Sensing resource indication method, and apparatus

Abstract

The present application relates to the technical field of sensing. Provided are a sensing resource indication method and an apparatus. The method comprises: determining N frequency bands, N being an integer greater than 1, the ratio of the bandwidth of a first frequency band among the N frequency bands to a first spacing being a first ratio, the first spacing being a spacing between the maximum frequency of a second frequency band and the minimum frequency of a third frequency band, and the first ratio satisfying a first condition; and transmitting first information, the first information being used for indicating the N frequency bands, the N frequency bands being used for transmitting or receiving a first sensing signal, the first condition being related to a first parameter, and the first parameter being used for indicating a threshold of the ranging sidelobe performance of the first sensing signal. By constraining the frequency band spacings of the frequency bands, the first condition allows for a balance between the resolution performance and the ranging resolution performance and between the sidelobe performance and the ranging sidelobe performance, thereby ensuring that the frequency band spacings are limitedly increased when the actual ranging sidelobe performance of the first sensing signal satisfies the desired ranging sidelobe performance.

Description

Method and apparatus for indicating sensing resource

[0001] The present application claims priority to the Chinese patent application No. 202410725433.7, filed on June 5, 2024, and entitled "Method and apparatus for indicating sensing resource", the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0002] The present application relates to the technical field of sensing, and more particularly, to a method and apparatus for indicating sensing resource. BACKGROUND

[0003] Wireless sensing technology can obtain the characteristics of the signal propagation space (or referred to as channel) by analyzing the changes of wireless signals in the propagation process, so as to realize the sensing of the scene. The scene here can include biological factors (such as whether there is a living being and the position, posture, action, etc. of the living being), and can also include other non-biological factors (such as buildings, moving vehicles, etc.).

[0004] However, in the wireless sensing scene, how to support the sensing device to use multiple frequency bands for effective sensing is a problem to be solved. SUMMARY

[0005] The present application provides a method and apparatus for indicating sensing resource. The multiple frequency bands indicated to the sensing device can satisfy certain conditions, so that the sensing signals corresponding to these frequency bands can balance the ranging resolution performance and the ranging sidelobe performance, thereby supporting the sensing device to use multiple frequency bands for effective sensing.

[0006] In a first aspect, a method for indicating sensing resource is provided. The execution subject of the method provided in the first aspect can be a first device. In the absence of special description, the first device in the present application can refer to the first device itself (such as a network device, a terminal device or other devices), or can refer to a component (such as a processor, a chip, or a chip system, etc.) in the first device, or can also refer to a logic module or software that can realize all or part of the functions of the first device. For ease of description, the first device is taken as an example for description hereinafter.

[0007] The method comprises: determining N frequency bands, N being an integer greater than 1, a ratio between a bandwidth of a first frequency band and a first interval being a first ratio, the first interval being an interval between a maximum frequency of a second frequency band and a minimum frequency of a third frequency band, the second frequency band and the third frequency band being any two adjacent frequency bands in the N frequency bands, the maximum frequency of the second frequency band being less than the minimum frequency of the third frequency band, the first ratio satisfying a first condition, the first frequency band being: the second frequency band, or the third frequency band, or a frequency band other than the second frequency band and the third frequency band in the N frequency bands; and sending first information, the first information being used to indicate the N frequency bands, the N frequency bands being used to send or receive a first sensing signal, the first condition being related to a first parameter, the first parameter being used to indicate a threshold of ranging sidelobe performance of the first sensing signal.

[0008] Based on the above scheme, the first device can indicate a plurality of frequency bands to the sensing device, and the plurality of frequency bands can be used to send or receive a first sensing signal. The first ratio in the above scheme can indicate the interval (referred to as “frequency band interval” for short) of two adjacent frequency bands in the plurality of frequency bands, for example, the first interval. Wherein, the frequency band interval has a certain influence on the ranging resolution performance and the ranging sidelobe performance. Assuming that the bandwidth of the frequency band is unchanged, the larger the frequency band interval, the better the ranging resolution performance of the first sensing signal, but the ranging sidelobe performance is lower; the smaller the frequency band interval, the lower the ranging resolution performance of the first sensing signal, but the ranging sidelobe performance is better. In the embodiment of the present application, the frequency band interval of the plurality of frequency bands used for sensing satisfies a certain condition, and the condition is related to a parameter used to indicate the threshold of the ranging sidelobe performance (or referred to as the expected ranging sidelobe performance). Therefore, the first condition can balance the ranging resolution performance and the ranging sidelobe performance by restricting the frequency band interval of the plurality of frequency bands. For example, although increasing the frequency band interval can improve the ranging resolution performance, in the embodiment of the present application, due to the restriction of the first condition, the frequency band interval will not increase indefinitely, but will increase the frequency band interval within the range that ensures that the actual ranging sidelobe performance of the first sensing signal meets the expected ranging sidelobe performance, so as to improve the ranging resolution performance while meeting the requirement of the expected ranging sidelobe performance.

[0009] In some embodiments, the threshold of the ranging sidelobe performance of the first sensing signal is less than the threshold of the ranging sidelobe performance of the second sensing signal, and the first ratio is greater than the second ratio, wherein the second sensing signal is transmitted or received on the M frequency bands, a ratio between a bandwidth of a fourth frequency band and a second interval in the M frequency bands is the second ratio, M is an integer greater than 1, the second interval is an interval between a maximum frequency of a fifth frequency band and a minimum frequency of a sixth frequency band, the fifth frequency band and the sixth frequency band are any two adjacent frequency bands in the M frequency bands, the maximum frequency of the fifth frequency band is less than the minimum frequency of the sixth frequency band, the bandwidth of the fourth frequency band is equal to the bandwidth of the first frequency band, and the fourth frequency band is: the fifth frequency band, or the sixth frequency band, or a frequency band other than the fifth frequency band and the sixth frequency band in the M frequency bands.

[0010] Based on the above scheme, assuming that the bandwidth of the frequency band is unchanged, the first ratio is greater than the second ratio, and the frequency band interval of the N frequency bands is less than the frequency band interval of the M frequency bands. Therefore, better ranging sidelobe performance corresponds to smaller frequency band interval. In this way, under the condition that the N frequency bands satisfy the first condition, the N frequency bands can achieve the expected ranging sidelobe performance.

[0011] In some embodiments, the first condition includes at least one of the following:

[0012] wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, and the reciprocal of k is the first parameter.

[0013] Through the above embodiment, the first condition can be determined by table lookup. The processing overhead required for table lookup to determine the first condition is small, so the above embodiment can reduce the processing overhead of the first device.

[0014] In some embodiments, the first condition includes:

[0015] wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, and the reciprocal of k is the first parameter.

[0016] Through the above embodiment, the first condition can be determined by a formula. The storage space required for formula determination of the first condition is small, so the above embodiment can save the storage space of the first device.

[0017] In some embodiments, the first condition includes at least one of the following:

[0018] wherein PSLR represents a peak sidelobe ratio (PSLR), dB represents decibel, B gapThe first interval is represented by B, the bandwidth of the first frequency band, the reciprocal of k, and PSLR, which are the first parameters.

[0019] In the above embodiment, the first condition can be determined by a lookup table. The processing overhead required for determining the first condition by the lookup table is small, and thus the above embodiment can reduce the processing overhead of the first device.

[0020] In some implementations, the first condition comprises:

[0021] wherein B gap The first interval is represented by B, the bandwidth of the first frequency band, the reciprocal of k, and PSLR, which are the first parameters, and PSLR represents a peak-to-sidelobe ratio, and the reference point of PSLR is c represents the speed of light, and M = B / △, wherein △ represents the subcarrier spacing of the first frequency band.

[0022] In the above embodiment, the first condition can be determined by a formula. The storage space required for determining the first condition by the formula is small, and thus the above embodiment can save the storage space of the first device.

[0023] In some implementations, the first information comprises indices of the N frequency bands.

[0024] Based on the above scheme, the first information can comprise indices of the N frequency bands. In this way, the second device can quickly determine the N frequency bands according to the indices of the N frequency bands, thereby improving the efficiency of the second device in determining the N frequency bands.

[0025] In some implementations, the first information comprises the first parameters.

[0026] Based on the above scheme, the first information can comprise the first parameters. In this way, the receiving end of the first information can determine the N subcarriers according to the first parameters. In the above scheme, the first information carries less content, thereby reducing the signaling overhead.

[0027] In some implementations, the first information further comprises first indication information, and the first indication information is used to indicate at least one of the following: the starting frequency of the N frequency bands, N, or the bandwidth of the first frequency band.

[0028] Based on the above scheme, the first indication information can indicate a plurality of signaling combinations, so that the receiving end of the first information can determine the N frequency bands.

[0029] In some implementations, the first ratio is an integer after rounding.

[0030] According to the scheme, the first ratio can be an integer obtained according to the first condition. In this way, the N frequency bands corresponding to the first ratio are suitable for frequency bands discretely distributed in a given bandwidth, thereby improving the applicability of the scheme.

[0031] In some implementations, the N frequency bands include a seventh frequency band and an eighth frequency band, and the seventh frequency band and the eighth frequency band are identical in at least one of a subcarrier spacing, a cyclic prefix length, or a frequency reference point.

[0032] According to the scheme, the N frequency bands can have the same subcarrier spacing, cyclic prefix length, or frequency reference point, which is simple in parameter configuration and facilitates implementation.

[0033] In some implementations, the N frequency bands are N component carriers (CCs).

[0034] In some implementations, the method further includes transmitting or receiving the first sensing signal according to the N frequency bands.

[0035] In a second aspect, a sensing method is provided. The execution subject of the method provided in the second aspect can be a second device. In the absence of special description, the second device in the present application can refer to the second device itself (for example, a network device or a terminal device), a component (for example, a processor, a chip, or a chip system) in the second device, or a logic module or software capable of realizing all or part of the functions of the second device. For ease of description, the second device is taken as an example in the following description.

[0036] The method includes receiving first information, the first information being used to indicate N frequency bands, N being an integer greater than 1, a ratio between a bandwidth of a first frequency band in the N frequency bands and a first interval being a first ratio, the first interval being an interval between a maximum frequency of a second frequency band and a minimum frequency of a third frequency band, the second frequency band and the third frequency band being any two adjacent frequency bands in the N frequency bands, the maximum frequency of the second frequency band being less than the minimum frequency of the third frequency band, the first ratio satisfying a first condition, the first frequency band being: the second frequency band, or the third frequency band, or a frequency band other than the second frequency band and the third frequency band in the N frequency bands; transmitting or receiving a first sensing signal according to the N frequency bands, the first condition being related to a first parameter, the first parameter being used to indicate a threshold of a ranging sidelobe performance of the first sensing signal.

[0037] In some embodiments, the threshold of the ranging sidelobe performance of the first sensing signal is less than the threshold of the ranging sidelobe performance of the second sensing signal, and the first ratio is greater than the second ratio, wherein the second sensing signal is transmitted or received on the M frequency bands, a ratio between a bandwidth of a fourth frequency band and the second interval is the second ratio, M is an integer greater than 1, the second interval is an interval between a maximum frequency of a fifth frequency band and a minimum frequency of a sixth frequency band, the fifth frequency band and the sixth frequency band are any two adjacent frequency bands in the M frequency bands, the maximum frequency of the fifth frequency band is less than the minimum frequency of the sixth frequency band, the bandwidth of the fourth frequency band is equal to the bandwidth of the first frequency band, and the fourth frequency band is: the fifth frequency band, or the sixth frequency band, or a frequency band other than the fifth frequency band and the sixth frequency band in the M frequency bands.

[0038] In some embodiments, the first condition comprises at least one of:

[0039] wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, and the reciprocal of k is the first parameter.

[0040] In some embodiments, the first condition comprises:

[0041] wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, and the reciprocal of k is the first parameter.

[0042] In some embodiments, the first condition comprises at least one of:

[0043] wherein PSLR represents a peak sidelobe ratio, dB represents decibel, and B gap represents the first interval, B represents the bandwidth of the first frequency band, and the reciprocal of k and PSLR are the first parameters.

[0044] In some embodiments, the first condition comprises:

[0045] wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, and the reciprocal of k and PSLR are the first parameters, PSLR represents a peak sidelobe ratio, and the reference point of PSLR is c represents the speed of light, and M = B / △, wherein △ represents the subcarrier spacing of the first frequency band.

[0046] In some embodiments, the first information comprises indexes of the N frequency bands.

[0047] In some embodiments, the first information comprises a first parameter.

[0048] In some embodiments, the first information further comprises first indication information, the first indication information being used for indicating at least one of a starting frequency of the N frequency bands, N, or a bandwidth of the first frequency band.

[0049] In some embodiments, the first ratio is an integer after rounding.

[0050] In some embodiments, the N frequency bands comprise a first frequency band and a second frequency band, the first frequency band being identical to the second frequency band in at least one of a subcarrier spacing, a cyclic prefix length, or a frequency reference point.

[0051] In some embodiments, the N frequency bands are N CCs.

[0052] In a third aspect, a perception apparatus is provided, which comprises a processing circuit (or processor) and an input-output interface (also referred to as an interface circuit), the input-output interface being configured to input and / or output signals, and the processing circuit being configured to perform the first aspect and any possible implementation of the first aspect, or the processing circuit being configured to perform the second aspect and any possible implementation of the second aspect.

[0053] In some embodiments, the processing circuit is configured to communicate with other apparatuses via the interface circuit, and perform the first aspect and any possible implementation of the first aspect, or the second aspect and any possible implementation of the second aspect.

[0054] In a fourth aspect, a perception apparatus is provided. The perception apparatus can comprise devices or modules, etc. for performing the functions of the perception apparatus.

[0055] In some embodiments, the perception apparatus can comprise modules or units corresponding to the methods / operations / steps / actions described in the first aspect and any possible implementation of the first aspect, which can be hardware circuits, software, or a combination of hardware circuits and software.

[0056] In some embodiments, the first apparatus comprises a processing unit and a transceiving unit. The processing unit can be configured to determine N frequency bands, N being an integer greater than 1, a ratio between a bandwidth of a first frequency band and a first interval being a first ratio, the first interval being an interval between a maximum frequency of a second frequency band and a minimum frequency of a third frequency band, the second frequency band and the third frequency band being any two adjacent frequency bands in the N frequency bands, the maximum frequency of the second frequency band being less than the minimum frequency of the third frequency band, the first ratio satisfying a first condition, the first frequency band being: the second frequency band, or the third frequency band, or a frequency band other than the second frequency band and the third frequency band in the N frequency bands. The transceiving unit can be configured to transmit first information, the first information being used to indicate the N frequency bands, the N frequency bands being used to transmit or receive a first sensing signal, the first condition being related to a first parameter, the first parameter being used to indicate a threshold of a ranging sidelobe performance of the first sensing signal.

[0057] In some embodiments, the threshold of the ranging sidelobe performance of the first sensing signal is less than a threshold of a ranging sidelobe performance of a second sensing signal, the first ratio being greater than a second ratio; wherein the second sensing signal is transmitted or received on M frequency bands, a ratio between a bandwidth of a fourth frequency band and a second interval being the second ratio, M being an integer greater than 1, the second interval being an interval between a maximum frequency of a fifth frequency band and a minimum frequency of a sixth frequency band, the fifth frequency band and the sixth frequency band being any two adjacent frequency bands in the M frequency bands, the maximum frequency of the fifth frequency band being less than the minimum frequency of the sixth frequency band, the bandwidth of the fourth frequency band being equal to the bandwidth of the first frequency band, the fourth frequency band being: the fifth frequency band, or the sixth frequency band, or a frequency band other than the fifth frequency band and the sixth frequency band in the M frequency bands.

[0058] In some embodiments, the first condition comprises at least one of:

[0059] wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, and the reciprocal of k is the first parameter.

[0060] In some embodiments, the first condition comprises:

[0061] wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, and the reciprocal of k is the first parameter.

[0062] In some embodiments, the first condition comprises at least one of:

[0063] wherein PSLR represents a peak sidelobe ratio (PSLR), dB represents decibel, B represents a bandwidth of the first frequency band, and k represents a reciprocal of the first parameter. gap represents the first interval, B represents a bandwidth of the first frequency band, and k represents a reciprocal of the first parameter.

[0064] In some implementations, the first condition comprises:

[0065] wherein B gap represents the first interval, B represents a bandwidth of the first frequency band, and k represents a reciprocal of the first parameter, PSLR represents a peak sidelobe ratio, and the reference point of PSLR is c represents a speed of light, and M = B / △, wherein △ represents a subcarrier spacing of the first frequency band.

[0066] In some implementations, the first information comprises indices of the N frequency bands.

[0067] In some implementations, the first information comprises the first parameter.

[0068] In some implementations, the first information further comprises first indication information, the first indication information being used to indicate at least one of a starting frequency of the N frequency bands, N, or a bandwidth of the first frequency band.

[0069] In some implementations, the first ratio is an integer after rounding.

[0070] In some implementations, the N frequency bands comprise a seventh frequency band and an eighth frequency band, the seventh frequency band and the eighth frequency band being identical in at least one of a subcarrier spacing, a cyclic prefix length, or a frequency reference point.

[0071] In some implementations, the N frequency bands are N CCs.

[0072] In some implementations, the method further comprises: transmitting or receiving the first sensing signal according to the N frequency bands.

[0073] In some implementations, the sensing apparatus can comprise a module or unit corresponding to each of the methods / operations / steps / actions described in the second aspect and any possible implementation of the second aspect, which can be a hardware circuit, or software, or a combination of hardware circuit and software.

[0074] In some embodiments, the second apparatus comprises a transceiver. The transceiver can be configured to receive first information, the first information being used to indicate N frequency bands, N being an integer greater than 1, a ratio between a bandwidth of a first frequency band and a first interval being a first ratio, the first interval being an interval between a maximum frequency of a second frequency band and a minimum frequency of a third frequency band, the second frequency band and the third frequency band being any two adjacent frequency bands in the N frequency bands, the maximum frequency of the second frequency band being less than the minimum frequency of the third frequency band, the first ratio satisfying a first condition, the first frequency band being: the second frequency band, or the third frequency band, or a frequency band other than the second frequency band and the third frequency band in the N frequency bands; and transmit or receive a first sensing signal according to the N frequency bands, the first condition being related to a first parameter, the first parameter being used to indicate a threshold of a ranging sidelobe performance of the first sensing signal.

[0075] In some embodiments, the threshold of the ranging sidelobe performance of the first sensing signal is less than a threshold of a ranging sidelobe performance of a second sensing signal, and the first ratio is greater than a second ratio; wherein the second sensing signal is transmitted or received on M frequency bands, a ratio between a bandwidth of a fourth frequency band and a second interval being the second ratio, M being an integer greater than 1, the second interval being an interval between a maximum frequency of a fifth frequency band and a minimum frequency of a sixth frequency band, the fifth frequency band and the sixth frequency band being any two adjacent frequency bands in the M frequency bands, the maximum frequency of the fifth frequency band being less than the minimum frequency of the sixth frequency band, the bandwidth of the fourth frequency band being equal to the bandwidth of the first frequency band, the fourth frequency band being: the fifth frequency band, or the sixth frequency band, or a frequency band other than the fifth frequency band and the sixth frequency band in the M frequency bands.

[0076] In some embodiments, the first condition comprises at least one of:

[0077] wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, and the reciprocal of k is the first parameter.

[0078] In some embodiments, the first condition comprises:

[0079] wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, and the reciprocal of k is the first parameter.

[0080] In some embodiments, the first condition comprises at least one of:

[0081] wherein PSLR represents a peak sidelobe ratio, dB represents decibel, B gapB represents a bandwidth of the first frequency band, and k represents a reciprocal of the first parameter.

[0082] In some implementations, the first condition comprises:

[0083] wherein B gap B represents a bandwidth of the first frequency band, k represents a reciprocal of the first parameter, and PSLR represents a peak-to-sidelobe ratio, and a reference point of PSLR is c represents a speed of light, and M = B / △, wherein △ represents a subcarrier spacing of the first frequency band.

[0084] In some implementations, the first information comprises indices of the N frequency bands.

[0085] In some implementations, the first information comprises the first parameter.

[0086] In some implementations, the first information further comprises first indication information, the first indication information being used to indicate at least one of a starting frequency of the N frequency bands, N, or a bandwidth of the first frequency band.

[0087] In some implementations, the first ratio is an integer after rounding.

[0088] In some implementations, the N frequency bands comprise a first frequency band and a second frequency band, and the first frequency band and the second frequency band are identical in at least one of a subcarrier spacing, a cyclic prefix length, or a frequency reference point.

[0089] In some implementations, the N frequency bands are N CCs.

[0090] In a fifth aspect, a computer-readable storage medium is provided, and the computer-readable storage medium has stored thereon a computer program or instructions, which, when executed, cause the first aspect and any possible method of the first aspect to be performed (or implemented), or cause the second aspect and any possible method of the second aspect to be performed (or implemented).

[0091] In a sixth aspect, a computer program product is provided, and the computer program product contains a computer program or instructions, which, when executed, cause the first aspect and any possible method of the first aspect to be performed (or implemented), or cause the second aspect and any possible method of the second aspect to be performed (or implemented).

[0092] In a seventh aspect, there is provided a sensing device comprising a processor configured to cause any of the methods of the first aspect, and / or any of the methods of the second aspect, to be performed (or implemented) by executing computer programs (or computer executable instructions) stored in a memory, and / or by logic circuitry.

[0093] In a possible implementation, the sensing device further comprises a memory. In a possible implementation, the processor and the memory are integrated together. In another possible implementation, the memory is located outside the sensing device. The processor can comprise one or more.

[0094] In a possible implementation, the sensing device further comprises a communication interface for the sensing device to transmit or receive information, such as data and / or signals, with other devices. By way of example, the communication interface can be a transceiver, a circuit, a bus, a module, or other types of communication interfaces.

[0095] In an implementation, the sensing device of the third aspect, the fourth aspect, or the seventh aspect can be a chip or a chip system.

[0096] In an eighth aspect, there is provided a chip comprising a processor configured to invoke computer programs or computer instructions in a memory to cause any of the implementations of the first aspect to be performed (or implemented), or to cause any of the implementations of the second aspect to be performed (or implemented).

[0097] In a possible implementation, the chip further comprises a memory. In a possible implementation, the processor and the memory are integrated together. In another possible implementation, the memory is located outside the chip. The processor can comprise one or more.

[0098] In some implementations, the processor is coupled to the memory via an interface.

[0099] In a ninth aspect, there is provided a sensing system comprising a first device configured to perform any of the first aspect and the implementations of the first aspect, and a second device configured to perform any of the second aspect and the implementations of the second aspect.

[0100] The descriptions of the benefits of any of the second aspect to the ninth aspect can refer to the descriptions of the benefits of the first aspect. BRIEF DESCRIPTION OF DRAWINGS

[0101] FIG. 1 is a schematic diagram of a communication system.

[0102] FIG. 2 is a schematic block diagram of some sensing systems.

[0103] FIG. 3 is a schematic diagram of a perception ranging.

[0104] FIG. 4 is a schematic diagram of a multi-band allocation according to an embodiment of the present application.

[0105] FIG. 5 is a schematic diagram of some ranging response functions according to an embodiment of the present application.

[0106] FIG. 6 is a schematic flowchart of a perception resource indication method according to an embodiment of the present application.

[0107] FIG. 7 is a schematic diagram of some bands or frequencies according to an embodiment of the present application.

[0108] FIG. 8 is a schematic diagram of some other ranging response functions according to an embodiment of the present application.

[0109] FIG. 9 is a schematic flowchart of another perception resource indication method according to an embodiment of the present application.

[0110] FIG. 10 is a schematic flowchart of yet another perception resource indication method according to an embodiment of the present application.

[0111] FIG. 11 is a schematic flowchart of still another perception resource indication method according to an embodiment of the present application.

[0112] FIG. 12 is a schematic diagram of some bands according to an embodiment of the present application.

[0113] FIG. 13 is a schematic block diagram of a communication apparatus according to an embodiment of the present application.

[0114] FIG. 14 is a schematic block diagram of another communication apparatus according to an embodiment of the present application. DETAILED DESCRIPTION

[0115] In the present application, the terms and / or descriptions of different embodiments are consistent and can be referred to each other if there is no special description and logical conflict, and the technical features of different embodiments can be combined to form new embodiments according to their inherent logical relationship.

[0116] In the present application, "at least one" means one or more, and "multiple" means two or more. The "and / or" describes the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B can represent: A exists alone, A and B exist together, and B exists alone, where A and B can be singular or plural. In the textual description of the present application, the character " / " generally represents an "or" relationship between the associated objects before and after it. "At least one of the following" or similar expressions means any combination of these items, including any combination of single item or multiple items. For example, at least one of a, b and c can mean: a, or b, or c, or a and b, or a and c, or b and c, or a, b and c. Where a, b and c can be single or multiple.

[0117] In the present application, "first", "second", and various numerical numbers (for example, #1, #2, etc.) indicate the differentiation for the convenience of description, and are not used to limit the scope of the embodiments of the present application. For example, to distinguish different messages, etc., rather than to describe a specific order or sequence. It should be understood that the objects thus described can be interchanged under appropriate circumstances, so as to be able to describe schemes other than the embodiments of the present application.

[0118] In the present application, "when", "in the case of", "if" and the like all refer to the objective situation in which the device will make corresponding processing, and are not limited to time, and do not require the device to have a judgment action when implemented, nor does it mean that there are other limitations.

[0119] In the present application, "indicate" or "for indicating" can include direct indication and indirect indication. When describing that certain indication information is used to indicate A, it can include that the indication information directly indicates A or indirectly indicates A, and it does not mean that A must be carried in the indication information.

[0120] The indication mode related by the embodiments of the present application should be understood as covering various methods that can make the to-be-indicated party know the to-be-indicated information. The to-be-indicated information can be sent as a whole, or can be sent separately in multiple sub-information, and the sending period and / or sending opportunity of these sub-information can be the same or different, and the present application does not limit the sending method.

[0121] The "indication information" in the embodiments of the present application can be explicit indication, that is, directly indicated by signaling, or obtained according to the parameters indicated by the signaling, combined with other rules or combined with other parameters or by deduction. It can also be implicit indication, that is, obtained according to rules or relationships, or according to other parameters, or by deduction. The present application does not make specific limitations on this.

[0122] In the present application, the "protocol" can refer to a standard protocol in the field of communication, which can include 5G protocol, NR protocol and related protocols applied in future communication systems, and the present application does not limit it. The "predefined" can include predefinition. For example, protocol definition. The "preconfigured" can be realized by pre-saving the corresponding code, table or other means that can be used to indicate related information in the device, and the present application does not limit its implementation manner.

[0123] In the present application, "communication" can also be described as "data transmission", "information transmission", "data processing" and the like. "Transmission" includes "sending" and "receiving". Exemplarily, the transmission can be uplink transmission, for example, the terminal device can send a signal to the network device; the transmission can also be downlink transmission, for example, the network device can send a signal to the terminal device; the transmission can also be sidelink transmission, for example, the terminal device can send a signal to another terminal device. Exemplarily, the "transmission" can be air interface level transmission, or can be signal sending at chip input (I) / output (O) port, rather than air interface level transmission.

[0124] In the present application, "message", "information", "signal" or "information element (IE)" and the like can be used interchangeably, and the name of the message or information is not limited in any way, as long as the corresponding function can be realized.

[0125] "Sending information to XX (device)" can be understood as that the destination of the information is the device. It can include directly or indirectly sending information to the device. "Receiving information from XX (device), or receiving information from XX (device)" can be understood as that the source of the information is the device, which can include directly or indirectly receiving information from the device. The information can be processed as necessary between the source and the destination of the information sending, such as format change, etc., but the destination can understand the valid information from the source. Similar expressions in the present application can be understood similarly, and will not be repeated here. In addition, "sending" can also be understood as "output" of the chip interface, and "receiving" can also be understood as "input" of the chip interface. In other words, "sending" or "receiving" can be carried out between devices, for example, the network device and the terminal device send or receive through the air interface respectively, and "sending" or "receiving" can also be carried out within the device, for example, through the bus, wire or interface between the components, modules, chips, software modules or hardware modules within the device.

[0126] In this application, the words "exemplary," "for example," and the like are used to illustrate examples, examples, or descriptions, and to present concepts in a specific manner. Any embodiment or design scheme described as "exemplary" in this application should not be interpreted as more preferred or more advantageous than other embodiments or design schemes. In the embodiments of this application, "of", "corresponding", "corresponding" and "associated" can be used interchangeably, and it should be pointed out that when their differences are not emphasized, their meanings are consistent.

[0127] In this application, the configuration can be signaling configuration, or described as configuration signaling. For example, signaling configuration includes configuration by signaling sent by the base station, which can be radio resource control (RRC) message, downlink control information (DCI), or system information block (SIB). Alternatively, the signaling configuration can also be configured to the terminal device by pre-configuration, or configured to the terminal device by pre-configuration. Here, pre-configuration is to define or configure the value of the corresponding parameter in advance in the protocol, and store it in the terminal device when communicating with the terminal device. The pre-configuration message can be modified or updated under the condition that the terminal device is connected to the network.

[0128] This application will present various aspects, embodiments or features around a system that can include multiple devices, components, modules, etc. Each system can include devices, components, modules, etc. in addition to the illustrated devices, components, modules, etc., and / or can not include all and all devices, components, modules, etc. discussed in conjunction with the drawings.

[0129] The service scenarios described in the embodiments of this application are used to more clearly illustrate the technical solutions of the embodiments of this application, and do not constitute a limitation on the technical solutions provided by the embodiments of this application. Those skilled in the art can know that with the emergence of new service scenarios, the technical solutions provided by the embodiments of this application are also applicable to similar technical problems.

[0130] In various embodiments of this application, the size of the serial number of each process does not mean the order of execution, and the execution order of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of this application.

[0131] References to "one embodiment" or "some embodiments" as used in this specification mean that one or more embodiments of this application include a specific feature, structure, or characteristic described in connection with that embodiment. Therefore, the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in still other embodiments," etc., appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless otherwise specifically emphasized.

[0132] The technical solutions of this application embodiment can be applied to various communication systems, including but not limited to: Long Term Evolution (LTE) systems, New Radio (NR) systems, and other fifth-generation (5G) systems. th This includes various systems that evolve after 5G, such as mobile communication systems, narrowband Internet of Things (NB-IoT) systems, enhanced machine-type communication (eMTC) systems, enhanced mobile broadband (eMBB) systems, ultra-reliable low-latency communications (URLLC) systems, satellite communication systems, LTE-machine-to-machine (LTE-M) systems, and future communication systems.

[0133] The technical solutions in this application will now be described with reference to the accompanying drawings.

[0134] FIG. 1 is a schematic diagram of a communication system 100. As shown in FIG. 1, the communication system 100 includes a radio access network 110 and a core network 120, and optionally, the communication system 100 can further include an Internet 130. The radio access network 110 can include at least one network device (e.g., 111a and 111b in FIG. 1) and at least one terminal device (e.g., 112a-112j in FIG. 1). The terminal device is connected to the network device in a wireless manner. The network device is connected to the core network 120 in a wireless or wired manner. The core network 120 can include one or more core network devices. The core network device and the network device can be independent and different physical devices, or the functions of the core network device and the logical functions of the network device can be integrated on the same physical device, or a physical device can integrate part of the functions of the core network device and part of the functions of the network device. The terminal device and the terminal device, and the network device and the network device can be connected to each other in a wired or wireless manner. The terminal device and the terminal device, the network device and the network device, and the terminal device and the network device can communicate with each other in a wireless manner through air interface resources. Exemplarily, the air interface resources can include at least one of time domain resources, frequency domain resources, code resources and space resources. It should be noted that FIG. 1 is only a schematic diagram, and the communication system 100 can further include other network devices, such as wireless relay devices and wireless backhaul devices, which are not shown in FIG. 1.

[0135] The network device can be any device with wireless transceiver function. For example, the network device can be a base station for connecting a terminal device to a radio access network (RAN). The network device can also be referred to as an access network device or an access network node. It can be understood that in systems using different radio access technologies, the names of devices with network device functions can be different. For convenience of description, the apparatuses providing wireless communication access functions for terminal devices in the embodiments of the present application are collectively referred to as base stations. In the embodiments of the present application, the network device includes, but is not limited to, various forms of macro base stations (such as 111a in FIG. 1), micro base stations or indoor stations (such as 111b in FIG. 1), pico base stations, small stations, balloon stations, relay stations, access points, etc. The network device can include an evolved node B (eNB or eNodeB) in LTE, an access point (AP) in a wireless fidelity (WiFi) system, a wireless relay node, a wireless backhaul node, a transmission point (TP), or a transmission reception point (TRP), etc. It can also include a next generation NodeB (gNB) or transmission point (TRP or TP) in a 5G system or a 5.5G system, one or a group of (including multiple antenna panels) antenna panels of a base station in a 5G system, a network node constituting a gNB or a transmission point, such as a baseband unit (BBU) or a distributed unit (DU), and can also include network devices, servers or vehicle-mounted devices in networks evolved after 5G, etc. The network device can also be a module or unit that completes part of the functions of the base station, for example, it can be a central unit (CU) or a DU. The AP can include WiFi 5, WiFi 6 or future WiFi APs. However, the present application is not limited to this, for example, the AP can also include an ultra wide band (UWB) AP.

[0136] In the embodiments of the present application, the apparatus for implementing the functions of the network device can be a network device or an apparatus capable of supporting the network device to implement the functions, such as a chip system, which can be installed in the network device. The chip system can be composed of a chip or can include a chip and other discrete devices.

[0137] In another possible scenario, multiple network devices cooperate to assist a terminal to implement wireless access, and different network devices respectively implement part of functions of a base station. For example, a network device can be a CU, a DU, a CU-control plane (CP), a CU-user plane (UP), or a radio unit (RU), etc. The CU and the DU can be separately arranged, or can be included in the same network element, for example, in a BBU. The RU can be included in a radio frequency device or a radio frequency unit, for example, in an RRU, an active antenna unit (AAU), or a remote radio head (RRH).

[0138] In different systems, the CU (or CU-CP and CU-UP), the DU, or the RU can also have different names, but those skilled in the art can understand their meanings. For example, in an open radio access network (O-RAN) system, the CU can also be referred to as an O-CU (open CU), the DU can also be referred to as an O-DU, the CU-CP can also be referred to as an O-CU-CP, the CU-UP can also be referred to as an O-CU-UP, and the RU can also be referred to as an O-RU. For the convenience of description, the CU, the CU-CP, the CU-UP, the DU, and the RU are taken as examples for description in this application. Any one of the CU (or the CU-CP, the CU-UP), the DU, and the RU in this application can be implemented by means of a software module, a hardware module, or a combination of a software module and a hardware module. The embodiments of this application do not limit the specific technology and the specific device form adopted by the network device.

[0139] The terminal device can be a device providing voice and / or data connectivity to users; the terminal device can also be a device having wireless connection function. The terminal device can be deployed on land, including indoor or outdoor, handheld or vehicle-mounted; can also be deployed on water surface (such as ships, etc.); can also be deployed in the air (such as airplanes, balloons and satellites, etc.). The terminal device can also be referred to as user equipment (UE), access terminal, terminal, subscriber unit, subscriber station, mobile station, mobile station (MS), mobile terminal (MT), remote station, remote terminal, mobile device, user terminal, wireless network device, user agent or user apparatus. In the embodiments of the present application, the terminal device includes but is not limited to: cellular phone, mobile phone, wireless data card, wireless modem, pad, laptop computer, notebook computer, palm computer, mobile internet device (MID), computer with wireless transceiver function, cordless phone, session initiation protocol (SIP) phone, smart phone, wireless local loop (WLL) station, personal digital assistant (PDA), handset with wireless communication function, computing device or other device connected to wireless modem, vehicle-mounted device (such as automobile, bicycle, electric vehicle, airplane, ship, train, high-speed rail, etc.), wearable device (such as smart watch, smart bracelet, pedometer, smart glasses, etc.), satellite terminal, terminal device in Internet of Things or Internet of Vehicles, and any form of terminal in future network, relay user equipment or terminal in future evolved public land mobile network (PLMN), etc.The terminal device can also be a virtual reality (VR) device, an augmented reality (AR) device, a smart point of sale (POS) machine, a customer-premises equipment (CPE), a light UE, a reduced capability UE (REDCAP UE), a machine type communication (MTC) terminal, a terminal device in industrial control, a terminal device in self driving, a terminal device in remote medical, a terminal device in smart grid, a wireless terminal in transportation safety, a terminal device in smart city, a terminal device in smart home, a haptic terminal device, a smart home device (e.g., a refrigerator, a television, an air conditioner, an electricity meter, etc.), a smart robot, a mechanical arm, a plant device, a wireless terminal in self driving, or a flight device (e.g., a smart robot, a hot air balloon, a drone, an airplane), and the like. The terminal device can also be a vehicle device, such as a whole vehicle device, a vehicle-mounted module, a vehicle-mounted chip, an on board unit (OBU), a telematics box (T-BOX), and the like. The terminal device can also be other devices with terminal functions, for example, the terminal device can also be a device with terminal functions in device to device (D2D) communication. The terminal device can also be a terminal in a WiFi system, for example, the terminal device can also be a UWB terminal, and the like. The embodiments of the present application do not limit the terminal device.

[0140] In the embodiments of the present application, the device for implementing the function of the terminal device can be a terminal device, or a device capable of supporting the terminal device to implement the function, such as a chip or a chip system, which can be installed in the terminal device. The chip system can be composed of a chip, or can include a chip and other discrete devices. In the technical solutions of the embodiments of the present application, the device for implementing the function of the terminal device is a terminal device, which can also be referred to as a terminal. In the following, the terminal device can be taken as an example of UE to describe the technical solutions provided by the embodiments of the present application. In addition, the terminal device can also be a user end (UE), and the UE mentioned in the present application can be a user equipment or a user end.

[0141] The roles of the base station and the terminal can be relative, for example, the helicopter or the drone 112i in FIG. 1 can be configured as a mobile base station, and for those terminals 112j accessing the wireless access network 110 through 112i, the terminal 112i is a base station; but for the base station 111a, 112i is a terminal, that is, 111a and 112i communicate through a wireless air interface protocol. Of course, 111a and 112i can also communicate through a base station-to-base station interface protocol, in which case 112i is also a base station relative to 111a. Therefore, both the base station and the terminal can be collectively referred to as a communication device, and 111a and 111b in FIG. 1 can be referred to as a communication device with base station function, and 112a-112j in FIG. 1 can be referred to as a communication device with terminal function.

[0142] The network device and the terminal device can communicate through a wireless link. The transmission link from the network device to the terminal device can be referred to as a downlink (DL) or a downlink channel, which is used to transmit a downlink signal. The transmission link from the terminal device to the network device can be referred to as an uplink (UL) or an uplink channel, which is used to transmit an uplink signal. Illustratively, the network device can send a downlink reference signal, such as a cell-specific reference signal (CRS), a UE-specific reference signal, to the terminal device through the downlink channel, for channel state information measurement, data demodulation, beam training, time-frequency parameter tracking, etc. The terminal device can send an uplink reference signal to the network device through the uplink channel, for uplink and downlink channel measurement, data demodulation, etc. The network device and the terminal device can also perform downlink data transmission through the downlink channel and uplink data transmission through the uplink channel.

[0143] The network device and other network devices can also communicate wirelessly, and the terminal device and other terminal devices can also communicate wirelessly.

[0144] The main function of the wireless communication system can include the exchange of information between transceivers. The basic principle of the wireless communication system can be that the sender sends a specific waveform signal, which is received by the receiver after passing through the wireless channel. After signal processing, the received waveform signal can demodulate the signal sent by the sender.

[0145] As an example of a perception system, radar can be applied to a wireless perception system. The basic principle of radar can be that the transmitter sends a specific waveform signal, which is received by the receiver after passing through the wireless channel. Signal processing combining the transmitted signal and the received signal can extract the target of interest (also referred to as a perception target or target) in the wireless channel.

[0146] From the physical process of sending, transmitting and receiving, wireless sensing and wireless communication are very similar. Exemplarily, integrated sensing and communication (ISAC) can realize the integration of wireless communication and sensing technology (e.g., sensing by radar), that is, sensing the surrounding environment while realizing communication.

[0147] The communication system shown in FIG. 1 can also be applied to a sensing scenario. In the case of being applied to a sensing scenario, the communication system shown in FIG. 1 can also be referred to as a sensing system or a communication-sensing system. For example, the terminal device and the network device shown in FIG. 1 can sense a sensing target.

[0148] FIG. 2 is a schematic block diagram of some sensing systems. The dashed line circle represents a sensing area. In a sensing scenario, a control end can control the process of sensing, for example, determine the frequency of the signal used for sensing, etc. A sending end can send a signal. The signal sent by the sending end can be received by a receiving end after being reflected by a sensing target. The receiving end can process the received signal to obtain a sensing result (or referred to as a sensing report). Exemplarily, the sensing target can include a car, a bicycle, a drone, etc., but the present application is not limited thereto, and the sensing target can also include other targets.

[0149] As an example, referring to (a) in FIG. 2, a network device (e.g., a BS) can act as a sending end and a control end, and a terminal device (e.g., a UE) can act as a receiving end. The signal sent by the network device (indicated by a solid arrow) can be received by the terminal device after being reflected by a sensing target (e.g., a car). The terminal device can perform signal processing on the received signal to obtain a sensing result. Optionally, the terminal device can perform signal processing at a processing node. The processing node can be inside the terminal device, or outside the terminal device, for example, the processing node can be in a network device, or a core network device, etc.

[0150] Exemplarily, the sensing result can include information such as the distance, speed, angle, intensity, etc. of the sensing target. The distance of the sensing target can include the distance between the sensing target and the sending end, or the distance between the sensing target and the receiving end, or the distance between the sensing target and other targets. The speed of the sensing target can include the linear speed of the sensing target, or the angular speed of the sensing target relative to the sending end, the receiving end or other targets. The angle of the sensing target can include the angle of the sensing target relative to the sending end, the receiving end or other targets. The intensity of the sensing target can include the mechanical strength of the sensing target, etc.

[0151] As an example, referring to (b) in FIG. 2, the terminal device can be a sending end, and the network device can be a receiving end and a control end. The signal sent by the terminal device can be received by the network device after being reflected by the sensing target. The network device can perform signal processing on the received signal to obtain the sensing result. Alternatively, the network device can perform signal processing at a processing node. The processing node can be inside the network device, or outside the network device, for example, the processing node can be in a core network device or the like.

[0152] As an example, referring to (c) in FIG. 2, the network device #1 can be a sending end and a control end, and the network device #2 can be a receiving end. The signal sent by the network device #1 can be received by the network device #2 after being reflected by the sensing target. The network device #2 can perform signal processing on the received signal to obtain the sensing result. Alternatively, the network device #2 can perform signal processing at a processing node. The processing node can be inside the network device #2, or outside the network device #2, for example, the processing node can be in the network device #1, or a core network device or the like.

[0153] As an example, referring to (d) in FIG. 2, the terminal device #1 can be a sending end and a control end, and the terminal device #2 can be a receiving end. The signal sent by the terminal device #1 can be received by the terminal device #2 after being reflected by the sensing target. The terminal device #2 can perform signal processing on the received signal to obtain the sensing result. Alternatively, the terminal device #2 can perform signal processing at a processing node. The processing node can be inside the terminal device #2, or outside the terminal device #2, for example, the processing node can be in a network device, or a core network device or the like.

[0154] As an example, referring to (e) in FIG. 2, the network device #1 can be a sending end, the network device #2 can be a receiving end, and the network device #3 can be a control end. The network device #3 can send information for controlling the sensing process to the network device #1 and the network device #2, as indicated by the dotted line arrow. The signal sent by the network device #1 can be received by the network device #2 after being reflected by the sensing target. The network device #2 can perform signal processing on the received signal to obtain the sensing result. Alternatively, the network device #2 can perform signal processing at a processing node. The processing node can be inside the network device #2, or outside the network device #2, for example, the processing node can be in the network device #1, the network device #3, or a core network device or the like.

[0155] As an example, referring to (f) in FIG. 2, the network device can serve as a sending end, a receiving end and a control end. The signal sent by the network device can be received by the network device after being reflected by the sensing target. The network device can perform signal processing on the received signal to obtain a sensing result. Alternatively, the network device can perform signal processing at a processing node. The processing node can be inside the network device or outside the network device, for example, the processing node can be in a core network device or the like.

[0156] As an example, referring to (g) in FIG. 2, the terminal device can serve as a sending end, a receiving end and a control end. The signal sent by the terminal device can be received by the terminal device after being reflected by the sensing target. The terminal device can perform signal processing on the received signal to obtain a sensing result. Alternatively, the terminal device can perform signal processing at a processing node. The processing node can be inside the terminal device or outside the terminal device, for example, the processing node can be in a network device, a core network device or the like.

[0157] The sensing performance can include ranging resolution performance and the like. The ranging resolution performance can be related to a signal bandwidth. The greater the bandwidth, the smaller the distance resolution, and the better the ranging resolution performance.

[0158] FIG. 3 is a schematic diagram of sensing ranging. In the following, an example of a calculation manner of distance resolution is introduced by taking sensing ranging as an example.

[0159] Sensing ranging can measure the distance between a sending device, a sensing target and a receiving device through a wireless signal. According to whether the receiving device and the sending device are at the same location, sensing ranging can be divided into two modes, namely, a double-base mode and a single-base mode, which are shown in (a) in FIG. 3 and (b) in FIG. 3, respectively.

[0160] Referring to (a) in FIG. 3, in the double-base ranging mode, the sending device and the receiving device are not at the same location. The distance measured in the double-base ranging mode is the sum of d1 and d2, that is, the distance d=d1+d2. The distance resolution corresponding to the double-base ranging is c / B, where c represents the speed of light in a vacuum, and B represents the bandwidth of the signal.

[0161] Referring to (b) in FIG. 3, in the single-base ranging mode, the sending device and the receiving device are at the same location, which is represented by a sending / receiving device in (b) in FIG. 3. The distance measured in the single-base ranging mode is d. The distance resolution corresponding to the single-base ranging is c / 2B, where c represents the speed of light in a vacuum, and B represents the bandwidth of the signal.

[0162] Furthermore, sensing performance can also include ranging sidelobe performance. Ranging sidelobe performance can be characterized by parameters such as the peak-to-side lobe ratio (PSLR). PSLR is the ratio of the peak intensity of the main lobe of the sensed signal to the peak intensity of the sidelobe with the largest peak intensity in that sensed signal. A larger PSLR indicates a greater difference between the peak intensity of the main lobe and the peak intensity of the sidelobe. In scenarios involving the sensing of multiple targets, a larger PSLR means that the main lobe of the sensed signal for a single target is less likely to be confused by the sidelobes of the sensed signals of neighboring targets, thus enabling better differentiation between different targets and resulting in better ranging sidelobe performance.

[0163] As shown in Figure 3, for sensing ranging, whether it is bi-base ranging mode or uni-base ranging mode, the larger the bandwidth, the smaller the distance resolution value, and thus the stronger the resolution capability, that is, the better the ranging resolution performance.

[0164] However, due to factors such as the scarcity of wireless spectrum resources, the spectrum resources used by operators for communication are almost always discontinuous. That is, the entire spectrum resource is divided into multiple contiguous parts in the frequency domain, and each contiguous part in the frequency domain can be called an available frequency band. These available frequency bands may not be contiguous. For example, in an NR system, the identifier for an available frequency band can be a band number, such as n3 and n5.

[0165] Applying these discontinuous available frequency bands to sensing scenarios results in a situation where the available frequency bands are also discontinuous. In particular, using only one available frequency band for sensing is insufficient to meet the performance requirements. For example, the bandwidth of a single available frequency band may be insufficient, leading to a high distance resolution value and thus poor ranging and resolution performance.

[0166] In communication scenarios, to address the issue that a single available frequency band cannot meet communication bandwidth requirements, the 3G Partnership Program (the 3G Partnership) was developed. rd The Generation Partner Project (3GPP) introduced carrier aggregation (CA). CA can aggregate multiple consecutive or non-consecutive frequency bands (CCs) into a larger bandwidth to meet 3GPP requirements. Two consecutive CCs refer to two CCs that are consecutive in the frequency domain; two non-consecutive CCs can refer to two CCs that are not consecutive in the frequency domain, or in other words, two CCs that have a gap in the frequency domain. An available frequency band can include one or more CCs.

[0167] CA can aggregate multiple CCs into a larger bandwidth, but since CA is mainly aimed at improving communication throughput, there are some problems when CA is directly applied to sensing. For example, for a communication scenario, multiple CCs can improve throughput, and the frequency interval between these CCs has little effect on the performance of CA. For a sensing scenario, the interval between CCs will affect the sensing performance. For example, the larger the interval between CCs, the better the ranging resolution performance, but the ranging sidelobe performance will be deteriorated. When the frequency band interval is too large, it can even cause multiple CCs to be incoherent.

[0168] FIG. 4 is a schematic diagram of a multi-band allocation according to an embodiment of the present application. Referring to FIG. 4, the right arrow indicates the frequency, and the larger the frequency is, the more to the right along the arrow. Each part of FIG. 4 shows four frequency bands, which are frequency band 1, frequency band 2, frequency band 3, and frequency band 4, respectively.

[0169] The four frequency bands shown in FIG. 4 can belong to one of the above-mentioned available frequency bands divided from the entire frequency spectrum resource, or belong to different available frequency bands. For example, frequency bands 1 to 4 can all belong to the available frequency band with frequency band number n3. For another example, frequency band 1 can belong to the available frequency band with frequency band number n3, and frequency bands 2 to 4 can belong to the available frequency band with frequency band number n5.

[0170] FIG. 5 is a schematic diagram of some ranging response functions according to an embodiment of the present application. (a) to (c) of FIG. 5 are schematic diagrams of the ranging response functions of (a) to (c) of FIG. 4, respectively.

[0171] The relationship between the frequency band interval, the ranging resolution performance, and the ranging sidelobe performance will be introduced below in combination with FIG. 4 and FIG. 5. FIG. 4 assumes that frequency bands 1 to 4 occupy equal bandwidths, for example, 100 megahertz (MHz). Those skilled in the art can understand that the above assumption does not constitute a limitation on the present application. The relationship between the frequency band interval, the ranging resolution performance, and the ranging sidelobe performance shown in FIG. 4 is also applicable to frequency bands with other bandwidths.

[0172] Example 1, referring to (a) of FIG. 4, the interval between two adjacent frequency bands in frequency bands 1 to 4 is 0 MHz. Referring to (a) of FIG. 5, the PSLR can be the ordinate of the point with a distance of 1.072 meters (m), which is about -13.3 dB. The ranging resolution performance of example 1 is taken as a reference for other examples, and is shown in solid lines in (b) and (c) of FIG. 5.

[0173] Example 2, referring to (b) of FIG. 4, the interval between two adjacent frequency bands in frequency bands 1 to 4 is B gapis -12.5dB. Compared with example 1, the PSLR of example 2 decreases by about 0.8dB. Therefore, the ranging sidelobe performance of example 2 decreases compared with example 1. In (b) of FIG. 5, the ranging response function of example 1 is represented by a solid line, and the ranging response function of example 2 is represented by a dashed line. It can be seen that the ranging resolution performance of example 2 is 1.2 times of the ranging resolution performance of example 1. Therefore, the ranging resolution performance of example 2 is improved compared with example 1.

[0174] In example 3, referring to (c) of FIG. 4, the interval B between two adjacent frequency bands of frequency bands 1 to 4 is 50MHz. gap is -7.2dB. Compared with example 1, the PSLR of example 3 decreases by about 5dB. Therefore, the ranging sidelobe performance of example 3 further decreases compared with example 1. In (c) of FIG. 5, the ranging response function of example 1 is represented by a solid line, and the ranging response function of example 3 is represented by a dashed line. It can be seen that the ranging resolution performance of example 3 is 1.5 times of the ranging resolution performance of example 1. Therefore, the ranging resolution performance of example 3 is further improved compared with example 1 and example 2.

[0175] From the three examples of FIG. 4, it can be obtained that:

[0176] 1) Increasing the interval between adjacent frequency bands can improve the ranging resolution performance.

[0177] 2) With the increase of the interval between adjacent frequency bands, although the ranging resolution performance can be improved, the ranging sidelobe performance will be deteriorated. Further, when the interval between adjacent frequency bands is too large, the ranging sidelobe performance will be seriously deteriorated, which can seriously affect the final sensing performance (such as multi-target scenario).

[0178] It can be seen that, in the scenario of using multiple frequency bands for sensing, the sensing device needs to balance the ranging resolution performance and the ranging sidelobe performance to meet the requirements. Therefore, in the wireless sensing scenario, how to support the sensing device to use multiple frequency bands for effective sensing is a problem to be solved urgently.

[0179] FIG. 6 is a schematic flowchart of a sensing resource indication method 600 provided by an embodiment of the present application. In the method 600, the multiple frequency bands indicated to the sensing device can meet certain conditions, so that the sensing signals corresponding to the frequency bands can balance the ranging resolution performance and the ranging sidelobe performance, thereby supporting the sensing device to use multiple frequency bands for effective sensing. The operations represented by the dashed lines in FIG. 6 represent optional operations in the method 600. The method 600 will be introduced below in combination with FIG. 6.

[0180] S610, the first device determines N frequency bands.

[0181] Optionally, the first device can be a control end (or a control node, or a control device, etc.) of sensing. In some possible implementation manners, the first device can also be a sending end (or a sending node, or a sending device, etc.) of the sensing signal, so that the first device can send the sensing signal. In other possible implementation manners, the first device can also be a receiving end (or a receiving node, or a receiving device, etc.) of the sensing signal, so that the first device can receive the sensing signal. In still other possible implementation manners, the first device is neither a sending end nor a receiving end of the sensing signal. In this case, the first device can be regarded as a third-party device other than the sending end and the receiving end.

[0182] Exemplarily, the first device can be a terminal device or a network device. For example, the terminal device or the network device in FIG. 1.

[0183] wherein N is an integer greater than 1. In other words, the first device determines a plurality of frequency bands. Exemplarily, the N frequency bands can include N frequency bands with equal bandwidths, but the present application is not limited thereto. Two of the N frequency bands can also have different bandwidths. For ease of description, the following takes N frequency bands with equal bandwidths as an example. However, it can be understood by those skilled in the art that the present application is also applicable to N frequency bands with unequal bandwidths.

[0184] Optionally, one of the N frequency bands includes at least one CC. For example, the first frequency band includes at least one CC. Optionally, one of the N frequency bands includes a plurality of CCs. The CCs can be continuous or discontinuous. Optionally, one of the N frequency bands is one CC. For example, the N frequency bands are N CCs respectively.

[0185] Exemplarily, the N frequency bands can be used for sensing. For example, the N frequency bands can be used for sensing a plurality of targets. Optionally, one target corresponds to one physical entity. For example, the target can be a truck or a basketball, etc. Corresponding one target to one physical entity makes the process of sensing ranging easy to implement. Optionally, one target corresponds to one distance resolution unit. A larger physical entity, for example, a truck, can correspond to a plurality of distance resolution units. The distance resolution units can be continuously distributed in space. Corresponding one target to one distance resolution unit makes the analysis of the sensing signal more fine, thereby improving the accuracy of the sensing result.

[0186] Exemplarily, sensing a plurality of targets can include respectively ranging a plurality of targets. By respectively ranging a plurality of targets, information such as distance, speed, angle, or intensity of the plurality of targets can be obtained.

[0187] Optionally, the N frequency bands are used for transmitting or receiving the first sensing signal. For example, the first device can transmit or receive the first sensing signal on the N frequency bands. For another example, the second device can transmit or receive the first sensing signal on the N frequency bands.

[0188] The first sensing signal can be used for sensing, for example, the first sensing signal can be used for sensing the plurality of targets. The present application does not limit the specific form of the first sensing signal. For example, the first sensing signal can be a reference signal, etc. The present application does not limit the specific name of the first sensing signal, and the first sensing signal can also be referred to as a signal or other names.

[0189] The N frequency bands can belong to the same available frequency band, for example, the N frequency bands can belong to the available frequency band with frequency band number n40, where n40 can be defined in technical specification (TS) 38.101. However, the present application does not limit this, and the N frequency bands can also belong to different available frequency bands, for example, one of the N frequency bands can belong to the available frequency band with frequency band number n40; another of the N frequency bands can belong to the available frequency band with frequency band number n48. In addition, the N frequency bands can also belong to newly defined available frequency bands, for example, available frequency bands defined in the standard of future communication systems.

[0190] The present application does not limit the name of the N frequency bands, for example, the N frequency bands can also be referred to as sensing frequency bands or other names.

[0191] Optionally, the ratio between the bandwidth of the first frequency band in the N frequency bands and the first interval is a first ratio.

[0192] The first frequency band can be any one of the N frequency bands.

[0193] The first interval can be the interval between the maximum frequency of the second frequency band and the minimum frequency of the third frequency band.

[0194] The second frequency band and the third frequency band can be any two adjacent frequency bands in the N frequency bands. For example, referring to FIG. 4, frequency band 1 and frequency band 2 can be two adjacent frequency bands. Frequency band 2 and frequency band 3 can be two adjacent frequency bands. Those skilled in the art can understand that “two adjacent frequency bands” does not limit whether there is an interval between the two frequency bands. The term “adjacent” means that there is no other frequency band in the N frequency bands between the two frequency bands.

[0195] The maximum frequency of the second frequency band is less than the minimum frequency of the third frequency band. For example, the second frequency band can be frequency band 1 in FIG. 4, and the third frequency band can be frequency band 2 in FIG. 4. For example, the first interval can be the interval between the maximum frequency of frequency band 1 and the minimum frequency of frequency band 2 in FIG. 4, i.e., the interval B1 in FIG. 4. gappart of the first frequency band.

[0196] Exemplarily, the first frequency band can be the second frequency band, or the third frequency band, or a frequency band other than the second frequency band and the third frequency band in the N frequency bands. For example, referring to FIG. 4, the first frequency band can be any one of the frequency band 1 to the frequency band 4.

[0197] Optionally, the first ratio satisfies a first condition. In some possible implementation, S610 includes determining the N frequency bands according to the first condition.

[0198] In embodiments of the present application, the first ratio can be replaced by a third ratio. For example, the third ratio satisfies the first condition. The third ratio is a ratio between the first interval and a bandwidth of the first frequency band in the N frequency bands. The first ratio and the third ratio are reciprocal of each other, and therefore, those skilled in the art can understand that, when the first ratio is replaced by the third ratio in embodiments of the present application, the corresponding content in the first condition can be reciprocal.

[0199] Exemplarily, the first condition is related to a first parameter. The first parameter can be used to indicate an expected ranging sidelobe performance of the first sensing signal, or the first parameter is used to indicate a threshold of the ranging sidelobe performance of the first sensing signal. The greater the threshold of the ranging sidelobe performance of the first sensing signal, the worse the expected ranging sidelobe performance of the first sensing signal. Conversely, the smaller the threshold of the ranging sidelobe performance of the first sensing signal, the better the expected ranging sidelobe performance of the first sensing signal. The first parameter can be in the form of PSLR. Optionally, the first condition includes that the PSLR of the first sensing signal is less than or equal to the first parameter. For example, the first parameter is -8 decibels (dB), and the first condition includes that the PSLR of the first sensing signal is less than or equal to -8 dB. The first parameter can also be in other forms, which are not limited in the present application. The present application does not limit the specific name of the first parameter, for example, the first parameter can also be called a sidelobe level, a threshold, a performance threshold, a performance expectation or other names.

[0200] Optionally, the first parameter is pre-configured or pre-defined, or determined by the first device. Optionally, the first parameter is indicated to the first device by signaling by another device.

[0201] Optionally, the first interval satisfies the first condition. For example, the bandwidth of each frequency band in the N frequency bands can be pre-configured or pre-defined. In this way, only the first interval needs to satisfy the first condition.

[0202] The application does not exclude a scheme of determining the N frequency bands according to the first condition and other conditions. That is, the N frequency bands can satisfy other conditions in addition to the first condition. In addition, the application does not limit the name of the first condition, and the first condition can also be referred to as an interval condition, a ratio condition, or other names. For other descriptions of the first condition, please refer to the following description, which is not described here.

[0203] In some possible implementation manners, determining the N frequency bands includes determining the bandwidth and interval of the N frequency bands, and determining the position of the N frequency bands in the frequency domain. For example, the position of the first frequency band in the frequency domain can be represented by the start frequency and / or the end frequency of the first frequency band in the frequency domain, for example, 3.55 GHz, 3.65 GHz, or 3.55 GHz-3.65 GHz; or can be represented by the center frequency of the first frequency band, for example, 3.6 GHz.

[0204] In S620, the first device sends the first information to the second device. Correspondingly, the second device receives the first information from the first device.

[0205] Optionally, the second device can be a controlled side of sensing (or referred to as a controlled device or a controlled node). In some possible implementation manners, the second device can also be a sending end of a sensing signal. In some other possible implementation manners, the second device can also be a receiving end of a sensing signal. For example, the second device can be referred to as a sensing device or other names, which are not limited in the application.

[0206] For example, the first information can be carried in a downlink control information (DCI), an uplink control information (UCI), an RRC message, or a medium access control (MAC) control element (CE), but the application does not limit this, and the first information can also be carried in other messages.

[0207] The application does not limit the name of the first information, and the first information can also be referred to as indication information, frequency band indication information, frequency configuration information, or other names.

[0208] Optionally, the first information is used to indicate the N frequency bands.

[0209] The application does not limit the specific manner of indicating the N frequency bands by the first information. For example, the first information can include the index of the N frequency bands, thereby indicating the N frequency bands. For another example, the first information can indicate the start frequency of the N frequency bands, the bandwidth of each frequency band, the interval of adjacent frequency bands, and the number of frequency bands (that is, N), thereby indicating the N frequency bands.

[0210] In some possible implementation manners, the method 600 further includes: determining, by the second device, the N frequency bands according to the first information. In other possible implementation manners, the N frequency bands can be pre-configured or pre-defined. For example, the second device can be pre-configured with the N frequency bands at the factory. For another example, a standard can pre-define the N frequency bands. In this way, the method 600 can not include S610 and S620. Alternatively, S610 can be replaced by: determining, by the second device, the N frequency bands.

[0211] S630, transmitting or receiving, by the second device, the first sensing signal according to the N frequency bands.

[0212] In other possible implementation manners, S630 can be replaced by: transmitting or receiving, by the second device, the first sensing signal according to the first information. In other words, the second device can transmit or receive the first sensing signal according to the frequency configuration.

[0213] The "transmitting or receiving the first sensing signal" can be understood as performing sensing. For example, sensing one or more targets.

[0214] In some possible implementation manners, in the case that the second device is a transmitting end of the sensing signal, S650 can include: transmitting, by the second device, the first sensing signal to the multiple targets respectively on the N frequency bands. In other words, the second device can transmit the first sensing signal to the multiple targets respectively according to the first information.

[0215] In other possible implementation manners, in the case that the second device is a receiving end of the sensing signal, S650 can include: receiving, by the second device, the sensing signal on the N frequency bands. In other words, the second device can receive the sensing signal according to the first information. The sensing signal received by the second device can be a backscattered signal from the multiple targets. In some possible implementation manners, S650 includes: processing, by the second device, the received sensing signal to obtain a sensing result. In other words, the second device can determine the sensing result according to the received sensing signal. The sensing result can be referred to as a multi-band sensing result or other names, and the name of the sensing result is not limited in the present application.

[0216] Based on the above scheme, the first device can indicate a plurality of frequency bands to the sensing device, which can be used to transmit or receive the first sensing signal. The first ratio in the above scheme can indicate the interval (referred to as "frequency band interval" for short) of two adjacent frequency bands in the plurality of frequency bands, for example, the first interval. Wherein, the frequency band interval has a certain influence on the ranging resolution performance and the ranging sidelobe performance. Assuming that the bandwidth of the frequency band is unchanged, the larger the frequency band interval, the better the ranging resolution performance of the first sensing signal, but the ranging sidelobe performance is lower; the smaller the frequency band interval, the lower the ranging resolution performance of the first sensing signal, but the ranging sidelobe performance is better. In the embodiment of the present application, the frequency band interval of the plurality of frequency bands used for sensing satisfies a certain condition, and the condition is related to the parameter used to indicate the expected ranging sidelobe performance. Therefore, the first condition can balance the ranging resolution performance and the ranging sidelobe performance by restricting the frequency band interval of the frequency band. For example, although increasing the frequency band interval can improve the ranging resolution performance, in the embodiment of the present application, due to the restriction of the first condition, the frequency band interval will not increase indefinitely, but will increase the frequency band interval within the range that ensures that the actual ranging sidelobe performance of the first sensing signal meets the expected ranging sidelobe performance, thereby improving the ranging resolution performance while meeting the requirement of the expected ranging sidelobe performance.

[0217] Optionally, the first condition comprises: the better the expected ranging sidelobe performance of the first sensing signal, the greater the first ratio. In other words, the smaller the third ratio (i.e. the reciprocal of the first ratio). Optionally, the first condition comprises: the lower the expected ranging sidelobe performance of the first sensing signal, the smaller the first ratio. In other words, the greater the third ratio (i.e. the reciprocal of the first ratio).

[0218] It can be understood that the first ratio can indicate the first interval. Assuming that the bandwidth of each frequency band in the N frequency bands is unchanged, the greater the first ratio, the smaller the first interval, that is, the smaller the interval between two adjacent frequency bands. For example, referring to the rule shown in FIG. 4, the smaller the interval between two adjacent frequency bands, the better the ranging sidelobe performance of the sensing signal corresponding to the frequency band. Therefore, in the case that the ranging sidelobe performance requirement of the first sensing signal is higher, the first ratio can be greater.

[0219] Wherein, the high expected ranging sidelobe performance can be understood as the low expected PSLR. The low expected ranging sidelobe performance can be understood as the high expected PSLR.

[0220] Optionally, the expected ranging sidelobe performance of the first sensing signal is better than that of the second sensing signal, and the first ratio is greater than the second ratio. Optionally, the threshold of the ranging sidelobe performance of the first sensing signal is smaller than that of the second sensing signal, and the first ratio is greater than the second ratio.

[0221] The second sensing signal is transmitted or received on the M frequency bands, a ratio between a bandwidth of a fourth frequency band and the second interval is a second ratio, M is an integer greater than 1, the second interval is an interval between a maximum frequency of a fifth frequency band and a minimum frequency of a sixth frequency band, the fifth frequency band and the sixth frequency band are any two adjacent frequency bands in the M frequency bands, the maximum frequency of the fifth frequency band is less than the minimum frequency of the sixth frequency band, the bandwidth of the fourth frequency band is equal to the bandwidth of the first frequency band, and the fourth frequency band is: the fifth frequency band, or the sixth frequency band, or a frequency band other than the fifth frequency band and the sixth frequency band in the M frequency bands.

[0222] Optionally, the M frequency bands include M frequency bands with equal bandwidths. For example, each of the N frequency bands and the M frequency bands has an equal bandwidth.

[0223] The description of the M frequency bands is similar to that of the N frequency bands, and details can be referred to the description of the N frequency bands above, which will not be repeated here. In addition, the fourth frequency band, the fifth frequency band, and the sixth frequency band are similar to the first frequency band, the second frequency band, and the third frequency band respectively, and details can be referred to the response description above, which will not be repeated here.

[0224] Based on the above scheme, assuming that the bandwidth of the frequency band is unchanged, the first ratio is greater than the second ratio, and the frequency band interval of the N frequency bands is smaller than the frequency band interval of the M frequency bands. Therefore, better ranging sidelobe performance corresponds to smaller frequency band interval. In this way, under the condition that the N frequency bands satisfy the first condition, the N frequency bands can achieve the expected ranging sidelobe performance.

[0225] In some possible implementation manners, the first condition includes a first mapping relationship. The first mapping relationship can include a mapping relationship between the first parameter and the first ratio. The first parameter can be used to indicate the expected ranging sidelobe performance of the first sensing signal or a threshold value of the ranging sidelobe performance of the first sensing signal.

[0226] Optionally, the first parameter can include the reciprocal of k. Optionally, the first mapping relationship is selected from one or more rows of Table 1.

[0227] Table 1

[0228] wherein B gap represents the first interval, and B represents the bandwidth of the first frequency band. In Table 1, may represent the first ratio. K can be used to indicate the expected ranging sidelobe performance of the first sensing signal, or a threshold value of the ranging sidelobe performance of the first sensing signal. Wherein, the smaller k is, the worse the ranging sidelobe performance of the first sensing signal is. Conversely, the smaller the reciprocal of k is, the better the ranging sidelobe performance of the first sensing signal is.

[0229] In some examples, k can indicate a minimum value of the expected ranging sidelobe performance of the first sensing signal (i.e., a maximum value of the threshold of the ranging sidelobe performance of the first sensing signal). For example, the k corresponding to the N frequency bands actually determined by the first device can be greater than or equal to the k in Table 1. Here, the k corresponding to the N frequency bands actually determined by the first device can be understood as the k corresponding to the ranging sidelobe performance of the first sensing signal transmitted or received on the N frequency bands.

[0230] In some other examples, the expected ranging sidelobe performance of the first sensing signal is around k, or approximately equal to k. For example, the k corresponding to the N frequency bands actually determined by the first device can be approximately equal to the k in Table 1.

[0231] The first parameter can also have other forms in addition to k, which are not limited in the present application.

[0232] The values in Table 1 can vary within a certain error range. For example, 2.106 in Table 1 can vary within an error range of 0.1. For example, 2.10 can cover values in the range of 2.006-2.206. That is, 2.106 in Table 1 can be replaced by any value in the range of 2.006-2.206. The above is only an example, and the error range can also be a larger or smaller range. In addition, the values in the column corresponding to k in Table 1 can also vary within a certain error range, and examples will not be described herein. The form of each value in Table 1 is not limited in the present application. For example, each value in Table 1 can be expressed in the form of a fraction or a percentage. For another example, each value in Table 1 can have more than or less than 3 digits after the decimal point.

[0233] The first mapping relationship can also include other rows in addition to Table 1, which are not limited in the present application.

[0234] For example, the first ratio satisfies the first condition; the first condition includes the first mapping relationship. Therefore, those skilled in the art can understand that the first ratio can satisfy the first mapping relationship. Some examples of the first ratio satisfying the first mapping relationship are described below. For ease of description, the threshold of the first ratio in the first mapping relationship is referred to as the threshold of the first ratio, and the actual first ratio of the N frequency bands actually determined by the first device is referred to as the actual first ratio. For example, the actual first ratio is equal to (or approximately equal to) the threshold of the first ratio. For example, in the case where k is 0.678, the actual first ratio is equal to (or approximately equal to) 2.106.

[0235] For example, the actual first ratio is greater than or equal to the threshold of the first ratio. For example, in the case where k is 0.678, the actual first ratio is greater than or equal to 2.106.

[0236] For example, the actual first ratio is greater than or equal to the threshold of the first ratio. For example, in the case where k is 0.678, the actual first ratio is greater than or equal to 2.106. ​

[0237] Optionally, the first ratio in the first mapping relationship can be replaced by a third ratio. For example, the third ratio can be expressed as Correspondingly, by taking the reciprocal of the value of the first ratio in Table 1, the value of the third ratio can be obtained.

[0238] Through the above embodiment, the first condition can be determined by table lookup. The processing overhead required for determining the first condition by table lookup is small, and therefore the above embodiment can reduce the processing overhead of the first device.

[0239] In some possible implementation manners, the first condition comprises Formula 1-1.

[0240] Alternatively, Formula 1-1 can be transformed into Formula 1-2.

[0241] Formula 1-1 can be understood as a formula about the first ratio, and Formula 1-2 can be understood as a formula about the third ratio. The parameters in Formula 1-1 and Formula 1-2 are described above and will not be described again.

[0242] Exemplarily, by Formula 1-1 or Formula 1-2, the mapping relationship between k and the first ratio, for example, the first mapping relationship, can be obtained. However, the present application is not limited thereto, and the first mapping relationship can also be obtained by other manners. Table 1 is only an example of the mapping relationship that can be obtained by Formula 1-1 or Formula 1-2, and does not constitute a limitation on the present application.

[0243] Exemplarily, the first ratio satisfies the first condition; and the first condition comprises Formula 1-1 and / or Formula 1-2. Therefore, those skilled in the art can understand that the first ratio can satisfy Formula 1-1 and / or Formula 1-2. Some examples in which the first ratio satisfies Formula 1-1 and / or Formula 1-2 are introduced below. For ease of description, the threshold of the first ratio in Formula 1-1 and / or Formula 1-2 is referred to as a threshold of the first ratio, and the actual first ratio determined by the first device is referred to as an actual first ratio.

[0244] Example 1: The actual first ratio is equal to the threshold of the first ratio. For example, in the case where k is 0.678, the actual first ratio is 2.106.

[0245] Example 2: The actual first ratio is greater than or equal to the threshold of the first ratio. For example, in the case where k is 0.678, the actual first ratio is greater than or equal to 2.106.

[0246] Through the above embodiment, the first condition can be determined by a formula. The storage space required for determining the first condition by the formula is small, and therefore the above embodiment can save the storage space of the first device.​​

[0247] Optionally, the first parameter can comprise PSLR. Optionally, the first mapping relationship is selected from one or more rows of Table 2.

[0248] Table 2

[0249] wherein PSLR represents peak-to-sidelobe ratio, and dB represents decibel. Other parameters are described in the foregoing, and will not be described again. The column in which k is located can be omitted in Table 2, i.e., Table 2 can only comprise the column in which PSLR and k are located. However, the present application does not limit this, and the column in which k is located can also be retained in Table 2. The column in which PSLR and k are located in Table 2 can be used to indicate the first parameter. The column in which k is located can be omitted in Table 2, i.e., Table 2 can only comprise the column in which PSLR and k are located. However, the present application does not limit this, and the column in which k is located can also be retained in Table 2. The column in which PSLR and k are located in Table 2 can be used to indicate the first parameter. The first ratio can be indicated by the column in which PSLR and k are located in Table 2.

[0250] The PSLR in Table 2 can be used to indicate the expected ranging sidelobe performance of the first sensing signal, or the threshold of the ranging sidelobe performance of the first sensing signal. The greater the PSLR in Table 2, the worse the expected ranging sidelobe performance of the first sensing signal.

[0251] In some examples, the PSLR in Table 2 can indicate the minimum value of the expected ranging sidelobe performance of the first sensing signal. For example, the PSLR actually corresponding to the N frequency bands determined by the first device can be less than or equal to the PSLR in Table 2. The PSLR actually corresponding to the N frequency bands can be understood as the PSLR corresponding to the ranging sidelobe performance of the first sensing signal transmitted or received on the N frequency bands.

[0252] In other examples, the expected ranging sidelobe performance of the first sensing signal is near the PSLR, or approximately equal to the PSLR. For example, the PSLR actually corresponding to the N frequency bands determined by the first device can be approximately equal to the PSLR in Table 2.

[0253] The first parameter can also have other forms in addition to PSLR, which is not limited by the present application.

[0254] The values in Table 2 can vary within a certain error range. For example, the value 2.106 in Table 2 can vary within a range of 0.1. For example, 2.10 can cover the values within the range of 2.006-2.206. That is, 2.106 in Table 2 can be replaced by any value in 2.006-2.206. The above is only an example, and the range of the error can also be larger or smaller. In addition, the values in the column corresponding to PSLR and / or k in Table 2 can also vary within a certain error range, and examples will not be described again. The present application does not limit the form of each value in Table 2, for example, each value in Table 2 can be represented in the form of a fraction or a percentage. For example, each value in Table 2 can retain more than or less than 3 digits after the decimal point.

[0255] The first mapping relationship can further include other rows in addition to Table 2, which is not limited in the application.

[0256] Exemplarily, the first ratio satisfies the first condition; the first condition includes the first mapping relationship. Therefore, those skilled in the art can understand that the first ratio can satisfy the first mapping relationship. Some examples of the first ratio satisfying the first mapping relationship are introduced below. For ease of description, the first ratio in the first mapping relationship is referred to as a threshold value of the first ratio, and the first ratio of the N frequency bands determined by the first device is referred to as an actual first ratio.

[0257] Example 1: The actual first ratio is equal to (or approximately equal to) the threshold value of the first ratio. For example, in the case of PSLR being -8 dB, the actual first ratio is equal to (or approximately equal to) 2.106.

[0258] Example 2: The actual first ratio is greater than or equal to the threshold value of the first ratio. For example, in the case of PSLR being -8 dB, the actual first ratio is greater than or equal to 2.106.

[0259] Optionally, the first ratio in the first mapping relationship can be replaced by a third ratio. For example, the third ratio can be represented as Correspondingly, the reciprocal of the numerical value of the first ratio in Table 2 can obtain the numerical value of the third ratio.

[0260] In some possible implementation manners, the first condition includes Formula 2-1 or Formula 2-2.

[0261] wherein the reference point of PSLR is c represents the speed of light, and M=B / △, wherein △ represents the subcarrier spacing of the first frequency band. B can be the bandwidth of the first frequency band. M can represent the number of subcarriers of the first frequency band.

[0262] wherein Formula 2-2 can also be represented as PSLR=sinc(k). Wherein, sinc() can represent the sinc function. For example,

[0263] Exemplarily, the first frequency band can include one CC. In this way, M can represent the number of subcarriers included in one CC. △ can represent the subcarrier spacing of the CC.

[0264] Exemplarily, when M is large, Formula 2-1 can be transformed into Formula 2-2.

[0265] ​​Exemplarily, the mapping relationship between the PSLR and the first ratio, for example, the first mapping relationship, can be obtained by the formula 2-1 or the formula 2-2. However, the present application is not limited thereto, and the first mapping relationship can also be obtained by other manners. Table 2 is only an example of the mapping relationship obtained by the formula 2-1 or the formula 2-2, and does not constitute a limitation to the present application.

[0266] Exemplarily, the first ratio satisfies the first condition; the first condition further comprises the formula 2-1 or the formula 2-2. Therefore, those skilled in the art can understand that, in addition to satisfying the formula 1-1 and / or the formula 1-2, the first ratio can also satisfy the formula 2-1 or the formula 2-2. Some examples in which the first ratio satisfies the formula 2-1 or the formula 2-2 are introduced below. For the convenience of description, the threshold of the first ratio in the formula 1-1 or the formula 1-2 is referred to as the threshold of the first ratio, and the actual first ratio determined by the first device is referred to as the actual first ratio. The actual first ratio is referred to as the actual first ratio.

[0267] Example 1: the actual first ratio is equal to the threshold of the first ratio. For example, in the case of the PSLR being -8dB, the actual first ratio is 2.106.

[0268] Example 2: the actual first ratio is greater than or equal to the threshold of the first ratio. For example, in the case of the PSLR being -8dB, the actual first ratio is greater than or equal to 2.106.

[0269] In some examples, the first condition can comprise the formula 1-1 and the formula 2-1. In other examples, the first condition can comprise the formula 1-2 and the formula 2-1. In still other examples, the first condition can comprise the formula 1-1 and the formula 2-2. In yet other examples, the first condition can comprise the formula 1-2 and the formula 2-2.

[0270] In some examples, the first condition can comprise both the formula and the mapping relationship. For example, the first condition can comprise the first mapping relationship and the formula 2-2 selected from one or more rows of Table 2, and does not comprise the column in which k is located.

[0271] According to the above embodiments, the first condition can be determined by the formula. The storage space required for determining the first condition by the formula is relatively small, and therefore the above embodiments can save the storage space of the first device.

[0272] ​Optionally, the first parameter can comprise δ. Wherein, δ is a parameter newly defined in embodiments of the present application. Exemplarily, δ represents a content which can be referred to as a sidelobe level (SL) or a reference point sidelobe level (RPSL). Exemplarily, δ can be PSLR in a case where δ is less than or equal to a second parameter. For example, the second parameter can be any value in -13.4dB~ -13.3dB. However, the present application does not limit this, and the second parameter can also be other values.

[0273] Optionally, the first mapping relationship is selected from one or more rows of Table 3.

[0274] Table 3

[0275] Wherein, the column in which k is located can be omitted in Table 3, that is, Table 3 can only comprise the column in which δ and are located. However, the present application does not limit this, and the column in which k is located can also be retained in Table 3. The δ and in Table 3 can indicate the first ratio.

[0276] The δ in Table 3 can be used to indicate the expected ranging sidelobe performance of the first sensing signal, or the threshold of the ranging sidelobe performance of the first sensing signal. Wherein, the greater the δ in Table 3 is, the worse the expected ranging sidelobe performance of the first sensing signal is.

[0277] In some examples, the δ in Table 3 can indicate the minimum value of the expected ranging sidelobe performance of the first sensing signal. For example, the δ actually corresponding to the N frequency bands determined by the first device can be less than or equal to the δ in Table 3. Wherein, the δ actually corresponding to the N frequency bands can be understood as the δ corresponding to the ranging sidelobe performance of the first sensing signal transmitted or received on the N frequency bands.

[0278] In other examples, the expected ranging sidelobe performance of the first sensing signal is around δ, or approximately equal to δ. For example, the δ actually corresponding to the N frequency bands determined by the first device can be approximately equal to the δ in Table 3.

[0279] The first parameter can also have other forms of expression in addition to δ, which is not limited by the present application.

[0280] The values in Table 3 can vary within a certain error. For example, 2.106 in Table 3 can vary within 0.1. For example, 2.10 can cover values in the range of 2.006-2.206. That is, 2.106 in Table 3 can be replaced by any value in the range of 2.006-2.206. The above is only an example, and the range of the error can also be larger or smaller. In addition, the values in the column corresponding to δ and / or k in Table 3 can also vary within a certain error, which will not be described again for example. The application does not limit the form of each value in Table 3. For example, each value in Table 3 can be expressed in the form of a fraction or a percentage. For another example, each value in Table 3 can be kept to more than or less than 3 digits after the decimal point.

[0281] The first mapping relationship can also include other rows in addition to Table 3, which is not limited by the application.

[0282] For example, the first ratio satisfies the first condition; the first condition includes the first mapping relationship. Therefore, those skilled in the art can understand that the first ratio can satisfy the first mapping relationship. Some examples of the first ratio satisfying the first mapping relationship will be introduced below. For ease of description, the threshold value of the first ratio in the first mapping relationship will be referred to as the threshold value of the first ratio, and the first ratio of the N frequency bands determined by the first device will be referred to as the actual first ratio.

[0283] Example 1: The actual first ratio is equal to (or approximately equal to) the threshold value of the first ratio. For example, in the case of δ being -8 dB, the actual first ratio is equal to (or approximately equal to) 2.106.

[0284] Example 2: The actual first ratio is greater than or equal to the threshold value of the first ratio. For example, in the case of δ being -8 dB, the actual first ratio is greater than or equal to 2.106.

[0285] Optionally, the first ratio in the first mapping relationship can be replaced by a third ratio. For example, the third ratio can be expressed as Correspondingly, the reciprocal of the value of the first ratio in Table 3 can obtain the value of the third ratio.

[0286] Through the above embodiments, the first condition can be determined by table lookup. The processing overhead required for table lookup to determine the first condition is small, so the above embodiments can reduce the processing overhead of the first device.

[0287] In some possible implementations, the first condition includes formula 3-1 or formula 3-2.

[0288] wherein the reference point of δ is ​​wherein, the formula 3-2 can also be expressed as δ = sinc(k). Other parameters are described above and will not be repeated here.

[0289] For example, when M is large, the formula 3-1 can be transformed into the formula 3-2.

[0290] For example, the mapping relationship between the first ratio and δ, for example, the first mapping relationship, can be obtained by the formula 3-1 or the formula 3-2. However, the present application is not limited thereto, and the first mapping relationship can also be obtained by other ways. Table 3 is only an example of the mapping relationship obtained by the formula 3-1 or the formula 3-2, and does not constitute a limitation to the present application.

[0291] For example, the first ratio satisfies the first condition; the first condition further comprises the formula 3-1 or the formula 3-2. Therefore, those skilled in the art can understand that, in addition to satisfying the formula 1-1 and / or the formula 1-2, the first ratio can also satisfy the formula 3-1 or the formula 3-2. Some examples in which the first ratio satisfies the formula 3-1 or the formula 3-2 will be introduced below. For the convenience of description, the threshold of the first ratio in the formula 1-1 or the formula 1-2 is referred to as the first ratio threshold, and the first ratio determined by the first device for the N frequency bands is referred to as the actual first ratio. For example, the threshold of the first ratio in the formula 1-1 or the formula 1-2 is referred to as the first ratio threshold, and the first ratio determined by the first device for the N frequency bands is referred to as the actual first ratio. For example, the threshold of the first ratio in the formula 1-1 or the formula 1-2 is referred to as the first ratio threshold, and the first ratio determined by the first device for the N frequency bands is referred to as the actual first ratio.

[0292] For example, the threshold of the first ratio in the formula 1-1 or the formula 1-2 is referred to as the first ratio threshold, and the first ratio determined by the first device for the N frequency bands is referred to as the actual first ratio.

[0293] For example, the threshold of the first ratio in the formula 1-1 or the formula 1-2 is referred to as the first ratio threshold, and the first ratio determined by the first device for the N frequency bands is referred to as the actual first ratio.

[0294] In some examples, the first condition can comprise the formula 1-1 and the formula 3-1. In other examples, the first condition can comprise the formula 1-2 and the formula 3-1. In still other examples, the first condition can comprise the formula 1-1 and the formula 3-2. In yet other examples, the first condition can comprise the formula 1-2 and the formula 3-2.

[0295] In some examples, the first condition can comprise both the formula and the mapping relationship. For example, the first condition can comprise the first mapping relationship and the formula 3-2 selected from one or more rows of Table 3, and does not comprise the column of k.

[0296] According to the above embodiments, the first condition can be determined by the formula. The storage space required for determining the first condition by the formula is small, and therefore the above embodiments can save the storage space of the first device.

[0297] The following describes the derivation process of at least one of Formula 1-1, Formula 1-2, Formula 2-1, Formula 2-2, Formula 3-1, or Formula 3-2. The derivation process below is merely illustrative and does not constitute a limitation on the above formulas. There are other possible derivation processes for the above formulas.

[0298] Suppose the first frequency band comprises P discrete subcarriers. Thus, the first frequency band f can also be understood as a set of subcarriers. For example, f = {f1, f2, ..., f...} P}. Among them, f p A subcarrier can be represented by p = 1, 2, ..., P. In other words, p can be an integer derived from 1 and taken from P.

[0299] The ranging response function corresponding to the first frequency band can be expressed as Equation 4-1.

[0300] Where τ can represent time delay, j can represent an imaginary number, and AF(τ) can represent the response function obtained by ranging a single point target using P subcarriers in the first frequency band.

[0301] For example, assume that the N frequency bands have the same bandwidth, and the spacing between any two adjacent frequency bands in the N frequency bands is the same. For instance, assume that the first corresponding subcarrier set in the N frequency bands is f1 = {f1, f2, ..., f...} P If f , then the set of subcarriers corresponding to the nth frequency band in the N frequency bands is f. n ={f1+(n-1)(B+B gap ),f2+(n-1)(B+B gap ),…,f P +(n-1)(B+B gap Thus, the ranging response function corresponding to N frequency bands can be expressed as Equation 4-2.

[0302] Where B can represent the bandwidth of any one of the N frequency bands, B gap It can represent the interval between any two adjacent frequency bands in N frequency bands. AF′(τ) can represent the response function obtained by ranging a single point target with N*P subcarriers in N frequency bands. Descriptions of other parameters are given above and will not be repeated here. Equation 4-2 can be transformed into Equation 4-3.

[0303] Formula 4-3 can be understood as multiplying two factors to obtain AF′(τ). Exemplarily, embodiments of this application define two factors that satisfy Formula 4-4 and Formula 4-5 respectively.

[0304] It can be understood that, according to the above definition, formula 4-3 can also satisfy formula 4-6. AF'(τ) = AF1(τ) * AF2(τ) (formula 4-6)

[0305] Wherein, "*" represents multiplication. "*" can be omitted or replaced by "x" or "·" and the like.

[0306] FIG. 7 is a schematic diagram of some frequency bands or frequencies provided by an embodiment of the present application.

[0307] FIG. 8 is a schematic diagram of another range of distance response function provided by an embodiment of the present application. (a) to (c) in FIG. 8 respectively show the range of distance response function corresponding to (a) to (c) in FIG. 7. The range of distance response function of N frequency bands will be analyzed below in combination with FIG. 7 and FIG. 8.

[0308] (a) in FIG. 7 shows one frequency band (assuming it is frequency band 1). (a) in FIG. 8 shows a schematic diagram of the range of distance function response of one frequency band. Wherein, the abscissa of the first zero point of the response function is c / B. Assuming 0≤k≤1, then kc / B can slide in the right half of the main lobe as the value of k changes. Specifically, kc / B can slide between the first zero point and the origin with an amplitude of 0.

[0309] (b) in FIG. 7 shows N frequencies. Exemplarily, one frequency can be taken from each of the N frequency bands, and N frequencies can be obtained. For example, the N frequencies can be the center frequency, the starting frequency or the terminal frequency of the N frequency bands respectively. The distance between two adjacent frequencies in the N frequencies is B+B gap . (b) in FIG. 8 shows a schematic diagram of the range of distance function response of N frequencies. As shown in (b) in FIG. 8, in the image of the range of distance response function, the distance between the two grating lobes is Wherein, B gap may also be expressed as B spacing .

[0310] (c) in FIG. 7 shows N frequency bands. (c) in FIG. 8 shows a schematic diagram of the range of distance response function of N frequency bands. Wherein, the dashed line represents the range of distance response function of N frequency bands, that is, AF ′ (τ); the solid line represents the range of distance response function of one frequency band, that is, AF1(τ), which is consistent with (a) in FIG. 8; and the dotted dashed line represents the range of distance response function of N frequencies, that is, AF2(τ), which is consistent with (b) in FIG. 8.

[0311] The present embodiment defines the position (i.e., the abscissa) of the reference point as the first grating lobe of the ranging response function AF2(τ). The amplitude (i.e., ordinate) of this reference point, after being weighted by AF1(τ), is AF ′ the ranging lobe with the worst performance, i.e., the highest side lobe level, in AF2(τ). The side lobe level of this reference point can be referred to as RPSL. Therefore, only the RPSL needs to be controlled within a certain threshold, so as to guarantee the ranging lobe performance of the N frequency bands.

[0312] Therefore, an exemplary processing idea of the embodiments of the present application is to constrain the first ratio, so as to increase the ranging resolution while ensuring that the RPSL does not exceed a given threshold δ.

[0313] Suppose that the expected RPSL or the threshold of the RPSL is δ dB. Then, according to δ dB, find the corresponding coordinate on the main lobe of AF2(τ). That is, the coordinate satisfies formula 4-7. ′

[0314] Formula 4-7 can be understood as follows: in the case where the ordinate is δ dB, the abscissa on the main lobe is For example, referring to (c) in FIG. 8, the horizontal line between 0 and -10 dB can represent the RPSL being δ dB, and the vertical line intersecting the above horizontal line can represent the point where the RPSL is δ dB on the abscissa of the main lobe. (c) in FIG. 8 is merely an example, and the present application is not limited thereto, and δ dB can also take a value other than 0-10 dB. Further, formula 4-8 can be obtained.

[0315] Formula 4-7 can be further simplified to obtain the aforementioned formula 1-1 and / or formula 1-2. Wherein, k is related to δ.

[0316] Wherein, k can be regarded as a function of δ, and according to the expression and function image of AF1(τ), formula 3-1 and / or formula 3-2 can be obtained.

[0317] Next, some possible implementation manners of the N frequency bands indicated by the first information are introduced.

[0318] In some possible implementation manners, the first information includes the index of the N frequency bands.

[0319] ​The index of the N frequency bands can be understood as an index of each of the N frequency bands, or an index of the set of the N frequency bands. For example, the N frequency bands include frequency band 1, frequency band 2, and frequency band 3. As an example, the index of the N frequency bands can include index 1, index 2, and index 3, where index 1 corresponds to frequency band 1, index 2 corresponds to frequency band 2, and index 3 corresponds to frequency band 3, in other words, index 1 is the index of frequency band 1, index 2 is the index of frequency band 2, and index 3 is the index of frequency band 3. As another example, the index of the N frequency bands can include index 4, which corresponds to frequency band 1, frequency band 2, and frequency band 3; in other words, index 4 can be the index of frequency band 1, frequency band 2, and frequency band 3; in other words, index 4 is the index of a set including frequency band 1, frequency band 2, and frequency band 3.

[0320] Optionally, S610 includes that the first device determines the index of the N frequency bands. Optionally, the method 600 further includes that the second device determines the index of the N frequency bands according to the first information. Optionally, the method 600 further includes that the second device determines the N frequency bands according to the index of the N frequency bands.

[0321] The index can also be replaced by a number, an identification (identity or identifier, ID), and the specific name of the index is not limited in the present application.

[0322] Based on the above scheme, the first information can include the index of the N frequency bands. In this way, the second device can quickly determine the N frequency bands according to the index of the N frequency bands, thereby improving the efficiency of the second device in determining the N frequency bands.

[0323] In some possible implementation manners, the first information includes a first parameter. The above scheme can be replaced by: the first information includes indication information of the first parameter. The indication information can directly indicate the information, for example, the first information includes the first parameter. The indication information can be indirect indication information, for example, the indication information of the first parameter is an identifier of the first parameter, so that the second device can determine the first parameter according to the identifier.

[0324] For example, the first information can include at least one of the reciprocal of k, δ, or PSLR.

[0325] In another possible implementation manner, the first information includes second indication information, which is used to indicate the first parameter. For example, the second indication information can include at least one of k, δ, or PSLR. Wherein, k can indicate the reciprocal of k, that is, one form of the first parameter.

[0326] Optionally, S610 comprises: determining, by the first device, the N subcarriers according to the first parameter. Optionally, method 600 further comprises: determining, by the second device, the first parameter according to the first information. Optionally, method 600 further comprises: determining, by the second device, the N subcarriers according to the first parameter. For example, the second device can determine the N subcarriers according to the first parameter and the first condition.

[0327] In some examples, the N subcarriers can be uniquely determined by the first ratio (or the third ratio). In this way, the first information can only include the first parameter. The second device can uniquely determine the N frequency bands according to the first parameter.

[0328] In other examples, the N subcarriers can not be uniquely determined by the first ratio (or the third ratio), but other possibilities are excluded by a signaling indication, a predefined or preconfigured rule, so that the N subcarriers can be uniquely determined. In this way, the first information can only include the first parameter. The second device can uniquely determine the N frequency bands according to the first parameter and the signaling (or the predefined or preconfigured rule).

[0329] Based on the above scheme, the first information can include the first parameter. In this way, the receiving end of the first information can determine the N subcarriers according to the first parameter. In the above scheme, the content carried by the first information is less, thereby being able to introduce signaling overhead.

[0330] In some implementations, the first information further includes first indication information, the first indication information being used to indicate at least one of a starting frequency of the N frequency bands, N, or a bandwidth of the first frequency band.

[0331] The first indication information can be direct indication information. For example, the first indication information can include at least one of the starting frequency of the N frequency bands, N, or the bandwidth of the first frequency band. The first indication information can be indirect indication information. For example, the second device can determine at least one of the starting frequency of the N frequency bands, N, or the bandwidth of the first frequency band according to the first indication information.

[0332] Wherein, the first indication information is used to indicate N, which can be understood as that the first indication information is used to indicate the number of the N frequency bands.

[0333] The starting frequency can be the minimum frequency of the frequency band with the minimum frequency among the N frequency bands. The frequency band with the minimum frequency can be understood as the frequency band with the minimum maximum frequency, the frequency band with the minimum center frequency, or the frequency band with the minimum minimum frequency. In some possible implementations, the N frequency bands do not overlap with each other, and therefore, the above three descriptions can be considered equivalent. For example, referring to FIG. 4, the starting frequency can be the minimum frequency of the frequency band 1, that is, the frequency corresponding to the leftmost point of the frequency band 1 on the coordinate axis. However, the definition of the starting frequency in this application is not limited, and the starting frequency can also be at other positions.

[0334] For example, the first indication information can indicate at least one of the starting frequency of the N frequency bands, N, or the bandwidth of the first frequency band. The part of the starting frequency of the N frequency bands, N, and the bandwidth of the first frequency band that is not indicated can be predefined or preconfigured, or indicated by other information.

[0335] As an example, the first information can include the first parameter and the first indication information. Optionally, the method 600 further includes: determining, by the second device, the N frequency bands according to the first parameter and the first indication information. For example, the second device can determine the N frequency bands according to the first parameter, the first indication information, and the first condition.

[0336] Based on the above scheme, the first indication information can indicate a plurality of signaling combinations, so that the receiving end of the first information can determine the N frequency bands.

[0337] In some possible implementations, the first condition can be preconfigured or predefined. In other possible implementations, the first condition can be indicated by signaling. For example, the first device can send second information to the second device. The second information can be used to indicate the first condition.

[0338] In some implementations, the method 600 further includes: S640, transmitting or receiving, by the first device, the first sensing signal according to the N frequency bands.

[0339] The first device can not only be the control end of sensing, but also be the transmitting end or the receiving end of the sensing signal.

[0340] In the following, some examples of possible implementations of the control end, the transmitting end, and the receiving end are introduced.

[0341] FIG. 9 is a schematic flow chart of another method 700 of sensing resource indication provided by the embodiments of the present application. The method 700 can be combined with the method 600. In FIG. 9, the operations represented by dashed lines are optional operations in the method 700. In the method 700, the first device is a control device. The method 700 takes the second device as a sending device and the third device as a receiving device as an example. It should be noted that for the embodiment in which the second device is a receiving device and the third device is a sending device, only the second device and the third device in the method 700 need to be interchanged, and details are not repeated.

[0342] S705, the first device sends first query information to the second device. The second device receives the first query information from the first device.

[0343] Optionally, the first query information is used to query whether the multi-band sensing function is supported. The multi-band sensing function can be the capability of sensing in multiple frequency bands. Optionally, the first query information is used to query (or request) the frequency points and bandwidths supported by the second device.

[0344] The present application does not limit the specific name of the first query information, and the first query information can also be referred to as request information or have other names.

[0345] S710, the first device receives first feedback information from the second device. The second device sends the first feedback information to the first device.

[0346] Optionally, the first feedback information is used to indicate that the second device supports the multi-band sensing function. Optionally, the first feedback information is used to indicate the frequency points and bandwidths supported by the second device.

[0347] The present application does not limit the specific name of the first feedback information, and the first feedback information can also be referred to as response information or have other names.

[0348] It should be noted that S710 can be performed in response to S705, but the present application does not limit this, and S710 can also be performed without depending on S705. For example, the second device can periodically send the first feedback information to the first device.

[0349] S715, the first device sends second query information to the third device. The third device receives the second query information from the first device.

[0350] Optionally, the second query information is used to query whether the multi-band sensing function is supported. Optionally, the second query information is used to query (or request) the frequency points and bandwidths supported by the third device.

[0351] The present application does not limit the specific name of the second query information, and the second query information can also be referred to as request information or have other names.

[0352] S720, the first device receives second feedback information from the third device. The third device sends the second feedback information to the first device.

[0353] Optionally, the second feedback information is used to indicate that the third device supports the multi-band sensing function. Optionally, the second feedback information is used to indicate the frequency point and bandwidth supported by the third device.

[0354] Exemplarily, S720 can be performed in response to S715, but the present application does not limit this, S720 can also be performed without depending on S715. For example, the third device can periodically send the second feedback information to the first device.

[0355] In addition, the present application does not limit the execution order of S705, S710, S715 and S720.

[0356] In some possible implementation manners, the method 700 further includes S610.

[0357] In some possible implementation manners, the method 700 further includes S620. In some possible implementation manners, the method 700 further includes: (S740) the first device sends first information to the third device. Correspondingly, the third device receives the first information from the first device. The description of the first information is referred to the foregoing description of the first information, for example, S620, which is not described here.

[0358] In some possible implementation manners, the method 700 further includes S630. S630 can include: the second device sends the first sensing signal to one or more targets on the N frequency bands.

[0359] S750, the third device receives the echo signal of the first sensing signal on the N frequency bands. For example, the first sensing signal can be an echo signal passing through the plurality of targets. That is, the scheme combining S630 and S750 can be understood as that the second device sends the first sensing signal to the third device, the first sensing signal passes through the plurality of targets to form an echo signal. The echo signal is shot at the third device.

[0360] S760, the third device determines the sensing result according to the received echo signal of the first sensing signal.

[0361] S770, the third device sends information indicating the sensing result to the first device. Correspondingly, the first device receives the information indicating the sensing result from the third device.

[0362] Optionally, the information indicating the sensing result can be direct indication information, that is, the information indicating the sensing result contains the information of the sensing result; or the information indicating the sensing result can be indirect indication information, and the first device can determine the information of the sensing result according to the information indicating the sensing result.

[0363] FIG. 10 is a schematic flowchart of another method 800 of indicating sensing result according to an embodiment of the present application. The method 800 can be combined with the method 600 or the method 700. In the method 800, the first device is a control device and a sending device, and the second device is a receiving device. In FIG. 10, the operations represented by dashed lines are optional operations in the method 800.

[0364] In some possible implementation manners, the method 800 can include S705, S710, S610 and S620.

[0365] In some possible implementation manners, the method 800 further includes S630 and S640.

[0366] Optionally, S640 includes that the first device sends the first sensing signal to one or more targets on the N frequency bands. Correspondingly, S630 can include that the second device receives the echo signal of the first sensing signal on the N frequency bands.

[0367] Optionally, S640 includes that the first device sends the third sensing signal to one or more targets on the N frequency bands. Correspondingly, S630 can include that the second device receives the echo signal of the third sensing signal on the N frequency bands. The echo signal of the third sensing signal is the first sensing signal.

[0368] S820, the second device determines the sensing result according to the received sensing signal. For example, the second device determines the sensing result according to the echo signal of the first sensing signal (or the echo signal of the third sensing signal, i.e., the first sensing signal).

[0369] S830, the second device sends information indicating the sensing result to the first device. Correspondingly, the first device receives the information indicating the sensing result from the second device.

[0370] Optionally, the information indicating the sensing result can be direct indication information, i.e., the information indicating the sensing result contains the information of the sensing result; or the information indicating the sensing result can be indirect indication information, and the first device can determine the information of the sensing result according to the information indicating the sensing result.

[0371] FIG. 11 is a schematic flowchart of another method 900 of indicating sensing result according to an embodiment of the present application. The method 900 can be combined with the method 600 or the method 700. In the method 900, the first device is a control device and a receiving device, and the second device is a sending device. In FIG. 11, the operations represented by dashed lines are optional operations in the method 900.

[0372] In some possible implementation manners, the method 900 can include S705, S710, S610 and S620.

[0373] In some possible implementation manners, the method 900 further includes S630 and S640.

[0374] Optionally, S630 includes that the second device sends the first sensing signal to the one or more targets on the N frequency bands. Correspondingly, S640 includes that the first device receives the echo signal of the first sensing signal on the N frequency bands.

[0375] Optionally, S630 includes that the second device sends the third sensing signal to the one or more targets on the N frequency bands. Correspondingly, S640 includes that the first device receives the echo signal of the third sensing signal on the N frequency bands. The echo signal of the third sensing signal is the first sensing signal.

[0376] S920, the first device determines a sensing result according to the received sensing signal. For example, the first device determines the sensing result according to the echo signal of the first sensing signal (or the echo signal of the third sensing signal, i.e., the first sensing signal).

[0377] In some possible implementation manners, the first ratio is an integer after rounding. The rounding can include upward rounding, downward rounding or round rounding. The application limits the specific form of rounding.

[0378] In some possible scenarios, the first ratio cannot be flexibly adjusted. For example, in a given bandwidth, the frequency domain resource can be divided into a plurality of discrete frequency bands (for example, CC). The first device can only select N frequency bands from the plurality of discrete frequency bands. For example, the N frequency bands determined by the first device according to the first ratio must belong to the plurality of discrete frequency bands. In this way, any first ratio may not be able to correspond to N frequency bands, and only the first ratio that meets certain conditions can correspond to N frequency bands.

[0379] For example, the first ratio can be as close as possible to the value in Table 1, Table 2, Table 3, Formula 1-1 or Formula 1-2. For example, the first ratio can be as close as possible to the value in Table 1, Table 2, Table 3, Formula 1-1 or Formula 1-2. For example, the first ratio can be as close as possible to the value in Table 1, Table 2, Table 3, Formula 1-1 or Formula 1-2.

[0380] FIG. 12 is a schematic diagram of some frequency bands provided by an embodiment of the application.

[0381] For example, referring to FIG. 12, it is assumed that a given bandwidth B T may be discretely divided into Q frequency bands (for example, CC), and Q can be an integer greater than 1. The bandwidth of each frequency band is BQ Thus, the bandwidth of the Q frequency bands satisfies: Q*B Q ≤B T .

[0382] For example, given the parameter δ (or PSLR), the parameter k can be calculated by Formula 3-1 or Formula 3-2 (or, Formula 2-1 or Formula 2-2), and then the For another example, given the parameter δ (or PSLR), the parameter k can be determined by Table 3 (or, Table 2), and then the According to the above determination, the N frequency bands can be selected from the Q frequency bands shown in FIG. 12 as much as possible to satisfy the determination.

[0383] In some examples, it is assumed that B Q = 20 MHz, Q = 20, B T = 400 MHz.

[0384] For example, assuming δ = -8 dB, then according to Formula 3-1 or Formula 3-2, the parameter k is 0.678. According to Formula 1-1 or Formula 1-2, the is 2.106. Alternatively, according to Table 3, the is 2.106. Thus, assuming that one frequency band is selected every 2 frequency bands, the first ratio of the N frequency bands obtained is 2, which is closest to the above 2.106.

[0385] For another example, assuming δ = -13.3 dB, then according to Formula 3-1 or Formula 3-2, the parameter k is 0.814. According to Formula 1-1 or Formula 1-2, the is 4.376. Alternatively, according to Table 3, the is 4.376. Thus, assuming that one frequency band is selected every 4 frequency bands, the first ratio of the N frequency bands obtained is 4, which is closest to the above 4.376.

[0386] Based on the above scheme, the first ratio can be an integer obtained according to the first condition. Thus, the N frequency bands corresponding to the first ratio are suitable for the frequency bands distributed discretely in the given bandwidth, thereby improving the applicability of the scheme.

[0387] In other possible implementations, the first ratio can be an integer. For example, the first ratio can be the

[0388] Exemplarily, the above Table 1 to Table 3 can be replaced by Table 4 to Table 6, respectively.

[0389] Table 4

[0390] Table 5

[0391] Table 6

[0392] The other descriptions of Tables 4 to 6 refer to the descriptions of Tables 1 to 3, and are not repeated here.

[0393] Exemplarily, the formula 1-1 and the formula 1-2 can be replaced by the formula 1-3 and the formula 1-4 respectively.

[0394] In some implementations, the N frequency bands include a seventh frequency band and an eighth frequency band, and at least one of a subcarrier spacing, a cyclic prefix length, or a frequency reference point of the seventh frequency band is same as that of the eighth frequency band.

[0395] The seventh frequency band and the eighth frequency band can be different. At least one of a starting frequency, a center frequency, or a frequency range of the seventh frequency band is different from that of the eighth frequency band.

[0396] For example, the seventh frequency band can be the first frequency band, and the eighth frequency band can be one frequency band of the N frequency bands except the first frequency band. For another example, the eighth frequency band can be the first frequency band, and the seventh frequency band can be one frequency band of the N frequency bands except the first frequency band.

[0397] The seventh frequency band and the eighth frequency band can be adjacent frequency bands, or can be non-adjacent frequency bands, which are not limited in the present application.

[0398] The subcarrier spacing can be an interval between two adjacent subcarriers in a plurality of subcarriers of one frequency band of the N frequency bands. Alternatively, the subcarrier spacing can be a subcarrier spacing of a frequency domain resource of one frequency band of the N frequency bands.

[0399] In some examples, the seventh frequency band can have a same subcarrier spacing as the eighth frequency band. In other examples, the N frequency bands have a same subcarrier spacing. The specific name of the subcarrier spacing is not limited in the present application, and the subcarrier spacing can also have other names.

[0400] The cyclic prefix (CP) length can also be referred to as a CP configuration. The CP length can be a CP length of a frequency domain resource of one frequency band of the N frequency bands. The CP length can be indicated by a CP value.

[0401] The frequency reference point can also be referred to as point A. The frequency reference point can indicate the absolute frequency of the reference resource block. The smallest subcarrier of the reference resource block can also be referred to as the frequency reference point (or point A). The N frequency bands can have a common frequency reference point.

[0402] Exemplarily, the N frequency bands belong to a same sensing frequency layer (SFL). Exemplarily, the N frequency bands belong to a same resource set.

[0403] The SFL is a concept newly proposed in embodiments of the present application. The SFL can include one or more resource sets. Different resource sets can be configured with different bandwidths. However, the present application does not limit this, and different resource sets can also be configured with the same bandwidth.

[0404] A resource set can include multiple resources. Exemplarily, the N resources in a resource set one-to-one correspond to the N frequency bands. For example, the N resources in a resource set respectively include the N frequency bands. The N frequency bands belonging to a same resource set can be coherently combined. However, the present application does not limit this, and for example, the N frequency bands can belong to different resource sets.

[0405] Based on the above scheme, the N frequency bands can have the same subcarrier spacing, cyclic prefix length, or frequency reference point, and the parameter configuration is simple and easy to implement.

[0406] The following describes a device embodiment corresponding to the method embodiment of the present application. The following only briefly describes the device, and the specific implementation steps and details of the scheme can be referred to the foregoing method embodiment.

[0407] To implement each function in the method provided by the present application, the communication device can include a hardware structure and / or a software module to implement the above functions in the form of hardware structure, software module, or hardware structure plus software module. Whether a certain function in the above functions is executed in the form of hardware structure, software module, or hardware structure plus software module depends on the specific application of the technical solution and the design constraint conditions.

[0408] FIG. 13 is a schematic block diagram of a communication device 1000 according to an embodiment of the present application. The communication device 1000 includes a processor 1010 and a communication interface 1020. Optionally, the processor 1010 and the communication interface 1020 can be connected to each other through a bus. The communication device 1000 can be a first device or a second device. Exemplarily, the first device can be a terminal device or a network device; and the second device can be a terminal device or a network device. The communication device 1000 can also be referred to as a sensing device.

[0409] Optionally, the communication apparatus 1000 further includes a memory 1040. The memory 1040 includes, but is not limited to, a random access memory (RAM), a read-only memory (ROM), a cache, an erasable programmable read only memory (EPROM), a synchronous dynamic random access memory (SDRAM), a hard disk drive (HDD), a solid-state drive (SSD), or a compact disc read-only memory (CD-ROM). The memory 1040 is used to store relevant instructions and / or data. The memory 1040 can be integrated with the processor 1010 or separately arranged.

[0410] The processor 1010 can be one or more central processing units (CPUs). In the case where the processor 1010 is a CPU, the CPU can be a single-core CPU or a multi-core CPU. The processor 1010 can be a signal processor, a chip, or other integrated circuits that can implement the method of the present application, or a part of the foregoing processor, chip, or integrated circuit for processing functions. In addition, the communication interface 1020 can also be an input / output interface for input or output of signals or data, or an input / output circuit.

[0411] Exemplarily, the communication apparatus 1000 is a first apparatus, and the processor 1010 is configured to perform the following operations: determining N frequency bands, N being an integer greater than 1, a ratio between a bandwidth of a first frequency band and a first interval being a first ratio, the first interval being an interval between a maximum frequency of a second frequency band and a minimum frequency of a third frequency band, the second frequency band and the third frequency band being any two adjacent frequency bands in the N frequency bands, the maximum frequency of the second frequency band being less than the minimum frequency of the third frequency band, the first ratio satisfying a first condition, the first frequency band being: the second frequency band, or the third frequency band, or a frequency band other than the second frequency band and the third frequency band in the N frequency bands; and sending first information, the first information being used to indicate the N frequency bands, the N frequency bands being used to send or receive a first sensing signal, the first condition being related to a first parameter, the first parameter being used to indicate a threshold value of a ranging sidelobe performance of the first sensing signal.

[0412] Exemplarily, the communication apparatus 1000 is a second device, and the processor 1010 is configured to: receive first information, the first information being used to indicate N frequency bands, N being an integer greater than 1, a ratio between a bandwidth of a first frequency band and a first interval being a first ratio, the first interval being an interval between a maximum frequency of a second frequency band and a minimum frequency of a third frequency band, the second frequency band and the third frequency band being any two adjacent frequency bands in the N frequency bands, the maximum frequency of the second frequency band being less than the minimum frequency of the third frequency band, the first ratio satisfying a first condition, the first frequency band being: the second frequency band, or the third frequency band, or a frequency band other than the second frequency band and the third frequency band in the N frequency bands; and transmit or receive a first sensing signal according to the N frequency bands, the first condition being related to a first parameter, the first parameter being used to indicate a threshold of ranging sidelobe performance of the first sensing signal.

[0413] The foregoing merely exemplarily describes. The communication apparatus 1000 is responsible for performing the method or the steps related to the first device or the second device in the foregoing method embodiments.

[0414] In a possible implementation, the communication interface 1020 can be a transceiver. The transceiver can include a transmitter and a receiver, the transmitter being configured to perform the transmitting operation, and the receiver being configured to perform the receiving operation. For example, the processor 1010 is configured to control the transceiver to receive and / or transmit signals.

[0415] In a possible implementation, the communication interface 1020 can also be a communication circuit, a pin, an input / output interface, a bus, etc.

[0416] It should be noted that the communication apparatus 1000 can include the transmitter but not the receiver. Alternatively, the communication apparatus 1000 can include the receiver but not the transmitter. Whether the transmitter and the receiver are included in the communication apparatus 1000 can depend on whether the communication apparatus 1000 performs the transmitting action and the receiving action in the foregoing schemes.

[0417] The foregoing merely exemplarily describes. The specific content can be referred to the content shown in the foregoing method embodiments. The implementation of each operation in FIG. 13 can also correspond to the description of the corresponding method embodiments shown in FIG. 6 to FIG. 12.

[0418] For example, the communication apparatus 1000 can be configured to perform the schemes shown in FIG. 6 to FIG. 12.

[0419] Exemplarily, the communication apparatus 1000 is a first device, and the communication interface 1020 can be configured to transmit the first information.

[0420] Exemplarily, the communication apparatus 1000 is a second device, and the communication interface 1020 can be configured to receive the first information.

[0421] For other implementation manners, refer to the detailed description of the embodiments shown in FIGS. 6-12, which will not be repeated here. It should be understood that the specific processes of the components performing the corresponding processes have been described in detail in the method embodiments, and for the sake of brevity, will not be repeated here.

[0422] FIG. 14 is a schematic block diagram of another communication apparatus 1100 according to an embodiment of the present application. The communication apparatus 1100 can be the first apparatus or the second apparatus, or a chip or module in the first apparatus or the second apparatus, configured to implement the methods according to the embodiments shown in FIGS. 6-12. For details, refer to the related description in the method embodiments. The communication apparatus 1100 can also be referred to as a sensing apparatus.

[0423] The communication apparatus 1100 includes a transceiver 1110. The transceiver 1110 is exemplarily described as follows.

[0424] The transceiver 1110 can include a sending unit and a receiving unit. The sending unit is configured to perform the sending action of the communication apparatus, and the receiving unit is configured to perform the receiving action of the communication apparatus. For the sake of description, the sending unit and the receiving unit are combined into one transceiver in the embodiments of the present application. This is uniformly described here, and will not be repeated hereinafter. The transceiver 1110 can implement the corresponding communication function. The transceiver 1110 can also be referred to as a communication interface or a communication module.

[0425] It should be noted that the communication apparatus 1100 can include the sending unit and not include the receiving unit. Alternatively, the communication apparatus 1100 can include the receiving unit and not include the sending unit. Specifically, whether the sending action and the receiving action are included in the above-mentioned schemes performed by the communication apparatus 1100.

[0426] Exemplarily, the transceiver 1110 is configured to send the first information, etc.

[0427] Optionally, the communication apparatus 1100 can further include a processing unit 1120 configured to perform the processing, coordination, etc. related to the communication apparatus 1100.

[0428] Exemplarily, the transceiver 1110 is configured to receive the first information, etc.

[0429] Optionally, the communication apparatus 1100 can further include a processing unit 1120 configured to perform the processing, coordination, etc. related to the communication apparatus 1100.

[0430] The above-mentioned content is only exemplarily described. The communication apparatus 1100 will be responsible for performing the related methods or steps in the above-mentioned method embodiments.

[0431] Optionally, the communication apparatus 1100 further includes a storage unit 1130 configured to store programs or codes for implementing the foregoing method. Alternatively, the storage unit 1130 can be configured to store instructions and / or data, and the processing unit 1120 can read the instructions and / or data in the storage unit 1130, so that the communication apparatus 1100 implements the foregoing method embodiments. For example, the communication apparatus 1100 can be configured to implement the schemes shown in FIGS. 6-12.

[0432] For example, the processing unit 1120 can be configured to determine the N frequency bands; and the transceiver 1110 can be configured to send first information indicating the N frequency bands.

[0433] For example, the transceiver 1110 can be configured to receive the first information; and the processing unit 1120 can be configured to perform sensing according to the N frequency bands.

[0434] For other implementation manners, refer to the detailed description of the embodiments shown in FIGS. 6-12, which will not be repeated here. It should be understood that the specific processes of the components performing the above corresponding processes have been described in the foregoing method embodiments, which will not be repeated here for brevity.

[0435] When the communication apparatus 1000 in FIG. 13 is a chip, the communication interface 1020 can be a transceiver, an input / output circuit or a communication interface of the chip. The processor 1010 can be an integrated processor on the chip, or a microprocessor, or an integrated circuit. The sending operation of the first device or the second device in the foregoing method embodiments can be understood as the output of the chip, and the receiving operation of the first device or the second device in the foregoing method embodiments can be understood as the input of the chip.

[0436] When the communication apparatus 1100 in FIG. 14 is a chip, the transceiver 1110 can be a transceiver, an input / output circuit or a communication interface of the chip. The processing unit 1120 can be an integrated processor on the chip, or a microprocessor, or an integrated circuit. The sending operation of the first device or the second device in the foregoing method embodiments can be understood as the output of the chip, and the receiving operation of the first device or the second device in the foregoing method embodiments can be understood as the input of the chip.

[0437] The present application also provides a chip including a processor configured to call and run instructions stored in a memory, so that a sensing device installed with the chip performs the method in each of the examples.

[0438] The application further provides another chip, comprising: an input interface, an output interface, and a processor, the input interface, the output interface, and the processor being connected through internal connection paths, the processor being configured to execute code in a memory, and when the code is executed, the processor is configured to execute the method in any of the above examples. Optionally, the chip further comprises a memory configured to store a computer program or code. Optionally, the memory can be located outside the chip.

[0439] The application further provides a processor configured to be coupled with a memory, and configured to execute the method and function related to the sensing device or the communication device in any of the above examples, or configured to execute the method and function related to the first device or the second device in any of the above examples.

[0440] In another embodiment of the application, a computer program product containing a computer program or instructions is provided, and when the computer program product is run on a computer, the method of the above embodiment is implemented.

[0441] The application further provides a computer program, and when the computer program is run on a computer, the method of the above embodiment is implemented.

[0442] In another embodiment of the application, a computer readable storage medium is provided, and the computer readable storage medium stores a computer program, and when the computer program is executed by a computer, the method of the above embodiment is implemented.

[0443] The application further provides a sensing system, comprising a first device and a second device. The first device and the second device are respectively configured to execute the method executed by the first device and the second device in the above embodiment.

[0444] Those skilled in the art can understand that the units and algorithm steps of each example described in combination with the embodiments disclosed herein can be realized by electronic hardware or a combination of computer software and electronic hardware. Whether the functions are realized in hardware or software mode depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to realize the described functions for each specific application, but such implementation should not be considered beyond the scope of the application.

[0445] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the above-described system, device and unit can refer to the corresponding process in the above method embodiments, which will not be described here.

[0446] In several embodiments provided in the present application, it should be understood that the disclosed system, device and method can be implemented in other manners. For example, the described device embodiments are merely schematic. The division of the units is merely logical function division. There can be other division manners in actual implementation. For example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the displayed or discussed mutual couplings or direct couplings or communication connections can be indirect couplings or communication connections through some interfaces, devices or units, and can be in electrical, mechanical or other forms.

[0447] The units described as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, i.e., can be located in one place, or can be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.

[0448] In addition, each functional unit in the various embodiments of the present application can be integrated into a processing unit, or each unit can be a physically separate unit, or two or more units can be integrated into one unit.

[0449] If the functions are realized in the form of software function units and sold or used as independent products, they can be stored in a computer readable storage medium. Based on this understanding, the technical solutions of the present application can be embodied in the form of a software product, and the computer software product is stored in a storage medium, and includes a number of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage medium includes: a U disk, a mobile hard disk, a read only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and various program code storage media.

[0450] The above is merely specific embodiments of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A method for indicating perceived resources, characterized in that, The method comprises: determining N frequency bands, N being an integer greater than 1, a ratio between a bandwidth of a first frequency band in the N frequency bands and a first interval being a first ratio, the first interval being an interval between a maximum frequency of a second frequency band and a minimum frequency of a third frequency band, the second frequency band and the third frequency band being any two adjacent frequency bands in the N frequency bands, the maximum frequency of the second frequency band being less than the minimum frequency of the third frequency band, the first ratio satisfying a first condition, the first frequency band being: the second frequency band, or the third frequency band, or a frequency band other than the second frequency band and the third frequency band in the N frequency bands; sending first information, the first information being used for indicating the N frequency bands, the N frequency bands being used for sending or receiving a first sensing signal, the first condition being related to a first parameter, the first parameter being used for indicating a threshold of ranging sidelobe performance of the first sensing signal.

2. The method of claim 1, wherein, The threshold of ranging sidelobe performance of the first sensing signal is less than a threshold of ranging sidelobe performance of a second sensing signal, and the first ratio is greater than a second ratio; wherein the second sensing signal is sent or received on M frequency bands, a ratio between a bandwidth of a fourth frequency band in the M frequency bands and a second interval being the second ratio, M being an integer greater than 1, the second interval being an interval between a maximum frequency of a fifth frequency band and a minimum frequency of a sixth frequency band, the fifth frequency band and the sixth frequency band being any two adjacent frequency bands in the M frequency bands, the maximum frequency of the fifth frequency band being less than the minimum frequency of the sixth frequency band, the bandwidth of the fourth frequency band being equal to the bandwidth of the first frequency band, the fourth frequency band being: the fifth frequency band, or the sixth frequency band, or a frequency band other than the fifth frequency band and the sixth frequency band in the M frequency bands.

3. The method according to claim 1 or 2, characterized in that, The first condition includes at least one of: wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, and the inverse of k is the first parameter.

4. The method according to any one of claims 1 to 3, characterized in that, The first condition includes: wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, and the inverse of k is the first parameter.

5. The method according to any one of claims 1 to 4, characterized in that, The first condition includes at least one of: wherein PSLR represents a peak-to-sidelobe ratio, dB represents decibel, B gap represents the first interval, B represents a bandwidth of the first frequency band, and the reciprocal of k and PSLR are the first parameters.

6. The method according to any one of claims 1 to 5, characterized in that, The first condition includes: wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, the inverse of k and PSLR are the first parameters, PSLR represents the peak-to-sidelobe ratio, and the reference point of PSLR is c represents the speed of light, and M = B / △, where △ represents a subcarrier spacing of the first frequency band.

7. The method according to any one of claims 1 to 6, characterized in that, The first information comprises indexes of the N frequency bands.

8. The method according to any one of claims 1 to 6, characterized in that, The first information comprises the first parameter.

9. The method of claim 8, wherein, The first information further comprises first indication information, the first indication information being used for indicating at least one of a starting frequency of the N frequency bands, N, or a bandwidth of the first frequency band.

10. The method according to any one of claims 1 to 9, characterized in that, The first ratio is an integer after rounding.

11. The method according to any one of claims 1 to 10, characterized in that, The N frequency bands comprise a first frequency band and a second frequency band, and at least one of a subcarrier spacing, a cyclic prefix length, or a frequency reference point of the first frequency band is the same as that of the second frequency band.

12. The method according to any one of claims 1 to 11, characterized in that, The N frequency bands are N component carriers (CCs).

13. The method according to any one of claims 1 to 12, characterized in that, The method further comprises: sending or receiving the first sensing signal according to the N frequency bands.

14. A sensing resource indication method, comprising: The method comprises: receive first information, the first information being used to indicate N frequency bands, N being an integer greater than 1, a ratio between a bandwidth of a first frequency band and a first interval in the N frequency bands being a first ratio, the first interval being an interval between a maximum frequency of a second frequency band and a minimum frequency of a third frequency band, the second frequency band and the third frequency band being any two adjacent frequency bands in the N frequency bands, the maximum frequency of the second frequency band being less than the minimum frequency of the third frequency band, the first ratio satisfying a first condition, the first frequency band being: the second frequency band, or the third frequency band, or a frequency band other than the second frequency band and the third frequency band in the N frequency bands; transmit or receive a first sensing signal according to the N frequency bands, the first condition being related to a first parameter, the first parameter being used to indicate a threshold of a ranging sidelobe performance of the first sensing signal.

15. The method of claim 14, wherein, The threshold of the ranging sidelobe performance of the first sensing signal is less than a threshold of a ranging sidelobe performance of a second sensing signal, and the first ratio is greater than a second ratio; wherein The second sensing signal is transmitted or received on M frequency bands, a ratio between a bandwidth of a fourth frequency band and a second interval in the M frequency bands being the second ratio, M being an integer greater than 1, the second interval being an interval between a maximum frequency of a fifth frequency band and a minimum frequency of a sixth frequency band, the fifth frequency band and the sixth frequency band being any two adjacent frequency bands in the M frequency bands, the maximum frequency of the fifth frequency band being less than the minimum frequency of the sixth frequency band, the bandwidth of the fourth frequency band being equal to the bandwidth of the first frequency band, the fourth frequency band being: the fifth frequency band, or the sixth frequency band, or a frequency band other than the fifth frequency band and the sixth frequency band in the M frequency bands.

16. The method according to claim 14 or 15, characterized in that The first condition includes at least one of: wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, and the inverse of k is the first parameter.

17. The method according to any one of claims 14 to 16, characterized in that, The first condition includes: wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, and the inverse of k is the first parameter.

18. The method according to any one of claims 14 to 17, characterized in that, The first condition includes at least one of: wherein PSLR represents a peak-to-sidelobe ratio, dB represents decibel, B gap represents the first interval, B represents a bandwidth of the first frequency band, and the reciprocal of k and PSLR are the first parameters.

19. The method according to any one of claims 14 to 18, characterized in that, The first condition includes: wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, the inverse of k and PSLR are the first parameters, PSLR represents the peak-to-sidelobe ratio, and the reference point of PSLR is c represents the speed of light, and M = B / △, where △ represents a subcarrier spacing of the first frequency band.

20. The method of any one of claims 14 to 19, wherein, The first information comprises indices of the N frequency bands.

21. The method of any one of claims 14-19, wherein, The first information comprises the first parameter.

22. The method of claim 21, wherein, The first information further comprises first indication information, the first indication information being used to indicate at least one of a starting frequency of the N frequency bands, N, or a bandwidth of the first frequency band.

23. The method of any one of claims 14 to 22, wherein, The first ratio is an integer after rounding.

24. The method according to any one of claims 14 to 23, characterized in that, The N frequency bands comprise a first frequency band and a second frequency band, and at least one of a subcarrier spacing, a cyclic prefix length, or a frequency reference point of the first frequency band is the same as that of the second frequency band.

25. The method of any one of claims 14 to 24, wherein, The N frequency bands are N component carriers (CCs).

26. A sensing device, comprising: comprise: a processing unit configured to determine N frequency bands, N being an integer greater than 1, a ratio between a bandwidth of a first frequency band and a first interval in the N frequency bands being a first ratio, the first interval being an interval between a maximum frequency of a second frequency band and a minimum frequency of a third frequency band, the second frequency band and the third frequency band being any two adjacent frequency bands in the N frequency bands, the maximum frequency of the second frequency band being less than the minimum frequency of the third frequency band, the first ratio satisfying a first condition, the first frequency band being: the second frequency band, or the third frequency band, or a frequency band other than the second frequency band and the third frequency band in the N frequency bands; The transceiver is configured to transmit first information, the first information being used to indicate the N frequency bands, the N frequency bands being used to transmit or receive a first sensing signal, the first condition being related to a first parameter, the first parameter being used to indicate a threshold of a ranging sidelobe performance of the first sensing signal.

27. The apparatus of claim 26, wherein, The threshold of the ranging sidelobe performance of the first sensing signal is less than a threshold of a ranging sidelobe performance of a second sensing signal, and the first ratio is greater than a second ratio; wherein The second sensing signal is transmitted or received on the M frequency bands, a ratio between a bandwidth of a fourth frequency band in the M frequency bands and a second interval is the second ratio, M is an integer greater than 1, the second interval is an interval between a maximum frequency of a fifth frequency band and a minimum frequency of a sixth frequency band, the fifth frequency band and the sixth frequency band are any two adjacent frequency bands in the M frequency bands, the maximum frequency of the fifth frequency band is less than the minimum frequency of the sixth frequency band, the bandwidth of the fourth frequency band is equal to the bandwidth of the first frequency band, and the fourth frequency band is: the fifth frequency band, or the sixth frequency band, or a frequency band other than the fifth frequency band and the sixth frequency band in the M frequency bands.

28. The apparatus of claim 26 or 27, wherein, The first condition includes at least one of: wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, and the inverse of k is the first parameter.

29. The apparatus of any one of claims 26-28, wherein, The first condition includes: wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, and the inverse of k is the first parameter.

30. The apparatus of any one of claims 26-29, wherein, The first condition includes at least one of: wherein PSLR represents a peak-to-sidelobe ratio, dB represents decibel, B gap represents the first interval, B represents a bandwidth of the first frequency band, and the reciprocal of k and PSLR are the first parameters.

31. The apparatus of any one of claims 26-30, wherein, The first condition includes: wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, the inverse of k and PSLR are the first parameters, PSLR represents the peak-to-sidelobe ratio, and the reference point of PSLR is c represents a speed of light, and M = B / △, where △ represents a subcarrier spacing of the first frequency band.

32. The apparatus of any one of claims 26-31, wherein, The first information includes indices of the N frequency bands.

33. The apparatus of any one of claims 26-31, wherein, The first information includes the first parameter.

34. The apparatus of claim 33, wherein, The first information further includes first indication information, the first indication information being used to indicate at least one of a starting frequency of the N frequency bands, N, or a bandwidth of the first frequency band.

35. The apparatus of any one of claims 26-34, wherein, The first ratio is an integer after rounding.

36. The apparatus of any one of claims 26-35, wherein, The N frequency bands include a first frequency band and a second frequency band, and at least one of a subcarrier spacing, a cyclic prefix length, or a frequency reference point of the first frequency band is the same as that of the second frequency band.

37. The apparatus of any one of claims 26-36, wherein, The N frequency bands are N component carriers (CCs).

38. The apparatus of any one of claims 26-37, wherein, The transceiver is further configured to: transmit or receive the first sensing signal according to the N frequency bands.

39. A resource sensing indicator device, characterized in that, The transceiver is configured to receive first information, the first information being used to indicate N frequency bands, N being an integer greater than 1, a ratio between a bandwidth of a first frequency band in the N frequency bands and a first interval being a first ratio, the first interval being an interval between a maximum frequency of a second frequency band and a minimum frequency of a third frequency band, the second frequency band and the third frequency band being any two adjacent frequency bands in the N frequency bands, the maximum frequency of the second frequency band being less than the minimum frequency of the third frequency band, and the first ratio satisfying a first condition, the first frequency band being: the second frequency band, or the third frequency band, or a frequency band other than the second frequency band and the third frequency band in the N frequency bands. The transceiver is further configured to transmit or receive a first sensing signal according to the N frequency bands, the first condition being related to a first parameter, the first parameter being used to indicate a threshold of a ranging sidelobe performance of the first sensing signal. The threshold of the ranging sidelobe performance of the first sensing signal is less than a threshold of a ranging sidelobe performance of a second sensing signal, and the first ratio is greater than a second ratio; wherein 40. The device of claim 39, wherein, The second sensing signal is transmitted or received on the M frequency bands, a ratio between a bandwidth of a fourth frequency band in the M frequency bands and a second interval is the second ratio, M is an integer greater than 1, the second interval is an interval between a maximum frequency of a fifth frequency band and a minimum frequency of a sixth frequency band, the fifth frequency band and the sixth frequency band are any two adjacent frequency bands in the M frequency bands, the maximum frequency of the fifth frequency band is less than the minimum frequency of the sixth frequency band, the bandwidth of the fourth frequency band is equal to the bandwidth of the first frequency band, and the fourth frequency band is: the fifth frequency band, or the sixth frequency band, or a frequency band other than the fifth frequency band and the sixth frequency band in the M frequency bands. The second sensing signal is transmitted or received on the M frequency bands, a ratio between a bandwidth of a fourth frequency band in the M frequency bands and a second interval is a second ratio, M is an integer greater than 1, the second interval is an interval between a maximum frequency of a fifth frequency band and a minimum frequency of a sixth frequency band, the fifth frequency band and the sixth frequency band are any two adjacent frequency bands in the M frequency bands, the maximum frequency of the fifth frequency band is less than the minimum frequency of the sixth frequency band, the bandwidth of the fourth frequency band is equal to the bandwidth of the first frequency band, and the fourth frequency band is: the fifth frequency band, or the sixth frequency band, or a frequency band other than the fifth frequency band and the sixth frequency band in the M frequency bands.

41. The apparatus of claim 39 or 40, wherein, The first condition includes at least one of: wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, and the inverse of k is the first parameter.

42. The apparatus of any one of claims 39-41, wherein, The first condition includes: wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, and the inverse of k is the first parameter.

43. The apparatus of any one of claims 39-42, wherein, The first condition includes at least one of: wherein PSLR represents a peak-to-sidelobe ratio, dB represents decibel, B gap represents the first interval, B represents a bandwidth of the first frequency band, and the reciprocal of k and PSLR are the first parameters.

44. The apparatus of any one of claims 39-43, wherein, The first condition includes: wherein B gap represents the first interval, B represents the bandwidth of the first frequency band, the inverse of k and PSLR are the first parameters, PSLR represents the peak-to-sidelobe ratio, and the reference point of PSLR is c represents the speed of light, and M = B / △, where △ represents a subcarrier spacing of the first frequency band.

45. The apparatus of any one of claims 39-44, wherein, The first information includes indexes of the N frequency bands.

46. The apparatus of any one of claims 39-44, wherein, The first information includes the first parameter.

47. The device of claim 46, wherein, The first information further includes first indication information, the first indication information being used to indicate at least one of a starting frequency of the N frequency bands, N, or a bandwidth of the first frequency band.

48. The apparatus of any one of claims 39-47, wherein, The first ratio is an integer after rounding.

49. The apparatus of any one of claims 39-48, wherein, The N frequency bands include a first frequency band and a second frequency band, and the first frequency band and the second frequency band are identical in at least one of a subcarrier spacing, a cyclic prefix length, or a frequency reference point.

50. The apparatus of any one of claims 39-49, wherein, The N frequency bands are N component carriers (CCs).

51. A sensing device, comprising: comprising: a processor configured to cause the method of any one of claims 1-13 to be performed, or to cause the method of any one of claims 14-25 to be performed, by executing computer programs or instructions.

52. A computer-readable storage medium, comprising: The computer readable storage medium has stored thereon computer programs or instructions which, when executed, cause the method of any one of claims 1-13 to be implemented, or cause the method of any one of claims 14-25 to be implemented.

53. A computer program product, characterised in that, comprising computer programs or instructions which, when executed, cause the method of any one of claims 1-13 to be implemented, or cause the method of any one of claims 14-25 to be implemented.

54. A chip, comprising: comprising: a processor configured to cause the method of any one of claims 1-13 to be implemented, or to cause the method of any one of claims 14-25 to be implemented, by executing computer programs or instructions.

55. The chip of claim 54, wherein, The chip further comprises a memory configured to store the computer programs or the instructions.

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