Determination method, communication device, communication system, and storage medium
Patent Information
- Application Number
- PCT/CN2025/078148
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-08-27
Smart Images

Figure CN2025078148_27082026_PF_FP_ABST
Abstract
Description
Determine the method, communication equipment, communication system, and storage medium. Technical Field
[0001] This disclosure relates to the field of communication technology, and in particular to determination methods, communication devices, communication systems, and storage media. Background Technology
[0002] In communication systems, Integrated Sensing and Communication (ISAC) technology is a new technology used to perceive the features of the perceived object for applications such as drone detection, intrusion detection, intelligent transportation, and smart factories. Summary of the Invention
[0003] This disclosure proposes a method for determining communication equipment, a communication system, and a storage medium.
[0004] According to a first aspect of the present disclosure, a determination method is proposed, performed by a first device, comprising: receiving a sensing signal; determining a first reference signal received path power (RSRPP) of a sensing target, the first RSRPP being determined based on the channel response power of at least one first path in a first path set, the first path set being determined based on at least one second path, wherein the second path is used to transmit the sensing signal, and the second path includes a path passing through the sensing target.
[0005] According to a second aspect of the present disclosure, a determination method is provided, performed by a second device, the method comprising: determining a first report, the first report indicating a first reference signal received path power (RSRPP) or a second RSRPP of a sensed target, the first RSRPP being determined based on the channel response power of at least one first path in a first path set, the first path set being determined based on at least one second path, wherein the second path is used to transmit the sensed signal, the second path includes a path passing through the sensed target, and the second RSRPP is determined based on the first RSRPP.
[0006] According to a third aspect of the present disclosure, a first device is provided, comprising: a transceiver module for receiving a sensing signal; and a processing module for determining a first reference signal received path power (RSRPP) of a sensing target, the first RSRPP being determined based on the channel response power of at least one first path in a first path set, the first path set being determined based on at least one second path, wherein the second path is used to transmit the sensing signal, and the second path includes a path passing through the sensing target.
[0007] According to a fourth aspect of the present disclosure, a second device is provided, comprising: a processing module configured to determine a first report, the first report indicating a first reference signal received path power (RSRPP) or a second RSRPP for a sensed target, the first RSRPP being determined based on the channel response power of at least one first path in a first path set, the first path set being determined based on at least one second path, wherein the second path is used to transmit the sensed signal, the second path includes a path passing through the sensed target, and the second RSRPP is determined based on the first RSRPP.
[0008] According to a fifth aspect of the embodiments of this disclosure, a communication device is provided, comprising:
[0009] One or more processors;
[0010] The processor is configured to invoke instructions to cause the communication device to execute any of the determination methods described in the first or second aspect.
[0011] According to a sixth aspect of the present disclosure, a communication system is provided, including a first device and a second device, wherein the first device is configured to implement the determination method described in the first aspect, and the second device is configured to implement the determination method described in the second aspect.
[0012] According to a seventh aspect of the present disclosure, a storage medium is provided that stores instructions that, when executed on a communication device, cause the communication device to perform a determination method as described in any of the first to second aspects.
[0013] According to an eighth aspect of the present disclosure, the present disclosure provides a program product including a computer program that, when executed by a communication device, implements the determination method as described in any of the first to second aspects.
[0014] According to a ninth aspect of the present disclosure, the present disclosure provides a computer program that, when run on a computer, causes the computer to perform a determination method as described in any of the first to second aspects.
[0015] It is understood that the first device, the second device, the communication device, the communication system, the storage medium, the program product, and the computer program described above are all used to execute the methods proposed in the embodiments of this disclosure. Therefore, the beneficial effects that can be achieved can be referred to the beneficial effects in the corresponding methods, and will not be repeated here. Attached Figure Description
[0016] The above and / or additional aspects and advantages of this disclosure will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, in which:
[0017] Figure 1A is a schematic diagram of the architecture of the communication system provided in an embodiment of this disclosure;
[0018] Figures 1B-1D are schematic diagrams of sensing modes in the ISCA technology shown in the embodiments of this disclosure;
[0019] Figure 2A is an interactive schematic diagram of a determination method provided in an embodiment of this disclosure;
[0020] Figure 2B is a schematic diagram of a power spectrum in the time-delay-Doppler dimension according to an embodiment of the present disclosure;
[0021] Figure 3A is a flowchart illustrating the determination method provided in another embodiment of this disclosure;
[0022] Figure 3B is a flowchart illustrating the determination method provided in another embodiment of this disclosure;
[0023] Figure 4A is a schematic diagram of the structure of a first device provided in an embodiment of this disclosure;
[0024] Figure 4B is a schematic diagram of the structure of a second device provided in an embodiment of this disclosure;
[0025] Figure 5A is a schematic diagram of the structure of a communication device provided in an embodiment of this disclosure;
[0026] Figure 5B is a schematic diagram of the structure of a chip provided in an embodiment of this disclosure. Detailed Implementation
[0027] This disclosure provides a determination method, communication device, communication system, and storage medium.
[0028] In a first aspect, embodiments of this disclosure propose a determination method performed by a first device, the method comprising: receiving a sensing signal; determining a first reference signal received path power (RSRPP) of a sensing target, the first RSRPP being determined based on the channel response power of at least one first path in a first path set, the first path set being determined based on at least one second path, wherein the second path is used to transmit the sensing signal, and the second path includes a path passing through the sensing target.
[0029] In the above embodiments, when the first device receives a sensing signal, it determines a first RSRPP of the sensing target based on the channel response power of at least one first path in the first path set. The first path set is determined based on at least one second path, where the second path is used to transmit the sensing signal and includes paths passing through the sensing target. Therefore, the first RSRPP determined in this embodiment is based on the channel response power of paths passing through the sensing target. This first RSRPP accurately reflects the characteristics of the sensing target, ensuring the accuracy of the sensing results and improving sensing precision when subsequently determining the sensing results based on the first RSRPP.
[0030] In conjunction with some embodiments of the first aspect, in some embodiments, the second path is determined based on a first condition corresponding to the perceived target, the first condition including at least one of the following:
[0031] The delay value is within the first delay range;
[0032] The delay value is the first delay value;
[0033] Doppler values are within the first Doppler range;
[0034] The Doppler value is the first Doppler value;
[0035] The horizontal receiving angle (AOA) value is within the first AOA range;
[0036] The AOA value is the first AOA value;
[0037] The vertical receiving angle ZOA value is within the first ZOA range;
[0038] The ZOA value is the first ZOA value.
[0039] In conjunction with some embodiments of the first aspect, in some embodiments, different first conditions are used to determine second paths passing through different sensing targets, the second paths determined by different first conditions are used to determine first paths in different sets of first paths, and the channel response power of the first paths in different sets of first paths is used to determine different first RSRPPs.
[0040] In conjunction with some embodiments of the first aspect, in some embodiments, the first condition is used to determine a path that passes through the sensing target and whose channel response power is greater than a first threshold.
[0041] In conjunction with some embodiments of the first aspect, in some embodiments, the method further includes:
[0042] Determine the N paths in the first path set that include the at least one second path and have the highest channel response power, where N is a positive integer; or
[0043] The first set of paths is determined to include the second path.
[0044] In conjunction with some embodiments of the first aspect, in some embodiments, the method further includes:
[0045] A first region is determined from the power spectrum of the sensed signal, wherein the power spectrum includes at least one of the following dimensions: time delay dimension, Doppler dimension, AOA dimension, and ZOA dimension. The power spectrum is used to represent the channel response power of different dimensional paths of the sensed signal, wherein the path included in the first region is the second path.
[0046] Identify at least one power peak in the first region;
[0047] At least one second path set is determined from the first region based on at least one power peak, and different power peaks correspond to different second path sets. The second path set includes at least two paths from a third path and at least one fourth path. The third path is the path corresponding to the power peak, and the fourth path satisfies a second condition.
[0048] All paths in a second path set are identified as the first path, and the channel response power of the first path is the sum or average of the channel response powers of multiple paths in the second path set.
[0049] In conjunction with some embodiments of the first aspect, in some embodiments, the second condition includes at least one of the following:
[0050] The interval between the third path and the fourth path in the time delay dimension is less than the second time delay value;
[0051] The distance between the third path and the fourth path in the Doppler dimension is less than the second Doppler value;
[0052] The interval between the third path and the fourth path in the AOA dimension is smaller than the second AOA value;
[0053] The interval between the third path and the fourth path in the ZOA dimension is smaller than the second ZOA value;
[0054] The absolute value of the difference between the channel response power of the third path and the channel response power of the fourth path is less than the second threshold.
[0055] The channel response power of the fourth path is greater than the third threshold.
[0056] In conjunction with some embodiments of the first aspect, in some embodiments, the first RSRPP includes at least one of the following:
[0057] Channel response power for all first paths;
[0058] The mean of the channel response power of all first paths;
[0059] The sum of the channel response power of all first paths;
[0060] The minimum channel response power of all first paths;
[0061] The maximum value among all channel response powers of the first path;
[0062] The power of the channel response power of all first paths that is not less than the first power threshold;
[0063] The average of the channel response powers of all first paths that are not less than the first power threshold;
[0064] The sum of the channel response powers of all first paths that are not less than the first power threshold;
[0065] The M largest powers among all the channel response powers of the first path;
[0066] The mean of the M largest power values among the channel response powers of all first paths;
[0067] The sum of the M largest power values among the channel response powers of all first paths; where M is a positive integer.
[0068] In the above embodiments, it is explained how the first device determines the first RSRPP based on the channel response power of at least one first path in the first path set, so that the first device can accurately determine the first RSRPP related to the characteristics of the sensing target, thereby ensuring the accuracy of the sensing result when determining the sensing result based on the first RSRPP and improving the sensing accuracy.
[0069] In conjunction with some embodiments of the first aspect, in some embodiments, the method further includes:
[0070] If the first RSRPP is greater than the fourth threshold, a first report is sent to the second device. The first report is used to indicate the first RSRPP or the second RSRPP, and the second RSRPP is determined based on the first RSRPP.
[0071] In conjunction with some embodiments of the first aspect, in some embodiments, sending the first report to the second device includes:
[0072] The sampling rate is not less than c times the bandwidth of the sensed signal. The second RSRPP is determined based on the first RSRPP, where the second RSRPP = a × first RSRPP + b. a and b are agreed upon by the protocol, and / or a and b are pre-configured to the first device. The sampling rate is the sampling rate used by the first device to determine the first RSRPP, and c is agreed upon by the protocol, and / or c is pre-configured to the first device.
[0073] A first report is sent to the second device, the first report indicating the second RSRPP; wherein, when the first report indicates the second RSRPP, the first report includes at least one of the following: the second RSRPP, the quantized value of the second RSRPP, or, the first report includes at least one of the following: the first RSRPP, the quantized value of the first RSRPP, the sampling rate, the ratio between the sampling rate and a first value; wherein, the first value is c times the bandwidth of the sensed signal.
[0074] In conjunction with some embodiments of the first aspect, in some embodiments, sending the first report to the second device includes:
[0075] If the sampling rate is less than c times the bandwidth of the sensed signal, a first report is sent to the second device. The first report is used to indicate the first RSRPP. When the first report indicates the first RSRPP, the first report includes at least one of the following: the first RSRPP, the quantized value of the first RSRPP.
[0076] In conjunction with some embodiments of the first aspect, in some embodiments, the method further includes:
[0077] If the sampling rate is less than c times the bandwidth of the sensed signal, no first report is sent. The sampling rate is the sampling rate used by the first device when determining the first RSRPP, and c is agreed upon by the protocol and / or c is pre-configured to the first device.
[0078] In conjunction with some embodiments of the first aspect, in some embodiments, when the bandwidths of different sensing signals are different, the sampling rates corresponding to the different sensing signals are the same; or
[0079] When different sensing signals have different bandwidths, the sampling rates corresponding to the different sensing signals are different; wherein, the second value corresponding to different sensing signals is the same, and the second value is: the ratio between the sampling rate corresponding to the sensing signal and the bandwidth of the sensing signal.
[0080] In conjunction with some embodiments of the first aspect, in some embodiments, when the first report includes the quantized value of the first RSRPP, the first report includes the quantized value of each first RSRPP; or, the first report includes: the quantized value of the largest first RSRPP among all first RSRPPs, and the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP; or, the first report includes: the quantized value of the largest first RSRPP and the quantized value of the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP.
[0081] When the first report includes the quantized value of the second RSRPP, the first report includes the quantized value of each second RSRPP; or, the first report includes: the quantized value of the largest second RSRPP among all second RSRPPs, and the difference between each second RSRPP other than the largest second RSRPP and the largest second RSRPP; or, the first report includes: the quantized value of the largest second RSRPP and the quantized value of the difference between each second RSRPP other than the largest second RSRPP and the largest second RSRPP.
[0082] In the above embodiments, when the first device reports the first report to the second device, it takes into account the sampling rate (i.e., the sampling rate used by the first device to determine the first RSRPP) to avoid the sampling rate being too high and affecting the reporting of the first report, thus ensuring the accuracy of the first report. Consequently, when the sensing result is subsequently determined based on the first report, the accuracy of the sensing result can be ensured. Furthermore, in the above embodiments, when the first device reports the first report to the second device, the first report may include the quantized value of the first RSRPP and / or the quantized value of the second RSRPP. The reporting resources required for the quantized value are far less than those required for the first and second RSRPPs, thereby significantly reducing reporting overhead and saving communication resources.
[0083] In conjunction with some embodiments of the first aspect, in some embodiments, when the first device receives the sensing signals sent by different first cells, the first report includes the first RSRPP or the second RSRPP corresponding to the sensing signal of the second cell;
[0084] The second cell includes at least one of the following:
[0085] Each first community;
[0086] The cell with the largest first RSRPP or second RSRPP in the first cell;
[0087] The first cell is a cell in which the first RSRPP or the second RSRPP is not less than the fifth threshold;
[0088] The top N1 cells with the largest first or second RSRPP in the first cell, where N1 is a positive integer.
[0089] In conjunction with some embodiments of the first aspect, in some embodiments, when the first device receives the sensing signals sent by different first terminals, the first report includes the first RSRPP or the second RSRPP corresponding to the sensing signal of the second terminal;
[0090] The second terminal includes at least one of the following:
[0091] Each first terminal;
[0092] The terminal with the largest first RSRPP or second RSRPP in the first terminal;
[0093] The first terminal is a terminal in which the first RSRPP or the second RSRPP is not less than the sixth threshold;
[0094] The top N2 terminals with the largest first or second RSRPP in the first terminal, where N2 is a positive integer.
[0095] In the above embodiments, when the first device receives multiple sensing signals, considering that the bandwidth and duration of different sensing signals may vary, resulting in significant differences in the measurement results, the first device can report the first RSRPP or second RSRPP of each sensing signal to ensure completeness and the accuracy of subsequent sensing result determination. Alternatively, the first device does not need to report the first report of all sensing signals to the second device, but only reports the first report of the sensing signal with the largest first RSRPP or second RSRPP, or only reports the first report of sensing signals with a first RSRPP or second RSRPP not less than a fifth or sixth threshold, or only reports the first reports of the first few sensing signals with the largest first RSRPP or second RSRPP. This reduces communication overhead. Furthermore, since the first device reports the first reports of sensing signals with larger first RSRPP or second RSRPP, the accuracy of the sensing results can also be ensured when determining the sensing results based on the first reports. Thus, while reducing communication overhead, sensing accuracy is also improved.
[0096] In conjunction with some embodiments of the first aspect, in some embodiments, the method further includes: receiving configuration information sent by a second device, the configuration information being used to configure at least one of the following: a first condition, a second condition, the resource location of the sensing signal, the bandwidth of the sensing signal, and the duration of the sensing signal.
[0097] In conjunction with some embodiments of the first aspect, in some embodiments, the configuration information is used to configure a first condition, including: the configuration information is used to configure at least one of the following: the start position of a first time delay range; the end position of a first time delay range; the number of time delay values within the first time delay range; a first time delay value; the start position of a first Doppler range; the end position of a first Doppler range; the number of Doppler values within the first Doppler range; a first Doppler value; the start position of a first AOA range; the end position of a first AOA range; the number of AOA values within the first AOA range; a first AOA value; the start position of a first ZOA range; the end position of a first ZOA range; the number of ZOA values within the first ZOA range; a first ZOA value.
[0098] In conjunction with some embodiments of the first aspect, in some embodiments, when the configuration information configures the number of delay values within the first delay range, the number of Doppler values within the first Doppler range, the number of AOA values within the first AOA range, and the number of ZOA values within the first ZOA range; the method further includes: determining the power peak value in the power spectrum of the sensed signal; the power spectrum has at least one of the following dimensions: delay dimension, Doppler dimension, AOA dimension, and ZOA dimension, and the power spectrum is used to represent the channel response power of different dimensional paths of the sensed signal; based on the power peak value, determining at least one of the following: the midpoint of the first delay range, the midpoint of the first Doppler range, the midpoint of the first AOA range, and the first ZOA The starting and ending positions of the first time delay range are determined based on the midpoint of the first time delay range and the number of time delay values within the first time delay range; the starting and ending positions of the first Doppler range are determined based on the midpoint of the first Doppler range and the number of Doppler values within the first Doppler range; the starting and ending positions of the first AOA range are determined based on the midpoint of the first AOA range and the number of AOA values within the first AOA range; the starting and ending positions of the first ZOA range are determined based on the midpoint of the first ZOA range and the number of ZOA values within the first ZOA range.
[0099] In conjunction with some embodiments of the first aspect, in some embodiments, the time-delay domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate; the Doppler domain granularity of the power spectrum of the sensed signal is determined based on at least one of the bandwidth of the sensed signal, the duration of the sensed signal, and the sampling rate; the AOA domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate; the ZOA domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate; wherein, the sampling rate is the sampling rate used by the first device when determining the first RSRPP.
[0100] In the above embodiments, the second device can send configuration information to the first device so that the first device can know the "parameters required to determine the first RSRPP" based on the configuration information. This makes it easier for the first device to accurately determine the first RSRPP, and when determining the sensing result based on the first RSRPP, the accuracy of the sensing result can be ensured, thus improving the sensing precision.
[0101] In conjunction with some embodiments of the first aspect, in some embodiments, the method further includes: sending capability information to the second device, the capability information being used to indicate at least one of the following: the highest sampling rate of the first device, the sampling rate supported by the first device, and the sampling rate supported by the first device within the bandwidth of the sensed signal; wherein the capability information is used by the second device to determine at least one of the following: the number of delay values within a first delay range, the number of Doppler values within a first Doppler range, the number of AOA values within a first AOA range, and the number of ZOA values within a first ZOA range.
[0102] In the above embodiments, the first device can send capability information to the second device so that the second device can determine the number of delay values within the first delay range, the number of Doppler values within the first Doppler range, the number of AOA values within the first AOA range, and the number of ZOA values within the first ZOA range based on the capability information, and further determine the first condition. Thus, the second device can configure the first condition to the first device based on the capability information, which ensures that the first condition is determined based on the capability information of the first device and guarantees the accuracy of the configuration of the first condition.
[0103] In conjunction with some embodiments of the first aspect, in some embodiments, the first device is a terminal or an access network device, and the second device is any one of an access network device, a core network device, or a sensing function SF network element.
[0104] In the above embodiments, it is explained which devices the first device and the second device can be, that is, it explains the applicable scenarios of the method of this disclosure, so that the method of this disclosure can be successfully applied to perceive the target in these scenarios.
[0105] Secondly, embodiments of this disclosure propose a determination method performed by a second device, the method comprising: determining a first report, the first report indicating a first reference signal received path power (RSRPP) or a second RSRPP of a sensed target, the first RSRPP being determined based on the channel response power of at least one first path in a first path set, the first path set being determined based on at least one second path, wherein the second path is used to transmit the sensed signal, the second path includes a path passing through the sensed target, and the second RSRPP is determined based on the first RSRPP.
[0106] In conjunction with some embodiments of the second aspect, in some embodiments, the second RSRPP = a × the first RSRPP + b; a and b are agreed upon by the protocol, and / or a and b are determined by the second device.
[0107] In conjunction with some embodiments of the second aspect, in some embodiments, the second path is determined based on a first condition corresponding to the perceived target, the first condition including at least one of the following:
[0108] The delay value is within the first delay range;
[0109] The delay value is the first delay value;
[0110] Doppler values are within the first Doppler range;
[0111] The Doppler value is the first Doppler value;
[0112] The horizontal receiving angle (AOA) value is within the first AOA range;
[0113] The AOA value is the first AOA value;
[0114] The vertical receiving angle ZOA value is within the first ZOA range;
[0115] The ZOA value is the first ZOA value.
[0116] In conjunction with some embodiments of the second aspect, in some embodiments, the first condition is used to determine a path that passes through the sensing target and whose channel response power is greater than a first threshold.
[0117] In conjunction with some embodiments of the second aspect, in some embodiments, the first path set includes the N paths with the highest channel response power among the at least one second path; or
[0118] The first set of paths includes the second path.
[0119] In conjunction with some embodiments of the second aspect, in some embodiments, the first path includes all paths in a second path set, and the channel response power of the first path is the sum or average of the channel response power of multiple paths in the second path set.
[0120] Wherein, the second path set includes at least two paths from the third path and at least one fourth path; the third path is the path corresponding to the power peak in the first region, the first region includes at least one power peak, different power peaks correspond to different second path sets, the first region is a region in the power spectrum of the sensed signal, the dimensions of the power spectrum include at least one of the following: time delay dimension, Doppler dimension, AOA dimension, ZOA dimension, the power spectrum is used to represent the channel response power of the sensed signal in different dimensional paths, the path included in the first region is the second path; and the fourth path satisfies the second condition.
[0121] In conjunction with some embodiments of the second aspect, in some embodiments, the second condition includes at least one of the following:
[0122] The interval between the third path and the fourth path in the time delay dimension is less than the second time delay value;
[0123] The distance between the third path and the fourth path in the Doppler dimension is less than the second Doppler value;
[0124] The interval between the third path and the fourth path in the AOA dimension is smaller than the second AOA value;
[0125] The interval between the third path and the fourth path in the ZOA dimension is smaller than the second ZOA value;
[0126] The absolute value of the difference between the channel response power of the third path and the channel response power of the fourth path is less than the second threshold.
[0127] The channel response power of the fourth path is greater than the third threshold.
[0128] In conjunction with some embodiments of the second aspect, in some embodiments, the first RSRPP includes at least one of the following:
[0129] Channel response power for all first paths;
[0130] The mean of the channel response power of all first paths;
[0131] The sum of the channel response power of all first paths;
[0132] The minimum channel response power of all first paths;
[0133] The maximum value among all channel response powers of the first path;
[0134] The power of the channel response power of all first paths that is not less than the first power threshold;
[0135] The average of the channel response powers of all first paths that are not less than the first power threshold;
[0136] The sum of the channel response powers of all first paths that are not less than the first power threshold;
[0137] The M largest powers among all the channel response powers of the first path;
[0138] The mean of the M largest power values among the channel response powers of all first paths;
[0139] The sum of the M largest power values among the channel response powers of all first paths; where M is a positive integer.
[0140] In conjunction with some embodiments of the second aspect, in some embodiments, determining the first report includes:
[0141] Receive the first report sent by the first device;
[0142] Wherein, when the first report indicates the second RSRPP, the first report includes at least one of the following: the second RSRPP, the quantized value of the second RSRPP; or, the first report includes at least one of the following: the first RSRPP, the quantized value of the first RSRPP, the sampling rate, the ratio between the sampling rate and the first value; or
[0143] When the first report indicates the first RSRPP, the first report includes at least one of the following: the first RSRPP, the quantized value of the first RSRPP;
[0144] Wherein, the sampling rate is the sampling rate used by the first device when determining the first RSRPP, the first value is c times the bandwidth of the sensed signal, c is agreed upon by the protocol, and / or c is determined by the second device.
[0145] In conjunction with some embodiments of the second aspect, in some embodiments, when the bandwidths of different sensing signals are different, the sampling rates corresponding to the different sensing signals are the same; or
[0146] When different sensing signals have different bandwidths, the sampling rates corresponding to the different sensing signals are different; wherein, the second value corresponding to different sensing signals is the same, and the second value is: the ratio between the sampling rate corresponding to the sensing signal and the bandwidth of the sensing signal.
[0147] In conjunction with some embodiments of the second aspect, in some embodiments, when the first report includes the quantized value of the first RSRPP, the first report includes the quantized value of each first RSRPP; or, the first report includes: the quantized value of the largest first RSRPP among all first RSRPPs, and the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP; or, the first report includes: the quantized value of the largest first RSRPP and the quantized value of the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP.
[0148] When the first report includes the quantized value of the second RSRPP, the first report includes the quantized value of each second RSRPP; or, the first report includes: the quantized value of the largest second RSRPP among all second RSRPPs, and the difference between each second RSRPP other than the largest second RSRPP and the largest second RSRPP; or, the first report includes: the quantized value of the largest second RSRPP and the quantized value of the difference between each second RSRPP other than the largest second RSRPP and the largest second RSRPP.
[0149] In conjunction with some embodiments of the second aspect, in some embodiments, the method further includes:
[0150] The first device is sent configuration information, which is used to configure at least one of the following: a first condition, a second condition, the resource location of the sensing signal, the bandwidth of the sensing signal, and the duration of the sensing signal.
[0151] In conjunction with some embodiments of the second aspect, in some embodiments, the configuration information is used to configure a first condition, including:
[0152] The configuration information is used to configure at least one of the following:
[0153] The starting position of the first time delay range;
[0154] The end position of the first time delay range;
[0155] The number of delay values within the first delay range;
[0156] First delay value;
[0157] The starting position of the first Doppler range;
[0158] The end position of the first Doppler range;
[0159] The number of Doppler values within the first Doppler range;
[0160] First Doppler value;
[0161] The starting position of the first AOA range;
[0162] The end position of the first AOA range;
[0163] The number of AOA values within the first AOA range;
[0164] First AOA value;
[0165] The starting position of the first ZOA range;
[0166] The end position of the first ZOA range;
[0167] The number of ZOA values within the first ZOA range;
[0168] First ZOA value.
[0169] In conjunction with some embodiments of the second aspect, in some embodiments, the time-delay domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate;
[0170] The Doppler domain granularity of the power spectrum of the sensed signal is determined based on at least one of the bandwidth of the sensed signal, the duration of the sensed signal, and the sampling rate.
[0171] The AOA domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate;
[0172] The ZOA domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate;
[0173] The power spectrum is used to represent the channel response power of the sensing signal in different dimensional paths, and the sampling rate is the sampling rate used by the first device to determine the first RSRPP.
[0174] In conjunction with some embodiments of the second aspect, in some embodiments, the method further includes:
[0175] The second device receives capability information sent by the first device, the capability information indicating at least one of the following: the highest sampling rate of the first device, the sampling rate supported by the first device, and the sampling rate supported by the first device within the bandwidth of the sensed signal; wherein the capability information is used by the second device to determine at least one of the following: the number of delay values within a first delay range, the number of Doppler values within a first Doppler range, the number of AOA values within a first AOA range, and the number of ZOA values within a first ZOA range.
[0176] In conjunction with some embodiments of the second aspect, in some embodiments, the first device is a terminal or an access network device, and the second device is any one of an access network device, a core network device, or a sensing function SF network element.
[0177] Thirdly, embodiments of this disclosure provide a first device, comprising: a transceiver module for receiving a sensing signal; and a processing module for determining a first reference signal received path power (RSRPP) of a sensing target, wherein the first RSRPP is determined based on the channel response power of at least one first path in a first path set, the first path set being determined based on at least one second path, wherein the second path is used to transmit the sensing signal, and the second path includes a path passing through the sensing target.
[0178] Fourthly, embodiments of this disclosure provide a second device, comprising: a processing module configured to determine a first report, the first report indicating a first reference signal received path power (RSRPP) or a second RSRPP for a sensed target, the first RSRPP being determined based on the channel response power of at least one first path in a first path set, the first path set being determined based on at least one second path, wherein the second path is used to transmit the sensed signal, the second path includes a path passing through the sensed target, and the second RSRPP is determined based on the first RSRPP.
[0179] Fifthly, embodiments of this disclosure provide a communication device, which includes: one or more processors; one or more memories for storing instructions; wherein the processors are used to invoke the instructions to cause the communication device to perform the methods described in the first aspect, the optional implementation of the first aspect, the second aspect, and the optional implementation of the second aspect.
[0180] In a sixth aspect, embodiments of this disclosure provide a communication system comprising: a first device and a second device; wherein the first device is configured to perform the method described in the first aspect and optional implementations thereof, and the second device is configured to perform the method described in the second aspect and optional implementations thereof.
[0181] In a seventh aspect, embodiments of this disclosure provide a storage medium storing instructions that, when executed on a communication device, cause the communication device to perform the method described in the first aspect, an optional implementation of the first aspect, the second aspect, and an optional implementation of the second aspect.
[0182] Eighthly, embodiments of this disclosure provide a program product including a computer program that, when executed by a processor, implements the methods described in the first aspect, optional implementations of the first aspect, the second aspect, and optional implementations of the second aspect.
[0183] In a ninth aspect, embodiments of this disclosure provide a computer program that, when run on a computer, causes the computer to perform the methods described in the first aspect, an optional implementation of the first aspect, the second aspect, and an optional implementation of the second aspect.
[0184] It is understood that the first device, the second device, the communication device, the communication system, the storage medium, the program product, and the computer program described above are all used to execute the methods proposed in the embodiments of this disclosure. Therefore, the beneficial effects that can be achieved can be referred to the beneficial effects in the corresponding methods, and will not be repeated here.
[0185] This disclosure provides methods for determining resources, communication devices, communication systems, and storage media. In some embodiments, the terms resource selection method, information processing method, and communication method can be used interchangeably.
[0186] This disclosure is not exhaustive, but merely illustrative of some embodiments, and is not intended to limit the scope of protection of this disclosure. Unless otherwise specified, each step in a particular embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined. For example, a solution after removing some steps in a particular embodiment can also be implemented as an independent embodiment, and the order of the steps in a particular embodiment can be arbitrarily interchanged. Furthermore, the optional implementation methods in a particular embodiment can be arbitrarily combined; moreover, the embodiments can be arbitrarily combined, for example, some or all steps of different embodiments can be arbitrarily combined, and a particular embodiment can be arbitrarily combined with the optional implementation methods of other embodiments. In all embodiments of this disclosure, unless otherwise specified or logically conflicting, the terminology and / or descriptions between the embodiments are consistent and can be mutually referenced. Technical features in different embodiments can be combined to form new embodiments based on their inherent logical relationships.
[0187] The terminology used in the embodiments of this disclosure is for the purpose of describing particular embodiments only and is not intended to limit the scope of this disclosure.
[0188] In this embodiment of the disclosure, unless otherwise stated, elements expressed in the singular form, such as "a," "an," "the," "the," "the," "the," "the," "the," "this," etc., can mean "one and only one," or "one or more," "at least one," etc. For example, when using articles such as "a," "an," "the," etc. in translation, the noun following the article can be understood as either a singular expression or a plural expression.
[0189] In the embodiments disclosed herein, "multiple" refers to two or more.
[0190] In some embodiments, the terms “at least one of A or B, at least one of A and B”, “one or more”, “a plurality of”, “multiple”, etc., may be used interchangeably.
[0191] In some embodiments, the notation "at least one of A and B", "A and / or B", "A in one case, B in another", "in response to one case A, in response to another case B", etc., may include the following technical solutions depending on the situation: in some embodiments, A (execute A regardless of whether there is a branch B); in some embodiments, B (execute B regardless of whether there is a branch A); in some embodiments, execution is selected from A and B (A and B are selectively executed); in some embodiments, both A and B are executed. The same applies when there are more branches such as A, B, C, etc.
[0192] In some embodiments, the notation "A or B" may include the following technical solutions, depending on the situation: in some embodiments, A (execute A regardless of whether a branch B exists); in some embodiments, B (execute B regardless of whether a branch A exists); in some embodiments, execution is selected from A and B (A and B are selectively executed). The same applies when there are more branches such as A, B, and C.
[0193] The prefixes "first," "second," etc., used in the embodiments of this disclosure are merely for distinguishing different descriptive objects and do not impose restrictions on the position, order, priority, quantity, or content of the descriptive objects. The description of the descriptive objects is found in the claims or the context of the embodiments, and the use of prefixes should not constitute unnecessary restrictions. For example, if the descriptive object is a "field," the ordinal numbers preceding "field" in "first field" and "second field" do not restrict the position or order of the "fields." "First" and "second" do not restrict whether the "fields" they modify are in the same message, nor do they restrict the order of "first field" and "second field." Similarly, if the descriptive object is a "level," the ordinal numbers preceding "level" in "first level" and "second level" do not restrict the priority between "levels." Furthermore, the number of descriptive objects is not limited by ordinal numbers and can be one or more. For example, in "first device," the number of "devices" can be one or more. Furthermore, the objects modified by different prefixes can be the same or different. For example, if the object being described is "device", then "first device" and "second device" can be the same device or different devices, and their types can be the same or different. Similarly, if the object being described is "information", then "first information" and "second information" can be the same information or different information, and their content can be the same or different.
[0194] In some embodiments, “including A,” “containing A,” “for indicating A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.
[0195] In some embodiments, terms such as "time / frequency" and "time-frequency domain" refer to the time domain and / or frequency domain.
[0196] In some embodiments, terms such as “in response to…”, “in response to determining…”, “in the case of…”, “when…”, “when…”, “if…”, etc. can be used interchangeably. These descriptions all refer to the device making a corresponding action under certain objective circumstances. They do not necessarily limit the time, nor do they require the device to make a judgment action when implementing it, nor do they mean that there must be other limitations.
[0197] In some embodiments, the terms “greater than,” “greater than or equal to,” “not less than,” “more than,” “more than or equal to,” “not less than,” “higher than,” “higher than or equal to,” “not lower than,” and “above” can be used interchangeably, as can the terms “less than,” “less than or equal to,” “not greater than,” “less than,” “less than or equal to,” “not more than,” “lower than,” “lower than or equal to,” “not higher than,” and “below”.
[0198] In some embodiments, devices, etc., may be interpreted as physical or virtual, and their names are not limited to those described in the embodiments. Terms such as “device,” “equipment,” “circuit,” “network element,” “network function,” “network device,” “function,” “node,” “unit,” “section,” “system,” “network,” “chip,” “chip system,” “entity,” and “subject” are interchangeable.
[0199] In some embodiments, "network" can be interpreted as devices included in a network (e.g., access network devices, core network devices, etc.).
[0200] In some embodiments, the terms "access network device (AN device)," "radio access network device (RAN device)," "base station (BS)," "radio base station," "fixed station," "node," "access point," "transmission point (TP)," "reception point (RP)," "transmission / reception point (TRP)," "panel," "antenna panel," "antenna array," "cell," "macro cell," "small cell," "femto cell," "pico cell," "sector," "cell group," "serving cell," "carrier," "component carrier," and "bandwidth part (BWP)" can be used interchangeably.
[0201] In some embodiments, the terms "terminal", "terminal device", "user equipment (UE)", "user terminal", "mobile station (MS)", "mobile terminal (MT)", "subscriber station", "mobile unit", "subscriber unit", "wireless unit", "remote unit", "mobile device", "wireless device", "wireless communication device", "remote device", "mobile subscriber station", "access terminal", "mobile terminal", "wireless terminal", "remote terminal", "handset", "user agent", "mobile client", and "client" can be used interchangeably.
[0202] In some embodiments, access network devices, core network devices, or network devices can be replaced by terminals. For example, embodiments of this disclosure can also be applied to structures where communication between access network devices, core network devices, or network devices and terminals is replaced by communication between multiple terminals (e.g., device-to-device (D2D), vehicle-to-everything (V2X), etc.). In this case, the structure can also be configured such that the terminal has all or part of the functions of the access network device. Furthermore, terms such as "uplink" and "downlink" can be replaced with terms corresponding to communication between terminals (e.g., "sidelink"). For example, uplink channel, downlink channel, etc., can be replaced with sidelink channel, and uplink link, downlink, etc., can be replaced with sidelink link.
[0203] In some embodiments, the terminal may be replaced by an access network device, a core network device, or a network device. In this case, the access network device, core network device, or network device may also be configured to have all or some of the functions of the terminal.
[0204] In some embodiments, the acquisition of data, information, etc., may comply with the laws and regulations of the country where the location is situated.
[0205] In some embodiments, data, information, etc., may be obtained with the user's consent.
[0206] Furthermore, each element, each row, or each column in the table of this disclosure can be implemented as an independent embodiment, and any combination of any element, any row, or any column can also be implemented as an independent embodiment.
[0207] Figure 1A is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure. As shown in Figure 1A, the communication system 100 may include at least one of a first device and a second device; optionally, the first device may be used to receive and measure sensing signals and send sensing signal measurement data to the second device, and the second device may determine the sensing result based on the sensing signal measurement data sent by the first device. The first device may include a terminal or an access network device, and the second device may be any of an access network device, a core network device, or a sensing function (SF) network element.
[0208] In some embodiments, the terminal includes, but is not limited to, at least one of the following: mobile phone, wearable device, Internet of Things device, car with communication function, smart car, tablet, computer with wireless transceiver function, virtual reality (VR) terminal device, augmented reality (AR) terminal device, wireless terminal device in industrial control, wireless terminal device in self-driving, wireless terminal device in remote medical surgery, wireless terminal device in smart grid, wireless terminal device in transportation safety, wireless terminal device in smart city, and wireless terminal device in smart home.
[0209] In some embodiments, the access network device is, for example, a node or device that connects a terminal to a wireless network. The access network device may include at least one of the following in a 5G communication system: evolved Node B (eNB), next-generation evolved Node B (ng-eNB), next-generation Node B (gNB), Node B (NB), Home Node B (HNB), Home evolved Node B (HeNB), radio backhaul device, radio network controller (RNC), base station controller (BSC), base transceiver station (BTS), base band unit (BBU), mobile switching center, base station in a 6G communication system, open RAN, cloud RAN, base station in other communication systems, and access node in a Wi-Fi system, but is not limited thereto.
[0210] In some embodiments, the technical solutions of this disclosure can be applied to the Open RAN architecture. In this case, the interfaces between or within access network devices involved in the embodiments of this disclosure can be transformed into internal interfaces of Open RAN. The processes and information interactions between these internal interfaces can be implemented by software or programs.
[0211] In some embodiments, the access network device may be composed of a central unit (CU) and a distributed unit (DU). The CU may also be called a control unit. The CU-DU structure can separate the protocol layer of the access network device. Some protocol layer functions are centrally controlled by the CU, while the remaining part or all protocol layer functions are distributed in the DU and centrally controlled by the CU. However, this is not the only possibility.
[0212] In some embodiments, a core network device may be a single device comprising one or more network elements, or it may be multiple devices or a group of devices, each comprising all or part of the aforementioned one or more network elements. Network elements may be virtual or physical. The core network may include, for example, at least one of the following: Evolved Packet Core (EPC), 5G Core Network (5GCN), and Next Generation Core (NGC).
[0213] It is understood that the communication system described in this disclosure is for the purpose of more clearly illustrating the technical solutions of this disclosure, and does not constitute a limitation on the technical solutions proposed in this disclosure. As those skilled in the art will know, with the evolution of system architecture and the emergence of new business scenarios, the technical solutions proposed in this disclosure are also applicable to similar technical problems.
[0214] The following embodiments of this disclosure can be applied to the communication system 100 shown in FIG1A, or to some of the main bodies, but are not limited thereto. The main bodies shown in FIG1A are illustrative. The communication system may include all or some of the main bodies in FIG1A, or it may include other main bodies outside of FIG1A. The number and form of each main body are arbitrary. The connection relationship between the main bodies is illustrative. The main bodies may not be connected or may be connected. The connection can be in any way, it can be a direct connection or an indirect connection, it can be a wired connection or a wireless connection.
[0215] The embodiments disclosed herein can be applied to Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, 4th Generation mobile communication system (4G), 5th Generation mobile communication system (5G), 5G New Radio (NR), Future Radio Access (FRA), New-Radio Access Technology (RAT), New Radio (NR), New Radio Access (NX), Future Generation Radio Access (FX), Global System for Mobile communications (GSM), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), and IEEE 802.20, Ultra-Wideband (UWB), Bluetooth (a registered trademark), Public Land Mobile Network (PLMN) networks, Device-to-Device (D2D) systems, Machine-to-Machine (M2M) systems, Internet of Things (IoT) systems, Vehicle-to-Everything (V2X) systems, systems utilizing other resource selection methods, and next-generation systems built upon them, etc. Furthermore, multiple systems can be combined (e.g., a combination of LTE or LTE-A with 5G).
[0216] In the ISAC system, the sensing signal transmitter sends a sensing signal, which is then received by the sensing signal receiver after being reflected, refracted, or scattered by the sensing target. The sensing signal receiver measures the sensing signal to perceive the sensing target. For example, the sensing signal receiver can determine the speed, angle, distance, etc. of the sensing target based on the measurement data of the sensing signal. The sensing target can include people, vehicles, terminals, etc.
[0217] Optionally, Figures 1B-1D are schematic diagrams of sensing modes in the ISCA technology shown in embodiments of this disclosure. As shown in Figure 1B, the ISCA technology may include the following sensing modes:
[0218] Base station A transmits and base station B receives (i.e., TRP-TRP bistatic): Base station A transmits a sensing signal, which is then reflected, refracted, or scattered by the sensing target and received by base station B, which measures the sensing signal.
[0219] Base station monostatic transmission and reception (TRP): Base station A transmits a sensing signal, which is then received by base station A after being reflected, refracted, or scattered by the sensing target. Base station A then measures the sensing signal.
[0220] Base station transmits to terminal receive (i.e., TRP-UE bistatic): The base station transmits sensing signals, which are then reflected, refracted, or scattered by the sensing target and received by the terminal, which then measures the sensing signals.
[0221] Terminal transmits to base station (i.e., UE-TRP bistatic): The terminal sends a sensing signal, which is then reflected, refracted, or scattered by the sensing target and received by the base station, which measures the sensing signal.
[0222] Terminal A transmits and Terminal B receives (i.e., UE-UE bistatic): Terminal A sends a sensing signal, which is then reflected, refracted, or scattered by the sensing target and received by Terminal B. Terminal B then measures the sensing signal.
[0223] Terminal monostatic (i.e., UE monostatic): Terminal A sends a sensing signal, which is then received by Terminal A after being reflected, refracted, or scattered by the sensing target. Terminal A then measures the sensing signal.
[0224] Optionally, in an ISAC system, when measuring a sensed signal, the sensing signal receiver typically needs to measure the Reference Signal Received Path Power (RSRPP) of the sensed signal. Furthermore, the sensing signal receiver can also report the RSRPP of the sensed signal to a sensing result determination device, so that the sensing result determination device can determine the sensing result based on the RSRPP of the sensed signal. For example, the sensing result determination device may include at least one of the following: a base station, a Transmission Reception Point (TRP), or a Sensing function (SF) network element.
[0225] However, the current ISAC system has the following problems:
[0226] 1. The determination of RSRPP does not take into account the characteristics of the sensing target, which may make the measured RSRPP irrelevant to the sensing target, potentially leading to inaccurate sensing results;
[0227] 2. The impact of sampling rate on RSRPP was not considered, which affected the accuracy of the final sensing results;
[0228] 3. When the sensing signal receiver receives sensing signals from multiple sensing signal transmitters, the overhead of reporting all sensing signals via RSRPP is relatively large.
[0229] Figure 2A is an interactive schematic diagram illustrating a determination method according to an embodiment of the present disclosure. As shown in Figure 2A, this embodiment of the disclosure relates to a determination method for a communication system 100; the method includes:
[0230] Step 2101: The second device sends configuration information to the first device.
[0231] Optionally, the first device can be a sensing signal receiver, used to receive and measure sensing signals. The first device can be a terminal or an access network device. Optionally, the second device can be used to determine the sensing result. For example, the second device can receive sensing signal measurement data sent by the first device and determine the sensing result based on the sensing signal measurement data. Optionally, the second device can be any of an access network device, a core network device, or a sensing function (SF) network element. In some embodiments, the first device can be a terminal, and the second device can be an access network device, an SF network element, or a core network device. For example, the first device can be access network device A, and the second device can be access network device B, an SF network element, or a core network device. Optionally, the aforementioned access network device can be, for example, a base station or a Transmission Reception Point (TRP).
[0232] Optionally, the above configuration information can be used to configure at least one of the following: a first condition, a second condition, the resource location of the sensing signal (e.g., time-frequency domain location), the bandwidth of the sensing signal, and the duration of the sensing signal.
[0233] Optionally, the first condition described above can be used to determine at least one second path. Optionally, the second path can be used to transmit the sensing signal, and the second path may include a path passing through the sensing target. In some embodiments, the "path" here can be understood, for example, as a grid point in the power spectrum of the sensing signal. Optionally, after the sensing signal receiver (i.e., the first device) receives the sensing signal, it can measure and process the sensing signal to obtain a power spectrum of the sensing signal. This power spectrum can be a coordinate graph, and the dimensions of the power spectrum can include at least one of the following: delay dimension, Doppler dimension, horizontal angle of arrival (AOA) dimension, and vertical angle of arrival (ZOA) dimension. A grid point in this power spectrum represents a path of the sensing signal, and the power spectrum is used to represent the channel response power of the sensing signal along different dimensional paths. For example, Figure 2B is a schematic diagram of a power spectrum in the time-delay-Doppler dimension according to an embodiment of the present disclosure. As shown in Figure 2B, the vertical axis represents the time delay dimension, with one grid representing 7 ns (nanoseconds), and the horizontal axis represents the Doppler dimension, with one grid representing 1 Hz (hertz). One grid point shown in Figure 2B can represent a path of the sensed signal, and the power spectrum shown in Figure 2B can be used to represent the channel response power of different paths in the time-delay-Doppler dimension.
[0234] Optionally, the channel response mentioned above refers to the changes that occur to the signal after it passes through the channel. It may include information about changes in amplitude, phase, frequency, etc. The channel response power mentioned above can be used to measure the impact of the channel on the signal power; it represents the power distribution of the signal at various frequency points or specific frequency bands after transmission through the channel. For example, more specifically, it describes the attenuation or gain characteristics of the channel on the input signal power at different frequencies.
[0235] Optionally, in some embodiments, the aforementioned "path through the sensing target" can be understood, for example, as the path in the power spectrum corresponding to the signal reflected, scattered, or refracted by the sensing target in the sensing signal after measurement and processing.
[0236] Optionally, in some embodiments, the sensing signal has a certain bandwidth. When the sensing signal is transmitted, a portion of the bandwidth may be reflected, refracted, or scattered by the sensing target, while other portions of the bandwidth may not be reflected, refracted, or scattered by the sensing target. Therefore, the signal "reflected, refracted, or scattered by the sensing target" can be called the signal that has passed through the sensing target, and the signal "not reflected, refracted, or scattered by the sensing target" can be called the signal that has not passed through the sensing target. Optionally, the path corresponding to the signal that has passed through the sensing target in the power spectrum after measurement and processing can be called, for example, the "path corresponding to the signal that has not passed through the sensing target in the power spectrum," and the path corresponding to the signal that has not passed through the sensing target in the power spectrum can be called, for example, the "path that has not passed through the sensing target." In some embodiments, the channel response power of the path that has passed through the sensing target is greater than the channel response power of the path that has not passed through the sensing target.
[0237] In some embodiments, the channel response power of different paths will vary when they pass through different parts of the sensing target. For example, the channel response power of a path passing through the edge of the sensing target will be less than that of a path passing through the center of the sensing target. Optionally, in some embodiments, at least one second path determined by the first condition may include, for example, a path that passes through the sensing target and has a channel response power greater than a first threshold. For example, at least one second path determined by the first condition may include a path passing through the center of the sensing target. Optionally, a path that does not meet the first condition may not pass through the sensing target, or a path that does not meet the first condition may pass through the sensing target but with lower power. For example, a path that does not meet the first condition may include a path passing through the edge of the sensing target.
[0238] In some embodiments, the first condition may include at least one of the following:
[0239] The delay value is within the first delay range;
[0240] The delay value is the first delay value;
[0241] Doppler values are within the first Doppler range;
[0242] The Doppler value is the first Doppler value;
[0243] AOA value is within the first AOA range;
[0244] The AOA value is the first AOA value;
[0245] The ZOA value is within the first ZOA range;
[0246] The ZOA value is the first ZOA value.
[0247] Optionally, different first conditions can be used to determine paths passing through different sensing targets, wherein at least one of the following is different between different first conditions: time delay range, time delay value, Doppler range, Doppler value, AOA range, AOA value, ZOA range, and ZOA value.
[0248] Optionally, the method for configuring the first condition using configuration information may include, for example, configuring at least one of the following: the start position of the first time delay range (e.g., the time delay index of the start position of the first time delay range), the end position of the first time delay range (e.g., the time delay index of the end position of the first time delay range), the number of time delay values in the first time delay range, the first time delay value, the start position of the first Doppler range (e.g., the Doppler index of the start position of the first Doppler range), the end position of the first Doppler range (e.g., the Doppler index of the end position of the first Doppler range), and the first Doppler range. The number of Doppler values within the range, the first Doppler value, the starting position of the first AOA range (e.g., the AOA index of the starting position of the first AOA range), the ending position of the first AOA range (e.g., the AOA index of the ending position of the first AOA range), the number of AOA values within the first AOA range, the first AOA value, the starting position of the first ZOA range (e.g., the ZOA index of the starting position of the first ZOA range), the ending position of the first ZOA range (e.g., the ZOA index of the ending position of the first ZOA range), the number of ZOA values within the first ZOA range, and the first ZOA value.
[0249] Optionally, paths with a delay value less than 0 within the first delay range can be ignored.
[0250] Optionally, at least one of the aforementioned "number of delay values within the first delay range, number of Doppler values within the first Doppler range, number of AOA values within the first AOA range, and number of ZOA values within the first ZOA range" can be determined by the second device based on the capability information reported by the first device. This capability information can be used to indicate at least one of the following: the highest sampling rate of the first device, the sampling rate supported by the first device, and the sampling rate supported by the first device within the bandwidth of the sensed signal. Optionally, the number of second paths determined by at least one of the aforementioned "number of delay values within the first delay range, number of Doppler values within the first Doppler range, number of AOA values within the first AOA range, and number of ZOA values within the first ZOA range" can be less than or equal to at least one of the following: the highest sampling rate of the first device, the sampling rate supported by the first device, and the sampling rate supported by the first device within the bandwidth of the sensed signal.
[0251] Optionally, the aforementioned "second condition" can be used to determine multiple fourth paths in combination with the third path. In some embodiments, the third path can be: the path corresponding to the power peak in the power spectrum. Optionally, the power peak in the power spectrum can be determined by the first device based on a peak search algorithm. The path corresponding to the power peak can be understood as: the path with the highest power passing through the sensing target. Optionally, the power spectrum can include at least one power peak. The paths corresponding to different power peaks can be understood as: the paths with the highest power passing through different sensing targets. That is, the power spectrum can include at least one third path, and the first device can determine multiple fourth paths corresponding to each third path based on the second condition. The fourth path satisfies the second condition. Optionally, the second condition may include at least one of the following: the interval between the third and fourth paths in the time delay dimension is less than the second time delay value; the interval between the third and fourth paths in the Doppler dimension is less than the second Doppler value; the interval between the third and fourth paths in the AOA dimension is less than the second AOA value; the interval between the third and fourth paths in the ZOA dimension is less than the second ZOA value; the absolute value of the difference between the channel response power of the third path and the channel response power of the fourth path is less than the second threshold; the channel response power of the fourth path is greater than the third threshold (e.g., the fourth path is: at least one of the second paths whose channel response power is greater than the third threshold). Optionally, multiple fourth paths corresponding to different third paths may satisfy different second conditions, and at least one of the second time delay value, second Doppler value, second AOA value, second ZOA value, second threshold, and third threshold is different between different second conditions.
[0252] In some embodiments, when the second condition includes at least one of "the interval between the third path and the fourth path in the time delay dimension is less than the second time delay value, the interval between the third path and the fourth path in the Doppler dimension is less than the second Doppler value, the interval between the third path and the fourth path in the AOA dimension is less than the second AOA value, and the interval between the third path and the fourth path in the ZOA dimension is less than the second ZOA value", then the multiple fourth paths that satisfy the second condition can be understood, for example, as paths surrounding the third path.
[0253] In some embodiments, the plurality of fourth paths may be a subset of at least one second path, or some of the plurality of fourth paths may overlap with some of the at least one second path. The fourth path may be used by the first device to determine the first reference signal received path power (RSRPP) of the sensed signal, which may be used to determine the sensing result of the sensed target; this is described in subsequent step 2102.
[0254] Optionally, when configuring at least one of "first condition, second condition, resource location of sensing signal, bandwidth of sensing signal, duration of sensing signal" in the above configuration information, higher-level parameters can be included in the configuration information, and at least one of "first condition, second condition, resource location of sensing signal, bandwidth of sensing signal, duration of sensing signal" can be configured using the higher-level parameters. In this case, it can be considered that "first condition, second condition, resource location of sensing signal, bandwidth of sensing signal, duration of sensing signal" are configured by the higher level.
[0255] In some embodiments, the aforementioned "first condition, second condition, resource location of sensing signal, bandwidth of sensing signal, duration of sensing signal" can also be agreed upon by the protocol. In this case, step 2101 can be omitted.
[0256] Step 2102: The first device determines the first RSRPP of the sensing target based on the received sensing signal.
[0257] Optionally, the transmission mode of the sensing signal can be referred to the description preceding the embodiment of FIG2A.
[0258] Optionally, the first device can determine at least one first RSRPP based on a sensing signal. In some embodiments, the first RSRPP can be determined based on the channel response power of at least one first path in the first path set of the sensing signal. Optionally, the first path set can be determined based on at least one second path. For example, the first device can determine the first path in the first path set based on at least one second path on the frequency domain resource (e.g., resource element, RE) where the sensing signal is located. Optionally, different first conditions are used to determine second paths passing through different sensing targets, and the second paths determined by different first conditions are used to determine the first paths in different first path sets. The channel response power of the first paths in different first path sets is used to determine different first RSRPPs. That is, different first RSRPPs are determined based on the channel response power of different second paths in the sensing signal passing through different sensing targets. Optionally, the first device can also determine the first RSRPPs corresponding to different sensing signals, and the first conditions satisfied by the second paths corresponding to the first RSRPPs of different sensing signals are different. For a detailed description of "second path, first condition", please refer to the description in step 2101 above.
[0259] Optionally, when determining the first RSRPP, the first device may include the following steps:
[0260] Step 21021: The first device determines the first condition.
[0261] In some embodiments, the first device may determine the first condition based on configuration information sent by the second device. For example, the first device may determine the first delay range based on at least two of the start position, end position, and number of delay values within the first delay range configured in the configuration information; determine the first Doppler range based on at least two of the start position, end position, and number of Doppler values within the first Doppler range configured in the configuration information; determine the first AOA range based on at least two of the start position, end position, and number of AOA values within the first AOA range configured in the configuration information; and determine the first ZOA range based on at least two of the start position, end position, and number of ZOA values within the first ZOA range configured in the configuration information.
[0262] Optionally, in some embodiments, when the configuration information only configures the number of delay values within the first delay range, the number of Doppler values within the first Doppler range, the number of AOA values within the first AOA range, and the number of ZOA values within the first ZOA range; when the first device determines the first delay range, the first Doppler range, the first AOA range, and the first ZOA range in the first condition, it can first determine the power peak value (e.g., the maximum power peak value) in the power spectrum of the sensed signal. A detailed description of the power peak value can be found in step 2101 above; and the first device... At least one of the following can be determined based on the power peak: the midpoint of a first time delay range, the midpoint of a first Doppler range, the midpoint of a first AOA range, and the midpoint of a first ZOA range; for example, the first device can determine the time delay value of the path where the maximum power peak is located as the midpoint of the first time delay range, the Doppler value of the path where the maximum power peak is located as the midpoint of the first Doppler range, the AOA value of the path where the maximum power peak is located as the midpoint of the first AOA range, and the ZOA value of the path where the maximum power peak is located as the midpoint of the first ZOA range. Subsequently, the first device can determine the start position and end position of the first time delay range based on the midpoint of the first time delay range and the number of time delay values within the first time delay range; determine the start position and end position of the first Doppler range based on the midpoint of the first Doppler range and the number of Doppler values within the first Doppler range; determine the start position and end position of the first AOA range based on the midpoint of the first AOA range and the number of AOA values within the first AOA range; and determine the start position and end position of the first ZOA range based on the midpoint of the first ZOA range and the number of ZOA values within the first ZOA range. Similarly, in step 2101 above, when the second device configures the first condition to the first device using configuration information, the second device can also use a similar method to first determine the midpoint of the first time delay range, the midpoint of the first Doppler range, the midpoint of the first AOA range, and the midpoint of the first ZOA range based on the power spectrum of the sensed signal. Then, the second device determines (e.g., based on the capability information in step 2101 above) the "number of time delay values in the first time delay range, the number of Doppler values in the first Doppler range, the number of AOA values in the first AOA range, and the number of ZOA values in the first ZOA range," thereby further determining the first condition, and configuring the first condition to the first device through configuration information. Optionally, the aforementioned "power spectrum of the sensed signal" can be sent from the first device to the second device.
[0263] Step 21022: The first device determines at least one second path based on the first condition, and determines a first path set based on the at least one second path.
[0264] Optionally, in some embodiments, the number of second paths determined by the first condition will also differ when the content of the first condition is different. Optionally, the content included in the first condition can take several forms.
[0265] Form 1: The first condition is to determine the first path using at least one of the time delay range, Doppler range, AOA range, and ZOA range.
[0266] For example, the first condition may include at least one of the following:
[0267] The delay value of the first path is within the first delay range;
[0268] The Doppler value of the first path is within the first Doppler range;
[0269] The horizontal reception angle (AOA) value of the first path is within the first AOA range;
[0270] The vertical reception angle ZOA value of the first path is within the first ZOA range.
[0271] Form 2: The first condition is to determine the first path using at least one of the specific time delay value, Doppler value, AOA value, and ZOA value.
[0272] For example, the first condition may include at least one of the following:
[0273] The delay value of the first path is the first delay value;
[0274] The Doppler value of the first path is the first Doppler value;
[0275] The AOA value of the first path is the first AOA value;
[0276] The ZOA value of the first path is the first ZOA value.
[0277] Form 3: The first condition is to determine the first path using at least one of the specific time delay value, Doppler value, AOA value, ZOA value, and at least one of the time delay range, Doppler range, AOA range, and ZOA range.
[0278] For example, the first condition may include at least one of the following:
[0279] The delay value of the first path is within the first delay range;
[0280] The Doppler value of the first path is within the first Doppler range;
[0281] The AOA value of the first path is the first AOA value;
[0282] The ZOA value of the first path is the first ZOA value.
[0283] Optionally, when the first condition includes the content of form 1 or form 3 above, the first condition can be used to determine multiple second paths, including paths passing through the sensing target. In this case, the first condition can be understood as determining the position range of the "path passing through the sensing target" in the power spectrum. Paths within this position range are all second paths. The first device can determine the path passing through the sensing target from this position range. This situation can be used for initial sensing of the sensing target and / or continuous tracking of the sensing target. Optionally, initial sensing of the sensing target can be understood as, for example, the process of "initially sensing the sensing target through a sensing signal before the sensing target has been sensed." Continuous tracking of the sensing target can be understood as, for example, "continuing to track and sense the sensing target at different times after the sensing target has been sensed." Optionally, when the first condition includes the content of form 2 above, the first condition can be used to determine a second path. This situation can be used to achieve continuous tracking of the sensing target in scenarios where the sensing target is clearly defined.
[0284] Optionally, in some schemes, other conditions may be used instead of being limited to the first condition described above to determine at least one second path, and this scheme does not impose any restrictions on this.
[0285] In some embodiments, when the first device determines at least one second path, the first device can determine a first path set based on the at least one second path, the first path set including at least one first path. Optionally, the first device can use the following schemes to determine the first path set based on at least one second path:
[0286] Option 1: The first device determines that the first path set includes at least one of the N paths with the largest channel response power in the second path, where N is a positive integer.
[0287] For example, assuming the first conditions include: the delay value of the first path is within a first delay range (100-250ns), and the Doppler value of the first path is within a first Doppler range (1-15Hz), then the first device can determine the path with the highest channel response power within the first delay range (100-250ns) and the first Doppler range (1-15Hz) as the first path. In this case, the set of first paths includes one first path. Alternatively, the first device can determine the top three paths with the highest channel response power within the first delay range (100-250ns) and the first Doppler range (1-15Hz) as the first paths. In this case, the set of first paths includes three first paths.
[0288] Option 2: The first device determines that the second path is included in the first path set.
[0289] Optionally, the number of first paths in the first path set is less than or equal to the total number of second paths.
[0290] For example, some or all of the second paths can be identified as the first path in the first path set; that is, some or all of the second paths can be used to construct the first path set.
[0291] Option 3: Includes the following steps 21022a-21022d:
[0292] Step 21022a: The first device determines the first region from the power spectrum of the sensed signal.
[0293] Optionally, the first device may determine the first region based on the second path, wherein the paths included in the first region are the second paths; that is, the first region may be the region formed by the second paths. For example, the time delay range of the first region may be the first time delay range in the first condition, the Doppler range of the first region may be the first Doppler range in the first condition, the AOA range of the first region may be the first AOA range in the first condition, and the DOA range of the first region may be the first DOA range in the first condition.
[0294] Step 21022b: The first device determines at least one power peak in the first region.
[0295] Optionally, the path corresponding to the power peak can be the path with the highest power passing through the sensing target. The paths corresponding to different power peaks can be the paths with the highest power passing through different sensing targets. For a detailed introduction to "power peak", please refer to the description in step 2101 above.
[0296] Step 21022c: The first device determines at least one second path set from the first region based on at least one power peak.
[0297] Optionally, different third paths can be determined first based on different power peaks. For example, paths corresponding to different power peaks can be determined as different third paths. Then, at least one fourth path corresponding to each third path is determined based on the second condition, wherein the fourth path satisfies the second condition. For an introduction to the second condition, please refer to the description of step 2101 above. At least two of the third path and at least one fourth path can constitute a second path set. Optionally, the third path corresponding to each power peak and the at least one fourth path corresponding to each third path corresponding to each power peak can each constitute a second path set. The number of second path sets is the same as the number of power peaks in the first region. Different power peaks can correspond to different second path sets, and different second path sets may or may not overlap.
[0298] Assume the first region corresponds to the time delay range (100-250ns) and Doppler range (1-15Hz) shown in Figure 2B. Within this first region are two power peaks, power peak #1 and power peak #2, where power peak #1 is greater than power peak #2. The time delay of power peak #1 is 225ns and its Doppler value is 10Hz, while the time delay of power peak #2 is 145ns and its Doppler value is 1.2Hz. In this case, the time delay range of the second path set #1 corresponding to power peak #1 can be (210-224ns) and its Doppler range can be (10-11Hz). Similarly, the time delay range of the second path set #2 corresponding to power peak #2 can be (133-147ns) and its Doppler range can be (1-2Hz).
[0299] Alternatively, the range formed by the second path set in the power spectrum can be, for example, the measured range of the first device.
[0300] Step 21022d: The first device determines the first path set based on different second path sets.
[0301] Optionally, all paths in a second path set can be defined as a first path, and all paths in different second path sets can be defined as different first paths, thereby determining at least one first path, and forming a first path set by all the determined first paths.
[0302] As can be seen from the above, the first device can determine the first path set by executing the above scheme one, scheme two, and scheme three (i.e., steps 21022a-21022d).
[0303] Step 21023: The first device determines the channel response power of each first path in the first path set.
[0304] Optionally, when the first device determines the first path set based on Scheme 1 and Scheme 2 above, the channel response power of the first path in the first path set is the channel response power of the second path. Optionally, the channel response power of the second path can be determined based on the power spectrum corresponding to the sensed signal. For a detailed introduction to the power spectrum, please refer to the description in step 2101 above.
[0305] Optionally, when the first device determines the first path set based on the above scheme 3, it means that a first path is all the paths in a second path set. In this case, the channel response power of a first path can be the sum or average of the channel response power of multiple paths in a second path set.
[0306] Step 21024: The first device determines the first RSRPP based on the channel response power of at least one first path in the first path set.
[0307] Optionally, the first RSRPP may include at least one of the following:
[0308] Alt 1: Channel response power for all first paths;
[0309] Alt 2: The mean channel response power of all first paths;
[0310] Alt 3: The sum of the channel response power of all first paths;
[0311] Alt 4: The minimum channel response power of all first paths;
[0312] Alt 5: The maximum value of the channel response power for all first paths;
[0313] Alt 6: The power that is not less than the first power threshold among all channel response powers of the first path;
[0314] Alt 7: The average power of the channel response power of all first paths that is not less than the first power threshold;
[0315] Alt 8: The sum of the channel response powers of all first paths that are not less than the first power threshold;
[0316] Alt 9: The M largest powers among the channel response powers of all first paths;
[0317] Alt 10: The mean of the M largest power values among the channel response powers of all first paths;
[0318] Alt 11: The sum of the M largest power values among the channel response powers of all first paths; where M is a positive integer.
[0319] Optionally, assuming that the first path set includes I first paths, then in Alt1, the first RSRPP contains I power values. Based on the first RSRPP, the accurate power value of each first path can be obtained. This will help improve the accuracy of the sensing results when determining the sensing results based on the first RSRPP.
[0320] Optionally, in Alt2 and Alt3, the first RSRPP contains one power value, which is the average or sum of the channel response power of all first paths. This first RSRPP can reflect the validity of the first path set. For example, if the first RSRPP is large, it means that the channel response power values of the paths in the first path set are all large, indicating that the first path set includes paths that pass through the sensing target. In this case, the first path set is valid and can be used to determine the sensing result. If the first RSRPP is small, it means that the channel response power values of the paths in the first path set are all small, indicating that the first path set does not include paths that pass through the sensing target. In this case, the first path set is invalid and cannot be used to determine the sensing result.
[0321] Optionally, in Alt 4, the first RSRPP contains one power value, which is the minimum channel response power of all first paths. The first RSRPP can be used to reflect whether the setting of the first condition is reasonable. For example, if the value of the first RSRPP is small, it means that the set of first paths includes paths that do not pass through the sensing target at all. In this case, the range determined by the first condition is considered to be large, and the range determined by the first condition should be narrowed. For example, at least one of the first time delay range, first Doppler range, first AOA range, and first ZOA range in the first condition should be narrowed so that the first time delay range, first Doppler range, first AOA range, and first ZOA range in the first condition do not include the power information of non-important paths (i.e., paths that do not pass through the sensing target), thus ensuring the accuracy of the setting of the first condition.
[0322] Optionally, in Alt 5, Alt 6, and Alt 9, the first RSRPP includes one or more power values with larger channel response power among all the first paths in the first path set, rather than including the power values of all the first paths. Therefore, when reporting information based on the first RSRPP, it is possible to "report the most important information while reducing feedback overhead".
[0323] Optionally, in Alt 7, Alt 8, Alt 10, and Alt 11, the first RSRPP contains the average or sum of one or more power values with larger channel response power in all first paths of the first path set. In this way, when reporting information based on the first RSRPP, the reporting of non-important information can be avoided, the power of non-important paths can be prevented from affecting the determination of subsequent sensing results, and the accuracy of sensing results can be improved.
[0324] Step 2103: The first device sends a first report to the second device.
[0325] Optionally, the first report can be used to indicate a first RSRPP or a second RSRPP, which can be used to determine the sensing result. In some embodiments, the second RSRPP can be determined based on the first RSRPP, where the second RSRPP = a × first RSRPP + b; optionally, a = c, or a = sampleRate#1 / sampleRate#0, b = 0. sampleRate#1 is the sampling rate. Optionally, the sampling rate can refer to the sampling rate used by the first device when determining the first RSRPP. The sampling rate can be determined by the first device based on its implementation, or it can be agreed upon by the protocol, or it can be configured by a higher layer. sampleRate#0 can be c times the bandwidth of the sensing signal. In some embodiments, at least one of a, b, and c is agreed upon by the protocol, and / or at least one of a, b, and c is pre-configured to the first device (e.g., configured to the first device by a higher layer).
[0326] In some embodiments, the first device may send a first report to the second device when the first RSRPP is greater than the fourth threshold.
[0327] In some embodiments, when the sampling rate (or sampleRate#1) is not less than c times the bandwidth of the sensing signal (or sampleRate#0), the first device can first determine the second RSRPP based on the first RSRPP and send the first report based on the second RSRPP. Optionally, when the sampling rate is not less than c times the bandwidth of the sensing signal, it indicates that the sampling rate is high, that is, the first device uses a large number of paths to determine the first RSRPP, which is considered to be an "oversampling" situation. In this case, if the first RSRPP is directly included in the first report, the accuracy of the sensing result determination may be affected when the sensing result is determined based on the first report. Therefore, in some embodiments, when the sampling rate is not less than c times the bandwidth of the sensing signal, the first device needs to process the first RSRPP (e.g., scaling and / or translating) to obtain the second RSRPP to eliminate the influence of "oversampling" and ensure the accuracy of the subsequent sensing result determination.
[0328] Optionally, when the first report is used to indicate the second RSRPP, the first report may include at least one of the following: the second RSRPP, the quantized value of the second RSRPP; or, the first report may include at least one of the following: the first RSRPP, the quantized value of the first RSRPP, the sampling rate, the ratio between the sampling rate and the first value; wherein the first value is c times the bandwidth of the sensed signal. Optionally, the quantization step size can be configured by a higher layer. Optionally, when the first report includes at least one of the first RSRPP, the quantized value of the first RSRPP, the sampling rate, and the ratio between the sampling rate and the first value, in some embodiments, after receiving the first report, the second device may determine the value of a based on the sampling rate and the bandwidth of the sensed signal, and determine the second RSRPP based on a, b, and the first RSRPP; or, in some embodiments, the second device may determine the value of a based on the ratio between the sampling rate and the first value, and determine the second RSRPP based on a, b, and the first RSRPP. Furthermore, when determining the sensing results, the second device can use the second RSRPP to determine the sensing results, thereby eliminating the impact of "oversampling" and ensuring the accuracy of subsequent sensing result determination.
[0329] In some embodiments, "not less than" can be used interchangeably with terms such as "greater than", "greater than or equal to", "exceeding", "more than", "more than or equal to", "not less than", "higher than", "higher than or equal to", "not lower than", and "above".
[0330] Optionally, in some embodiments, when the sampling rate is equal to c times the bandwidth of the sensed signal, the first RSRPP can be equal to the second RSRPP.
[0331] Optionally, in some embodiments, when the sampling rate is less than c times the bandwidth of the sensed signal, the first report sent by the first device to the second device can be used to indicate the first RSRPP. Optionally, when the first report indicates the first RSRPP, the first report may include at least one of the following: the first RSRPP, the quantized value of the first RSRPP.
[0332] Optionally, in some embodiments, when the sampling rate is less than c times the bandwidth of the sensed signal, the first device may not report the first report.
[0333] In some embodiments, "less than" can be used interchangeably with terms such as "less than or equal to", "not exceeding", "not greater than", "less than", "less than or equal to", "not more than", "lower than", "lower than or equal to", "not higher than", and "below".
[0334] Therefore, when the first device reports the first report to the second device, it considers the sampling rate (i.e., the sampling rate used by the first device to determine the first RSRPP) to avoid the sampling rate being too high and affecting the reporting of the first report, thus ensuring the accuracy of the first report. Consequently, when the sensing result is subsequently determined based on the first report, the accuracy of the sensing result can be ensured. Furthermore, in the above embodiment, when the first device reports the first report to the second device, the first report may include the quantized value of the first RSRPP and / or the quantized value of the second RSRPP. The reporting resources required for the quantized value are far less than those required for the first and second RSRPPs, thereby significantly reducing reporting overhead and saving communication resources.
[0335] Optionally, when the first report includes the quantized value of the first RSRPP, the first report may include the quantized value of each first RSRPP, or the first report may include: the quantized value of the largest first RSRPP among all first RSRPPs, and the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP among all first RSRPPs, or the first report may include: the quantized value of the largest first RSRPP and the quantized value of the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP among all first RSRPPs. Optionally, when the first report includes quantized values of second RSRPPs, the first report may include the quantized value of each second RSRPP; alternatively, the first report may include: the quantized value of the largest second RSRPP among all second RSRPPs, and the difference between each second RSRPP (excluding the largest second RSRPP) and the largest second RSRPP; or, the first report may include: the quantized value of the largest second RSRPP and the quantized value of the difference between each second RSRPP (excluding the largest second RSRPP) and the largest second RSRPP. Optionally, the quantized value of the difference can be configured at a higher level.
[0336] Optionally, in some embodiments, when the bandwidths of different sensing signals are different, the sampling rates corresponding to the different sensing signals are the same; or, in some embodiments, when the bandwidths of different sensing signals are different, the sampling rates corresponding to the different sensing signals are different; wherein, the second value corresponding to the different sensing signals is the same, and the second value can be: the ratio between the sampling rate corresponding to the sensing signal and the bandwidth of the sensing signal.
[0337] Optionally, the sampling rate described above can also be used to determine the granularity of the power spectrum of the sensed signal. For example, the sampling rate can be used to determine at least one of the following: the time-delay domain granularity T1 of the power spectrum, the Doppler domain granularity D1 of the power spectrum, the AOA domain granularity A1 of the power spectrum, and the ZOA domain granularity A2 of the power spectrum. For example, T1 = 1 / sampleRate#1, D1 = 1 / T0 / (sampleRate#1 / BW), A1 = pi / sampleRate#1, and A2 = pi / sampleRate#1. Where sampleRate#1 is the sampling rate, BW is the bandwidth of the sensed signal, T0 is the duration of the sensed signal, and Pi represents a radian value of π.
[0338] Optionally, in some embodiments, the first device may receive sensing signals sent from different first cells, and the sensing signals sent from different first cells may pass through the same sensing target. In this case, the first report may include the first RSRPP or the second RSRPP corresponding to the sensing signal of the second cell; optionally, the second cell may include at least one of the following: each first cell, the cell with the largest first RSRPP or second RSRPP in the first cell, the cell with the first RSRPP or second RSRPP not less than a fifth threshold in the first cell, or the top N1 cells with the largest first RSRPP or second RSRPP in the first cell, where N1 is a positive integer.
[0339] Optionally, in some embodiments, the first device may receive sensing signals sent by different first terminals, and the sensing signals sent by different first terminals may pass through the same sensing target. In this case, the first report may include the first RSRPP or the second RSRPP corresponding to the sensing signal of the second terminal; optionally, the second terminal may include at least one of the following: each first terminal, the terminal with the largest first RSRPP or second RSRPP among the first terminals, the terminal with the first RSRPP or second RSRPP not less than a sixth threshold among the first terminals, or the top N2 terminals with the largest first RSRPP or second RSRPP among the first terminals, where N2 is a positive integer.
[0340] Therefore, when the first device receives multiple sensing signals, considering that the bandwidth and duration of different sensing signals may vary, leading to significant differences in the measurement results, the first device can report the first RSRPP or second RSRPP of each sensing signal to ensure completeness and the accuracy of subsequent sensing result determination. Alternatively, the first device does not need to report the first report of all sensing signals to the second device, but only reports the first report of the sensing signal with the largest first RSRPP or second RSRPP, or only reports the first report of sensing signals with a first RSRPP or second RSRPP not less than the fifth or sixth threshold, or only reports the first reports of the first few sensing signals with the largest first RSRPP or second RSRPP. This reduces communication overhead. Furthermore, since the first device reports only the first reports of sensing signals with larger first RSRPP or second RSRPP, the accuracy of the sensing results can also be ensured when determining the sensing results based on the first reports. Thus, while reducing communication overhead, sensing accuracy is also improved.
[0341] Optionally, in some embodiments, when the first RSRPP in step 2102 above is calculated based on scheme three, the first report may also include at least one second path set for determining the first RSRPP.
[0342] Optionally, after receiving the first report, the second device can determine the perception result based on the first report and perform subsequent related processing based on the perception result. For example, it can schedule appropriate resources for the perception target based on the perception result.
[0343] It should be noted that in some embodiments, when the second device is access network device A, the first device can be a terminal. In this case, access network device A can receive the first report sent by the terminal. Alternatively, the first device can be access network device B. In this case, access network device A can receive the first report sent by access network device B. Or, in other embodiments, access network device A can also receive the first report sent by the SF network element. Optionally, the first report at the SF network element can be sent from the first device to the SF network element. Alternatively, the SF network element can also receive sensing signals, and the SF network element can determine the first report based on the received sensing signals and then send it to access network device A. This disclosure does not impose specific limitations in this regard.
[0344] In summary, when the first device receives a sensing signal, it determines a first RSRPP of the sensing target based on the channel response power of at least one first path in the first path set. The first path set is determined based on at least one second path, where the second path is used to transmit the sensing signal and includes paths passing through the sensing target. Therefore, the first RSRPP determined in this embodiment is based on the channel response power of paths passing through the sensing target. This first RSRPP accurately reflects the characteristics of the sensing target, ensuring the accuracy of the sensing results and improving sensing precision when subsequently determining the sensing results based on the first RSRPP.
[0345] The determination method involved in the embodiments of this disclosure may include at least one of steps 2101 to 2103. For example, step 2101 may be implemented as an independent embodiment, step 2102 may be implemented as an independent embodiment, step 2103 may be implemented as an independent embodiment, and steps 2101+2102+2103 may be implemented as an independent embodiment, but are not limited thereto.
[0346] In some embodiments, the steps and their optional implementations in other embodiments described before or after this embodiment, as well as other related parts in the specification, can be referred to, and will not be repeated here.
[0347] Figure 3A is a flowchart illustrating a determination method according to an embodiment of the present disclosure. As shown in Figure 3A, the present disclosure relates to a determination method for a first device, the method comprising:
[0348] Step 3101: Receive sensing signals.
[0349] Step 3102: Determine the first RSRPP of the perceived target.
[0350] Optionally, the first RSRPP is determined based on the channel response power of at least one first path in a first path set, the first path set being determined based on at least one second path, wherein the second path is used to transmit the sensing signal, and the second path includes a path passing through the sensing target.
[0351] Optionally, the second path is determined based on a first condition corresponding to the perceived target, wherein the first condition includes at least one of the following:
[0352] The delay value is within the first delay range;
[0353] The delay value is the first delay value;
[0354] Doppler values are within the first Doppler range;
[0355] The Doppler value is the first Doppler value;
[0356] The horizontal receiving angle (AOA) value is within the first AOA range;
[0357] The AOA value is the first AOA value;
[0358] The vertical receiving angle ZOA value is within the first ZOA range;
[0359] The ZOA value is the first ZOA value.
[0360] Optionally, the first condition is used to determine the path that passes through the sensing target and whose channel response power is greater than a first threshold.
[0361] Optionally, the method further includes:
[0362] Determine the N paths in the first path set that include the at least one second path and have the highest channel response power, where N is a positive integer; or
[0363] The first set of paths is determined to include the second path.
[0364] Optionally, the method further includes:
[0365] A first region is determined from the power spectrum of the sensed signal, wherein the power spectrum includes at least one of the following dimensions: time delay dimension, Doppler dimension, AOA dimension, and ZOA dimension. The power spectrum is used to represent the channel response power of different dimensional paths of the sensed signal, wherein the path included in the first region is the second path.
[0366] Identify at least one power peak in the first region;
[0367] At least one second path set is determined from the first region based on at least one power peak, and different power peaks correspond to different second path sets. The second path set includes at least two paths from a third path and at least one fourth path. The third path is the path corresponding to the power peak, and the fourth path satisfies a second condition.
[0368] All paths in a second path set are identified as the first path, and the channel response power of the first path is the sum or average of the channel response powers of multiple paths in the second path set.
[0369] Optionally, the second condition includes at least one of the following:
[0370] The interval between the third path and the fourth path in the time delay dimension is less than the second time delay value;
[0371] The distance between the third path and the fourth path in the Doppler dimension is less than the second Doppler value;
[0372] The interval between the third path and the fourth path in the AOA dimension is smaller than the second AOA value;
[0373] The interval between the third path and the fourth path in the ZOA dimension is smaller than the second ZOA value;
[0374] The absolute value of the difference between the channel response power of the third path and the channel response power of the fourth path is less than the second threshold.
[0375] The channel response power of the fourth path is greater than the third threshold.
[0376] Optionally, the first RSRPP includes at least one of the following:
[0377] Channel response power for all first paths;
[0378] The mean of the channel response power of all first paths;
[0379] The sum of the channel response power of all first paths;
[0380] The minimum channel response power of all first paths;
[0381] The maximum value among all channel response powers of the first path;
[0382] The power of the channel response power of all first paths that is not less than the first power threshold;
[0383] The average of the channel response powers of all first paths that are not less than the first power threshold;
[0384] The sum of the channel response powers of all first paths that are not less than the first power threshold;
[0385] The M largest powers among all the channel response powers of the first path;
[0386] The mean of the M largest power values among the channel response powers of all first paths;
[0387] The sum of the M largest power values among the channel response powers of all first paths; where M is a positive integer.
[0388] Optionally, the method further includes:
[0389] If the first RSRPP is greater than the fourth threshold, a first report is sent to the second device. The first report is used to indicate the first RSRPP or the second RSRPP, and the second RSRPP is determined based on the first RSRPP.
[0390] Optionally, sending the first report to the second device includes:
[0391] The sampling rate is not less than c times the bandwidth of the sensed signal. The second RSRPP is determined based on the first RSRPP, where the second RSRPP = a × first RSRPP + b. a and b are agreed upon by the protocol, and / or a and b are pre-configured to the first device. The sampling rate is the sampling rate used by the first device to determine the first RSRPP, and c is agreed upon by the protocol, and / or c is pre-configured to the first device.
[0392] A first report is sent to the second device, the first report indicating the second RSRPP; wherein, when the first report indicates the second RSRPP, the first report includes at least one of the following: the second RSRPP, the quantized value of the second RSRPP, or, the first report includes at least one of the following: the first RSRPP, the quantized value of the first RSRPP, the sampling rate, the ratio between the sampling rate and a first value; wherein, the first value is c times the bandwidth of the sensed signal.
[0393] Optionally, sending the first report to the second device includes:
[0394] If the sampling rate is less than c times the bandwidth of the sensed signal, a first report is sent to the second device. The first report is used to indicate the first RSRPP. When the first report indicates the first RSRPP, the first report includes at least one of the following: the first RSRPP, the quantized value of the first RSRPP.
[0395] Optionally, the method further includes:
[0396] If the sampling rate is less than c times the bandwidth of the sensed signal, no first report is sent. The sampling rate is the sampling rate used by the first device when determining the first RSRPP, and c is agreed upon by the protocol and / or c is pre-configured to the first device.
[0397] Optionally, when different sensing signals have different bandwidths, the sampling rate corresponding to the different sensing signals is the same; or
[0398] When different sensing signals have different bandwidths, the sampling rates corresponding to the different sensing signals are different; wherein, the second value corresponding to different sensing signals is the same, and the second value is: the ratio between the sampling rate corresponding to the sensing signal and the bandwidth of the sensing signal.
[0399] Optionally, when the first report includes the quantized value of the first RSRPP, the first report includes the quantized value of each first RSRPP; or, the first report includes: the quantized value of the largest first RSRPP among all first RSRPPs, and the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP; or, the first report includes: the quantized value of the largest first RSRPP and the quantized value of the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP.
[0400] When the first report includes the quantized value of the second RSRPP, the first report includes the quantized value of each second RSRPP; or, the first report includes: the quantized value of the largest second RSRPP among all second RSRPPs, and the difference between each second RSRPP other than the largest second RSRPP and the largest second RSRPP; or, the first report includes: the quantized value of the largest second RSRPP and the quantized value of the difference between each second RSRPP other than the largest second RSRPP and the largest second RSRPP.
[0401] Optionally, when the first device receives the sensing signals sent by different first cells, the first report includes the first RSRPP or the second RSRPP corresponding to the sensing signal of the second cell;
[0402] The second cell includes at least one of the following:
[0403] Each first community;
[0404] The cell with the largest first RSRPP or second RSRPP in the first cell;
[0405] The first cell is a cell in which the first RSRPP or the second RSRPP is not less than the fifth threshold;
[0406] The top N1 cells with the largest first or second RSRPP in the first cell, where N1 is a positive integer.
[0407] Optionally, when the first device receives the sensing signals sent by different first terminals, the first report includes the first RSRPP or the second RSRPP corresponding to the sensing signal of the second terminal;
[0408] The second terminal includes at least one of the following:
[0409] Each first terminal;
[0410] The terminal with the largest first RSRPP or second RSRPP in the first terminal;
[0411] The first terminal is a terminal in which the first RSRPP or the second RSRPP is not less than the sixth threshold;
[0412] The top N2 terminals with the largest first or second RSRPP in the first terminal, where N2 is a positive integer.
[0413] Optionally, the method further includes:
[0414] The device receives configuration information sent by a second device, the configuration information being used to configure at least one of the following: a first condition, a second condition, the resource location of the sensing signal, the bandwidth of the sensing signal, and the duration of the sensing signal.
[0415] Optionally, the configuration information is used to configure the first condition, including:
[0416] The configuration information is used to configure at least one of the following:
[0417] The starting position of the first time delay range;
[0418] The end position of the first time delay range;
[0419] The number of delay values within the first delay range;
[0420] First delay value;
[0421] The starting position of the first Doppler range;
[0422] The end position of the first Doppler range;
[0423] The number of Doppler values within the first Doppler range;
[0424] First Doppler value;
[0425] The starting position of the first AOA range;
[0426] The end position of the first AOA range;
[0427] The number of AOA values within the first AOA range;
[0428] First AOA value;
[0429] The starting position of the first ZOA range;
[0430] The end position of the first ZOA range;
[0431] The number of ZOA values within the first ZOA range;
[0432] First ZOA value.
[0433] Optionally, when the configuration information is configured with the number of delay values within the first delay range, the number of Doppler values within the first Doppler range, the number of AOA values within the first AOA range, and the number of ZOA values within the first ZOA range; the method further includes:
[0434] Determine the power peak value in the power spectrum of the sensed signal; the power spectrum includes at least one of the following dimensions: time delay dimension, Doppler dimension, AOA dimension, ZOA dimension; the power spectrum is used to represent the channel response power of the sensed signal in different dimensional paths;
[0435] Based on the power peak, determine at least one of the following: the midpoint of the first time delay range, the midpoint of the first Doppler range, the midpoint of the first AOA range, and the midpoint of the first ZOA range;
[0436] The starting position and ending position of the first delay range are determined based on the midpoint of the first delay range and the number of delay values within the first delay range.
[0437] The starting position and ending position of the first Doppler range are determined based on the midpoint of the first Doppler range and the number of Doppler values within the first Doppler range.
[0438] The starting position and ending position of the first AOA range are determined based on the midpoint of the first AOA range and the number of AOA values within the first AOA range.
[0439] The starting position and ending position of the first ZOA range are determined based on the midpoint of the first ZOA range and the number of ZOA values within the first ZOA range.
[0440] Optionally, the time-delay domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate;
[0441] The Doppler domain granularity of the power spectrum of the sensed signal is determined based on at least one of the bandwidth of the sensed signal, the duration of the sensed signal, and the sampling rate.
[0442] The AOA domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate;
[0443] The ZOA domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate;
[0444] The sampling rate is the sampling rate used by the first device to determine the first RSRPP.
[0445] Optionally, the method further includes:
[0446] The capability information is sent to the second device to indicate at least one of the following: the highest sampling rate of the first device, the sampling rate supported by the first device, and the sampling rate supported by the first device within the bandwidth of the sensed signal; wherein the capability information is used by the second device to determine at least one of the following: the number of delay values within a first delay range, the number of Doppler values within a first Doppler range, the number of AOA values within a first AOA range, and the number of ZOA values within a first ZOA range.
[0447] Optionally, the first device is a terminal or an access network device, and the second device is any one of an access network device, a core network device, or a sensing function SF network element.
[0448] For a detailed description of steps 3101-3102, please refer to the above embodiment description.
[0449] In some embodiments, the steps and their optional implementations in other embodiments described before or after this embodiment, as well as other related parts in the specification, can be referred to, and will not be repeated here.
[0450] Figure 3B is a flowchart illustrating a determination method according to an embodiment of the present disclosure. As shown in Figure 3B, the present disclosure relates to a determination method for a second device, the method comprising:
[0451] Step 3201: Determine the first report.
[0452] Optionally, the first report is used to indicate a first reference signal received path power (RSRPP) or a second RSRPP for the sensed target. The first RSRPP is determined based on the channel response power of at least one first path in a first path set. The first path set is determined based on at least one second path, wherein the second path is used to transmit the sensed signal, the second path includes a path passing through the sensed target, and the second RSRPP is determined based on the first RSRPP.
[0453] Optionally, the second RSRPP = a × the first RSRPP + b; a and b are agreed upon by the protocol, and / or a and b are determined by the second device.
[0454] Optionally, the second path is determined based on a first condition corresponding to the perceived target, wherein the first condition includes at least one of the following:
[0455] The delay value is within the first delay range;
[0456] The delay value is the first delay value;
[0457] Doppler values are within the first Doppler range;
[0458] The Doppler value is the first Doppler value;
[0459] The horizontal receiving angle (AOA) value is within the first AOA range;
[0460] The AOA value is the first AOA value;
[0461] The vertical receiving angle ZOA value is within the first ZOA range;
[0462] The ZOA value is the first ZOA value.
[0463] Optionally, the first condition is used to determine the path that passes through the sensing target and whose channel response power is greater than a first threshold.
[0464] Optionally, the first path set includes the N paths with the highest channel response power among the at least one second path; or
[0465] The first set of paths includes the second path.
[0466] Optionally, the first path includes all paths in a second path set, and the channel response power of the first path is the sum or average of the channel response power of multiple paths in the second path set.
[0467] Wherein, the second path set includes at least two paths from the third path and at least one fourth path; the third path is the path corresponding to the power peak in the first region, the first region includes at least one power peak, different power peaks correspond to different second path sets, the first region is a region in the power spectrum of the sensed signal, the dimensions of the power spectrum include at least one of the following: time delay dimension, Doppler dimension, AOA dimension, ZOA dimension, the power spectrum is used to represent the channel response power of the sensed signal in different dimensional paths, the path included in the first region is the second path; and the fourth path satisfies the second condition.
[0468] Optionally, the second condition includes at least one of the following:
[0469] The interval between the third path and the fourth path in the time delay dimension is less than the second time delay value;
[0470] The distance between the third path and the fourth path in the Doppler dimension is less than the second Doppler value;
[0471] The interval between the third path and the fourth path in the AOA dimension is smaller than the second AOA value;
[0472] The interval between the third path and the fourth path in the ZOA dimension is smaller than the second ZOA value;
[0473] The absolute value of the difference between the channel response power of the third path and the channel response power of the fourth path is less than the second threshold.
[0474] The channel response power of the fourth path is greater than the third threshold.
[0475] Optionally, the first RSRPP includes at least one of the following:
[0476] Channel response power for all first paths;
[0477] The mean of the channel response power of all first paths;
[0478] The sum of the channel response power of all first paths;
[0479] The minimum channel response power of all first paths;
[0480] The maximum value among all channel response powers of the first path;
[0481] The power of the channel response power of all first paths that is not less than the first power threshold;
[0482] The average of the channel response powers of all first paths that are not less than the first power threshold;
[0483] The sum of the channel response powers of all first paths that are not less than the first power threshold;
[0484] The M largest powers among all the channel response powers of the first path;
[0485] The mean of the M largest power values among the channel response powers of all first paths;
[0486] The sum of the M largest power values among the channel response powers of all first paths; where M is a positive integer.
[0487] Optionally, determining the first report includes:
[0488] Receive the first report sent by the first device;
[0489] Wherein, when the first report indicates the second RSRPP, the first report includes at least one of the following: the second RSRPP, the quantized value of the second RSRPP; or, the first report includes at least one of the following: the first RSRPP, the quantized value of the first RSRPP, the sampling rate, the ratio between the sampling rate and the first value; or
[0490] When the first report indicates the first RSRPP, the first report includes at least one of the following: the first RSRPP, the quantized value of the first RSRPP;
[0491] Wherein, the sampling rate is the sampling rate used by the first device when determining the first RSRPP, the first value is c times the bandwidth of the sensed signal, c is agreed upon by the protocol, and / or c is determined by the second device.
[0492] Optionally, when different sensing signals have different bandwidths, the sampling rate corresponding to the different sensing signals is the same; or
[0493] When different sensing signals have different bandwidths, the sampling rates corresponding to the different sensing signals are different; wherein, the second value corresponding to different sensing signals is the same, and the second value is: the ratio between the sampling rate corresponding to the sensing signal and the bandwidth of the sensing signal.
[0494] Optionally, when the first report includes the quantized value of the first RSRPP, the first report includes the quantized value of each first RSRPP; or, the first report includes: the quantized value of the largest first RSRPP among all first RSRPPs, and the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP; or, the first report includes: the quantized value of the largest first RSRPP and the quantized value of the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP.
[0495] When the first report includes the quantized value of the second RSRPP, the first report includes the quantized value of each second RSRPP; or, the first report includes: the quantized value of the largest second RSRPP among all second RSRPPs, and the difference between each second RSRPP other than the largest second RSRPP and the largest second RSRPP; or, the first report includes: the quantized value of the largest second RSRPP and the quantized value of the difference between each second RSRPP other than the largest second RSRPP and the largest second RSRPP.
[0496] Optionally, the method further includes:
[0497] The first device is sent configuration information, which is used to configure at least one of the following: a first condition, a second condition, the resource location of the sensing signal, the bandwidth of the sensing signal, and the duration of the sensing signal.
[0498] Optionally, the configuration information is used to configure the first condition, including:
[0499] The configuration information is used to configure at least one of the following:
[0500] The starting position of the first time delay range;
[0501] The end position of the first time delay range;
[0502] The number of delay values within the first delay range;
[0503] First delay value;
[0504] The starting position of the first Doppler range;
[0505] The end position of the first Doppler range;
[0506] The number of Doppler values within the first Doppler range;
[0507] First Doppler value;
[0508] The starting position of the first AOA range;
[0509] The end position of the first AOA range;
[0510] The number of AOA values within the first AOA range;
[0511] First AOA value;
[0512] The starting position of the first ZOA range;
[0513] The end position of the first ZOA range;
[0514] The number of ZOA values within the first ZOA range;
[0515] First ZOA value.
[0516] Optionally, the time-delay domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate;
[0517] The Doppler domain granularity of the power spectrum of the sensed signal is determined based on at least one of the bandwidth of the sensed signal, the duration of the sensed signal, and the sampling rate.
[0518] The AOA domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate;
[0519] The ZOA domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate;
[0520] The power spectrum is used to represent the channel response power of the sensing signal in different dimensional paths, and the sampling rate is the sampling rate used by the first device to determine the first RSRPP.
[0521] Optionally, the method further includes:
[0522] The second device receives capability information sent by the first device, the capability information indicating at least one of the following: the highest sampling rate of the first device, the sampling rate supported by the first device, and the sampling rate supported by the first device within the bandwidth of the sensed signal; wherein the capability information is used by the second device to determine at least one of the following: the number of delay values within a first delay range, the number of Doppler values within a first Doppler range, the number of AOA values within a first AOA range, and the number of ZOA values within a first ZOA range.
[0523] Optionally, the first device is a terminal or an access network device, and the second device is any one of an access network device, a core network device, or a sensing function SF network element.
[0524] For a detailed description of step 3201, please refer to the above embodiment.
[0525] In some embodiments, the steps and their optional implementations in other embodiments described before or after this embodiment, as well as other related parts in the specification, can be referred to, and will not be repeated here.
[0526] The following is an exemplary description of the above method:
[0527] ISAC technology, as a novel communication technology in 5G and / or 6G (primarily 6G), aims to integrate sensing capabilities into the design of communication systems, enabling these systems to provide sensing as a service alongside communication. Through the transmission and reception of sensing signals, the gNB / UE can perceive information such as the distance, speed, and angle of targets / environment, acquiring information about the surrounding targets / environment. This information can be used in scenarios such as drone detection, intrusion detection, intelligent transportation, and smart factories.
[0528] Current research on ISCA technology includes six sensing modes shown in Figures 1B-1D: TRP-TRP bistatic, TRP monostatic, TRP-UE bistatic, UE-TRP bistatic, UE-UE bistatic, and UE monostatic scenarios.
[0529] When the UE receives the sensing RS, the UE can measure the sensing RS and report the measurement results to the gNB / Sensing function. Similarly, when the gNB receives the sensing RS, the gNB can measure the sensing RS, interact with other gNBs to sense the measurement results, or report the sensing measurement results to the Sensing function.
[0530] Specifically, in the initial sensing phase, for each sensing transmit beam, the per-path delay / Doppler / Angle / [power] measurement results of L1-RSRP can be reported / interacted; in the tracking phase, the per-path delay / Doppler / Angle / [power] measurement results of the sensing RS under a specific sensing transmit beam (the beam where the target may be) can be reported.
[0531] The following describes how to determine and report the RSRP (RSRPP reference signal received path power) of the perpath of the communication signal in a positioning scenario.
[0532] The method for determining RSRPP is as follows:
[0533] The UE receives DL PRS for downlink positioning. The DL PRS reference signal received path power (DL PRS-RSRPP) is defined as the power of the linear average of the channel response at the i-th path delay of the resource element (RE) carrying the configured DL PRS signal, where the DL PRS-RSRPP at the first path delay is the power value corresponding to the first detected path in time.
[0534] When the UE receives the sensing signal, the reference point for determining the DL PRS-RSRPP can differ depending on the UE's receiving antenna structure. Assuming the UE has a single antenna element for each receiving path, rather than an antenna array, the UE can perform measurements at the receiving antenna connector. If the UE has an antenna array for each receiving path, the measurement is based on the combined signal strength of all antenna elements belonging to a single receiving path, i.e., the receiver branch. For FR1, the reference point is the receiving antenna connector; for FR2, the reference point is the receiver branch.
[0535] The UE transmits UL SRS for uplink positioning. The UL SRS reference signal received path power (UL SRS-RSRPP) is defined as the power of the linear average of the channel response at the i-th path delay of the resource element (RE) carried as the UL SRS signal, where the UL SRS-RSRPP for the first path delay is the power value corresponding to the first detected path.
[0536] When a gNB receives sensing signals, the reference point for determining the UL SRS-RSRPP can vary depending on the gNB's receiving antenna structure. Assuming the gNB has a single antenna element per receiving path, rather than an antenna array, measurements can be performed at the receiving antenna connector. If the gNB has an antenna array for each receiving path, measurements are based on the combined signal strength of all antenna elements belonging to a single receiving path, i.e., the receiver branch. If the gNB has a convenient transceiver array connector, measurements are performed based on this connector. For a type 1-C base station, the reference point is the receiving antenna connector. For a type 1-O or 2-O base station, the reference point is the receiver branch. For a type 1-H base station, the reference point is the convenient transceiver array connector. The definitions of type 1-C, type 1-O, or 2-O, and type 1-H base stations can be found in TS 38.104.
[0537] Optionally, the existing RSRPP measurement and reporting scheme has the following problems.
[0538] 1. The determination of RSRPP does not take into account the characteristics of sensing, and the reported RSRPP may be unrelated to the sensed target;
[0539] 2. The impact of sampling rate on RSRPP was not considered.
[0540] 3. In RS scenarios where multiple transmitting nodes are not considered, the case of selecting to report only a portion of the RSRPP reports.
[0541] Optionally, to solve the above-mentioned technical problems, the present disclosure provides the following methods:
[0542] Determine the measurement and reporting method for RSRPP of the sensing RS:
[0543] The definition of RSRPP (RSRPP-Sensing) for sensing RS:
[0544] RSRPP-Sensing#j is the linear average of the channel response power of the j-th path in the set of the i-th paths on the RE that satisfy the first condition. {RSRPP-Sensing#j} constitutes the i-th power set, where RSRPP-Sensing is either the i-th power set, or the mean, maximum, minimum, or sum of all elements of the i-th power set.
[0545] The first time delay range is related to the time delay granularity; the first Doppler range is related to the Doppler granularity; the first AOA range is related to the AOA granularity; and the first ZOA range is related to the ZOA granularity.
[0546] When RS oversampling is detected, RSRPP-Sensing can be processed (scaled and / or translated) before reporting. RSRPP-Sensing#2 = a * RSRPP-Sensing#1 + b, where RSRPP-Sensing#1 is the result before processing and RSRPP-Sensing#2 is the result after processing.
[0547] The UE measures the sensing RS on multiple cells and can choose to report the measurement results from all cells or only some cells.
[0548] The cell to be reported is determined based on the configuration of the sensing RS, the cell index, and the value of RSRPP-Sensing.
[0549] Optionally, on the terminal side: the UE determines the path received power of the sensed RS signal and reports it to the base station using the following method.
[0550] Scheme 1-1: The path received power of the sensing RS can be defined as RSRPP-Sensing:
[0551] RSRPP-Sensing#j is the linear average of the channel response power of the j-th path in the i-th path set on the RE where RS is located, satisfying the first condition. {RSRPP-Sensing#j} constitutes the i-th power set. RSRPP-Sensing is either the i-th power set, or the mean, maximum, minimum, or sum of all elements of the i-th power set. The first condition includes at least one of the following:
[0552] The delay of the path in the i-th path set is within the i-th time delay range.
[0553] The delay value of the path in the i-th path set is Ti.
[0554] The Doppler of the path in the i-th path set is within the i-th Doppler range.
[0555] The Doppler value of the path in the i-th path set is Di.
[0556] The horizontal receiving angle (AOA) of the path in the i-th path set is within the range of the i-th AOA.
[0557] The AOA value of the path in the i-th path set is AOAi.
[0558] The vertical reception angle (ZOA) of the path in the i-th path set is within the range of the i-th ZOA.
[0559] The ZOA value of the path in the i-th path set is ZOAi.
[0560] The granularity of the path in the time domain is T1, the granularity of the path in the Doppler domain is D1, the granularity of the path in the AOA domain is A1, and the granularity of the path in the ZOA domain is A2.
[0561] The values of T1, D1, A1, and A2 are related to at least one of the following: RS signal sampling rate, RS signal bandwidth, and RS signal duration.
[0562] The RS signal sampling rate, RS signal bandwidth, and RS signal duration can be agreed upon by the protocol or configured by higher layers.
[0563] The range of the i-th parameter can be determined based on at least one of the following:
[0564] The start position, end position, and number of interval granularities of the i-th parameter range.
[0565] The range of parameter i includes at least one of the following: the time delay range, the Doppler range, the AOA range, and the ZOA range.
[0566] Scheme 1-2: The sampling rate is c² times the RS signal bandwidth. When c² is greater than 1, the reported path received power of the sensing RS can be adjusted according to the value RSRPP-Sensing#1 determined in Scheme 1-1 before being reported. The adjusted value is RSRPP-Sensing#2.
[0567] Optionally, RSRPP-Sensing#2 = a * RSRPP-Sensing#1 + b
[0568] Alternatively, a = c², b = 0
[0569] Optionally, the UE measures the sensing RS on the first cell set, reports the path received power of the sensing RS in the second cell, and determines the path received power of the sensing RS in the second cell using scheme 1-1 or 1-2. The second cell is one of the following:
[0570] Each cell in the first set of cells
[0571] The cell with the highest path received power in the sensing RS
[0572] Cells where the path received power of the sensing RS is not less than the threshold
[0573] The top N cells with the highest path received power in the sensing RS
[0574] Optionally, scheme 1-1 or 1-2 is applicable to at least one of the gNB-UE bi-static, UE-UE bi-static, and UE-UE monostatic sensing modes.
[0575] Base station side: The base station determines the path received power of the sensed RS signal using the following method.
[0576] Option 1: The base station receives the sensing RS, and uses Option 1-1 or 1-2 on the UE side to determine the path received power of the sensing RS signal.
[0577] Optionally, Scheme 1 is applicable to at least one of the following sensing modes: UE-gNB bi-static, gNB-gNB bi-static, and gNB-gNB monostatic.
[0578] Option 2: Receive the path received power of the sensed RS signal fed back by the UE, or the path received power of the sensed RS signal from other gNB interactions, or the path received power of the sensed RS signal indicated by the Sensing function.
[0579] The following is a description of the embodiments of this method.
[0580] Terminal side: The UE determines the path received power of the sensed RS signal and reports it to the base station using the following method.
[0581] Scheme 1-1: The path received power of the sensing RS can be defined as RSRPP-Sensing:
[0582] RSRPP-Sensing#j is the linear average of the channel response power of the j-th path in the i-th path set on the RE where RS is located, satisfying the first condition. {RSRPP-Sensing#j} constitutes the i-th power set. RSRPP-Sensing is either the i-th power set, or the mean, maximum, minimum, or sum of all elements of the i-th power set. The first condition includes at least one of the following:
[0583] The delay of the path in the i-th path set is within the i-th time delay range.
[0584] The delay value of the path in the i-th path set is Ti.
[0585] The Doppler of the path in the i-th path set is within the i-th Doppler range.
[0586] The Doppler value of the path in the i-th path set is Di.
[0587] The horizontal receiving angle (AOA) of the path in the i-th path set is within the range of the i-th AOA.
[0588] The AOA value of the path in the i-th path set is AOAi.
[0589] The vertical reception angle (ZOA) of the path in the i-th path set is within the range of the i-th ZOA.
[0590] The ZOA value of the path in the i-th path set is ZOAi.
[0591] The granularity of the path in the time domain is T1, the granularity of the path in the Doppler domain is D1, the granularity of the path in the AOA domain is A1, and the granularity of the path in the ZOA domain is A2.
[0592] The values of T1, D1, A1, and A2 are related to at least one of the following: RS signal sampling rate, RS signal bandwidth, and RS signal duration.
[0593] The RS signal sampling rate, RS signal bandwidth, and RS signal duration can be agreed upon by the protocol or configured by higher layers.
[0594] The range of the i-th parameter can be determined based on at least one of the following:
[0595] The start position, end position, and number of interval granularities of the i-th parameter range.
[0596] The range of parameter i includes at least one of the following: the time delay range, the Doppler range, the AOA range, and the ZOA range.
[0597] RSRPP-Sensing#j is the linear average of the channel response power of the j-th path in the set of i-th paths on the RE where RS is located, satisfying the first condition. In other words, RSRPP-Sensing#j is the average of the linear values of the channel response power of the j-th path across the RE where RS is located. RSRPP-Sensing#j can be defined using at least one of the following definitions:
[0598] Alt 1: RSRPP-Sensing#j is the power at the j-th path at unit delay granularity, unit Doppler granularity, unit AOA granularity, and unit ZOA granularity.
[0599] Alt 2: RSRPP-Sensing#j is the total or average power within the measured time delay range, Doppler range, AOA range, and ZOA range at the j-th path. The time delay range, Doppler range, AOA range, and ZOA range are included within the i-th time delay range, i-th Doppler range, i-th AOA range, and i-th ZOA range configured in the first condition. The measured time delay range, Doppler range, AOA range, and ZOA range of each path in the i-th path set do not overlap, or the measured ranges of parameter A of each path in the i-th path set overlap, where parameter A is at least one of time delay, Doppler range, AOA, and ZOA.
[0600] In some schemes, at least one parameter of the i-th condition in the first condition is a range. In Alt1, the power of each of the N paths with the strongest power measured within the given range can be reported at a unit time delay granularity, a unit Doppler granularity, a unit AOA granularity, and a unit ZOA granularity.
[0601] In some schemes, at least one parameter of the i-th condition in the first condition is a range. In Alt1, the power of each path measured within the given range at unit time delay granularity, unit Doppler granularity, unit AOA granularity, and unit ZOA granularity can be reported.
[0602] Understandably, in Alt1, a grid point represents a path.
[0603] In some schemes, at least one parameter of the i-th condition in the first condition is a range. In Alt2, the total power or average power of the path within the measured range can be reported; optionally, there can be multiple non-overlapping measured ranges. The UE can measure the paths within the configured range, determine the path with the strongest power, and report it.
[0604] Total or mean power of grid points around the strongest path (measured latency range / measured Doppler range / measured AOA range / measured ZOA range)
[0605] The total or average power of grid points whose difference from the strongest path power is less than threshold A1 or whose path power is not less than threshold B1.
[0606] In Alt2, the time delay range, Doppler range, AOA range, and ZOA range surrounding the path are understood as the measured range. It can be understood that in Alt2, grid points within the measured time delay range / measured Doppler range / measured AOA range / measured ZOA range can all be considered as the j-th path; that is, grid points within the measured range collectively represent the j-th path.
[0607] An example is as follows: The latency range of the i-th path is configured as 100-250ns (vertical axis, one grid represents 7ns), and the Doppler range is 0-15Hz (horizontal axis, one grid represents 1Hz). Based on actual measurement results, the following Doppler latency power spectrum is obtained, showing the power at different grid points within the latency range of 100-250ns and the Doppler range of 0-15Hz.
[0608] In Alt1, the UE reports the power of the grid point with the strongest power, based on the power of the grid points within the latency range of 200-250ns and the Doppler range of 5-15Hz.
[0609] In Alt2, the UE, based on the power of grid points within a latency range of 200-250ns and a Doppler range of 5-15Hz, filters the grid points according to certain conditions (e.g., the difference between the grid point power and the strongest grid point power is less than threshold A1). It then reports the total power or average power of the filtered grid points. For example, the first measured range includes grid points with a latency range of 210-224ns and a Doppler range of 10-11Hz; the second measured range includes grid points with a latency range of 133-147ns and a Doppler range of 1-2Hz.
[0610] Understandably, in the Alt2 scheme, the range of the i-th parameter configured in the gNB / Sensing function is set A. The UE determines the actual required range of the i-th parameter based on the sensing RS measurement results, which is set B. Set B is a subset of set A. The UE can then report that the actual range of the i-th parameter used is set B.
[0611] Optionally, the UE can determine the measured range of multiple j-th paths based on the spectral peak search algorithm.
[0612] {RSRPP-Sensing#j} forms the i-th power set, and RSRPP-Sensing can include at least one of the following:
[0613] Alt 1: RSRPP-Sensing is the i-th power set
[0614] Alt 2: RSRPP-Sensing is the mean of the i-th power set.
[0615] Alt 3: RSRPP-Sensing is the sum of all elements in the i-th power set.
[0616] Alt 4: RSRPP-Sensing is the minimum value of the i-th power set.
[0617] Alt 5: RSRPP-Sensing is the maximum value of the i-th power set.
[0618] Alt 6: RSRPP-Sensing is the set of RSRPP-Sensing#j that are not less than the threshold in the i-th power set.
[0619] Alt 7: RSRPP-Sensing is the mean of the set of RSRPP-Sensing#j that are not less than the threshold in the i-th power set.
[0620] Alt 8: RSRPP-Sensing is the sum of all elements in the set consisting of RSRPP-Sensing#j that are not less than the threshold in the i-th power set.
[0621] Alt 9: RSRPP-Sensing is the set of the N largest RSRPP-Sensings#j in the i-th power set.
[0622] Alt 10: RSRPP-Sensing is the mean of the set consisting of the N largest RSRPP-Sensings#j in the i-th power set.
[0623] Alt 11: RSRPP-Sensing is the sum of all elements in the set consisting of the N largest RSRPP-Sensings#j in the i-th power set. Assume the i-th path set has I elements.
[0624] In Alt1, RSRPP-Sensing contains I power values. The node / Sensing function receiving measurement feedback can know the accurate value of each path, which helps the node / Sensing function receiving measurement feedback to select a more suitable range of values for the i-th parameter, thus improving the accuracy of the sensing results. However, the feedback overhead is relatively large.
[0625] In Alt2 and Alt3, RSRPP-Sensing includes one power value. The node / Sensing function that receives the measurement feedback can obtain the mean / sum of the elements of the i-th power set, which helps to determine the validity of the i-th path set.
[0626] In Alt 4, RSRPP-Sensing contains one power value. The node / Sensing function that receives measurement feedback can find the minimum value of the element in the i-th power set, which helps to determine whether the value of the i-th parameter range is reasonable.
[0627] In Alt 5 / 6 / 9, RSRPP-Sensing includes one or more larger power values from the i-th power set, allowing the reporting of the most important information while reducing feedback overhead.
[0628] In Alt 7 / 8 / 10 / 11, RSRPP-Sensing includes the mean or sum of one or more larger power values in the i-th power set, which avoids the influence of unimportant paths on the reported results.
[0629] In some embodiments, the first condition can have multiple combinations.
[0630] Combination 1: The i-th parameter uses a range of values, in which case the i-th path set can contain multiple paths.
[0631] The delay of the path in the i-th path set is within the i-th time delay range.
[0632] The Doppler of the path in the i-th path set is within the i-th Doppler range.
[0633] The horizontal receiving angle (AOA) of the path in the i-th path set is within the range of the i-th AOA.
[0634] The vertical reception angle (ZOA) of the path in the i-th path set is within the range of the i-th ZOA.
[0635] Combination 2: Some parameters use range values, while others use specific values. One example is as follows:
[0636] The delay of the path in the i-th path set is within the i-th time delay range.
[0637] The Doppler of the path in the i-th path set is within the i-th Doppler range.
[0638] The AOA value of the path in the i-th path set is AOAi.
[0639] The ZOA value of the path in the i-th path set is ZOAi.
[0640] In Scheme 1-1, by given the delay within the i-th time delay range, the Doppler within the i-th Doppler range, the AOA within the i-th AOA range, and the ZOA within the i-th ZOA range, the characteristics of the paths that need to be reported can be clearly defined, which is used to determine the i-th path set. For example, a path whose delay is not within the i-th time delay range is likely to not pass through the target or pass through the target but with very low power. For example, a path whose Doppler is not within the i-th Doppler range is likely to not pass through the target. For example, a path whose AOA is not within the i-th AOA range is likely to not pass through the target. For example, a path whose ZOA is not within the i-th ZOA range is likely to not pass through the target. Based on these path characteristics, the paths that can be reported are likely to pass through the target and have relatively high power.
[0641] In addition to specifying the characteristics of the path to be reported by giving the delay in the i-th time delay range, the Doppler in the i-th Doppler range, the AOA in the i-th AOA range, and the ZOA in the i-th ZOA range, the characteristics of the path to be reported can also be specified by using the path's delay value Ti, the path's Doppler value Di, the path's AOA value AOAi, and the path's ZOA value ZOAi. In this case, at least one parameter among the multiple parameters can be a range value.
[0642] After receiving the sensing RS, the UE can obtain at least one of the following information for a path: time delay, Doppler, AOA, and ZOA, through signal processing. It can also obtain the received power of that path on the RE of the sensing RS. When sensing a specific target, the UE can report path-level time delay / Doppler / angle / power information of the sensing RS after passing the target (i.e., Sensing Tx-target-Sensing Rx), for initial target sensing and / or continuous target tracking.
[0643] The delay of the sensing RS can be divided into multiple discrete time points according to the time-domain interval granularity T1. The delay of the path obtained after sensing RS processing lies at these discrete time points. Similarly, the Doppler of the sensing RS can be divided into multiple discrete Doppler value points according to the Doppler domain interval granularity D1. The Doppler of the path obtained after sensing RS processing lies at these discrete Doppler value points. The AOA of the sensing RS can be divided into multiple discrete AOA value points according to the AOA interval granularity A1. The AOA of the path obtained after sensing RS processing lies at these discrete AOA value points. The ZOA of the sensing RS can be divided into multiple discrete ZOA value points according to the ZOA interval granularity A2. The ZOA of the path obtained after sensing RS processing lies at these discrete ZOA value points.
[0644] In some cases, T1 and the RS signal sampling rate sampleRate are related; for example, T1 = 1 / sampleRate.
[0645] In some cases, D1 is related to the RS bandwidth (BW), the duration of the RS signal (T0), and the sampling rate (sampleRate). For example, D1 = 1 / T0 / (sampleRate / BW).
[0646] In some cases, AOA and ZOA are related to the sample rate (sampleRate) of the RS signal. For example, A1 = pi / sampleRate; A2 = pi / sampleRate; where Pi represents the radian value as π.
[0647] In some examples, the RS signal bandwidth and RS signal persistence are configured by higher layers, and the RS signal sampling rate is determined according to the UE signal processing implementation scheme or protocol agreement.
[0648] In some examples, the range of the i-th parameter can be determined based on at least one of the following:
[0649] The start position, end position, and number of interval granularities of the i-th parameter range.
[0650] Optionally, the starting position is the index of the discrete point, the ending position is the index of the discrete point, and the number of interval granularities can be understood as the number of discrete points.
[0651] The range of parameter i, the time delay range i, the Doppler range i, the AOA range i, and the ZOA range i are all specified.
[0652] In some schemes, at least one i-th path set can be configured for a sensing RS.
[0653] Multiple sets of the i-th path are used for a single target, meaning that the multiple sets of the i-th path are for the measurement and reporting of the same target, or
[0654] Different sets of the i-th path are used for different targets, that is, different sets of the i-th path are used for the measurement and reporting of different targets.
[0655] In some schemes, only the number of interval granularities is configured for the i-th parameter range. The UE determines the midpoint of the i-th parameter range based on the sensing RS processing result, and then, combined with the number of interval granularities, determines the i-th parameter range that needs to be uploaded. An example is as follows: the UE can determine at least one peak in the two-dimensional spectrum based on the Doppler delay power spectrum determined by the sensing RS. The Doppler discrete point where the peak is located is the midpoint of the i-th Doppler range, and the delay discrete point is the midpoint of the i-th delay range. Based on this, combined with the number of interval granularities, the i-th Doppler range and the i-th delay range are determined. Optionally, discrete points with a delay less than 0 in the determined i-th delay range can be ignored.
[0656] In some schemes, the UE feeds back sensing capabilities to the gNB / Sensing function, including the UE's highest sampling rate, the sampling rate supported by the UE, or the sampling rate supported by the UE under a given sensing RS bandwidth. This capability can be used to configure the number of interval granularities included in the range of the i-th parameter of the gNB / Sensing function.
[0657] In some schemes, other conditions can be used to determine the characteristics of the path that needs to be reported, and this scheme does not restrict that either.
[0658] Scheme 1-2: The sampling rate sampleRate#1 is c2 times the RS signal bandwidth. When c2 is greater than 1, the reported path received power of the sensing RS can be adjusted according to the value RSRPP-Sensing#1 determined in Scheme 1-1 before being reported. The adjusted value is RSRPP-Sensing#2.
[0659] Optionally, RSRPP-Sensing#2 = a * RSRPP-Sensing#1 + b
[0660] Alternatively, a = c², b = 0
[0661] In some embodiments, when the sampling rate sampleRate#1 is not less than c times the signal bandwidth (c times the signal bandwidth can be referred to as sampleRate#0), the number of paths detected by the UE (the set of the i-th path) will increase compared to sampleRate#0. In some examples, the value of c is determined by the protocol or configured by higher layers. In some examples, c is 1. To avoid the influence of the UE sampling rate on the results, the reported information can be determined using one of the following methods:
[0662] Using the sampling rate sampleRate#1, determine RSRPP-Sensing#1 according to scheme 1-1, adjust RSRPP-Sensing#1 and report it. The adjusted value is RSRPP-Sensing#2.
[0663] Optionally, RSRPP-Sensing#2 = a * RSRPP-Sensing#1 + b
[0664] Optionally, a and b are agreed upon in the protocol, such as a = sampleRate#1 / sampleRate#0, b = 0.
[0665] Optionally, at least one of a and b is a high-level configuration.
[0666] Optionally, using the sampling rate sampleRate#1, RSRPP-Sensing#1 is determined according to scheme 1-1. If sampleRate#1 exceeds sampleRate#0, sampleRate#1, sampleRate#1 / sampleRate#0, or RSRPP-Sensing#2 can be reported. If sampleRate#1 equals sampleRate#0, RSRPP-Sensing#1 can be reported. If sampleRate#1 is less than sampleRate#0, no report is made.
[0667] Optionally, the sampling rate sampleRate#1 is used, and RSRPP-Sensing#1 is determined according to scheme 1-1. If sampleRate#1 exceeds sampleRate#0, sampleRate#1, sampleRate#1 / sampleRate#0, or RSRPP-Sensing#2 can be reported; otherwise, no report is made.
[0668] Optionally, using the sampling rate sampleRate#1, RSRPP-Sensing#1 is determined according to scheme 1-1. If sampleRate#1 is not less than sampleRate#0, sampleRate#1, sampleRate#1 / sampleRate#0, or RSRPP-Sensing#2 can be reported; otherwise, no report is made. Optionally, when sampleRate#1 equals sampleRate#0, RSRPP-Sensing#2 equals RSRPP-Sensing#1.
[0669] In some embodiments, the UE measures the sensing RS on the first cell set, reports the path received power of the sensing RS in the second cell, and determines the path received power of the sensing RS in the second cell using scheme 1-1 or 1-2, wherein the second cell is one of the following:
[0670] Each cell in the first set of cells
[0671] The cell with the highest path received power in the sensing RS
[0672] Cells where the path received power of the sensing RS is not less than threshold A
[0673] The top N1 cells with the highest path received power in the sensing RS
[0674] In some embodiments, the UE can measure the perceived RS from multiple cells. Considering the bandwidth and duration of the perceived RS in different cells may vary, the measurement results of the perceived RS in different cells may differ significantly. The UE can feed back the measurement results of each cell to ensure the completeness of the results or feed back the measurement results of some cells to reduce feedback overhead. For example, the second cell is the cell with the highest path received power of the perceived RS. At this time, the path received power of the perceived RS is the highest, and the estimation performance of the perceived RS is better. Cells with a path received power of the perceived RS not less than a threshold / the top N1 cells with the highest path received power of the perceived RS. At this time, the path received power of the perceived RS is relatively large, and the estimation performance of the perceived RS can be guaranteed.
[0675] In some embodiments, the UE can measure sensing RS from multiple UEs. Considering that the bandwidth and duration of the sensing RS transmitting the UE's sensing RS from different sensing RSs may vary, the measurement results of the UE's sensing RS transmitted from different sensing RSs may differ significantly. The UE can feed back the measurement results of each sensing RS to ensure the completeness of the results or feed back the measurement results of only some sensing RSs to reduce feedback overhead. For example, the measurement results of the sensing RS of a second UE are fed back, where the second UE is one of the following:
[0676] Each sensing RS transmits UE
[0677] The UE with the highest received power on the path of the sensing RS
[0678] UEs whose path received power of the sensing RS is not less than threshold B
[0679] The top N2 cells with the highest path received power in the sensing RS
[0680] In some embodiments, the UE simultaneously measures the sensing RS of at least one gNB and the sensing RS of at least one UE, and the second cell and the second UE can be determined respectively in the manner described above.
[0681] In some embodiments, when the bandwidth of multiple sensing RSs measured by the UE is different, the sampling rate used by the UE can be the same.
[0682] In some embodiments, when the UE simultaneously measures multiple sensing RSs with different bandwidths, the sampling rate used by the UE can be different. Optionally, d = samplerate#k / BW#k, where samplerate#k is the sampling rate of the k-th sensing RS, BW#k is the bandwidth of the k-th sensing RS, and d is the same across different sensing RSs.
[0683] Optionally, the path received power of the sensing RS needs to be quantized before reporting, and the quantization step size can be configured by a higher layer. Optionally, when reporting the path received power of multiple sensing RSs, one of the following methods can be used:
[0684] Report the quantized value of the path received power of each sensing RS or
[0685] The system reports the quantized value of max{path received power of the sensing RS}, which is the quantized value of the path received power of the strongest sensing RS. The path received power of other sensing RSs can be reported as the difference or the quantized value of the difference compared to max{path received power of the sensing RS}. The quantized value of the difference can be configured by higher layers.
[0686] In the above scheme, configuration information can be notified to the UE via gNB, network side, or Sensing function.
[0687] In the above scheme, the UE can report the measurement results of the sensing RS to the gNB, the network side, or the sensing function.
[0688] Optionally, scheme 1-1 or 1-2 is applicable to at least one of the gNB-UE bi-static, UE-UE bi-static, and UE-UE monostatic sensing modes.
[0689] Base station side: The base station determines the path received power of the sensed RS signal using the following method.
[0690] Option 1: The base station receives the sensing RS, and uses Option 1-1 or 1-2 on the UE side to determine the path received power of the sensing RS signal.
[0691] The base station can use Scheme 1-1 or Scheme 1-2 to determine the path receiving power of the sensed RS signal, as can be found in the description in Example 1, which will not be repeated here.
[0692] In some embodiments, when a gNB / base station (corresponding to one cell) measures the sensing RS of multiple cells (a first set of cells), the duration may vary depending on the bandwidth of the different sensing RSs, resulting in significant differences in the measurement results of the different sensing RSs. For example, the base station only uses or feeds back the measurement results of the sensing RS of a second cell, which is one of the following:
[0693] Each cell in the first set of cells
[0694] The cell with the highest path received power in the sensing RS
[0695] Cells where the path received power of the sensing RS is not less than the threshold C
[0696] The top N3 cells with the highest path received power in the sensing RS
[0697] The advantages and disadvantages of different second cell selection methods can be found in the description of the UE-side scheme.
[0698] In some embodiments, the base station may measure the sensed RS from multiple UEs. Considering the bandwidth and duration of different sensed RSs, the measurement results of different sensed RSs may vary significantly. For example, the measurement results of the sensed RS of a second UE are fed back or used. The second UE is one of the following:
[0699] Each sensing RS transmits UE
[0700] The UE with the highest received power on the path of the sensing RS
[0701] UEs whose path received power of the sensing RS is not less than threshold D
[0702] The top N4 cells with the highest path received power in the sensing RS
[0703] In some embodiments, the base station may feed back the measurement results of the second cell / second UE to the sensing function node.
[0704] Optionally, the path received power of the sensing RS needs to be quantized before reporting or interaction, and the quantization step size can be configured by a higher layer. Optionally, when reporting the path received power of multiple sensing RSs, one of the following methods can be used:
[0705] Report the quantized value of the path received power of each sensing RS or
[0706] The system reports the quantized value of max{path received power of the sensing RS}, which is the quantized value of the path received power of the strongest sensing RS. The path received power of other sensing RSs can be reported as the difference or the quantized value of the difference compared to max{path received power of the sensing RS}. The quantized value of the difference can be configured by higher layers.
[0707] In some embodiments, the gNB simultaneously measures the sensing RS of at least one gNB and the sensing RS of at least one UE, and the second cell and the second UE can be determined respectively in the manner described above.
[0708] Optionally, Scheme 1 is applicable to at least one of the following sensing modes: UE-gNB bi-static, gNB-gNB bi-static, and gNB-gNB monostatic.
[0709] Optionally, the above-mentioned "method for determining the reference point of the sensing signal RSRPP" can be compared with the aforementioned "method for determining the reference point of SRS-RSRPP".
[0710] Option 2: Receive the path received power of the sensed RS signal fed back by the UE, or the path received power of the sensed RS signal from other gNB interactions, or the path received power of the sensed RS signal indicated by the Sensing function.
[0711] In Scheme 2, the UE uses the UE-side scheme to determine the path receiving power of the sensed RS signal, and the gNB uses Scheme 1 on the gNB side to determine the path receiving power of the sensed RS signal.
[0712] In the above scheme, configuration information can be notified to gNB#1 via gNB#2, the network side, or the Sensing function.
[0713] In the above scheme, gNB#1 can report the measurement results of the sensing RS to gNB#2, the network side, or the sensing function. The fact that gNB#1 can report the measurement results of the sensing RS to gNB#2 can be understood as information exchange between gNB#1 and gNB#2.
[0714] Optionally, Figure 3C is an interactive schematic diagram of the determination method according to an embodiment of the present disclosure. As shown in Figure 3C, an overall flow diagram is as follows:
[0715] Step 1: Send the first message, which includes the RS resource configuration information and the range of the i-th parameter.
[0716] The first information includes the perceived RS resource configuration information, and the range of the i-th parameter.
[0717] Step 2: Determine the path received power of the sensing RS
[0718] Based on the first information, the UE uses either scheme 1-1 or scheme 1-2 to determine the measurement result: the path received power of the sensing RS.
[0719] Step 3: Report the path receiving power of the sensing RS.
[0720] This disclosure also proposes an apparatus (also referred to as a communication device, etc.) for implementing any of the above methods. For example, an apparatus is proposed that includes units or modules for implementing the steps performed by the terminal in any of the above methods. Furthermore, another apparatus is proposed that includes units or modules for implementing the steps performed by a network device (e.g., an access network device, a core network functional node, a core network device, etc.) in any of the above methods.
[0721] It should be understood that the division of units or modules in the above device is only a logical functional division. In actual implementation, they can be fully or partially integrated into a single physical entity, or they can be physically separated. Furthermore, the units or modules in the device can be implemented by a processor calling software: for example, the device includes a processor connected to a memory containing instructions. The processor calls the instructions stored in the memory to implement any of the above methods or to implement the functions of the units or modules in the above device. The processor can be, for example, a general-purpose processor, such as a Central Processing Unit (CPU) or a microprocessor, and the memory can be internal or external to the device. Alternatively, the units or modules in the device can be implemented in the form of hardware circuits. The functionality of some or all of the units or modules can be achieved through the design of these hardware circuits, which can be understood as one or more processors. For example, in one implementation, the hardware circuit is an application-specific integrated circuit (ASIC). The functionality of some or all of the units or modules is achieved through the design of the logical relationships between the components within the circuit. In another implementation, the hardware circuit can be implemented using a programmable logic device (PLD). Taking a field-programmable gate array (FPGA) as an example, it can include a large number of logic gates. The connection relationships between the logic gates are configured through configuration files, thereby achieving the functionality of some or all of the units or modules. All units or modules of the above device can be implemented entirely through processor-called software, entirely through hardware circuits, or partially through processor-called software with the remaining parts implemented through hardware circuits.
[0722] In this embodiment, the processor is a circuit with signal processing capabilities. In one implementation, the processor can be a circuit with instruction read and execute capabilities, such as a Central Processing Unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP). In another implementation, the processor can implement certain functions through the logical relationships of hardware circuits. The logical relationships of the aforementioned hardware circuits are fixed or reconfigurable. For example, the processor is a hardware circuit implemented using an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In a reconfigurable hardware circuit, the process of the processor loading a configuration document and configuring the hardware circuit can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules. Furthermore, it can also be a hardware circuit designed for artificial intelligence, which can be understood as an ASIC, such as a Neural Network Processing Unit (NPU), a Tensor Processing Unit (TPU), or a Deep Learning Processing Unit (DPU).
[0723] Figure 4A is a schematic diagram of the structure of a first device according to an embodiment of this disclosure. The terminal is used to execute any of the above methods. In some embodiments, as shown in Figure 4A, the first device may include at least one of a transceiver module, a processing module, etc. The transceiver module is used to receive a sensing signal; the processing module is used to determine a first reference signal received path power (RSRPP) of the sensing target, the first RSRPP being determined based on the channel response power of at least one first path in a first path set, the first path set being determined based on at least one second path, wherein the second path is used to transmit the sensing signal, and the second path includes a path passing through the sensing target.
[0724] Optionally, the transceiver module is used to perform at least one of the communication steps such as sending and / or receiving performed by the first device in any of the above methods, which will not be elaborated here. Optionally, the processing module is used to perform at least one of the other steps performed by the first device in any of the above methods, which will not be elaborated here.
[0725] Optionally, the second path is determined based on a first condition corresponding to the perceived target, wherein the first condition includes at least one of the following:
[0726] The delay value is within the first delay range;
[0727] The delay value is the first delay value;
[0728] Doppler values are within the first Doppler range;
[0729] The Doppler value is the first Doppler value;
[0730] The horizontal receiving angle (AOA) value is within the first AOA range;
[0731] The AOA value is the first AOA value;
[0732] The vertical receiving angle ZOA value is within the first ZOA range;
[0733] The ZOA value is the first ZOA value.
[0734] Optionally, the first condition is used to determine the path that passes through the sensing target and whose channel response power is greater than a first threshold.
[0735] Optionally, the method further includes:
[0736] Determine the N paths in the first path set that include the at least one second path and have the highest channel response power, where N is a positive integer; or
[0737] The first set of paths is determined to include the second path.
[0738] Optionally, the method further includes:
[0739] A first region is determined from the power spectrum of the sensed signal, wherein the power spectrum includes at least one of the following dimensions: time delay dimension, Doppler dimension, AOA dimension, and ZOA dimension. The power spectrum is used to represent the channel response power of different dimensional paths of the sensed signal, wherein the path included in the first region is the second path.
[0740] Identify at least one power peak in the first region;
[0741] At least one second path set is determined from the first region based on at least one power peak, and different power peaks correspond to different second path sets. The second path set includes at least two paths from a third path and at least one fourth path. The third path is the path corresponding to the power peak, and the fourth path satisfies a second condition.
[0742] All paths in a second path set are identified as the first path, and the channel response power of the first path is the sum or average of the channel response powers of multiple paths in the second path set.
[0743] Optionally, the second condition includes at least one of the following:
[0744] The interval between the third path and the fourth path in the time delay dimension is less than the second time delay value;
[0745] The distance between the third path and the fourth path in the Doppler dimension is less than the second Doppler value;
[0746] The interval between the third path and the fourth path in the AOA dimension is smaller than the second AOA value;
[0747] The interval between the third path and the fourth path in the ZOA dimension is smaller than the second ZOA value;
[0748] The absolute value of the difference between the channel response power of the third path and the channel response power of the fourth path is less than the second threshold.
[0749] The channel response power of the fourth path is greater than the third threshold.
[0750] Optionally, the first RSRPP includes at least one of the following:
[0751] Channel response power for all first paths;
[0752] The mean of the channel response power of all first paths;
[0753] The sum of the channel response power of all first paths;
[0754] The minimum channel response power of all first paths;
[0755] The maximum value among all channel response powers of the first path;
[0756] The power of the channel response power of all first paths that is not less than the first power threshold;
[0757] The average of the channel response powers of all first paths that are not less than the first power threshold;
[0758] The sum of the channel response powers of all first paths that are not less than the first power threshold;
[0759] The M largest powers among all the channel response powers of the first path;
[0760] The mean of the M largest power values among the channel response powers of all first paths;
[0761] The sum of the M largest power values among the channel response powers of all first paths; where M is a positive integer.
[0762] Optionally, the method further includes:
[0763] If the first RSRPP is greater than the fourth threshold, a first report is sent to the second device. The first report is used to indicate the first RSRPP or the second RSRPP, and the second RSRPP is determined based on the first RSRPP.
[0764] Optionally, sending the first report to the second device includes:
[0765] The sampling rate is not less than c times the bandwidth of the sensed signal. The second RSRPP is determined based on the first RSRPP, where the second RSRPP = a × first RSRPP + b. a and b are agreed upon by the protocol, and / or a and b are pre-configured to the first device. The sampling rate is the sampling rate used by the first device to determine the first RSRPP, and c is agreed upon by the protocol, and / or c is pre-configured to the first device.
[0766] A first report is sent to the second device, the first report indicating the second RSRPP; wherein, when the first report indicates the second RSRPP, the first report includes at least one of the following: the second RSRPP, the quantized value of the second RSRPP, or, the first report includes at least one of the following: the first RSRPP, the quantized value of the first RSRPP, the sampling rate, the ratio between the sampling rate and a first value; wherein, the first value is c times the bandwidth of the sensed signal.
[0767] Optionally, sending the first report to the second device includes:
[0768] If the sampling rate is less than c times the bandwidth of the sensed signal, a first report is sent to the second device. The first report is used to indicate the first RSRPP. When the first report indicates the first RSRPP, the first report includes at least one of the following: the first RSRPP, the quantized value of the first RSRPP.
[0769] Optionally, the method further includes:
[0770] If the sampling rate is less than c times the bandwidth of the sensed signal, no first report is sent. The sampling rate is the sampling rate used by the first device when determining the first RSRPP, and c is agreed upon by the protocol and / or c is pre-configured to the first device.
[0771] Optionally, when different sensing signals have different bandwidths, the sampling rate corresponding to the different sensing signals is the same; or
[0772] When different sensing signals have different bandwidths, the sampling rates corresponding to the different sensing signals are different; wherein, the second value corresponding to different sensing signals is the same, and the second value is: the ratio between the sampling rate corresponding to the sensing signal and the bandwidth of the sensing signal.
[0773] Optionally, when the first report includes the quantized value of the first RSRPP, the first report includes the quantized value of each first RSRPP; or, the first report includes: the quantized value of the largest first RSRPP among all first RSRPPs, and the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP; or, the first report includes: the quantized value of the largest first RSRPP and the quantized value of the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP.
[0774] When the first report includes the quantized value of the second RSRPP, the first report includes the quantized value of each second RSRPP; or, the first report includes: the quantized value of the largest second RSRPP among all second RSRPPs, and the difference between each second RSRPP other than the largest second RSRPP and the largest second RSRPP; or, the first report includes: the quantized value of the largest second RSRPP and the quantized value of the difference between each second RSRPP other than the largest second RSRPP and the largest second RSRPP.
[0775] Optionally, when the first device receives the sensing signals sent by different first cells, the first report includes the first RSRPP or the second RSRPP corresponding to the sensing signal of the second cell;
[0776] The second cell includes at least one of the following:
[0777] Each first community;
[0778] The cell with the largest first RSRPP or second RSRPP in the first cell;
[0779] The first cell is a cell in which the first RSRPP or the second RSRPP is not less than the fifth threshold;
[0780] The top N1 cells with the largest first or second RSRPP in the first cell, where N1 is a positive integer.
[0781] Optionally, when the first device receives the sensing signals sent by different first terminals, the first report includes the first RSRPP or the second RSRPP corresponding to the sensing signal of the second terminal;
[0782] The second terminal includes at least one of the following:
[0783] Each first terminal;
[0784] The terminal with the largest first RSRPP or second RSRPP in the first terminal;
[0785] The first terminal is a terminal in which the first RSRPP or the second RSRPP is not less than the sixth threshold;
[0786] The top N2 terminals with the largest first or second RSRPP in the first terminal, where N2 is a positive integer.
[0787] Optionally, the method further includes:
[0788] The device receives configuration information sent by a second device, the configuration information being used to configure at least one of the following: a first condition, a second condition, the resource location of the sensing signal, the bandwidth of the sensing signal, and the duration of the sensing signal.
[0789] Optionally, the configuration information is used to configure the first condition, including:
[0790] The configuration information is used to configure at least one of the following:
[0791] The starting position of the first time delay range;
[0792] The end position of the first time delay range;
[0793] The number of delay values within the first delay range;
[0794] First delay value;
[0795] The starting position of the first Doppler range;
[0796] The end position of the first Doppler range;
[0797] The number of Doppler values within the first Doppler range;
[0798] First Doppler value;
[0799] The starting position of the first AOA range;
[0800] The end position of the first AOA range;
[0801] The number of AOA values within the first AOA range;
[0802] First AOA value;
[0803] The starting position of the first ZOA range;
[0804] The end position of the first ZOA range;
[0805] The number of ZOA values within the first ZOA range;
[0806] First ZOA value.
[0807] Optionally, when the configuration information is configured with the number of delay values within the first delay range, the number of Doppler values within the first Doppler range, the number of AOA values within the first AOA range, and the number of ZOA values within the first ZOA range; the method further includes:
[0808] Determine the power peak value in the power spectrum of the sensed signal; the power spectrum includes at least one of the following dimensions: time delay dimension, Doppler dimension, AOA dimension, ZOA dimension; the power spectrum is used to represent the channel response power of the sensed signal in different dimensional paths;
[0809] Based on the power peak, determine at least one of the following: the midpoint of the first time delay range, the midpoint of the first Doppler range, the midpoint of the first AOA range, and the midpoint of the first ZOA range;
[0810] The starting position and ending position of the first delay range are determined based on the midpoint of the first delay range and the number of delay values within the first delay range.
[0811] The starting position and ending position of the first Doppler range are determined based on the midpoint of the first Doppler range and the number of Doppler values within the first Doppler range.
[0812] The starting position and ending position of the first AOA range are determined based on the midpoint of the first AOA range and the number of AOA values within the first AOA range.
[0813] The starting position and ending position of the first ZOA range are determined based on the midpoint of the first ZOA range and the number of ZOA values within the first ZOA range.
[0814] Optionally, the time-delay domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate;
[0815] The Doppler domain granularity of the power spectrum of the sensed signal is determined based on at least one of the bandwidth of the sensed signal, the duration of the sensed signal, and the sampling rate.
[0816] The AOA domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate;
[0817] The ZOA domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate;
[0818] The sampling rate is the sampling rate used by the first device to determine the first RSRPP.
[0819] Optionally, the method further includes:
[0820] The capability information is sent to the second device to indicate at least one of the following: the highest sampling rate of the first device, the sampling rate supported by the first device, and the sampling rate supported by the first device within the bandwidth of the sensed signal; wherein the capability information is used by the second device to determine at least one of the following: the number of delay values within a first delay range, the number of Doppler values within a first Doppler range, the number of AOA values within a first AOA range, and the number of ZOA values within a first ZOA range.
[0821] Optionally, the first device is a terminal or an access network device, and the second device is any one of an access network device, a core network device, or a sensing function SF network element.
[0822] Figure 4B is a schematic diagram of the structure of a second device according to an embodiment of this disclosure. The second device is used to perform any of the above methods. In some embodiments, as shown in Figure 4B, the second device may include at least one of a transceiver module, a processing module, etc. The processing module is used to determine a first report, the first report being used to indicate a first reference signal received path power (RSRPP) or a second RSRPP of a sensed target, the first RSRPP being determined based on the channel response power of at least one first path in a first path set, the first path set being determined based on at least one second path, wherein the second path is used to transmit the sensed signal, the second path includes a path passing through the sensed target, and the second RSRPP is determined according to the first RSRPP.
[0823] Optionally, the transceiver module is used to perform at least one of the communication steps such as sending and / or receiving performed by the second device in any of the above methods, which will not be elaborated here. Optionally, the processing module is used to perform at least one of the other steps performed by the second device in any of the above methods, which will not be elaborated here.
[0824] Optionally, the second RSRPP = a × the first RSRPP + b; a and b are agreed upon by the protocol, and / or a and b are determined by the second device.
[0825] Optionally, the second path is determined based on a first condition corresponding to the perceived target, wherein the first condition includes at least one of the following:
[0826] The delay value is within the first delay range;
[0827] The delay value is the first delay value;
[0828] Doppler values are within the first Doppler range;
[0829] The Doppler value is the first Doppler value;
[0830] The horizontal receiving angle (AOA) value is within the first AOA range;
[0831] The AOA value is the first AOA value;
[0832] The vertical receiving angle ZOA value is within the first ZOA range;
[0833] The ZOA value is the first ZOA value.
[0834] Optionally, the first condition is used to determine the path that passes through the sensing target and whose channel response power is greater than a first threshold.
[0835] Optionally, the first path set includes the N paths with the highest channel response power among the at least one second path; or
[0836] The first set of paths includes the second path.
[0837] Optionally, the first path includes all paths in a second path set, and the channel response power of the first path is the sum or average of the channel response power of multiple paths in the second path set.
[0838] Wherein, the second path set includes at least two paths from the third path and at least one fourth path; the third path is the path corresponding to the power peak in the first region, the first region includes at least one power peak, different power peaks correspond to different second path sets, the first region is a region in the power spectrum of the sensed signal, the dimensions of the power spectrum include at least one of the following: time delay dimension, Doppler dimension, AOA dimension, ZOA dimension, the power spectrum is used to represent the channel response power of the sensed signal in different dimensional paths, the path included in the first region is the second path; and the fourth path satisfies the second condition.
[0839] Optionally, the second condition includes at least one of the following:
[0840] The interval between the third path and the fourth path in the time delay dimension is less than the second time delay value;
[0841] The distance between the third path and the fourth path in the Doppler dimension is less than the second Doppler value;
[0842] The interval between the third path and the fourth path in the AOA dimension is smaller than the second AOA value;
[0843] The interval between the third path and the fourth path in the ZOA dimension is smaller than the second ZOA value;
[0844] The absolute value of the difference between the channel response power of the third path and the channel response power of the fourth path is less than the second threshold.
[0845] The channel response power of the fourth path is greater than the third threshold.
[0846] Optionally, the first RSRPP includes at least one of the following:
[0847] Channel response power for all first paths;
[0848] The mean of the channel response power of all first paths;
[0849] The sum of the channel response power of all first paths;
[0850] The minimum channel response power of all first paths;
[0851] The maximum value among all channel response powers of the first path;
[0852] The power of the channel response power of all first paths that is not less than the first power threshold;
[0853] The average of the channel response powers of all first paths that are not less than the first power threshold;
[0854] The sum of the channel response powers of all first paths that are not less than the first power threshold;
[0855] The M largest powers among all the channel response powers of the first path;
[0856] The mean of the M largest power values among the channel response powers of all first paths;
[0857] The sum of the M largest power values among the channel response powers of all first paths; where M is a positive integer.
[0858] Optionally, determining the first report includes:
[0859] Receive the first report sent by the first device;
[0860] Wherein, when the first report indicates the second RSRPP, the first report includes at least one of the following: the second RSRPP, the quantized value of the second RSRPP; or, the first report includes at least one of the following: the first RSRPP, the quantized value of the first RSRPP, the sampling rate, the ratio between the sampling rate and the first value; or
[0861] When the first report indicates the first RSRPP, the first report includes at least one of the following: the first RSRPP, the quantized value of the first RSRPP;
[0862] Wherein, the sampling rate is the sampling rate used by the first device when determining the first RSRPP, the first value is c times the bandwidth of the sensed signal, c is agreed upon by the protocol, and / or c is determined by the second device.
[0863] Optionally, when different sensing signals have different bandwidths, the sampling rate corresponding to the different sensing signals is the same; or
[0864] When different sensing signals have different bandwidths, the sampling rates corresponding to the different sensing signals are different; wherein, the second value corresponding to different sensing signals is the same, and the second value is: the ratio between the sampling rate corresponding to the sensing signal and the bandwidth of the sensing signal.
[0865] Optionally, when the first report includes the quantized value of the first RSRPP, the first report includes the quantized value of each first RSRPP; or, the first report includes: the quantized value of the largest first RSRPP among all first RSRPPs, and the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP; or, the first report includes: the quantized value of the largest first RSRPP and the quantized value of the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP.
[0866] When the first report includes the quantized value of the second RSRPP, the first report includes the quantized value of each second RSRPP; or, the first report includes: the quantized value of the largest second RSRPP among all second RSRPPs, and the difference between each second RSRPP other than the largest second RSRPP and the largest second RSRPP; or, the first report includes: the quantized value of the largest second RSRPP and the quantized value of the difference between each second RSRPP other than the largest second RSRPP and the largest second RSRPP.
[0867] Optionally, the method further includes:
[0868] The first device is sent configuration information, which is used to configure at least one of the following: a first condition, a second condition, the resource location of the sensing signal, the bandwidth of the sensing signal, and the duration of the sensing signal.
[0869] Optionally, the configuration information is used to configure the first condition, including:
[0870] The configuration information is used to configure at least one of the following:
[0871] The starting position of the first time delay range;
[0872] The end position of the first time delay range;
[0873] The number of delay values within the first delay range;
[0874] First delay value;
[0875] The starting position of the first Doppler range;
[0876] The end position of the first Doppler range;
[0877] The number of Doppler values within the first Doppler range;
[0878] First Doppler value;
[0879] The starting position of the first AOA range;
[0880] The end position of the first AOA range;
[0881] The number of AOA values within the first AOA range;
[0882] First AOA value;
[0883] The starting position of the first ZOA range;
[0884] The end position of the first ZOA range;
[0885] The number of ZOA values within the first ZOA range;
[0886] First ZOA value.
[0887] Optionally, the time-delay domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate;
[0888] The Doppler domain granularity of the power spectrum of the sensed signal is determined based on at least one of the bandwidth of the sensed signal, the duration of the sensed signal, and the sampling rate.
[0889] The AOA domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate;
[0890] The ZOA domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate;
[0891] The power spectrum is used to represent the channel response power of the sensing signal in different dimensional paths, and the sampling rate is the sampling rate used by the first device to determine the first RSRPP.
[0892] Optionally, the method further includes:
[0893] The second device receives capability information sent by the first device, the capability information indicating at least one of the following: the highest sampling rate of the first device, the sampling rate supported by the first device, and the sampling rate supported by the first device within the bandwidth of the sensed signal; wherein the capability information is used by the second device to determine at least one of the following: the number of delay values within a first delay range, the number of Doppler values within a first Doppler range, the number of AOA values within a first AOA range, and the number of ZOA values within a first ZOA range.
[0894] Optionally, the first device is a terminal or an access network device, and the second device is any one of an access network device, a core network device, or a sensing function SF network element.
[0895] Figure 5A is a schematic diagram of the structure of the communication device 5100 proposed in an embodiment of this disclosure. The communication device 5100 can be a network device (e.g., access network device, core network device, etc.), a terminal (e.g., user equipment, etc.), a chip, chip system, or processor that supports the network device in implementing any of the above methods, or a chip, chip system, or processor that supports the terminal in implementing any of the above methods. The communication device 5100 can be used to implement the methods described in the above method embodiments; for details, please refer to the descriptions in the above method embodiments.
[0896] As shown in Figure 5A, the communication device 5100 is used to execute any of the above methods. In some embodiments, the communication device 5100 includes one or more processors 5101. The processor 5101 may be a general-purpose processor or a special-purpose processor, such as a baseband processor or a central processing unit. The baseband processor may be used to process communication protocols and communication data, and the central processing unit may be used to control communication devices (e.g., base stations, baseband chips, terminal devices, terminal device chips, DUs or CUs, etc.), execute programs, and process program data. Optionally, the communication device 5100 is used to execute any of the above methods. Optionally, one or more processors 5101 are used to invoke instructions to cause the communication device 5100 to execute any of the above methods.
[0897] In some embodiments, the communication device 5100 further includes one or more transceivers 5102. When the communication device 5100 includes one or more transceivers 5102, the transceiver 5102 performs at least one of the communication steps such as sending and / or receiving in the above-described method, and the processor 5101 performs at least one of the other steps. In optional embodiments, the transceiver may include a receiver and / or a transmitter, which may be separate or integrated. Optionally, the terms transceiver, transceiver unit, transceiver, transceiver circuit, interface circuit, interface, etc., can be used interchangeably; the terms transmitter, transmitting unit, transmitter, transmitting circuit, etc., can be used interchangeably; the terms receiver, receiving unit, receiver, receiving circuit, etc., can be used interchangeably.
[0898] In some embodiments, the communication device 5100 further includes one or more memories 5103 for storing data and / or instructions. Optionally, one or more processors 5101 are used to invoke instructions stored in the memory 5103 to cause the communication device 5100 to perform any of the above methods. Optionally, all or part of the memory 5103 may also be located outside the communication device 5100. In an optional embodiment, the communication device 5100 may include one or more interface circuits 5104. Optionally, the interface circuit 5104 is connected to the memory 5102 and can be used to receive data and / or instructions from the memory 5102 or other devices, and can be used to send data and / or instructions to the memory 5102 or other devices. For example, the interface circuit 5104 can read data and / or instructions stored in the memory 5102 and send the data and / or instructions to the processor 5101.
[0899] The communication device 5100 described in the above embodiments may be a network device or a terminal, but the scope of the communication device 5100 described in this disclosure is not limited thereto, and the structure of the communication device 5100 may not be limited by FIG. 5A. The communication device may be a standalone device or may be part of a larger device. For example, the communication device may be: (1) a standalone integrated circuit IC, or chip, or chip system or subsystem; (2) a collection of one or more ICs, optionally, the IC collection may also include storage components for storing data, programs and / or instructions; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, terminal device, smart terminal device, cellular phone, wireless device, handheld device, mobile unit, vehicle device, network device, cloud device, artificial intelligence device, etc.; (6) others, etc.
[0900] Figure 5B is a schematic diagram of the structure of chip 5200 according to an embodiment of this disclosure. For cases where the communication device 5100 can be a chip or a chip system, please refer to the schematic diagram of chip 5200 shown in Figure 5B, but it is not limited thereto.
[0901] Chip 5200 includes one or more processors 5201. Chip 5200 is used to perform any of the methods described above.
[0902] In some embodiments, chip 5200 further includes one or more interface circuits 5202. Optionally, terms such as interface circuit, interface, and transceiver pin can be used interchangeably. In some embodiments, chip 5200 further includes one or more memories 5203 for storing data and / or instructions. Optionally, all or part of the memories 5203 may be located outside of chip 5200. Optionally, the interface circuit 5202 is connected to the memories 5203, and the interface circuit 5202 can be used to receive data and / or instructions from the memories 5203 or other devices, and the interface circuit 5202 can be used to send data and / or instructions to the memories 5203 or other devices. For example, the interface circuit 5202 can read data and / or instructions stored in the memories 5203 and send the data and / or instructions to the processor 5201.
[0903] In some embodiments, the interface circuit 5202 performs at least one of the communication steps, such as sending and / or receiving, in the above-described method. For example, the interface circuit 5202 performing the communication steps, such as sending and / or receiving, in the above-described method means that the interface circuit 5202 performs data and / or instruction interaction between the processor 5201, the chip 5200, the memory 5203, or the transceiver device. In some embodiments, the processor 5201 performs at least one of the other steps.
[0904] The modules and / or devices described in the various embodiments, such as virtual devices, physical devices, and chips, can be combined or separated arbitrarily as needed. Optionally, some or all steps can also be performed collaboratively by multiple modules and / or devices, which is not limited here.
[0905] This disclosure also proposes a storage medium storing instructions that, when executed on a communication device, cause the communication device to perform any of the above methods. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer-readable storage medium, but not limited thereto; it may also be a storage medium readable by other devices. Optionally, the storage medium may be a non-transitory storage medium, but not limited thereto; it may also be a temporary storage medium.
[0906] This disclosure also proposes a program product, including a program and / or instructions, which, when executed by a communication device, cause the communication device to perform any of the above methods. Optionally, the program product is a computer program product. Optionally, the program product is stored on the storage medium.
[0907] This disclosure also proposes a computer program that, when run on a computer, causes the computer to perform any of the above methods.
[0908] In the above embodiments, implementation can be achieved, in whole or in part, through software, hardware, firmware, or any combination thereof. When implemented in software, it can be implemented, in whole or in part, as a computer program product. The computer program product includes one or more computer programs. When the computer program is loaded and executed on a computer, all or part of the processes or functions described in the embodiments of this disclosure are generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer program can be stored in a computer-readable storage medium or transferred from one computer-readable storage medium to another. For example, the computer program can be transferred from one website, computer, server, or data center to another via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium can be any available medium accessible to a computer or a data storage device such as a server or data center that integrates one or more available media. The available media may be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., high-density digital video discs (DVDs)), or semiconductor media (e.g., solid-state drives (SSDs)).
[0909] Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this disclosure.
[0910] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.
[0911] The above description is merely a specific embodiment of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.
Claims
1. A method for determining, characterized in that, Performed by a first device, the method includes: Receive sensing signals; A first reference signal received path power (RSRPP) is determined for the sensing target. The first RSRPP is determined based on the channel response power of at least one first path in a first path set. The first path set is determined based on at least one second path, wherein the second path is used to transmit the sensing signal and includes a path passing through the sensing target.
2. The method as described in claim 1, characterized in that, The second path is determined based on a first condition corresponding to the perceived target, wherein the first condition includes at least one of the following: The delay value is within the first delay range; The delay value is the first delay value; Doppler values are within the first Doppler range; The Doppler value is the first Doppler value; The horizontal receiving angle (AOA) value is within the first AOA range; The AOA value is the first AOA value; The vertical receiving angle ZOA value is within the first ZOA range; The ZOA value is the first ZOA value.
3. The method as described in claim 2, characterized in that, The first condition is used to determine the path that passes through the sensing target and whose channel response power is greater than a first threshold.
4. The method according to any one of claims 1-3, characterized in that, The method further includes: Determine the N paths in the first path set that include the at least one second path and have the highest channel response power, where N is a positive integer; or The first set of paths is determined to include the second path.
5. The method according to any one of claims 1-4, characterized in that, The method further includes: A first region is determined from the power spectrum of the sensed signal, wherein the power spectrum includes at least one of the following dimensions: time delay dimension, Doppler dimension, AOA dimension, and ZOA dimension. The power spectrum is used to represent the channel response power of different dimensional paths of the sensed signal, wherein the path included in the first region is the second path. Identify at least one power peak in the first region; At least one second path set is determined from the first region based on at least one power peak, and different power peaks correspond to different second path sets. The second path set includes at least two paths from a third path and at least one fourth path. The third path is the path corresponding to the power peak, and the fourth path satisfies a second condition. All paths in a second path set are identified as the first path, and the channel response power of the first path is the sum or average of the channel response powers of multiple paths in the second path set.
6. The method as described in claim 5, characterized in that, The second condition includes at least one of the following: The interval between the third path and the fourth path in the time delay dimension is less than the second time delay value; The distance between the third path and the fourth path in the Doppler dimension is less than the second Doppler value; The interval between the third path and the fourth path in the AOA dimension is smaller than the second AOA value; The interval between the third path and the fourth path in the ZOA dimension is smaller than the second ZOA value; The absolute value of the difference between the channel response power of the third path and the channel response power of the fourth path is less than the second threshold. The channel response power of the fourth path is greater than the third threshold.
7. The method according to any one of claims 1-6, characterized in that, The first RSRPP includes at least one of the following: Channel response power for all first paths; The mean of the channel response power of all first paths; The sum of the channel response power of all first paths; The minimum channel response power of all first paths; The maximum value among all channel response powers of the first path; The power of the channel response power of all first paths that is not less than the first power threshold; The average of the channel response powers of all first paths that are not less than the first power threshold; The sum of the channel response powers of all first paths that are not less than the first power threshold; The M largest powers among all the channel response powers of the first path; The mean of the M largest power values among the channel response powers of all first paths; The sum of the M largest power values among the channel response powers of all first paths; where M is a positive integer.
8. The method according to any one of claims 1-7, characterized in that, The method further includes: If the first RSRPP is greater than the fourth threshold, a first report is sent to the second device. The first report is used to indicate the first RSRPP or the second RSRPP, and the second RSRPP is determined based on the first RSRPP.
9. The method as described in claim 8, characterized in that, Sending the first report to the second device includes: The sampling rate is not less than c times the bandwidth of the sensed signal. The second RSRPP is determined based on the first RSRPP, where the second RSRPP = a × first RSRPP + b. a and b are agreed upon by the protocol, and / or a and b are pre-configured to the first device. The sampling rate is the sampling rate used by the first device to determine the first RSRPP, and c is agreed upon by the protocol, and / or c is pre-configured to the first device. A first report is sent to the second device, the first report indicating the second RSRPP; wherein, when the first report indicates the second RSRPP, the first report includes at least one of the following: the second RSRPP, the quantized value of the second RSRPP, or, the first report includes at least one of the following: the first RSRPP, the quantized value of the first RSRPP, the sampling rate, the ratio between the sampling rate and a first value; wherein, the first value is c times the bandwidth of the sensed signal.
10. The method as described in claim 8, characterized in that, Sending the first report to the second device includes: If the sampling rate is less than c times the bandwidth of the sensed signal, a first report is sent to the second device. The first report is used to indicate the first RSRPP. When the first report indicates the first RSRPP, the first report includes at least one of the following: the first RSRPP, the quantized value of the first RSRPP.
11. The method according to any one of claims 1-7, characterized in that, The method further includes: If the sampling rate is less than c times the bandwidth of the sensed signal, no first report is sent. The sampling rate is the sampling rate used by the first device when determining the first RSRPP, and c is agreed upon by the protocol and / or c is pre-configured to the first device.
12. The method as described in any one of claims 9-11, characterized in that, When different sensed signals have different bandwidths, the sampling rates corresponding to the different sensed signals are the same; or When different sensing signals have different bandwidths, the sampling rates corresponding to the different sensing signals are different; wherein, the second value corresponding to different sensing signals is the same, and the second value is: the ratio between the sampling rate corresponding to the sensing signal and the bandwidth of the sensing signal.
13. The method as described in claim 9 or 10, characterized in that, When the first report includes the quantized value of the first RSRPP, the first report includes the quantized value of each first RSRPP; or, the first report includes: the quantized value of the largest first RSRPP among all first RSRPPs, and the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP; or, the first report includes: the quantized value of the largest first RSRPP and the quantized value of the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP. When the first report includes the quantized value of the second RSRPP, the first report includes the quantized value of each second RSRPP; or, the first report includes: the quantized value of the largest second RSRPP among all second RSRPPs, and the difference between each second RSRPP other than the largest second RSRPP and the largest second RSRPP; or, the first report includes: the quantized value of the largest second RSRPP and the quantized value of the difference between each second RSRPP other than the largest second RSRPP and the largest second RSRPP.
14. The method according to any one of claims 8-13, characterized in that, When the first device receives the sensing signals sent by different first cells, the first report includes the first RSRPP or the second RSRPP corresponding to the sensing signal of the second cell; The second cell includes at least one of the following: Each first community; The cell with the largest first RSRPP or second RSRPP in the first cell; The first cell is a cell in which the first RSRPP or the second RSRPP is not less than the fifth threshold; The top N1 cells with the largest first or second RSRPP in the first cell, where N1 is a positive integer.
15. The method as described in any one of claims 8-13, characterized in that, When the first device receives the sensing signals sent by different first terminals, the first report includes the first RSRPP or the second RSRPP corresponding to the sensing signal of the second terminal; The second terminal includes at least one of the following: Each first terminal; The terminal with the largest first RSRPP or second RSRPP in the first terminal; The first terminal is a terminal in which the first RSRPP or the second RSRPP is not less than the sixth threshold; The top N2 terminals with the largest first or second RSRPP in the first terminal, where N2 is a positive integer.
16. The method according to any one of claims 1-15, characterized in that, The method further includes: The device receives configuration information sent by a second device, the configuration information being used to configure at least one of the following: a first condition, a second condition, the resource location of the sensing signal, the bandwidth of the sensing signal, and the duration of the sensing signal.
17. The method as described in claim 16, characterized in that, The configuration information is used to configure the first condition, including: The configuration information is used to configure at least one of the following: The starting position of the first time delay range; The end position of the first time delay range; The number of delay values within the first delay range; First delay value; The starting position of the first Doppler range; The end position of the first Doppler range; Number of Doppler values within the first Doppler range; First Doppler value; The starting position of the first AOA range; The end position of the first AOA range; The number of AOA values within the first AOA range; First AOA value; The starting position of the first ZOA range; The end position of the first ZOA range; The number of ZOA values within the first ZOA range; First ZOA value.
18. The method as described in claim 17, characterized in that, When the configuration information configures the number of delay values within the first delay range, the number of Doppler values within the first Doppler range, the number of AOA values within the first AOA range, and the number of ZOA values within the first ZOA range; the method further includes: Determine the power peak value in the power spectrum of the sensed signal; the power spectrum includes at least one of the following dimensions: time delay dimension, Doppler dimension, AOA dimension, ZOA dimension; the power spectrum is used to represent the channel response power of the sensed signal in different dimensional paths; Based on the power peak, determine at least one of the following: the midpoint of the first time delay range, the midpoint of the first Doppler range, the midpoint of the first AOA range, and the midpoint of the first ZOA range; The starting position and ending position of the first delay range are determined based on the midpoint of the first delay range and the number of delay values within the first delay range. The starting position and ending position of the first Doppler range are determined based on the midpoint of the first Doppler range and the number of Doppler values within the first Doppler range. The starting position and ending position of the first AOA range are determined based on the midpoint of the first AOA range and the number of AOA values within the first AOA range. The starting position and ending position of the first ZOA range are determined based on the midpoint of the first ZOA range and the number of ZOA values within the first ZOA range.
19. The method as described in claim 18, characterized in that, The time-delay domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate; The Doppler domain granularity of the power spectrum of the sensed signal is determined based on at least one of the bandwidth of the sensed signal, the duration of the sensed signal, and the sampling rate. The AOA domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate; The ZOA domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate; The sampling rate is the sampling rate used by the first device to determine the first RSRPP.
20. The method according to any one of claims 8-19, characterized in that, The method further includes: The capability information is sent to the second device to indicate at least one of the following: the highest sampling rate of the first device, the sampling rate supported by the first device, and the sampling rate supported by the first device within the bandwidth of the sensed signal; wherein the capability information is used by the second device to determine at least one of the following: the number of delay values within a first delay range, the number of Doppler values within a first Doppler range, the number of AOA values within a first AOA range, and the number of ZOA values within a first ZOA range.
21. The method according to any one of claims 8-20, characterized in that, The first device is a terminal or an access network device, and the second device is any one of an access network device, a core network device, or a sensing function SF network element.
22. A method for determining, characterized in that, Performed by a second device, the method includes: A first report is determined, which indicates a first reference signal received path power (RSRPP) or a second RSRPP for a sensed target. The first RSRPP is determined based on the channel response power of at least one first path in a first path set, which is determined based on at least one second path. The second path is used to transmit the sensed signal and includes a path passing through the sensed target. The second RSRPP is determined based on the first RSRPP.
23. The method as described in claim 22, characterized in that, The second RSRPP = a × the first RSRPP + b; a and b are agreed upon by the protocol, and / or a and b are determined by the second device.
24. The method as described in claim 22 or 23, characterized in that, The second path is determined based on a first condition corresponding to the perceived target, wherein the first condition includes at least one of the following: The delay value is within the first delay range; The delay value is the first delay value; Doppler values are within the first Doppler range; The Doppler value is the first Doppler value; The horizontal receiving angle (AOA) value is within the first AOA range; The AOA value is the first AOA value; The vertical receiving angle ZOA value is within the first ZOA range; The ZOA value is the first ZOA value.
25. The method as described in claim 24, characterized in that, The first condition is used to determine the path that passes through the sensing target and whose channel response power is greater than a first threshold.
26. The method as described in any one of claims 22-25, characterized in that, The first path set includes the N paths with the highest channel response power among the at least one second path; or The first set of paths includes the second path.
27. The method according to any one of claims 22-25, characterized in that, The first path includes all paths in a second path set, and the channel response power of the first path is the sum or average of the channel response power of multiple paths in the second path set. Wherein, the second path set includes at least two paths from the third path and at least one fourth path; the third path is the path corresponding to the power peak in the first region, the first region includes at least one power peak, different power peaks correspond to different second path sets, the first region is a region in the power spectrum of the sensed signal, the dimensions of the power spectrum include at least one of the following: time delay dimension, Doppler dimension, AOA dimension, ZOA dimension, the power spectrum is used to represent the channel response power of the sensed signal in different dimensional paths, the path included in the first region is the second path; and the fourth path satisfies the second condition.
28. The method as described in claim 27, characterized in that, The second condition includes at least one of the following: The interval between the third path and the fourth path in the time delay dimension is less than the second time delay value; The distance between the third path and the fourth path in the Doppler dimension is less than the second Doppler value; The interval between the third path and the fourth path in the AOA dimension is smaller than the second AOA value; The interval between the third path and the fourth path in the ZOA dimension is smaller than the second ZOA value; The absolute value of the difference between the channel response power of the third path and the channel response power of the fourth path is less than the second threshold. The channel response power of the fourth path is greater than the third threshold.
29. The method according to any one of claims 22-28, characterized in that, The first RSRPP includes at least one of the following: Channel response power for all first paths; The mean of the channel response power of all first paths; The sum of the channel response power of all first paths; The minimum channel response power of all first paths; The maximum value among all channel response powers of the first path; The power of the channel response power of all first paths that is not less than the first power threshold; The average of the channel response powers of all first paths that are not less than the first power threshold; The sum of the channel response powers of all first paths that are not less than the first power threshold; The M largest powers among all the channel response powers of the first path; The mean of the M largest power values among the channel response powers of all first paths; The sum of the M largest power values among the channel response powers of all first paths; where M is a positive integer.
30. The method according to any one of claims 22-29, characterized in that, The determination of the first report includes: Receive the first report sent by the first device; Wherein, when the first report indicates the second RSRPP, the first report includes at least one of the following: the second RSRPP, the quantized value of the second RSRPP; or, the first report includes at least one of the following: the first RSRPP, the quantized value of the first RSRPP, the sampling rate, the ratio between the sampling rate and the first value; or When the first report indicates the first RSRPP, the first report includes at least one of the following: the first RSRPP, the quantized value of the first RSRPP; Wherein, the sampling rate is the sampling rate used by the first device when determining the first RSRPP, the first value is c times the bandwidth of the sensed signal, c is agreed upon by the protocol, and / or c is determined by the second device.
31. The method as described in claim 30, characterized in that, When different sensed signals have different bandwidths, the sampling rates corresponding to the different sensed signals are the same; or When different sensing signals have different bandwidths, the sampling rates corresponding to the different sensing signals are different; wherein, the second value corresponding to different sensing signals is the same, and the second value is: the ratio between the sampling rate corresponding to the sensing signal and the bandwidth of the sensing signal.
32. The method as described in claim 30 or 31, characterized in that, When the first report includes the quantized value of the first RSRPP, the first report includes the quantized value of each first RSRPP; or, the first report includes: the quantized value of the largest first RSRPP among all first RSRPPs, and the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP; or, the first report includes: the quantized value of the largest first RSRPP and the quantized value of the difference between each first RSRPP other than the largest first RSRPP and the largest first RSRPP. When the first report includes the quantized value of the second RSRPP, the first report includes the quantized value of each second RSRPP; or, the first report includes: the quantized value of the largest second RSRPP among all second RSRPPs, and the difference between each second RSRPP other than the largest second RSRPP and the largest second RSRPP; or, the first report includes: the quantized value of the largest second RSRPP and the quantized value of the difference between each second RSRPP other than the largest second RSRPP and the largest second RSRPP.
33. The method according to any one of claims 22-32, characterized in that, The method further includes: The first device is sent configuration information, which is used to configure at least one of the following: a first condition, a second condition, the resource location of the sensing signal, the bandwidth of the sensing signal, and the duration of the sensing signal.
34. The method as described in claim 33, characterized in that, The configuration information is used to configure the first condition, including: The configuration information is used to configure at least one of the following: The starting position of the first time delay range; The end position of the first time delay range; The number of delay values within the first delay range; First delay value; The starting position of the first Doppler range; The end position of the first Doppler range; Number of Doppler values within the first Doppler range; First Doppler value; The starting position of the first AOA range; The end position of the first AOA range; The number of AOA values within the first AOA range; First AOA value; The starting position of the first ZOA range; The end position of the first ZOA range; The number of ZOA values within the first ZOA range; First ZOA value.
35. The method as described in claim 34, characterized in that, The time-delay domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate; The Doppler domain granularity of the power spectrum of the sensed signal is determined based on at least one of the bandwidth of the sensed signal, the duration of the sensed signal, and the sampling rate. The AOA domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate; The ZOA domain granularity of the power spectrum of the sensed signal is determined based on the sampling rate; The power spectrum is used to represent the channel response power of the sensing signal in different dimensional paths, and the sampling rate is the sampling rate used by the first device to determine the first RSRPP.
36. The method according to any one of claims 22-35, characterized in that, The method further includes: The second device receives capability information sent by the first device, the capability information indicating at least one of the following: the highest sampling rate of the first device, the sampling rate supported by the first device, and the sampling rate supported by the first device within the bandwidth of the sensed signal; wherein the capability information is used by the second device to determine at least one of the following: the number of delay values within a first delay range, the number of Doppler values within a first Doppler range, the number of AOA values within a first AOA range, and the number of ZOA values within a first ZOA range.
37. The method according to any one of claims 22-36, characterized in that, The first device is a terminal or an access network device, and the second device is any one of an access network device, a core network device, or a sensing function SF network element.
38. A first device, characterized in that, include: The transceiver module is used to receive sensing signals; The processing module is configured to determine a first reference signal received path power (RSRPP) for a sensed target. The first RSRPP is determined based on the channel response power of at least one first path in a first path set. The first path set is determined based on at least one second path, wherein the second path is used to transmit the sensed signal and includes a path passing through the sensed target.
39. A second device, characterized in that, include: A processing module is configured to determine a first report, the first report indicating a first reference signal received path power (RSRPP) or a second RSRPP for a sensed target, the first RSRPP being determined based on the channel response power of at least one first path in a first path set, the first path set being determined based on at least one second path, wherein the second path is used to transmit the sensed signal, the second path includes a path passing through the sensed target, and the second RSRPP is determined based on the first RSRPP.
40. A first device, characterized in that, include: One or more processors; The first device is used to perform the method according to any one of claims 1 to 21.
41. A second device, characterized in that, include: One or more processors; The second device is used to perform the method according to any one of claims 22 to 37.
42. A communication system, characterized in that, The device includes a first device and a second device, wherein the first device is configured to implement the method according to any one of claims 1 to 21, and the second device is configured to implement the method according to any one of claims 22 to 37.
43. A storage medium storing instructions, characterized in that, When the instructions are executed on a communication device, the communication device performs the method as claimed in any one of claims 1 to 21 or claims 22 to 37.
44. A program product, characterized in that, It includes a computer program that, when executed by a communication device, implements the method as claimed in any one of claims 1 to 21 or 22 to 37.