Communication methods, devices, and storage media
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-07
- Publication Date
- 2026-08-11
AI Technical Summary
[0015]The technical solution provided in this disclosure can include the following beneficial effects: It is determined that the sum of the CPU value of the first CSI processing unit and the second CPU value is greater than a CPU threshold. The first CPU value is the CPU required to update the first CSI report, the second CPU value is the CPU required to update the second CSI report, and the third CSI report is not updated. The third CSI report is the lowest priority CSI report among the first and second CSI reports. In other words, when CPU resources are limited, the terminal device can avoid updating low-priority CSI reports, thus ensuring that high-priority CSI reports are updated in a timely manner, thereby improving the joint transmission performance of multiple TRPs.
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Figure CN120359789B_ABST
Abstract
Description
Technical Field
[0001] This disclosure relates to the field of communication technology, and in particular to a communication method, device and storage medium. Background Technology
[0002] In Coherent Joint Transmission (CJT) of a wireless communication system, in order to ensure that the transmissions of multiple TRPs can reach the terminal device simultaneously, or that the arrival time difference is within the range of the Cyclic Prefix (CP), that is, to ensure that the terminal device can correctly receive the data transmitted by different TRPs, ideal synchronization between multiple TRPs and ideal backhaul links between multiple TRPs are considered. Summary of the Invention
[0003] This disclosure provides a communication method, device, and storage medium.
[0004] According to a first aspect of the embodiments of this disclosure, a communication method is provided, executed by a terminal device, the method comprising:
[0005] The sum of the CPU value of the first channel state information (CSI) processing unit and the second CPU value is determined to be greater than the CPU threshold. The first CPU value is the CPU required to update the first CSI report, and the second CPU value is the CPU required to update the second CSI report. The third CSI report is not updated. The third CSI report is the CSI report with lower priority than the first CSI report and the second CSI report.
[0006] According to a second aspect of the embodiments of this disclosure, a communication method is provided, performed by a network device, the method comprising:
[0007] The receiving terminal device updates a fifth CSI report and / or does not update a third CSI report when it determines that the sum of the CPU value of the first channel state information (CSI) processing unit and the second CPU value is greater than the CPU threshold. The first CPU value is the CPU required to update the first CSI report, and the second CPU value is the CPU required to update the second CSI report. The fifth CSI report includes CSI reports other than the third CSI report. The third CSI report is the CSI report with lower priority among the first CSI report and the second CSI report.
[0008] According to a third aspect of the embodiments of this disclosure, a terminal device is provided, comprising:
[0009] The processing module is configured to determine that the sum of the CPU value of the first channel state information (CSI) processing unit and the second CPU value is greater than a CPU threshold. The first CPU value is the CPU required to update the first CSI report, the second CPU value is the CPU required to update the second CSI report, and the third CSI report is not updated. The third CSI report is the CSI report with lower priority among the first CSI report and the second CSI report.
[0010] According to a fourth aspect of the embodiments of this disclosure, a network device is provided, comprising:
[0011] The transceiver module is configured to receive a fifth CSI report updated by the terminal device and / or a third CSI report that has not been updated when the sum of the CPU value of the first channel state information (CSI) processing unit and the second CPU value is greater than a CPU threshold. The first CPU value is the CPU required to update the first CSI report, and the second CPU value is the CPU required to update the second CSI report. The fifth CSI report includes CSI reports other than the third CSI report, and the third CSI report is the CSI report with lower priority among the first CSI report and the second CSI report.
[0012] According to a fifth aspect of the present disclosure, a communication device is provided, comprising: one or more processors; wherein the communication device is configured to perform an optional implementation of the first aspect or the second aspect.
[0013] According to a sixth aspect of the present disclosure, a communication system is provided, which may include: a terminal device and a network device; wherein the terminal device is configured to perform the method described in the optional implementation of the first aspect, and the network device is configured to perform the method described in the optional implementation of the second aspect.
[0014] 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 the method as described in an optional implementation of the first or second aspect.
[0015] The technical solution provided in this disclosure can include the following beneficial effects: It is determined that the sum of the CPU value of the first CSI processing unit and the second CPU value is greater than a CPU threshold. The first CPU value is the CPU required to update the first CSI report, the second CPU value is the CPU required to update the second CSI report, and the third CSI report is not updated. The third CSI report is the lowest priority CSI report among the first and second CSI reports. In other words, when CPU resources are limited, the terminal device can avoid updating low-priority CSI reports, thus ensuring that high-priority CSI reports are updated in a timely manner, thereby improving the joint transmission performance of multiple TRPs.
[0016] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings required for the description of the embodiments are introduced below. The following drawings are only some embodiments of this disclosure and do not impose specific limitations on the protection scope of this disclosure.
[0018] Figure 1 This is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure.
[0019] Figure 2A This is an interactive schematic diagram illustrating a communication method according to an embodiment of the present disclosure.
[0020] Figure 2B This is an interactive schematic diagram illustrating a communication method according to an embodiment of the present disclosure.
[0021] Figure 2C This is an interactive schematic diagram illustrating a communication method according to an embodiment of the present disclosure.
[0022] Figure 3A This is a flowchart illustrating a communication method according to an embodiment of the present disclosure.
[0023] Figure 3B This is a flowchart illustrating a communication method according to an embodiment of the present disclosure.
[0024] Figure 3C This is a flowchart illustrating a communication method according to an embodiment of the present disclosure.
[0025] Figure 3D This is a flowchart illustrating a communication method according to an embodiment of the present disclosure.
[0026] Figure 4 This is a flowchart illustrating a communication method according to an embodiment of the present disclosure.
[0027] Figure 5 This is a flowchart illustrating a communication method according to an embodiment of the present disclosure.
[0028] Figure 6A This is a schematic diagram of the structure of a terminal device proposed in an embodiment of this disclosure.
[0029] Figure 6B This is a schematic diagram of the structure of a network device proposed in an embodiment of this disclosure.
[0030] Figure 7A This is a schematic diagram of the structure of the communication device proposed in the embodiments of this disclosure.
[0031] Figure 7B This is a schematic diagram of the chip structure proposed in the embodiments of this disclosure. Detailed Implementation
[0032] This disclosure provides a communication method, device, and storage medium.
[0033] In a first aspect, embodiments of this disclosure provide a communication method executed by a terminal device, the method comprising:
[0034] The sum of the CPU value of the first channel state information (CSI) processing unit and the second CPU value is determined to be greater than the CPU threshold. The first CPU value is the CPU required to update the first CSI report, and the second CPU value is the CPU required to update the second CSI report. The third CSI report is not updated. The third CSI report is the CSI report with lower priority than the first CSI report and the second CSI report.
[0035] In the above embodiments, when CPU resources are limited, the terminal device may not update low-priority CSI reports. This ensures that high-priority CSI reports can be updated in a timely manner, thereby improving the joint transmission performance of multiple TRPs.
[0036] In conjunction with some embodiments of the first aspect, in some embodiments, the CPU threshold is determined in the following manner:
[0037] Determine the third CPU value required to update the fourth CSI report, wherein the fourth CSI report is the CSI report that starts updating before a specified symbol and needs to continue updating at that specified symbol, wherein the specified symbol is the symbol at which the updating of the first CSI report and the second CSI report needs to begin;
[0038] The difference between the specified CPU value and the third CPU value is used as the CPU threshold, where the specified CPU value is the CPU value that the terminal device can support.
[0039] In the above embodiments, when determining the CPU threshold, the required CPU can be reserved for the updating fourth CSI report. This ensures that the updating fourth CSI report will not be interrupted, thus improving system performance.
[0040] In conjunction with some embodiments of the first aspect, in some embodiments, the value of the first CPU is any one of the following:
[0041] The number of Channel State Information Reference Signal (CSI-RS) resources included in the Channel Measurement Resources (CMR);
[0042] The difference between the number of CSI-RS resources included in CMR and 1; 1;
[0044] The product of a first quantity and a second quantity, wherein the first quantity is the number of transceiver points (TRPs) and the second quantity is determined based on the capabilities of the terminal equipment;
[0045] The product of the third quantity and the second quantity, wherein the third quantity is the difference between the quantity of TRP and 1.
[0046] In the above embodiments, the first CPU value can be determined in multiple ways, making the determination of the CPU value more flexible.
[0047] In conjunction with some embodiments of the first aspect, in some embodiments, the method further includes:
[0048] Determine the first priority value of the first CSI report and the second priority value of the second CSI report;
[0049] The third CSI report is determined based on the first priority value and the second priority value.
[0050] In the above embodiments, a third CSI report can be determined based on the first priority value of the first CSI report and the second priority value of the second CSI report, thereby obtaining a third CSI report with low priority.
[0051] In conjunction with some embodiments of the first aspect, in some embodiments, determining the first priority value of the first CSI report and the second priority value of the second CSI report includes:
[0052] Based on the first parameters and first information of the first CSI report, the first priority value is determined, wherein the first information includes at least one of the following: reporting method, index of serving cell, maximum number of serving cells, report configuration identifier, and maximum number of CSI report configurations;
[0053] The second priority value is determined based on the first parameter and first information in the second CSI report.
[0054] In the above embodiments, the priority value can be determined by combining the first parameter and the first information, thereby obtaining a more accurate priority value.
[0055] In conjunction with some embodiments of the first aspect, in some embodiments, the reporting method includes any one of the following:
[0056] Aperiodic CSI reports carried on the Physical Uplink Shared Channel (PUSCH);
[0057] Semi-persistent CSI reports carried on PUSCH;
[0058] Semi-persistent CSI reports carried on the Physical Uplink Control Channel (PUCCH);
[0059] Periodic CSI reports carried on PUCCH.
[0060] In the above embodiments, the impact of different reporting methods on priority values can be combined, thereby further improving the accuracy of priority values.
[0061] In conjunction with some embodiments of the first aspect, in some embodiments, the first parameter of the first CSI report includes any one of the following:
[0062] The value of the first parameter in the first CSI report is less than or equal to 0;
[0063] The value of the first parameter in the first CSI report is greater than or equal to 1;
[0064] The first parameter of the first CSI report has a value greater than or equal to 0 and less than or equal to 1;
[0065] The first parameter of the second CSI report carrying the Layer 1 Reference Signal Received Power (L1-RSRP) or the Layer 1 Signal-to-Interference-plus-Noise Ratio (L1-SINR) is 0; the first parameter of the second CSI report not carrying L1-RSRP or L1-SINR is 1.
[0066] In the above embodiments, the value of the first parameter of the first CSI report can include a variety of cases, thereby allowing for flexible setting of the priority of the first CSI report.
[0067] In conjunction with some embodiments of the first aspect, in some embodiments, the first CSI report includes at least one of the following:
[0068] The time difference between a first arrival time and a second arrival time, wherein the first arrival time is the arrival time of a first reference signal on a CSI-RS resource, and the second arrival time is the arrival time of a second reference signal on a reference CSI-RS resource;
[0069] The frequency offset between the first reference signal and the second reference signal;
[0070] The phase offset between the first reference signal and the second reference signal;
[0071] The second parameter corresponding to the first reference signal and / or the second parameter corresponding to the second reference signal, wherein the second parameter includes at least one of the following: Doppler frequency shift, Doppler spread, average time delay, and time delay spread;
[0072] The difference between the second parameter corresponding to the first reference signal and the second parameter corresponding to the second reference signal.
[0073] In the above embodiments, the first CSI report may include multiple pieces of information related to the first reference signal and the second reference signal, thereby enabling the transmission of more information for multiple TRPs and further improving the joint transmission performance of multiple TRPs.
[0074] In conjunction with some embodiments of the first aspect, in some embodiments, the first arrival time is the time when the first reference signal arrives at the terminal device, and the second arrival time is the time when the second reference signal arrives at the terminal device.
[0075] In the above embodiments, the arrival time of the first reference signal and the arrival time of the second reference signal at the terminal device can be sent so that the network device can control the data transmission of multiple TRPs according to the arrival time at the terminal device, thereby improving the joint transmission performance of multiple TRPs.
[0076] In conjunction with some embodiments of the first aspect, in some embodiments, the time difference includes the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; or, the time difference does not include the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; wherein, the time domain position includes at least one of the following: time slot position, symbol position.
[0077] In the above embodiments, the time difference reaching the terminal device can take into account the time domain location or not, thereby making the determination of the time difference more flexible.
[0078] In conjunction with some embodiments of the first aspect, in some embodiments, the method further includes:
[0079] Identify the reference CSI-RS resource.
[0080] In the above embodiments, the terminal device can determine a reference CSI-RS resource so as to use the reference CSI-RS resource as a reference to calculate the difference between the reference signal corresponding to each TRP and the reference signal of the reference CSI-RS resource.
[0081] In conjunction with some embodiments of the first aspect, in some embodiments, determining the reference CSI-RS resource includes:
[0082] The network device receives second information, the second information including channel measurement resources (CMR), the CMR including at least one CSI-RS resource;
[0083] The reference CSI-RS resource is determined from the at least one CSI-RS resource.
[0084] In the above embodiments, the reference CSI-RS resource can be determined based on the second information sent by the network device.
[0085] In conjunction with some embodiments of the first aspect, in some embodiments, determining the reference CSI-RS resource from the at least one CSI-RS resource includes any one of the following:
[0086] The designated CSI-RS resource among the at least one CSI-RS resources is used as the reference CSI-RS resource, wherein the designated CSI-RS resource is the CSI-RS resource indicated by the network device or the first CSI-RS resource among the at least one CSI-RS resources;
[0087] The first CSI-RS resource that arrives at the terminal device from the at least one CSI-RS resource is used as the reference CSI-RS resource.
[0088] In the above embodiments, reference CSI-RS resources can be flexibly determined in different ways.
[0089] In conjunction with some embodiments of the first aspect, in some embodiments, the second CSI report includes at least one of the following:
[0090] CSI-RS Resource Indicator - Rank Indicator - Precoding Matrix Indicator - Channel Quality Indicator CRI-RI-PMI-CQI;
[0091] CRI-RI-i1;
[0092] CRI-RI-i1-CQI;
[0093] CRI-RI-CQI;
[0094] CRI-RSRP;
[0095] CRI-SINR;
[0096] Synchronization signal block-index-reference signal received power SSB-Index-RSRP;
[0097] SSB-Index-SINR;
[0098] CRI-RI-Layer Indicator LI-PMI-CQI;
[0099] CRI-RSRP-Index;
[0100] SSB-Index-RSRP-Index;
[0101] CRI-SINR-Index;
[0102] SSB-Index-SINR-Index or Time Domain Channel Attribute (TDCP).
[0103] In the above embodiments, the second CSI report may include multiple types, thereby obtaining a more comprehensive CSI report and improving the accuracy of the determined third CSI report.
[0104] Secondly, embodiments of this disclosure provide a communication method executed by a network device, the method comprising:
[0105] The receiving terminal device updates a fifth CSI report and / or does not update a third CSI report when it determines that the sum of the CPU value of the first channel state information (CSI) processing unit and the second CPU value is greater than the CPU threshold. The first CPU value is the CPU required to update the first CSI report, and the second CPU value is the CPU required to update the second CSI report. The fifth CSI report includes CSI reports other than the third CSI report. The third CSI report is the CSI report with lower priority among the first CSI report and the second CSI report.
[0106] In conjunction with some embodiments of the second aspect, in some embodiments, the CPU threshold is determined in the following manner:
[0107] Determine the third CPU value required to update the fourth CSI report, wherein the fourth CSI report is the CSI report that starts updating before a specified symbol and needs to continue updating at that specified symbol, wherein the specified symbol is the symbol at which the updating of the first CSI report and the second CSI report needs to begin;
[0108] The difference between the specified CPU value and the third CPU value is used as the CPU threshold, where the specified CPU value is the CPU value that the terminal device can support.
[0109] In conjunction with some embodiments of the second aspect, in some embodiments, the value of the first CPU is any one of the following:
[0110] The number of Channel State Information Reference Signal (CSI-RS) resources included in the Channel Measurement Resources (CMR);
[0111] The difference between the number of CSI-RS resources included in CMR and 1; 1;
[0113] The product of a first quantity and a second quantity, wherein the first quantity is the number of transceiver points (TRPs) and the second quantity is determined based on the capabilities of the terminal equipment;
[0114] The product of the third quantity and the second quantity, wherein the third quantity is the difference between the quantity of TRP and 1.
[0115] In conjunction with some embodiments of the second aspect, in some embodiments, the third CSI report is determined based on a first priority value of the first CSI report and a second priority value of the second CSI report. The first priority value is determined based on a first parameter and first information of the first CSI report, and the second priority value is determined based on a first parameter and first information of the second CSI report. The first information includes at least one of the following: reporting method, index of serving cell, maximum number of serving cells, report configuration identifier, and maximum number of CSI reports configured.
[0116] In conjunction with some embodiments of the second aspect, in some embodiments, the reporting method includes any one of the following:
[0117] Aperiodic CSI reports carried on the Physical Uplink Shared Channel (PUSCH);
[0118] Semi-persistent CSI reports carried on PUSCH;
[0119] Semi-persistent CSI reports carried on the Physical Uplink Control Channel (PUCCH);
[0120] Periodic CSI reports carried on PUCCH.
[0121] In conjunction with some embodiments of the second aspect, in some embodiments, the first parameter of the first CSI report includes any one of the following:
[0122] The value of the first parameter in the first CSI report is less than or equal to 0;
[0123] The value of the first parameter in the first CSI report is greater than or equal to 1;
[0124] The first parameter of the first CSI report has a value greater than or equal to 0 and less than or equal to 1;
[0125] The first parameter of the second CSI report carrying the Layer 1 Reference Signal Received Power (L1-RSRP) or the Layer 1 Signal-to-Interference-plus-Noise Ratio (L1-SINR) is 0; the first parameter of the second CSI report not carrying L1-RSRP or L1-SINR is 1.
[0126] In conjunction with some embodiments of the second aspect, in some embodiments, the first CSI report includes at least one of the following:
[0127] The time difference between a first arrival time and a second arrival time, wherein the first arrival time is the arrival time of a first reference signal on a CSI-RS resource, and the second arrival time is the arrival time of a second reference signal on a reference CSI-RS resource;
[0128] The frequency offset between the first reference signal and the second reference signal;
[0129] The phase offset between the first reference signal and the second reference signal;
[0130] The second parameter corresponding to the first reference signal and / or the second parameter corresponding to the second reference signal, wherein the second parameter includes at least one of the following: Doppler frequency shift, Doppler spread, average time delay, and time delay spread;
[0131] The difference between the second parameter corresponding to the first reference signal and the second parameter corresponding to the second reference signal.
[0132] In conjunction with some embodiments of the second aspect, in some embodiments, the first arrival time is the time when the first reference signal arrives at the terminal device, and the second arrival time is the time when the second reference signal arrives at the terminal device.
[0133] In conjunction with some embodiments of the second aspect, in some embodiments, the time difference includes the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; or, the time difference does not include the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; wherein, the time domain position includes at least one of the following: time slot position, symbol position.
[0134] In conjunction with some embodiments of the second aspect, in some embodiments, the method further includes:
[0135] The terminal device sends second information, the second information including channel measurement resources (CMR), the CMR including at least one CSI-RS resource; the second information is used by the terminal device to determine the reference CSI-RS resource from the at least one CSI-RS resource.
[0136] In conjunction with some embodiments of the second aspect, in some embodiments, the second CSI report includes at least one of the following:
[0137] CSI-RS Resource Indicator - Rank Indicator - Precoding Matrix Indicator - Channel Quality Indicator CRI-RI-PMI-CQI;
[0138] CRI-RI-i1;
[0139] CRI-RI-i1-CQI;
[0140] CRI-RI-CQI;
[0141] CRI-RSRP;
[0142] CRI-SINR;
[0143] Synchronization signal block-index-reference signal received power SSB-Index-RSRP;
[0144] SSB-Index-SINR;
[0145] CRI-RI-Layer Indicator LI-PMI-CQI;
[0146] CRI-RSRP-Index;
[0147] SSB-Index-RSRP-Index;
[0148] CRI-SINR-Index;
[0149] SSB-Index-SINR-Index or Time Domain Channel Attribute (TDCP).
[0150] Thirdly, embodiments of this disclosure provide a communication method, the method comprising:
[0151] The terminal device determines that the sum of the CPU value of the first channel state information (CSI) processing unit and the second CPU value is greater than the CPU threshold. The first CPU value is the CPU required to update the first CSI report, and the second CPU value is the CPU required to update the second CSI report. The terminal device does not update the third CSI report to the network device. The third CSI report is the CSI report with lower priority between the first CSI report and the second CSI report.
[0152] Fourthly, embodiments of this disclosure provide a terminal device, which may include at least one of a transceiver module and a processing module; wherein the terminal device may be used to execute an optional implementation of the first aspect.
[0153] Fifthly, embodiments of this disclosure provide a network device that may include at least one of a transceiver module and a processing module; wherein the network device may be used to perform an optional implementation of the second aspect.
[0154] In a sixth aspect, embodiments of this disclosure provide a terminal device that may include one or more processors; wherein the terminal device may be used to execute an optional implementation of the first aspect.
[0155] In a seventh aspect, embodiments of this disclosure provide a network device that may include one or more processors; wherein the network device may be used to perform an optional implementation of the second aspect.
[0156] Eighthly, embodiments of this disclosure provide a communication device that may include one or more processors; wherein the communication device may be used to perform an optional implementation of the first aspect or the second aspect.
[0157] In a ninth aspect, embodiments of this disclosure provide a communication system that may include a terminal device and a network device; wherein the terminal device is configured to perform the method described in the optional implementation of the first aspect, and the network device is configured to perform the method described in the optional implementation of the second aspect.
[0158] In a tenth 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 as described in an optional implementation of the first or second aspect.
[0159] Eleventhly, embodiments of this disclosure provide a program product that, when executed by a communication device, causes the communication device to perform the method as described in an optional implementation of the first or second aspect.
[0160] In a twelfth aspect, embodiments of this disclosure provide a computer program that, when run on a computer, causes the computer to perform the methods described in an optional implementation of the first or second aspect.
[0161] In a thirteenth aspect, embodiments of this disclosure provide a chip or chip system. The chip or chip system includes processing circuitry configured to perform the methods described in optional implementations of the first or second aspect.
[0162] It is understood that the aforementioned terminal devices, network devices, communication devices, communication systems, storage media, program products, computer programs, chips, or chip systems can all be 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.
[0163] This disclosure provides a communication method, device, and storage medium. In some embodiments, the terms "communication method" and "information processing method" can be used interchangeably; the terms "communication device" and "information processing device" and "communication equipment" can be used interchangeably; and the terms "communication system" and "information processing system" can be used interchangeably.
[0164] 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.
[0165] In each of the disclosed embodiments, unless otherwise specified or in case of logical conflict, the terminology and / or descriptions of the embodiments are consistent and can be referenced by each other. Technical features in different embodiments can be combined to form new embodiments based on their inherent logical relationships.
[0166] 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.
[0167] 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.
[0168] In some embodiments, "multiple" can refer to two or more.
[0169] In some embodiments, the terms “at least one of”, “one or more”, “a plurality of”, “multiple”, etc., may be used interchangeably.
[0170] 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 B); in some embodiments, B (execute B regardless of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); in some embodiments, A and B (both A and B are executed). The same applies when there are more branches such as A, B, C, etc.
[0171] In some embodiments, the notation "A or B" may include the following technical solutions, depending on the situation: in some embodiments, A (execution of A regardless of B); in some embodiments, B (execution of B regardless of A); 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, C, etc.
[0172] 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.
[0173] In some embodiments, “including A,” “containing A,” “for indicating A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.
[0174] In some embodiments, the terms “in response to…”, “in response to determining…”, “in the case of…”, “when…”, “if…”, “if…”, etc., can be used interchangeably.
[0175] 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”.
[0176] 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,” “node,” “function,” “unit,” “section,” “system,” “network,” “chip,” “chip system,” “entity,” and “subject” are interchangeable.
[0177] In some embodiments, "network" can be interpreted as devices included in a network (e.g., access network devices, core network devices, etc.).
[0178] 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.
[0179] 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.
[0180] In some embodiments, access network devices, core network devices, or network devices can be replaced with 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 with 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 or direct channel, and uplink link, downlink, etc., can be replaced with sidelink link or direct link.
[0181] 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.
[0182] In some embodiments, the acquisition of data, information, etc., may comply with the laws and regulations of the country where the location is situated.
[0183] In some embodiments, data, information, etc., may be obtained with the user's consent.
[0184] 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.
[0185] Figure 1 This is a schematic diagram of the architecture of a communication system according to an embodiment of this disclosure. Figure 1 As shown, the communication system 100 may include a terminal device 101 and a network device 102.
[0186] In some embodiments, terminal device 101 may include at least one of the following: mobile phone, wearable device, Internet of Things device, car with communication function, smart car, tablet computer, 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, but is not limited thereto.
[0187] In some embodiments, network device 102 may include at least one of access network device and core network device.
[0188] In some embodiments, the access network device may be a node or device that connects a terminal device to a wireless network. The access network device may include, but is not limited to, at least one of the following in a 5G communication system: evolved Node B (eNB), next-generation eNB (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.
[0189] 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.
[0190] 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.
[0191] In some embodiments, the core network equipment may be a single device, multiple devices, or a group of devices. The core network may include at least one of the following: Evolved Packet Core (EPC), 5G Core Network (5GCN), and Next Generation Core (NGC).
[0192] 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.
[0193] The following embodiments of this disclosure can be applied to Figure 1 The communication system 100 shown, or a part thereof, but not limited to it. Figure 1 The entities shown are examples; a communication system may include... Figure 1 All or part of the main body, or may include Figure 1 Other entities besides the main body, the number and form of each entity are arbitrary, each entity can be physical or virtual, the connection relationship between the entities is an example, the entities can be unconnected or connected, and 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.
[0194] 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), Futuregeneration 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 communication 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).
[0195] In some embodiments of this disclosure, if multiple TRPs cannot be ideally synchronized, or if there is no ideal backhaul link between them (i.e., the interaction delay between TRPs is large), channel state information (CSI) reports containing the arrival time differences of multiple TRPs can be reported to ensure that data sent by multiple TRPs can arrive at the terminal side simultaneously or within the CP range. However, when the terminal device has multiple types of CSIs to update simultaneously, each type of CSI occupies a CSI processing unit (CPU), and the maximum number of CPUs supported by the terminal device is limited. When the CPUs occupied by multiple types of CSIs exceed the maximum number of CPUs supported by the terminal device, multiple CSI reports cannot be updated simultaneously, affecting the joint transmission performance of multiple TRPs. Therefore, how to select which type of CSI report to update becomes an urgent problem to be solved.
[0196] Figure 2A This is an interactive schematic diagram illustrating a communication method according to an embodiment of this disclosure. The method can be executed by the aforementioned communication system. Figure 2A As shown, the method may include:
[0197] Step S2101: The terminal device determines that the sum of the first CPU value and the second CPU value is greater than the CPU threshold.
[0198] In some embodiments, the first CPU value is the CPU required to update the first CSI report.
[0199] In some embodiments, the first CSI report may include at least one of the following:
[0200] The time difference between the first arrival time and the second arrival time, wherein the first arrival time is the arrival time of the first reference signal on the Channel State Information Reference Signal (CSI-RS) resource, and the second arrival time is the arrival time of the second reference signal on the reference CSI-RS resource;
[0201] The frequency offset between the first reference signal and the second reference signal;
[0202] The phase offset between the first reference signal and the second reference signal;
[0203] The second parameter corresponding to the first reference signal and / or the second parameter corresponding to the second reference signal, the second parameter including at least one of the following: Doppler shift, Doppler spread, average delay, and delay spread;
[0204] The difference between the second parameter corresponding to the first reference signal and the second parameter corresponding to the second reference signal.
[0205] In some embodiments, the CSI-RS resource can be any CSI-RS resource other than the reference CSI-RS resource among a plurality of CSI-RS resources sent by the network device.
[0206] In some embodiments, the terminal device may receive multiple reference signals. For example, the terminal device may receive multiple reference signals sent by a network device, or the terminal device may receive multiple reference signals sent by other entities.
[0207] In some embodiments, the first CSI report may be a CSI report generated by the terminal device after performing channel measurements based on multiple reference signals.
[0208] It should be noted that the first CSI report may also include other information as specified in the protocol that can reflect the differences in reference signals corresponding to different TRPs.
[0209] In some embodiments, the first arrival time may be the time when the first reference signal arrives at the terminal device, and the second arrival time may be the time when the second reference signal arrives at the terminal device.
[0210] In some embodiments, when determining the arrival time of the reference signal at the terminal device, the influence of the time domain location corresponding to different reference signals may be considered, or the influence of the time domain location corresponding to the reference signal may not be considered, that is, only the arrival time difference caused by the different locations or propagation paths of different TRPs may be considered.
[0211] In one implementation, the time difference may include the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal, wherein the time domain position includes at least one of the following: time slot position and symbol position.
[0212] For example, consider two CSI-RS, CSI-RS#1 and CSI-RS#2, corresponding to CSI-RS#resource 1 and CSI-RS#resource 2, respectively. The time-domain location of CSI-RS#resource 1 is symbol #0 of slot #1, and the time-domain location of CSI-RS#resource 2 is symbol #0 of slot #2. Assume the terminal device measures the arrival time of CSI-RS#1 as t1 and the arrival time of CSI-RS#2 as t2. It can be understood that time t1 is a period after symbol #0 of slot #1, and time t2 is a period after symbol #0 of slot #2. Therefore, the time difference is t2-t1. This period t2-t1 includes not only the time interval between symbol #0 of slot #2 and symbol #0 of slot #1, but also the difference in transmission time between the two reference signals being sent from their respective TRPs to the terminal device.
[0213] In another implementation, the time difference may exclude the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal.
[0214] For example, consider two CSI-RS, CSI-RS#1 and CSI-RS#2, with corresponding resources CSI-RS#resource 1 and CSI-RS#resource 2, respectively. The time-domain location of CSI-RS#resource 1 is symbol #0 of slot #1, and the time-domain location of CSI-RS#resource 2 is symbol #0 of slot #2. Assume the terminal device measures the arrival time of CSI-RS#1 as t1 and the arrival time of CSI-RS#2 as t2. It can be understood that time t1 is a period after symbol #0 of slot #1, and time t2 is a period after symbol #0 of slot #2. Therefore, the time interval t2-t1 includes not only the time interval between symbol #0 of slot #2 and symbol #0 of slot #1, but also the difference in transmission time between the two RSs from their respective TRPs to the terminal device. If the time difference does not include the time interval between the time domain locations corresponding to different CSI-RS, then the time difference is t2-t1 minus the time interval between symbol #0 of slot #2 and symbol #0 of slot #1.
[0215] In some embodiments, the time difference can also be referred to as delay information, that is, the time delay of the first reference signal relative to the second reference signal in reaching the terminal side.
[0216] In some embodiments, the difference between the second parameter corresponding to the first reference signal and the second parameter corresponding to the second reference signal may include at least one of the following: the difference between the Doppler frequency shift corresponding to the first reference signal and the Doppler frequency shift corresponding to the second reference signal, the difference between the Doppler spread corresponding to the first reference signal and the Doppler spread corresponding to the second reference signal, the difference between the average time delay corresponding to the first reference signal and the average time delay corresponding to the second reference signal, and the difference between the time delay spread corresponding to the first reference signal and the time delay spread corresponding to the second reference signal.
[0217] In some embodiments, the terminal device may also determine the reference CSI-RS resource.
[0218] For example, the terminal device can determine the reference CSI-RS resource before generating the first CSI report.
[0219] In some embodiments, the terminal device may receive second information sent by the network device, the second information including Channel Measurement Resource (CMR), the CMR including at least one CSI-RS resource; and determine the reference CSI-RS resource from the at least one CSI-RS resource.
[0220] In some embodiments, the terminal device may receive second information. For example, the terminal device may receive second information sent by a network device. As another example, the terminal device may also receive second information sent by other entities.
[0221] In some embodiments, the name of the second information is not limited, and may be, for example, "channel measurement resource information", "information indicating channel measurement resources", "measurement indication information", etc.
[0222] In one implementation, the terminal device may use a designated CSI-RS resource from the at least one CSI-RS resource as the reference CSI-RS resource, wherein the designated CSI-RS resource is either a CSI-RS resource indicated by the network device or the first CSI-RS resource from the at least one CSI-RS resource.
[0223] For example, a network device may explicitly indicate the specified CSI-RS resource, and a terminal device may use the specified CSI-RS resource indicated by the network device as the reference CSI-RS resource. Alternatively, the network device may implicitly indicate the specified CSI-RS resource. "Implicit indication" can be interpreted as the network device not indicating the specified CSI-RS resource. In this case, the terminal device may use the first CSI-RS resource among at least one CSI-RS resource as the reference CSI-RS resource, which may be the CSI-RS resource with the smallest CSI-RS resource ID.
[0224] It should be noted that, even if the network device does not specify the designated CSI-RS resource, any one of the at least one CSI-RS resources can be used as the reference CSI-RS resource. This any one CSI-RS resource can be a CSI-RS resource specified in the protocol.
[0225] In another implementation, the terminal device may use the CSI-RS resource corresponding to the first CSI-RS resource that arrives at the terminal device from the at least one CSI-RS resource as the reference CSI-RS resource.
[0226] For example, a network device can send at least one CSI-RS on a CSI-RS resource to a terminal device, and the terminal device will use the CSI-RS resource corresponding to the first received CSI-RS as the reference CSI-RS resource. In this case, the first channel state information also needs to include the identifier of the reference CSI-RS resource.
[0227] In some embodiments, the first CPU value is any one of the following:
[0228] The number of Channel State Information Reference Signal (CSI-RS) resources included in the CMR;
[0229] The difference between the number of CSI-RS resources included in CMR and 1; 1;
[0231] The product of a first quantity and a second quantity, wherein the first quantity is the number of transceiver points (TRPs) and the second quantity is determined based on the capabilities of the terminal equipment;
[0232] The product of the third quantity and the second quantity, wherein the third quantity is the difference between the quantity of TRP and 1.
[0233] For example, the first CPU value can be calculated using any of the following formulas:
[0234] O CPU =K S (1)
[0235] O CPU =K S -1 (2)
[0236] O CPU =1 (3)
[0237] O CPU =X*N TRP (4)
[0238] O CPU =X*(N) TRP -1) (5)
[0239] Among them, O CPU For this first CPU value, K S Let X be the number of CSI-RS resources included in CMR, and N be the second number. TRP This is the first quantity.
[0240] In some embodiments, the value of X can be greater than 0, for example, the value of X can be 1, 1.5, 2, 2.5, 3, etc.
[0241] In some embodiments, if the determined O CPU If it is not an integer, then it can be less than 0. CPU The largest integer is used as the O CPU (i.e., rounding down). For example, if the calculated value is O CPU If it is 2.5, then O CPU The value of can be 2.
[0242] It should be noted that the above determination of O CPU The method described is for illustrative purposes only; O can also be determined in other ways as stipulated in the agreement. CPU This disclosure does not limit the scope of the embodiments.
[0243] In some embodiments, the third quantity may be the number of TRPs used for CJT transmission minus 1.
[0244] It should also be noted that the O obtained in this embodiment can also be calculated using the above-mentioned formulas. CPU Determine the final O CPU For example, the average value calculated from multiple formulas can be used as O. CPU Alternatively, the maximum value obtained from multiple formulas can be used as O. CPU The minimum value obtained from multiple formulas can also be used as O. CPU The present disclosure does not limit the specific determination method.
[0245] In some embodiments, the second CPU value is the CPU required to update the second CSI report.
[0246] In some embodiments, the second CSI report may be a CSI report other than the first CSI report.
[0247] In some embodiments, the second CSI report may include at least one of the following:
[0248] CSI-RS Resource Indicator (CRI) - Rank Indicator (RI) - Precoding Matrix Indicator (PMI) - Channel Quality Indicator (CQI);
[0249] CRI-RI-i1;
[0250] CRI-RI-i1-CQI;
[0251] CRI-RI-CQI;
[0252] CRI - Reference Signal Receiving Power (RSRP);
[0253] CRI-SINR;
[0254] Synchronization Signal Block (SSB) - Index - RSRP;
[0255] SSB-Index - Signal to Interference plus Noise Ratio (SINR);
[0256] CRI - RI - Layer Indicator (LI) - PMI - CQI;
[0257] CRI-RSRP-Index;
[0258] SSB-Index-RSRP-Index;
[0259] CRI-SINR-Index;
[0260] SSB-Index-SINR-Index or Time Domain Channel Properties (TDCP).
[0261] Where i1 is the spatial basis vector selection indication information, which is related to the number of ports N1 and N2 of CSI-RS, as well as O1 and O2. RSRP can be the Layer 1 Reference Signal Receiving Power (L1-RSRP), and SINR can be the Layer 1 Signal to Interference plus Noise Ratio (L1-SINR). Where N1 is the number of antenna ports in the first dimension, O1 is the number of oversampled samples or beams in the first dimension, N2 is the number of antenna ports in the second dimension, and O2 is the number of oversampled samples or beams in the second dimension.
[0262] It should be noted that if the second CSI report includes L1-RSRP or L1-SINR, it means that the second CSI report carries L1-RSRP or L1-SINR, that is, the content of the second CSI report is any one of the following:
[0263] CRI-RSRP;
[0264] CRI-SINR;
[0265] SSB-Index-RSRP;
[0266] SSB-Index-SINR;
[0267] CRI-RSRP-Index;
[0268] SSB-Index-RSRP-Index;
[0269] CRI-SINR-Index;
[0270] SSB-Index-SINR-Index.
[0271] If the second CSI report does not include L1-RSRP or L1-SINR, it means that the second CSI report does not carry L1-RSRP or L1-SINR, i.e., the content of the second CSI report is any of the following:
[0272] CRI-RI-i1;
[0273] CRI-RI-i1-CQI;
[0274] CRI-RI-CQI;
[0275] CRI-RI-LI-PMI-CQI;
[0276] TDCP.
[0277] It should be noted that the second CPU value can be determined according to the method specified in the existing protocol, which will not be elaborated here.
[0278] In some embodiments, the CPU threshold is determined in the following manner:
[0279] Determine the third CPU value required to update the fourth CSI report, wherein the fourth CSI report is the CSI report that starts updating before a specified symbol and needs to continue updating at that specified symbol, wherein the specified symbol is the symbol at which the updating of the first CSI report and the second CSI report needs to begin;
[0280] The difference between the specified CPU value and the third CPU value is used as the CPU threshold, where the specified CPU value is the CPU value that the terminal device can support.
[0281] In some embodiments, after generating the first CSI report, a designated symbol for the next update of the first CSI report can be determined. At that designated symbol, the second CSI report and a CPU threshold also need to be updated. If there is a CSI report that has already started updating before the designated symbol and still needs to be updated after the designated symbol (i.e., a fourth CSI report exists at the designated symbol), a third CPU value required to update the fourth CSI report can be determined, and the difference between the designated CPU value (i.e., the CPU value supported by the terminal device) and the third CPU value can be calculated. This difference is used as the CPU threshold. If there is no CSI report that needs to be updated at the designated symbol (i.e., a fourth CSI report does not exist at the designated symbol), the designated CPU value is used as the CPU threshold.
[0282] In some embodiments, the CPU threshold may also be a CPU value specified by the protocol. For example, the CPU threshold may be specified according to the CPU value that the terminal device can support. This disclosure does not limit this.
[0283] In some embodiments, after determining the first CPU value and the second CPU value, if it is determined that the sum of the first CPU value and the second CPU value is greater than the CPU threshold, then steps S2102 to S2104 can be executed.
[0284] Step S2102: The terminal device determines the first priority value based on the first parameter and first information in the first CSI report.
[0285] In some embodiments, the first information includes at least one of the following: reporting method, index of serving cell, maximum number of serving cells, report configuration identifier, maximum number of CSI report configurations; and the second priority value is determined based on the first parameters and the first information of the second CSI report.
[0286] The index of the serving cell in the first information of the first CSI report can be the index of the serving cell corresponding to the first CSI report.
[0287] In some embodiments, the first priority value can be calculated using formula (1):
[0288] Pri iCSI (y,k,c,s)=2*N cells *M s *y+N cells *M s *k+M s *c*s(6)
[0289] Where y represents the reporting method of the first CSI report, k represents the first parameter of the first CSI report, c represents the index of the serving cell corresponding to the first CSI report, and N represents the first parameter of the first CSI report. cells The maximum number of serving cells corresponding to the first CSI report, s is the report configuration identifier for the first CSI report, and M is the maximum number of serving cells corresponding to the first CSI report. s The maximum number of CSI reports that can be configured can be interpreted as the maximum number of CSI reports that a terminal device can configure.
[0290] In some embodiments, the reporting method may include any of the following:
[0291] Non-periodic CSI reports carried on the physical uplink shared channel (PUSCH);
[0292] Semi-persistent CSI reports carried on PUSCH;
[0293] Semi-persistent CSI reports carried on the physical uplink control channel (PUCCH);
[0294] Periodic CSI reports carried on PUCCH.
[0295] For example, y=0 indicates a non-periodic CSI report carried on the PUSCH, y=1 indicates a semi-persistent CSI report carried on the PUSCH, y=2 indicates a semi-persistent CSI report carried on the PUCCH, and y=3 indicates a periodic CSI report carried on the PUCCH.
[0296] In some embodiments, the second CSI report carries either Layer 1 Reference Signal Receiving Power (L1-RSRP) or Layer 1 Signal to Interference plus Noise Ratio (L1-SINR); the second CSI report may also omit L1-RSRP or L1-SINR.
[0297] For example, k=0 when the second CSI report carries L1-RSRP or L1-SINR, and k=1 when the second CSI report does not carry L1-RSRP or L1-SINR.
[0298] In some embodiments, N cells It can be the value of the higher-level parameter maxNrofServingCells, where s can be reportConfigID, M s It can be the value of the higher-level parameter maxNrofCSI-ReportConfigurations.
[0299] It should be noted that only the first parameter (k) in the above first information is related to the content of the CSI report.
[0300] In some embodiments, the first parameter of the first CSI report includes any one of the following:
[0301] The first parameter of the first CSI report has a value less than or equal to 0;
[0302] The first parameter of the first CSI report has a value greater than or equal to 1;
[0303] The first parameter of the first CSI report has a value greater than or equal to 0 and less than or equal to 1;
[0304] The first parameter of the second CSI report carrying L1-RSRP or L1-SINR is 0; the first parameter of the second CSI report not carrying L1-RSRP or L1-SINR is 1.
[0305] For example, if the first information of the first CSI report is the same as the first information of the second CSI report, and the first parameter of the second CSI report does not carry L1-RSRP or L1-SINR (i.e., the value of the first parameter of the second CSI report is 1, and the value of the first parameter of the first CSI report is less than or equal to 0), then the priority value of the first CSI report is less than the priority value of the second CSI report; if the first parameter of the second CSI report carries L1-RSRP or L1-SINR (i.e., the value of the first parameter of the second CSI report is 0, and the value of the first parameter of the first CSI report is greater than or equal to 1), then the priority value of the first CSI report is greater than the priority value of the second CSI report.
[0306] Step S2103: The terminal device determines the second priority value based on the first parameter and first information in the second CSI report.
[0307] It should be noted that the definition of the first information in the second CSI report can refer to the definition of the first information in the first CSI report, and the index of the serving cell in the first information of the second CSI report can be the index of the serving cell corresponding to the second CSI report.
[0308] In some embodiments, the second priority value can be calculated using formula (1), where y is the reporting method of the second CSI report, k is the first parameter of the second CSI report, c is the index of the serving cell corresponding to the second CSI report, and N is the index of the serving cell corresponding to the second CSI report. cells The maximum number of serving cells corresponding to this second CSI report, s is the report configuration identifier for this second CSI report, and M is the maximum number of serving cells corresponding to this second CSI report. s The maximum number of CSI reports configured.
[0309] Step S2104: The terminal device determines the third CSI report based on the first priority value and the second priority value.
[0310] In some embodiments, the third CSI report may be the CSI report with the higher priority value between the first CSI report and the second CSI report.
[0311] In some embodiments, a higher priority value indicates a lower priority, and the third CSI report may be a lower-priority CSI report from the first CSI report and the second CSI report.
[0312] In some embodiments, if the first priority value is greater than the second priority value, the first CSI report can be used as the third CSI report; if the first priority value is less than the second priority value, the second CSI report can be used as the third CSI report.
[0313] Step S2105: The terminal device updates the fifth CSI report.
[0314] In some embodiments, the network device may receive updated fifth CSI reports and / or outdated third CSI reports. For example, the network device may receive updated fifth CSI reports and / or outdated third CSI reports from terminal devices. As another example, the network device may also receive updated fifth CSI reports and / or outdated third CSI reports from other entities.
[0315] In some embodiments, the fifth CSI report may include CSI reports other than the third CSI report.
[0316] For example, if the first CSI report has a lower priority than the second CSI report, then the third CSI report is the first CSI report, and the fifth CSI report is the second CSI report.
[0317] In some embodiments, updating the fifth CSI report by the terminal device can be understood as not updating the third CSI report. When the terminal device sends a CSI report, it may send at least one of the updated fifth CSI report and the unupdated third CSI report. If the updated fifth CSI report and the unupdated third CSI report do not conflict in their transmission times, both can be sent, i.e., sent separately at their respective transmission times; if a conflict occurs, the unupdated third CSI report is not sent, or the updated fifth CSI report and the unupdated third CSI report are sent in a multiplexed manner over overlapping times.
[0318] Using the above method, when CPU resources are limited, terminal devices can avoid updating low-priority CSI reports. This ensures that high-priority CSI reports are updated in a timely manner, thereby improving the joint transmission performance of multiple TRPs.
[0319] It should be noted that the execution order of determining the first priority value and determining the second priority value in steps S2102 and S2103 is not limited in this embodiment. The step of determining the first priority value in step S2102 can be executed first, or the step of determining the second priority value in step S2103 can be executed first.
[0320] The methods involved in the embodiments of this disclosure may include at least one of the steps S2101 to S2105 described above. For example, step S2101 may be implemented as an independent embodiment, step S2105 may be implemented as an independent embodiment, steps S2102+S2103 may be implemented as an independent embodiment, and steps S2104+S2105 may be implemented as an independent embodiment, but are not limited thereto.
[0321] In some embodiments, steps S2101 to S2105 are all optional steps. For example, step S2101 is optional, and one or more of these steps may be omitted or substituted in different embodiments. As another example, step S2105 is optional, and one or more of these steps may be omitted or substituted in different embodiments.
[0322] In some embodiments, see Figure 2A Other optional implementation methods described before or after the corresponding instruction manual.
[0323] In some embodiments, the names of information, etc., are not limited to the names described in the embodiments. Terms such as "information", "message", "signal", "signaling", "report", "configuration", "indication", "instruction", "command", "channel", "parameter", "domain", "field", "symbol", "symbol", "codebook", "codeword", "codepoint", "bit", "data", "program", and "chip" can be used interchangeably.
[0324] In some embodiments, “get,” “obtain,” “receive,” “transmit,” “bidirectional transmission,” and “send and / or receive” can be used interchangeably and can be interpreted as receiving from other entities, obtaining from protocols, obtaining from higher layers, obtaining through self-processing, or autonomous implementation, among other meanings.
[0325] In some embodiments, terms such as “send,” “transmit,” “report,” “distribute,” “transfer,” “bidirectional transmission,” “send and / or receive” can be used interchangeably.
[0326] In some embodiments, terms such as "certain," "preset," "default," "set," "indicated," "a certain," "any," and "first" can be used interchangeably. "Certain A," "preset A," "default A," "set A," "indicated A," "a certain A," "any A," and "first A" can be interpreted as A pre-defined in a protocol or the like, or as A obtained through setting, configuration, or instruction, or as specific A, a certain A, any A, or first A, but are not limited thereto.
[0327] Figure 2B This is an interactive schematic diagram illustrating a communication method according to an embodiment of this disclosure. The method can be executed by the aforementioned communication system. Figure 2B As shown, the method may include:
[0328] Step S2201: The terminal device determines that the sum of the first CPU value and the second CPU value is greater than the CPU threshold.
[0329] The optional implementation of step S2201 can be found in [reference]. Figure 2A Optional implementation methods of step S2101, and Figure 2A Other related parts in the embodiments involved will not be described in detail here.
[0330] Step S2202: The terminal device determines the first priority value of the first CSI report and the second priority value of the second CSI report.
[0331] The optional implementation of step S2202 can be found in [reference]. Figure 2A Optional implementation methods of steps S2102 and S2103, and Figure 2A Other related parts in the embodiments involved will not be described in detail here.
[0332] Step S2203: The terminal device determines the third CSI report based on the first priority value and the second priority value.
[0333] For optional implementations of step S2203, please refer to [link / reference]. Figure 2A Optional implementation methods of step S2104, and Figure 2A Other related parts in the embodiments involved will not be described in detail here.
[0334] Step S2204: The terminal device updates the fifth CSI report.
[0335] The optional implementation of step S2204 can be found in [reference]. Figure 2A Optional implementation methods of step S2105, and Figure 2AOther related parts in the embodiments involved will not be described in detail here.
[0336] The methods involved in the embodiments of this disclosure may include at least one of the steps S2201 to S2204 described above. For example, step S2201 may be implemented as an independent embodiment, step S2204 may be implemented as an independent embodiment, and steps S2202+S2203 may be implemented as independent embodiments, but are not limited thereto.
[0337] In some embodiments, steps S2201 to S2204 are all optional steps. For example, step S2203 is optional, and one or more of these steps may be omitted or substituted in different embodiments. As another example, step S2204 is optional, and one or more of these steps may be omitted or substituted in different embodiments.
[0338] Figure 2C This is an interactive schematic diagram illustrating a communication method according to an embodiment of this disclosure. The method can be executed by the aforementioned communication system. Figure 2C As shown, the method may include:
[0339] Step S2301: The terminal device determines that the sum of the first CPU value and the second CPU value is greater than the CPU threshold.
[0340] The optional implementation of step S2301 can be found in [reference]. Figure 2A Optional implementation methods of step S2101, and Figure 2A Other related parts in the embodiments involved will not be described in detail here.
[0341] Step S2302: The terminal device determines the third CSI report.
[0342] The optional implementation of step S2302 can be found in [reference]. Figure 2A Optional implementation methods of step S2104, and Figure 2A Other related parts in the embodiments involved will not be described in detail here.
[0343] Step S2303: The terminal device updates the fifth CSI report.
[0344] For optional implementations of step S2303, please refer to [link / reference]. Figure 2A Optional implementation methods of step S2105, and Figure 2A Other related parts in the embodiments involved will not be described in detail here.
[0345] The methods involved in the embodiments of this disclosure may include at least one of the steps S2301 to S2303 described above. For example, step S2301 may be implemented as a standalone embodiment, step S2303 may be implemented as a standalone embodiment, and steps S2302+S2303 may be implemented as standalone embodiments, but are not limited thereto.
[0346] In some embodiments, steps S2301 to S2303 are all optional steps. For example, step S2301 is optional, and one or more of these steps may be omitted or substituted in different embodiments. As another example, step S2303 is optional, and one or more of these steps may be omitted or substituted in different embodiments.
[0347] Figure 3A This is a flowchart illustrating a communication method according to an embodiment of the present disclosure. Figure 3A As shown, this disclosure relates to a communication method, which can be executed by a terminal device. The method may include:
[0348] Step S3101: Determine that the sum of the first CPU value and the second CPU value is greater than the CPU threshold.
[0349] The optional implementation of step S3101 can be found in [reference]. Figure 2A Optional implementation methods of step S2101, and Figure 2A Other related parts in the embodiments involved will not be described in detail here.
[0350] Step S3102: Determine the first priority value based on the first parameter and first information in the first CSI report.
[0351] The optional implementation of step S3102 can be found in [reference]. Figure 2A Optional implementation methods of step S2102, and Figure 2A Other related parts in the embodiments involved will not be described in detail here.
[0352] Step S3103: Determine the second priority value based on the first parameter and first information in the second CSI report.
[0353] The optional implementation of step S3103 can be found in [reference]. Figure 2A Optional implementation methods of step S2103, and Figure 2A Other related parts in the embodiments involved will not be described in detail here.
[0354] Step S3104: Determine the third CSI report based on the first priority value and the second priority value.
[0355] For optional implementations of step S3104, please refer to [link / reference]. Figure 2A Optional implementation methods of step S2104, and Figure 2A Other related parts in the embodiments involved will not be described in detail here.
[0356] Step S3105: Do not update the third CSI report.
[0357] For optional implementations of step S3105, please refer to [link / reference]. Figure 2A Optional implementation methods of step S2105, and Figure 2A Other related parts in the embodiments involved will not be described in detail here.
[0358] In some embodiments, “not updating the third CSI report” can be understood as “sending at least one of the updated fifth CSI report and / or the unupdated third CSI report to the network device.”
[0359] In some embodiments, the terminal device may send at least one of an updated fifth CSI report and / or an outdated third CSI report to the network device, but is not limited thereto, the terminal device may also send at least one of an updated fifth CSI report and / or an outdated third CSI report to other entities.
[0360] The methods involved in the embodiments of this disclosure may include at least one of the steps S3101 to S3105 described above. For example, step S3101 may be implemented as a standalone embodiment, step S3105 may be implemented as a standalone embodiment, and steps S3104+S3105 may be implemented as standalone embodiments, but are not limited thereto.
[0361] In some embodiments, steps S3101 to S3105 are all optional steps. For example, steps S3101 and S3105 are optional, and one or more of these steps may be omitted or substituted in different embodiments.
[0362] In some embodiments, see Figure 3A Other optional implementation methods described before or after the corresponding instruction manual.
[0363] Figure 3B This is a flowchart illustrating a communication method according to an embodiment of the present disclosure. Figure 3B As shown, this disclosure relates to a communication method, which can be executed by a terminal device. The method may include:
[0364] Step S3201: Determine that the sum of the first CPU value and the second CPU value is greater than the CPU threshold.
[0365] The optional implementation of step S3201 can be found in [reference]. Figure 2A Step S2101 Figure 3A Optional implementation methods of step S3101, and Figure 2A , Figure 3A Other related parts in the embodiments involved will not be described in detail here.
[0366] Step S3202: Determine the first priority value of the first CSI report and the second priority value of the second CSI report.
[0367] The optional implementation of step S3202 can be found in [reference]. Figure 2A Steps S2102 and S2103 Figure 3A Optional implementation methods of steps S3102 and S3103, and Figure 2A , Figure 3A Other related parts in the embodiments involved will not be described in detail here.
[0368] Step S3203: Determine the third CSI report based on the first priority value and the second priority value.
[0369] For optional implementations of step S3203, please refer to [link / reference]. Figure 2A Step S2104 Figure 3A Optional implementation methods of step S3104, and Figure 2A , Figure 3A Other related parts in the embodiments involved will not be described in detail here.
[0370] Step S3204: Do not update the third CSI report.
[0371] The optional implementation of step S3204 can be found in [reference]. Figure 2A Step S2105 Figure 3A Optional implementation methods of step S3105, and Figure 2A , Figure 3A Other related parts in the embodiments involved will not be described in detail here.
[0372] The methods involved in the embodiments of this disclosure may include at least one of the steps S3201 to S3204 described above. For example, step S3201 may be implemented as a standalone embodiment, step S3204 may be implemented as a standalone embodiment, and steps S3203+S3204 may be implemented as standalone embodiments, but are not limited thereto.
[0373] In some embodiments, steps S3201 to S3204 are all optional steps. For example, step S3201 is optional, and one or more of these steps may be omitted or substituted in different embodiments. As another example, step S3204 is optional, and one or more of these steps may be omitted or substituted in different embodiments.
[0374] Figure 3C This is a flowchart illustrating a communication method according to an embodiment of the present disclosure. Figure 3C As shown, this disclosure relates to a communication method, which can be executed by a terminal device. The method may include:
[0375] Step S3301: Determine that the sum of the first CPU value and the second CPU value is greater than the CPU threshold.
[0376] The optional implementation of step S3301 can be found in [reference]. Figure 2A Step S2101 Figure 3A Optional implementation methods of step S3101, and Figure 2A , Figure 3A Other related parts in the embodiments involved will not be described in detail here.
[0377] Step S3302: Determine the third CSI report.
[0378] The optional implementation of step S3302 can be found in [reference]. Figure 2A Step S2104 Figure 3A Optional implementation methods of step S3104, and Figure 2A , Figure 3A Other related parts in the embodiments involved will not be described in detail here.
[0379] Step S3303: Do not update the third CSI report.
[0380] For optional implementations of step S3303, please refer to [link / reference]. Figure 2A Step S2105 Figure 3A Optional implementation methods of step S3105, and Figure 2A , Figure 3A Other related parts in the embodiments involved will not be described in detail here.
[0381] The methods involved in the embodiments of this disclosure may include at least one of the steps S3301 to S3303 described above. For example, step S3301 may be implemented as a standalone embodiment, step S3303 may be implemented as a standalone embodiment, and steps S3302+S3303 may be implemented as standalone embodiments, but are not limited thereto.
[0382] In some embodiments, steps S3301 to S3303 are all optional steps. For example, step S3301 is optional, and one or more of these steps may be omitted or substituted in different embodiments. As another example, step S3303 is optional, and one or more of these steps may be omitted or substituted in different embodiments.
[0383] Figure 3D This is a flowchart illustrating a communication method according to an embodiment of the present disclosure. Figure 3D As shown, this disclosure relates to a communication method, which can be executed by a terminal device. The method may include:
[0384] Step S3401: Determine that the sum of the first CPU value and the second CPU value is greater than the CPU threshold.
[0385] For optional implementations of step S3401, please refer to [link / reference]. Figure 2A Step S2101 Figure 3A Optional implementation methods of step S3101, and Figure 2A , Figure 3A Other related parts in the embodiments involved will not be described in detail here.
[0386] Step S3402: Do not update the third CSI report.
[0387] The optional implementation of step S3402 can be found in [reference]. Figure 2A Step S2105 Figure 3A Optional implementation methods of step S3105, and Figure 2A , Figure 3A Other related parts in the embodiments involved will not be described in detail here.
[0388] In some embodiments, the CPU threshold is determined in the following manner:
[0389] Determine the third CPU value required to update the fourth CSI report, wherein the fourth CSI report is the CSI report that starts updating before a specified symbol and needs to continue updating at that specified symbol, wherein the specified symbol is the symbol at which the updating of the first CSI report and the second CSI report needs to begin;
[0390] The difference between the specified CPU value and the third CPU value is used as the CPU threshold, where the specified CPU value is the CPU value that the terminal device can support.
[0391] In some embodiments, the first CPU value is any one of the following:
[0392] The number of Channel State Information Reference Signal (CSI-RS) resources included in the Channel Measurement Resources (CMR);
[0393] The difference between the number of CSI-RS resources included in CMR and 1; 1;
[0395] The product of a first quantity and a second quantity, wherein the first quantity is the number of transceiver points (TRPs) and the second quantity is determined based on the capabilities of the terminal equipment;
[0396] The product of the third quantity and the second quantity, wherein the third quantity is the difference between the quantity of TRP and 1.
[0397] In some embodiments, the method further includes:
[0398] Determine the first priority value of the first CSI report and the second priority value of the second CSI report;
[0399] The third CSI report is determined based on the first priority value and the second priority value.
[0400] In some embodiments, determining the first priority value of the first CSI report and the second priority value of the second CSI report includes:
[0401] Based on the first parameters and first information of the first CSI report, the first priority value is determined, wherein the first information includes at least one of the following: reporting method, index of serving cell, maximum number of serving cells, report configuration identifier, and maximum number of CSI report configurations;
[0402] The second priority value is determined based on the first parameter and first information in the second CSI report.
[0403] In some embodiments, the reporting method includes any one of the following:
[0404] Aperiodic CSI reports carried on the Physical Uplink Shared Channel (PUSCH);
[0405] Semi-persistent CSI reports carried on PUSCH;
[0406] Semi-persistent CSI reports carried on the Physical Uplink Control Channel (PUCCH);
[0407] Periodic CSI reports carried on PUCCH.
[0408] In some embodiments, the first parameter of the first CSI report includes any one of the following:
[0409] The value of the first parameter in the first CSI report is less than or equal to 0;
[0410] The value of the first parameter in the first CSI report is greater than or equal to 1;
[0411] The first parameter of the first CSI report has a value greater than or equal to 0 and less than or equal to 1;
[0412] Specifically, the first parameter of the second CSI report carrying L1-RSRP or L1-SINR is 0; the first parameter of the second CSI report not carrying L1-RSRP or L1-SINR is 1.
[0413] In some embodiments, the first CSI report includes at least one of the following:
[0414] The time difference between a first arrival time and a second arrival time, wherein the first arrival time is the arrival time of a first reference signal on a CSI-RS resource, and the second arrival time is the arrival time of a second reference signal on a reference CSI-RS resource;
[0415] The frequency offset between the first reference signal and the second reference signal;
[0416] The phase offset between the first reference signal and the second reference signal;
[0417] The second parameter corresponding to the first reference signal and / or the second parameter corresponding to the second reference signal, wherein the second parameter includes at least one of the following: Doppler frequency shift, Doppler spread, average time delay, and time delay spread;
[0418] The difference between the second parameter corresponding to the first reference signal and the second parameter corresponding to the second reference signal.
[0419] In some embodiments, the first arrival time is the time when the first reference signal arrives at the terminal device, and the second arrival time is the time when the second reference signal arrives at the terminal device.
[0420] In some embodiments, the time difference includes the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; or, the time difference does not include the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; wherein, the time domain position includes at least one of the following: time slot position, symbol position.
[0421] In some embodiments, the method further includes:
[0422] Identify the reference CSI-RS resource.
[0423] In some embodiments, determining the reference CSI-RS resource includes:
[0424] The network device receives second information, the second information including channel measurement resources (CMR), the CMR including at least one CSI-RS resource;
[0425] The reference CSI-RS resource is determined from the at least one CSI-RS resource.
[0426] In some embodiments, determining the reference CSI-RS resource from the at least one CSI-RS resource includes any one of the following:
[0427] The designated CSI-RS resource among the at least one CSI-RS resources is used as the reference CSI-RS resource, wherein the designated CSI-RS resource is the CSI-RS resource indicated by the network device or the first CSI-RS resource among the at least one CSI-RS resources;
[0428] The first CSI-RS resource that arrives at the terminal device from the at least one CSI-RS resource is used as the reference CSI-RS resource.
[0429] In some embodiments, the second CSI report includes at least one of the following:
[0430] CSI-RS Resource Indicator - Rank Indicator - Precoding Matrix Indicator - Channel Quality Indicator CRI-RI-PMI-CQI;
[0431] CRI-RI-i1;
[0432] CRI-RI-i1-CQI;
[0433] CRI-RI-CQI;
[0434] CRI-RSRP;
[0435] CRI-SINR;
[0436] Synchronization signal block-index-reference signal received power SSB-Index-RSRP;
[0437] SSB-Index-SINR;
[0438] CRI-RI-Layer Indicator LI-PMI-CQI;
[0439] CRI-RSRP-Index;
[0440] SSB-Index-RSRP-Index;
[0441] CRI-SINR-Index;
[0442] SSB-Index-SINR-Index or Time Domain Channel Attribute (TDCP).
[0443] Figure 4 This is a flowchart illustrating a communication method according to an embodiment of the present disclosure. Figure 4 As shown, this disclosure relates to a communication method that can be executed by a network device. The method may include:
[0444] Step S4101: Obtain the updated fifth CSI report and / or the unupdated third CSI report.
[0445] The optional implementation of step S4101 can be found in [reference]. Figure 2A Optional implementation methods of step S2105, and Figure 2A Other related parts in the embodiments involved will not be described in detail here.
[0446] In some embodiments, the network device may receive an updated fifth CSI report and / or an outdated third CSI report sent by the terminal device, but is not limited thereto, the network device may also receive an updated fifth CSI report and / or an outdated third CSI report sent by other entities.
[0447] In some embodiments, the CPU threshold is determined in the following manner:
[0448] Determine the third CPU value required to update the fourth CSI report, wherein the fourth CSI report is the CSI report that starts updating before a specified symbol and needs to continue updating at that specified symbol, wherein the specified symbol is the symbol at which the updating of the first CSI report and the second CSI report needs to begin;
[0449] The difference between the specified CPU value and the third CPU value is used as the CPU threshold, where the specified CPU value is the CPU value that the terminal device can support.
[0450] In some embodiments, the first CPU value is any one of the following:
[0451] The number of Channel State Information Reference Signal (CSI-RS) resources included in the Channel Measurement Resources (CMR);
[0452] The difference between the number of CSI-RS resources included in CMR and 1; 1;
[0454] The product of a first quantity and a second quantity, wherein the first quantity is the number of transceiver points (TRPs) and the second quantity is determined based on the capabilities of the terminal equipment;
[0455] The product of the third quantity and the second quantity, wherein the third quantity is the difference between the quantity of TRP and 1.
[0456] In some embodiments, the third CSI report is determined based on a first priority value of the first CSI report and a second priority value of the second CSI report. The first priority value is determined based on a first parameter and first information of the first CSI report, and the second priority value is determined based on a first parameter and first information of the second CSI report. The first information includes at least one of the following: reporting method, index of serving cell, maximum number of serving cells, report configuration identifier, and maximum number of CSI report configurations.
[0457] In some embodiments, the reporting method includes any of the following:
[0458] Aperiodic CSI reports carried on the Physical Uplink Shared Channel (PUSCH);
[0459] Semi-persistent CSI reports carried on PUSCH;
[0460] Semi-persistent CSI reports carried on the Physical Uplink Control Channel (PUCCH);
[0461] Periodic CSI reports carried on PUCCH.
[0462] In some embodiments, the first parameter of the first CSI report includes any one of the following:
[0463] The value of the first parameter in the first CSI report is less than or equal to 0;
[0464] The value of the first parameter in the first CSI report is greater than or equal to 1;
[0465] The first parameter of the first CSI report has a value greater than or equal to 0 and less than or equal to 1;
[0466] Specifically, the first parameter of the second CSI report carrying L1-RSRP or L1-SINR is 0; the first parameter of the second CSI report not carrying L1-RSRP or L1-SINR is 1.
[0467] In some embodiments, the first CSI report includes at least one of the following:
[0468] The time difference between a first arrival time and a second arrival time, wherein the first arrival time is the arrival time of a first reference signal on a CSI-RS resource, and the second arrival time is the arrival time of a second reference signal on a reference CSI-RS resource;
[0469] The frequency offset between the first reference signal and the second reference signal;
[0470] The phase offset between the first reference signal and the second reference signal;
[0471] The second parameter corresponding to the first reference signal and / or the second parameter corresponding to the second reference signal, wherein the second parameter includes at least one of the following: Doppler frequency shift, Doppler spread, average time delay, and time delay spread;
[0472] The difference between the second parameter corresponding to the first reference signal and the second parameter corresponding to the second reference signal.
[0473] In some embodiments, the first arrival time is the time when the first reference signal arrives at the terminal device, and the second arrival time is the time when the second reference signal arrives at the terminal device.
[0474] In some embodiments, the time difference includes the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; or, the time difference does not include the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; wherein, the time domain position includes at least one of the following: time slot position, symbol position.
[0475] In some embodiments, the method further includes:
[0476] The terminal device sends second information, the second information including channel measurement resources (CMR), the CMR including at least one CSI-RS resource; the second information is used by the terminal device to determine the reference CSI-RS resource from the at least one CSI-RS resource.
[0477] In some embodiments, the second CSI report includes at least one of the following:
[0478] CSI-RS Resource Indicator - Rank Indicator - Precoding Matrix Indicator - Channel Quality Indicator CRI-RI-PMI-CQI;
[0479] CRI-RI-i1;
[0480] CRI-RI-i1-CQI;
[0481] CRI-RI-CQI;
[0482] CRI-RSRP;
[0483] CRI-SINR;
[0484] Synchronization signal block-index-reference signal received power SSB-Index-RSRP;
[0485] SSB-Index-SINR;
[0486] CRI-RI-Layer Indicator LI-PMI-CQI;
[0487] CRI-RSRP-Index;
[0488] SSB-Index-RSRP-Index;
[0489] CRI-SINR-Index;
[0490] SSB-Index-SINR-Index or Time Domain Channel Attribute (TDCP).
[0491] Figure 5 This is a flowchart illustrating a communication method according to an embodiment of the present disclosure. Figure 5 As shown, this disclosure relates to a communication method, which can be executed by a communication system. The method may include:
[0492] Step S5101: The terminal device determines that the sum of the first CPU value and the second CPU value is greater than the CPU threshold, and does not update the third CSI report to the network device.
[0493] The optional implementation of step S5101 can be found in [reference]. Figure 2A Step S2105 Figure 3A Step S3105 Figure 4 Optional implementation methods of step S4101, and Figure 2A , Figure 3A , Figure 4 Other related parts in the embodiments involved will not be described in detail here.
[0494] In some embodiments, the above methods may include the methods described in the embodiments of the communication system, terminal device, network device, etc., which will not be repeated here.
[0495] The communication method described in the embodiments of this disclosure will be explained below with reference to specific examples.
[0496] In Example 1, the terminal device determines the CPU of the first CSI report. When both the first CSI report and the second CSI report need to start updating at this symbol (designated symbol), and the terminal device has already started updating a third CSI report before this symbol and the third CSI report needs to continue updating at this symbol, if the CPU occupied by the first CSI report, the second CSI report, and the third CSI report is greater than the maximum CPU that the terminal device can support, the terminal device will not update the first CSI report or the second CSI report with lower priority.
[0497] a) Because the third CSI report has already started updating before this symbol, the CPU for the third CSI report must be reserved, for example, the CPU required for the third CSI report is L.
[0498] b) For the first and second CSI reports that need to be updated only at this symbol, if the CPU occupied by the first and second CSI reports is greater than NL, the first and second CSI reports are sorted according to priority, and the first or second CSI report with lower priority is not updated, where N is the maximum number of CPUs that the terminal device can support.
[0499] Example 2, based on Example 1, the CPU value of the first report is any one of the following:
[0500] a)O CPU =K s K s The number of CSI-RS resources included in the CMR;
[0501] b)O CPU =K s -1, K s The number of CSI-RS resources included in CMR;
[0502] c)O CPU =1;
[0503] d)O CPU =x·N TRP x is reported by the UE capability (rounded down if the CPU value is not an integer). N TRP This is the number of TRPs used for CJT transmission, which can be the same as the number of CSI-RS resources included in CMR;
[0504] e)O CPU =x·(N) TRP -1), x is reported by the UE capability (if the CPU is not an integer, it is rounded down).
[0505] Example 3, based on Example 1, the priority value can be determined based on formula (6):
[0506] Where y = 0 indicates that a non-periodic CSI report is carried on the PUSCH, y = 1 indicates that a semi-persistent CSI report is carried on the PUSCH, y = 2 indicates that a semi-persistent CSI report is carried on the PUCCH, and y = 3 indicates that a periodic CSI report is carried on the PUCCH. k = 0 indicates that a CSI report carrying L1-RSRP and L1-SINR is carried, and k = 1 indicates that a CSI report not carrying L1-RSRP or L1-SINR is carried. c is the index of the serving cell, N cells The value of the higher-level parameter maxNrofServingCells, where s is the report configuration identifier (reportConfigID), and M... s This refers to the value of the higher-level parameter `maxNrofCSI-ReportConfigurations`. Only `k` is relevant to different CSI report types.
[0507] A higher priority value indicates a lower priority.
[0508] Example 4, based on Example 3, the value of k in the first CSI report can include any of the following:
[0509] a) The priority of the first CSI report is priority 1: higher than other CSI reports, that is, the value of k in the first CSI report can be less than 0.
[0510] Other CSI reports may include at least one of the following:
[0511] cri-RI-i1;
[0512] cri-RI-i1-CQI;
[0513] cri-RI-CQI;
[0514] cri-RSRP;
[0515] cri-SINR;
[0516] Synchronization signal block ssb-index-RSRP;
[0517] ssb-Index-SINR;
[0518] cri-RI-LI-PMI-CQI;
[0519] cri-RSRP-Index;
[0520] ssb-Index-RSRP-Index;
[0521] cri-SINR-Index;
[0522] ssb-Index-SINR-Index or tdcp.
[0523] b) The priority of the first CSI report is priority 2: lower than other CSI reports, that is, the value of k in the first CSI report can be greater than 1.
[0524] c) The priority of the first CSI report is priority 3: the same as other CSI reports except L1-RSRP or L1-SINR, that is, the value of k in the first CSI report can be less than 1.
[0525] Example 5, based on Example 1, the first CSI report may include at least one of the following:
[0526] a) The difference between the arrival time of the reference signal (RS) on the CSI-RS resource and the arrival time of the RS on the reference CSI-RS resource;
[0527] b) Frequency offset between RS on CSI-RS resource and RS on Reference CSI-RS resource;
[0528] c) The phase offset between the RS on the CSI-RS resource and the RS on the Reference CSI-RS resource;
[0529] d) At least one of the following: Doppler shift, Doppler spread, average delay, and delay spread, corresponding to the RS on each CSI-RS resource;
[0530] e) At least one of the following: Doppler frequency shift difference, Doppler spread difference, average delay difference, and delay spread difference between the RS on the CSI-RS resource and the RS on the Reference CSI-RS resource.
[0531] Example 6, based on Example 5, defines the arrival time difference as the time difference between two different RSs arriving at the UE side.
[0532] a) Arrival time can take into account the slot and symbol positions corresponding to the two RSs, that is, the arrival time should include the impact of the difference in slot and symbol positions corresponding to the CSI-RS resources; or,
[0533] b) Arrival time can disregard the slot and symbol positions corresponding to the two RSs, that is, it is assumed that the slot and symbol positions corresponding to the two RSs are the same, and only the arrival time difference caused by the different positions or propagation paths of the two TRPs is included.
[0534] Example 7: Based on Example 5, the terminal device determines the reference CSI-RS resource.
[0535] Example 8, based on Example 7, involves a terminal device receiving a reference signal resource configuration. This reference signal resource includes a CMR, and the CMR contains multiple CSI-RS resources. The terminal device then determines a reference CSI-RS resource. The determination method may include:
[0536] a) Base station indication:
[0537] Display Indicator: Indicates which of the multiple CSI-RS resources included in the CMR is the reference CSI-RS resource;
[0538] Implicit instruction: Use the first CSI-RS resource as the reference CSI-RS resource.
[0539] b) Terminal device reporting:
[0540] The terminal device measures and determines the earliest arriving CSI-RS resource as the reference CSI-RS resource.
[0541] In some embodiments of this disclosure, a communication system is provided, which may include a terminal device and a network device, wherein the terminal device may execute the communication method executed by the terminal device in the foregoing embodiments of this disclosure; and the network device may execute the communication method executed by the network device in the foregoing embodiments of this disclosure.
[0542] This disclosure also provides an apparatus for implementing any of the above methods. For example, an apparatus is provided that includes units or modules for implementing the steps performed by the terminal in any of the above methods. Alternatively, another apparatus is provided 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.
[0543] 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), and 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), such as a Field Programmable Gate Array (FPGA), which 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.
[0544] 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. In addition, it can also be hardware circuits designed for artificial intelligence, which can be understood as ASICs, such as Neural Network Processing Units (NPUs), Tensor Processing Units (TPUs), and Deep Learning Processing Units (DPUs).
[0545] Figure 6A This is a schematic diagram of the structure of a terminal device according to an embodiment of this disclosure. Figure 6A As shown, the terminal device 101 may include at least one of a transceiver module 6101, a processing module 6102, etc. In some embodiments, the transceiver module 6101 is configured to determine that the sum of the CPU value of the first channel state information (CSI) processing unit and the second CPU value is greater than a CPU threshold, wherein the first CPU value is the CPU required to update the first CSI report, the second CPU value is the CPU required to update the second CSI report, and the third CSI report is not updated, wherein the third CSI report is the CSI report with lower priority than the first CSI report and the second CSI report. Optionally, the transceiver module 6101 may be used to perform at least one of the communication steps such as sending and / or receiving performed by the terminal device 101 in any of the above methods (e.g., step S2105, but not limited thereto), which will not be elaborated here.
[0546] In some embodiments, the transceiver module may include a transmitting module and / or a receiving module, which may be separate or integrated. Optionally, the transceiver module may be interchangeable with a transceiver.
[0547] Figure 6B This is a schematic diagram of the structure of a network device according to an embodiment of this disclosure. Figure 6B As shown, the network device 102 may include at least one of a transceiver module 6201, a processing module 6202, etc. In some embodiments, the transceiver module 6201 is configured to receive a fifth CSI report updated by the terminal device and / or a third CSI report that has not been updated when the sum of the CPU value of the first channel state information (CSI) processing unit and the second CPU value is greater than a CPU threshold. The first CPU value is the CPU required to update the first CSI report, and the second CPU value is the CPU required to update the second CSI report. The fifth CSI report includes CSI reports other than the third CSI report, and the third CSI report is the CSI report with lower priority than the first CSI report and the second CSI report. Optionally, the transceiver module 6201 may be used to perform at least one of the communication steps (such as step S4101, but not limited thereto) performed by the network device 102 in any of the above methods, which will not be described in detail here.
[0548] In some embodiments, the transceiver module may include a transmitting module and / or a receiving module, which may be separate or integrated. Optionally, the transceiver module may be interchangeable with a transceiver.
[0549] Figure 7A This is a schematic diagram of the structure of the communication device 7100 proposed in this embodiment. The communication device 7100 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 first 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 7100 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.
[0550] like Figure 7AAs shown, the communication device 7100 includes one or more processors 7101. The processor 7101 can be a general-purpose processor or a dedicated processor, such as a baseband processor or a central processing unit (CPU). The baseband processor can be used to process communication protocols and communication data, while the CPU can be used to control communication devices (e.g., base stations, baseband chips, IoT devices, IoT device chips, DUs or CUs, etc.), execute programs, and process program data. The communication device 7100 is used to execute any of the above methods.
[0551] In some embodiments, the communication device 7100 further includes one or more memories 7102 for storing instructions. Optionally, all or part of the memories 7102 may also be located outside the communication device 7100.
[0552] In some embodiments, the communication device 7100 further includes one or more transceivers 7103. When the communication device 7100 includes one or more transceivers 7103, the transceivers 7103 perform at least one of the communication steps such as sending and / or receiving in the above method (e.g., step S2105, step S4101, but not limited thereto), and the processor 7101 performs at least one of other steps (e.g., step S2101, but not limited thereto).
[0553] In some embodiments, a transceiver may include a receiver and / or a transmitter, which may be separate or integrated. Optionally, the terms transceiver, transceiver unit, transceiver, transceiver circuit, etc., may be used interchangeably; the terms transmitter, transmitting unit, transmitter, transmitting circuit, etc., may be used interchangeably; and the terms receiver, receiving unit, receiver, receiving circuit, etc., may be used interchangeably.
[0554] In some embodiments, the communication device 7100 may include one or more interface circuits. Optionally, the interface circuit is connected to the memory 7102, and the interface circuit can be used to receive signals from the memory 7102 or other devices, and can be used to send signals to the memory 7102 or other devices. For example, the interface circuit can read instructions stored in the memory 7102 and send the instructions to the processor 7101.
[0555] The communication device 7100 described in the above embodiments may be a first device or an Internet of Things (IoT) device, but the scope of the communication device 7100 described in this disclosure is not limited thereto, and the structure of the communication device 7100 may vary. Figure 7AThe limitations. The communication device can be a standalone device or part of a larger device. For example, the communication device can be: (1) a standalone integrated circuit IC, or chip, or chip system or subsystem; (2) a collection of one or more ICs, optionally including storage components for storing data and programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, Internet of Things device, smart Internet of Things device, cellular phone, wireless device, handheld device, mobile unit, vehicle device, first device, cloud device, artificial intelligence device, etc.; (6) others, etc.
[0556] Figure 7B This is a schematic diagram of the structure of chip 7200 according to an embodiment of this disclosure. For cases where the communication device 7100 can be a chip or a chip system, please refer to... Figure 7B The diagram shown is a schematic representation of the structure of chip 7200, but it is not limited to this.
[0557] Chip 7200 includes one or more processors 7201, which are used to perform any of the above methods.
[0558] In some embodiments, chip 7200 further includes one or more interface circuits 7203. Optionally, interface circuit 7203 is connected to memory 7202, and interface circuit 7203 can be used to receive signals from memory 7202 or other devices, and interface circuit 7203 can be used to send signals to memory 7202 or other devices. For example, interface circuit 7203 can read instructions stored in memory 7202 and send the instructions to processor 7201.
[0559] In some embodiments, the interface circuit 7203 performs at least one of the communication steps such as sending and / or receiving in the above method (e.g., step S2101, step S4101, but not limited thereto), and the processor 7201 performs at least one of the other steps (e.g., step S2102, but not limited thereto).
[0560] In some embodiments, the terms interface circuit, interface, transceiver pin, transceiver, etc., can be used interchangeably.
[0561] In some embodiments, chip 7200 further includes one or more memories 7202 for storing instructions. Optionally, all or part of the memories 7202 may be located outside of chip 7200.
[0562] This disclosure also proposes a storage medium storing instructions that, when executed on a communication device 7100, cause the communication device 7100 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.
[0563] This disclosure also provides a program product that, when executed by the communication device 7100, causes the communication device 7100 to perform any of the above methods. Optionally, the program product may be a computer program product.
[0564] This disclosure also proposes a computer program that, when run on a computer, causes the computer to perform any of the above methods.
Claims
1. A communication method, characterized in that, The method, executed by a terminal device, includes: The sum of the CPU value of the first channel state information (CSI) processing unit and the second CPU value is determined to be greater than the CPU threshold. The first CPU value is the CPU required to update the first CSI report, and the second CPU value is the CPU required to update the second CSI report. The third CSI report is not updated. The third CSI report is the CSI report with lower priority than the first CSI report and the second CSI report. The CPU threshold is determined in the following way: Determine the third CPU value required to update the fourth CSI report, wherein the fourth CSI report is the CSI report that starts updating before a specified symbol and needs to continue updating at that specified symbol, wherein the specified symbol is the symbol at which the updating of the first CSI report and the second CSI report needs to begin; The difference between the specified CPU value and the third CPU value is used as the CPU threshold, where the specified CPU value is the CPU value that the terminal device can support. The first CPU value is the product of a first quantity and a second quantity, where the first quantity is the number of transceiver points (TRPs) and the second quantity is determined based on the capabilities of the terminal device.
2. The method according to claim 1, characterized in that, The method further includes: Determine the first priority value of the first CSI report and the second priority value of the second CSI report; The third CSI report is determined based on the first priority value and the second priority value.
3. The method according to claim 2, characterized in that, Determining the first priority value of the first CSI report and the second priority value of the second CSI report includes: Based on the first parameters and first information of the first CSI report, the first priority value is determined, wherein the first information includes at least one of the following: reporting method, index of serving cell, maximum number of serving cells, report configuration identifier, and maximum number of CSI report configurations; The second priority value is determined based on the first parameter and first information in the second CSI report.
4. The method according to claim 3, characterized in that, The reporting method includes any one of the following: Aperiodic CSI reports carried on the Physical Uplink Shared Channel (PUSCH); Semi-persistent CSI reports carried on PUSCH; Semi-persistent CSI reports carried on the Physical Uplink Control Channel (PUCCH); Periodic CSI reports carried on PUCCH.
5. The method according to any one of claims 1-4, characterized in that, The first parameter of the first CSI report includes any one of the following: The value of the first parameter in the first CSI report is less than or equal to 0; The value of the first parameter in the first CSI report is greater than or equal to 1; The first parameter of the first CSI report has a value greater than or equal to 0 and less than or equal to 1; The first parameter of the second CSI report carrying the Layer 1 Reference Signal Received Power (L1-RSRP) or the Layer 1 Signal-to-Interference-plus-Noise Ratio (L1-SINR) is 0; the first parameter of the second CSI report not carrying L1-RSRP or L1-SINR is 1.
6. The method according to claim 1, characterized in that, The first CSI report includes at least one of the following: The time difference between a first arrival time and a second arrival time, wherein the first arrival time is the arrival time of a first reference signal on a CSI-RS resource, and the second arrival time is the arrival time of a second reference signal on a reference CSI-RS resource; The frequency offset between the first reference signal and the second reference signal; The phase offset between the first reference signal and the second reference signal; The second parameter corresponding to the first reference signal and / or the second parameter corresponding to the second reference signal, wherein the second parameter includes at least one of the following: Doppler frequency shift, Doppler spread, average time delay, and time delay spread; The difference between the second parameter corresponding to the first reference signal and the second parameter corresponding to the second reference signal.
7. The method according to claim 6, characterized in that, The first arrival time is the time when the first reference signal arrives at the terminal device, and the second arrival time is the time when the second reference signal arrives at the terminal device.
8. The method according to claim 6 or 7, characterized in that, The time difference includes the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; or, the time difference does not include the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; wherein, the time domain position includes at least one of the following: time slot position, symbol position.
9. The method according to claim 6, characterized in that, The method further includes: Identify the reference CSI-RS resource.
10. The method according to claim 9, characterized in that, Determining the reference CSI-RS resource includes: The network device receives second information, the second information including channel measurement resources (CMR), the CMR including at least one CSI-RS resource; The reference CSI-RS resource is determined from the at least one CSI-RS resource.
11. The method according to claim 10, characterized in that, Determining the reference CSI-RS resource from the at least one CSI-RS resource includes any one of the following: The designated CSI-RS resource among the at least one CSI-RS resources is used as the reference CSI-RS resource, wherein the designated CSI-RS resource is the CSI-RS resource indicated by the network device or the first CSI-RS resource among the at least one CSI-RS resources; The first CSI-RS resource that arrives at the terminal device from the at least one CSI-RS resource is used as the reference CSI-RS resource.
12. The method according to claim 1, characterized in that, The second CSI report includes at least one of the following: CSI-RS Resource Indicator - Rank Indicator - Precoding Matrix Indicator - Channel Quality Indicator CRI-RI-PMI-CQI; CRI-RI-i1; CRI-RI-i1-CQI; CRI-RI-CQI; CRI-RSRP; CRI-SINR; Synchronization signal block-index-reference signal received power SSB-Index-RSRP; SSB-Index-SINR; CRI-RI-Layer Indicator LI-PMI-CQI; CRI-RSRP-Index; SSB-Index-RSRP-Index; CRI-SINR-Index; SSB-Index-SINR-Index or Time Domain Channel Attribute (TDCP).
13. A communication method, characterized in that, Performed by a network device, the method includes: The receiving terminal device updates a fifth CSI report and / or does not update a third CSI report when it determines that the sum of the CPU value of the first channel state information (CSI) processing unit and the second CPU value is greater than the CPU threshold. The first CPU value is the CPU required to update the first CSI report, and the second CPU value is the CPU required to update the second CSI report. The fifth CSI report includes CSI reports other than the third CSI report. The third CSI report is the CSI report with lower priority among the first CSI report and the second CSI report. The CPU threshold is the difference between a specified CPU value and a third CPU value; wherein, the specified CPU value is the CPU value that the terminal device can support; the third CPU value is the CPU value required to update the fourth CSI report; the fourth CSI report is a CSI report that starts updating before a specified symbol and still needs to be updated at the specified symbol; the specified symbol is the symbol corresponding to when the first CSI report and the second CSI report need to start updating. The first CPU value is the product of a first quantity and a second quantity, where the first quantity is the number of transceiver points (TRPs) and the second quantity is determined based on the capabilities of the terminal device.
14. The method according to claim 13, characterized in that, The third CSI report is determined based on the first priority value of the first CSI report and the second priority value of the second CSI report. The first priority value is determined based on the first parameter and first information of the first CSI report, and the second priority value is determined based on the first parameter and first information of the second CSI report. The first information includes at least one of the following: reporting method, index of serving cell, maximum number of serving cells, report configuration identifier, and maximum number of CSI reports configured.
15. The method according to claim 14, characterized in that, The reporting method includes any of the following: Aperiodic CSI reports carried on the Physical Uplink Shared Channel (PUSCH); Semi-persistent CSI reports carried on PUSCH; Semi-persistent CSI reports carried on the Physical Uplink Control Channel (PUCCH); Periodic CSI reports carried on PUCCH.
16. The method according to any one of claims 13-15, characterized in that, The first parameter of the first CSI report includes any one of the following: The value of the first parameter in the first CSI report is less than or equal to 0; The value of the first parameter in the first CSI report is greater than or equal to 1; The first parameter of the first CSI report has a value greater than or equal to 0 and less than or equal to 1; The first parameter of the second CSI report carrying the Layer 1 Reference Signal Received Power (L1-RSRP) or the Layer 1 Signal-to-Interference-plus-Noise Ratio (L1-SINR) is 0; the first parameter of the second CSI report not carrying L1-RSRP or L1-SINR is 1.
17. The method according to claim 13, characterized in that, The first CSI report includes at least one of the following: The time difference between a first arrival time and a second arrival time, wherein the first arrival time is the arrival time of a first reference signal on a CSI-RS resource, and the second arrival time is the arrival time of a second reference signal on a reference CSI-RS resource; The frequency offset between the first reference signal and the second reference signal; The phase offset between the first reference signal and the second reference signal; The second parameter corresponding to the first reference signal and / or the second parameter corresponding to the second reference signal, wherein the second parameter includes at least one of the following: Doppler frequency shift, Doppler spread, average time delay, and time delay spread; The difference between the second parameter corresponding to the first reference signal and the second parameter corresponding to the second reference signal.
18. The method according to claim 17, characterized in that, The first arrival time is the time when the first reference signal arrives at the terminal device, and the second arrival time is the time when the second reference signal arrives at the terminal device.
19. The method according to claim 17 or 18, characterized in that, The time difference includes the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; or, the time difference does not include the time interval between the time domain position corresponding to the first reference signal and the time domain position corresponding to the second reference signal; wherein, the time domain position includes at least one of the following: time slot position, symbol position.
20. The method according to claim 17, characterized in that, The method further includes: The terminal device sends second information, the second information including channel measurement resources (CMR), the CMR including at least one CSI-RS resource; the second information is used by the terminal device to determine the reference CSI-RS resource from the at least one CSI-RS resource.
21. The method according to claim 13, characterized in that, The second CSI report includes at least one of the following: CSI-RS Resource Indicator - Rank Indicator - Precoding Matrix Indicator - Channel Quality Indicator CRI-RI-PMI-CQI; CRI-RI-i1; CRI-RI-i1-CQI; CRI-RI-CQI; CRI-RSRP; CRI-SINR; Synchronization signal block-index-reference signal received power SSB-Index-RSRP; SSB-Index-SINR; CRI-RI-Layer Indicator LI-PMI-CQI; CRI-RSRP-Index; SSB-Index-RSRP-Index; CRI-SINR-Index; SSB-Index-SINR-Index or Time Domain Channel Attribute (TDCP).
22. A terminal device, characterized in that, include: The transceiver module is configured to determine that the sum of the CPU value of the first channel state information (CSI) processing unit and the second CPU value is greater than a CPU threshold. The first CPU value is the CPU required to update the first CSI report, the second CPU value is the CPU required to update the second CSI report, and the third CSI report is not updated. The third CSI report is the CSI report with lower priority between the first CSI report and the second CSI report. The CPU threshold is determined in the following way: Determine the third CPU value required to update the fourth CSI report, wherein the fourth CSI report is the CSI report that starts updating before a specified symbol and needs to continue updating at that specified symbol, wherein the specified symbol is the symbol at which the updating of the first CSI report and the second CSI report needs to begin; The difference between the specified CPU value and the third CPU value is used as the CPU threshold, where the specified CPU value is the CPU value that the terminal device can support. The first CPU value is the product of a first quantity and a second quantity, where the first quantity is the number of transceiver points (TRPs) and the second quantity is determined based on the capabilities of the terminal device.
23. A network device, characterized in that, include: The transceiver module is configured to receive a fifth CSI report updated by the terminal device and / or a third CSI report that has not been updated when the sum of the CPU value of the first channel state information (CSI) processing unit and the second CPU value is greater than a CPU threshold. The first CPU value is the CPU required to update the first CSI report, and the second CPU value is the CPU required to update the second CSI report. The fifth CSI report includes CSI reports other than the third CSI report, and the third CSI report is the CSI report with lower priority among the first CSI report and the second CSI report. The CPU threshold is the difference between a specified CPU value and a third CPU value; wherein, the specified CPU value is the CPU value that the terminal device can support; the third CPU value is the CPU value required to update the fourth CSI report; the fourth CSI report is a CSI report that starts updating before a specified symbol and still needs to be updated at the specified symbol; the specified symbol is the symbol corresponding to when the first CSI report and the second CSI report need to start updating. The first CPU value is the product of a first quantity and a second quantity, where the first quantity is the number of transceiver points (TRPs) and the second quantity is determined based on the capabilities of the terminal device.
24. A communication device, characterized in that, include: One or more processors; The communication device is used to perform the communication method according to any one of claims 1 to 12 or claims 13 to 21.
25. A communication system, characterized in that, The communication system includes a terminal device and a network device, wherein the terminal device is configured to implement the communication method according to any one of claims 1 to 12, and the network device is configured to implement the communication method according to any one of claims 13 to 21.
26. A storage medium storing instructions, characterized in that, When the instructions are executed on a communication device, the communication device performs the communication method as described in any one of claims 1 to 12 or claims 13 to 21.
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