Communication method and apparatus

Abstract

A communication method and apparatus. Sensing information is divided into two parts, and the two parts are respectively transmitted by means of different resources, so that an access network device flexibly configures, for a terminal, resources used for transmitting the sensing information. The method comprises: receiving first information, wherein the first information indicates a first resource, the first resource is a physical uplink control channel resource, and the first resource is used for transmitting sensing information; sending first sensing information on the first resource, the first sensing information being part or all of the sensing information; or sending first sensing information on the first resource, and sending second sensing information on a second resource, wherein the first sensing information is a first part of the sensing information, the second sensing information is a second part of the sensing information, the second resource is a physical uplink shared channel resource, and the second resource is used for transmitting the sensing information.

Description

Communication method and apparatus

[0001] Cross-reference to Related Applications

[0002] This application claims priority to the Chinese Patent Application No. 202410864872.6, filed on June 28, 2024, and entitled "A Communication Method and Apparatus", the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0003] The present application relates to the field of communication, and in particular, to a communication method and apparatus. BACKGROUND

[0004] With the development of network technology, a base station can utilize a communication signal to implement sensing functions such as detection, positioning, identification, and imaging of a target object. A wireless communication system composed of a base station and a terminal device, or a base station and a base station, can utilize the sensing functions to obtain surrounding environment information, intelligently and accurately allocate communication resources, tap potential communication capabilities, and enhance user experience.

[0005] Taking a communication system composed of a base station and a terminal device as an example, one possible way is that the terminal can perform channel measurement based on a reference signal, and then obtain sensing information according to the channel measurement result. For example, the reference signal can be a channel state information reference signal (CSI-RS) or a sounding reference signal (SRS). However, there is no further discussion on how the terminal feeds back the sensing information and how the base station allocates resources for the terminal to feed back the sensing information. SUMMARY

[0006] Embodiments of the present application provide a communication method and apparatus to enable a terminal to feed back sensing information to a base station.

[0007] In a first aspect, the present application provides a communication method, which can be executed by a terminal or a chip in the terminal. The method includes: receiving first information, the first information indicating a first resource, the first resource being a physical uplink control channel resource; the first resource being used for transmitting sensing information; transmitting first sensing information on the first resource, the first sensing information being part or all of the sensing information; or transmitting first sensing information on the first resource and transmitting second sensing information on a second resource, the first sensing information being a first part of the sensing information, the second sensing information being a second part of the sensing information, the second resource being a physical uplink shared channel resource, and the second resource being used for transmitting the sensing information.

[0008] Compared with the access network device reserving resources for the terminal and the access network device generally reserving resources according to the upper limit of resource demand, the access network device flexibly configures resources for the terminal to transmit sensing information by using the above method. Since the first resource is a PUCCH resource, the PUCCH resource has good reliability and coverage, and can effectively guarantee the transmission reliability of the sensing information.

[0009] In a possible design, the sensing information includes information of N sensing targets, where N is a positive integer; the first sensing information includes information of M1 sensing targets in the N sensing targets, and the second sensing information includes information of M2 sensing targets in the N sensing targets, where M1 is a positive integer, M2 is a positive integer, and M1+M2≤N.

[0010] For M1+M2=N, all the sensing information is fed back through the first resource and the second resource; for M1+M2

[0011] In a possible design, an information amount of the first sensing information is X, an information amount that can be carried by the first resource is Y, an information amount of the sensing information is Z, and X=min(Y,Z).

[0012] The above design can be used to transmit more sensing information through the first resource, and improve the utilization of the first resource.

[0013] In a possible design, if X=Y and Y

[0014] In a possible design, a minimum value of Doppler frequency offset of a sensing target in the first sensing information is greater than or equal to a maximum value of Doppler frequency offset of a sensing target in the second sensing information. Since a sensing target with a greater Doppler frequency offset has a faster moving speed, and a sensing target with a smaller Doppler frequency offset has a slower moving speed, in this way, the sensing information with a greater Doppler frequency offset is preferentially transmitted through the physical uplink control channel, which can guarantee that the information of a sensing target with a high moving speed is fed back through the first resource, and the information of a sensing target with a low moving speed is fed back through the second resource. This design scheme has the advantage of improving the refresh frequency of the information of a sensing target with a greater Doppler frequency offset and a faster speed, and is beneficial to sensing of a high-speed moving object.

[0015] In a possible design, a minimum of a quantization bit width of information included in the first perception information is greater than or equal to a maximum of a quantization bit width of information included in the second perception information, or a maximum of the quantization bit width of the information included in the first perception information is less than or equal to a minimum of the quantization bit width of the information included in the second perception information.

[0016] In a possible design, a minimum of an SNR corresponding to a perception target in the first perception information is greater than or equal to a maximum of an SNR corresponding to a perception target in the second perception information, or a maximum of the SNR corresponding to the perception target in the first perception information is less than or equal to a minimum of the SNR corresponding to the perception target in the second perception information.

[0017] In a possible design, a minimum of an RCS corresponding to a perception target in the first perception information is greater than or equal to a maximum of an RCS corresponding to a perception target in the second perception information, or a maximum of the RCS corresponding to the perception target in the first perception information is less than or equal to a minimum of the RCS corresponding to the perception target in the second perception information.

[0018] In a possible design, first indication information is sent to the access network device before the first information is received, where the first indication information is used to indicate an information amount of the perception information.

[0019] In a second aspect, a communication method is provided, which can be performed by an access network device or a chip in the access network device. The method includes: sending first information, where the first information indicates a first resource, and the first resource is a physical uplink control channel (PUCCH) resource; the first resource is used to transmit perception information; receiving first perception information on the first resource, where the first perception information is part or all of the perception information; or receiving the first perception information on the first resource and receiving second perception information on a second resource, where the first perception information is a first part of the perception information, the second perception information is a second part of the perception information, and the second resource is a physical uplink shared channel (PUSCH) resource, and the second resource is used to transmit the perception information.

[0020] Compared with reserving resources for a terminal by the access network device and generally reserving resources according to an upper limit of resource demand, the method can flexibly configure resources for the terminal to transmit the perception information by the access network device. Moreover, the first resource is a PUCCH resource, and the PUCCH resource has better reliability and coverage, which can effectively ensure the transmission reliability of the perception information.

[0021] Some possible designs and advantages of the second aspect can refer to those of the first aspect, and will not be described herein again.

[0022] In a possible design, the first information is transmitted after receiving indication information, where the indication information is used to indicate an amount of the perception information.

[0023] In a third aspect, the present application provides a communication method, which can be performed by a terminal or a chip in the terminal. The method includes: determining perception information, where the perception information includes first perception information and second perception information, and a priority of the first perception information is higher than a priority of the second perception information; transmitting the first perception information on a first resource and transmitting the second perception information on a second resource, where the first resource is a physical uplink control channel (PUCCH) resource, and the second resource is a physical uplink shared channel (PUSCH) resource.

[0024] With the above method, the terminal determines the first perception information and the second perception information, and the priorities of the first perception information and the second perception information are different. Further, the terminal transmits the first perception information with a higher priority on a first resource and transmits the second perception information with a lower priority on a second resource, where the first resource is a PUCCH resource. The PUCCH resource has better reliability and coverage, and can effectively ensure the transmission reliability of the perception information. In addition, compared with reserving resources for the terminal by the access network device and generally reserving resources according to the upper limit of resource demand, the access network device flexibly configures resources for the terminal to transmit the perception information by using the above method.

[0025] In a possible design, the perception information includes information of N perception targets, where N is a positive integer; the first perception information includes information of M1 perception targets in the N perception targets, and the second perception information includes information of M2 perception targets in the N perception targets, where M1 is a positive integer, M2 is a positive integer, and M1+M2≤N.

[0026] In a possible design, the first perception information includes information of a perception target with a Doppler frequency offset greater than or equal to a preset frequency offset threshold; and the second perception information includes information of a perception target with a Doppler frequency offset less than the preset frequency offset threshold. Alternatively, the first perception information includes information of a perception target with a Doppler frequency offset greater than a preset frequency offset threshold; and the second perception information includes information of a perception target with a Doppler frequency offset equal to or less than the preset frequency offset threshold.

[0027] In a possible design, the first perception information includes information with a first quantization bit width; the second perception information includes information with a second quantization bit width; and the first quantization bit width is different from the second quantization bit width.

[0028] In a possible design, the first awareness information includes information of an awareness target belonging to a first awareness region; and the second awareness information includes information of an awareness target belonging to a second awareness region, where the second awareness region is a region outside the first awareness region or the second awareness region does not overlap the first awareness region.

[0029] In a possible design, the first awareness information includes information of an awareness target with an SNR less than a preset SNR threshold, and the second awareness information includes information of an awareness target with an SNR greater than or equal to the preset SNR threshold, or the first awareness information includes information of an awareness target with an SNR greater than or equal to a preset SNR threshold, and the second awareness information includes information of an awareness target with an SNR less than the preset SNR threshold.

[0030] In a possible design, the first awareness information includes information of an awareness target with an RCS less than a preset RCS threshold, and the second awareness information includes information of an awareness target with an RCS greater than or equal to the preset RCS threshold, or the first awareness information includes information of an awareness target with an RCS greater than or equal to a preset RCS threshold, and the second awareness information includes information of an awareness target with an RCS less than the preset RCS threshold.

[0031] In a fourth aspect, the present application provides a communication method, which can be performed by an access network device or a chip in the access network device, and the method includes: receiving first awareness information on a first resource, and receiving second awareness information on a second resource, where the first resource is a physical uplink control channel resource, the second resource is a physical uplink shared channel resource, and a priority of the first awareness information is higher than a priority of the second awareness information.

[0032] Some possible designs and advantages of the fourth aspect can refer to the third aspect, and will not be repeated here.

[0033] In a fifth aspect, the present application provides a communication apparatus, which includes a transceiver unit and a processing unit, where the processing unit invokes the transceiver unit to perform: receiving first information, where the first information indicates a first resource, the first resource is a physical uplink control channel resource, and the first resource is used to transmit awareness information; and transmitting first awareness information on the first resource, where the first awareness information is part or all of the awareness information, or transmitting the first awareness information on the first resource and transmitting second awareness information on a second resource, where the first awareness information is a first part of the awareness information, the second awareness information is a second part of the awareness information, the second resource is a physical uplink shared channel resource, and the second resource is used to transmit the awareness information.

[0034] Some possible designs and benefits of the fifth aspect can be derived from the first aspect, and thus are not repeated here.

[0035] In a possible design, the transceiver is configured to send, before receiving the first information, first indication information to the access network device, where the first indication information is used to indicate an information amount of the awareness information.

[0036] In the sixth aspect, the present application provides a communication apparatus, which includes a transceiver and a processing unit, where the processing unit invokes the transceiver to perform the following steps: sending first information, where the first information indicates a first resource, and the first resource is a physical uplink control channel resource; and receiving first awareness information on the first resource, where the first awareness information is part or all of the awareness information; or receiving the first awareness information on the first resource and receiving second awareness information on a second resource, where the first awareness information is a first part of the awareness information, the second awareness information is a second part of the awareness information, and the second resource is a physical uplink shared channel resource, and the second resource is used to transmit the awareness information.

[0037] Some possible designs and benefits of the sixth aspect can be derived from the second aspect, and thus are not repeated here.

[0038] In a possible design, the transceiver is configured to receive, before sending the first information, indication information, where the indication information is used to indicate an information amount of the awareness information.

[0039] In the seventh aspect, the present application provides a communication apparatus, which includes a transceiver and a processing unit, where the processing unit is configured to determine awareness information, where the awareness information includes first awareness information and second awareness information, and a priority of the first awareness information is higher than a priority of the second awareness information; and the transceiver is configured to send the first awareness information on a first resource and send the second awareness information on a second resource, where the first resource is a physical uplink control channel resource, and the second resource is a physical uplink shared channel resource.

[0040] Some possible designs and benefits of the seventh aspect can be derived from the third aspect, and thus are not repeated here.

[0041] In the eighth aspect, the present application provides a communication apparatus, which includes a transceiver and a processing unit, where the processing unit invokes the transceiver to perform the following steps: receiving first awareness information on a first resource and receiving second awareness information on a second resource, where the first resource is a physical uplink control channel resource, the second resource is a physical uplink shared channel resource, and a priority of the first awareness information is higher than a priority of the second awareness information.

[0042] Some possible designs and beneficial effects of the eighth aspect can refer to the fourth aspect, and will not be repeated here.

[0043] In a ninth aspect, the present application provides a communication apparatus, which can be the first apparatus, or can be a module or unit (for example, a chip, or a chip system, or a circuit) corresponding to the method / operation / step / action described in any one of the first aspect or the third aspect, or can be used in matching with the first apparatus.

[0044] In a tenth aspect, the present application provides a communication apparatus, which can be the second apparatus, or can be a module or unit (for example, a chip, or a chip system, or a circuit) corresponding to the method / operation / step / action described in any one of the second aspect or the fourth aspect, or can be used in matching with the second apparatus.

[0045] In an eleventh aspect, the present application provides a communication device, including at least one processing element, and at least one storage element for storing programs and data, wherein the at least one processing element is configured to read and execute the programs and data stored in the storage element, so that the method described in any one of the aspects of the present application is implemented.

[0046] In a possible design, the communication device further includes the at least one storage element.

[0047] In a twelfth aspect, the present application further provides a computer program, which, when running on a computer, causes the computer to execute the method described in any one of the aspects.

[0048] In a thirteenth aspect, the present application provides a communication apparatus, including: an interface circuit and at least one processor; the interface circuit is configured to provide input and / or output of programs or instructions for the at least one processor; the at least one processor is configured to execute the programs or instructions so that the communication apparatus can implement the method described in any one of the aspects.

[0049] In a possible manner, the communication apparatus includes the at least one memory, and the at least one memory is configured to store the programs or instructions.

[0050] In a fourteenth aspect, the present application provides a computer storage medium, which stores a software program, and the software program, when read and executed by one or more processors, can implement the method described in any one of the aspects.

[0051] In a fifteenth aspect, the present application provides a computer program product comprising instructions which, when executed on a computer, cause the computer to carry out the method of any one of the preceding aspects.

[0052] In a sixteenth aspect, the present application provides a chip system comprising at least one chip and a memory, the at least one chip being configured to read and execute a program stored in the memory to implement the method of any one of the preceding aspects.

[0053] On the basis of the implementation of the above aspects, the present application can be further combined to provide more implementations. BRIEF DESCRIPTION OF DRAWINGS

[0054] FIG. 1 shows a schematic diagram of a possible communication system in the present application;

[0055] FIG. 2 shows an overview flowchart of a communication method in the present application;

[0056] FIG. 3 shows a schematic diagram of a first resource and a second resource in the present application;

[0057] FIG. 4 shows an overview flowchart of another communication method in the present application;

[0058] FIG. 5A and FIG. 5B show a schematic diagram of a first sensing region and a second sensing region in the present application;

[0059] FIG. 6 shows an overview flowchart of yet another communication method in the present application;

[0060] FIG. 7A and FIG. 7B show a schematic diagram of resources respectively configured by the access network device for UE1 and UE2 in the present application;

[0061] FIG. 8 shows a schematic diagram of a structure of a communication apparatus in the present application;

[0062] FIG. 9 shows a schematic diagram of a structure of another communication apparatus in the present application. DETAILED DESCRIPTION

[0063] The specific implementation manners of the present application will be described below in conjunction with the accompanying drawings in the embodiments of the present application. However, the implementation manners of the present application can also include combinations of these embodiments without departing from the spirit or scope of the present application, such as using other embodiments and making structural changes. Therefore, the detailed description of the following embodiments should not be interpreted in a limiting sense. The terms used in the embodiment section of the present application are only used to explain the specific embodiments of the present application, and are not intended to limit the present application.

[0064] The embodiments of the present application can be applied to various communication systems, for example, long term evolution (LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (TDD), worldwide interoperability for microwave access (WIMAX) communication system, 5G system or new radio (NR), or future communication system or other similar communication system, or ultra wide band (UWB) system, or wireless fidelity (WiFi) system.

[0065] FIG. 1 shows a possible, non-restricting system schematic diagram. As shown in FIG. 1, the communication system 1000 includes a radio access network 100 and a core network 200, and optionally, the communication system 1000 can also include an Internet 300. The radio access network 100 can include at least one radio access network device (e.g., 110a and 110b in FIG. 1) and at least one terminal (e.g., 120a-120j in FIG. 1). The terminal connects to the radio access network device in a wireless manner, and the radio access network device connects to the core network in a wireless or wired manner. The core network device and the radio access network device can be independent and different physical devices, or the functions of the core network device and the logical functions of the radio access network device can be integrated on the same physical device, or a physical device can integrate the functions of part of the core network device and part of the radio access network device. The terminals can be connected to each other in a wired or wireless manner, and the radio access network devices can be connected to each other in a wired or wireless manner. FIG. 1 is only a schematic diagram, and the communication system can also include other network devices, such as wireless relay devices and wireless backhaul devices, which are not shown in FIG. 1.

[0066] The radio access network device can be a base station, an evolved NodeB (eNodeB), a transmission reception point (TRP), a next generation NodeB (gNB) in a 5G mobile communication system, a base station in a future mobile communication system, or an access node in a WiFi system, etc. The radio access network device can also be an open radio access network (O-RAN or ORAN), or a cloud radio access network (CRAN). The radio access network device can also be a communication system that integrates two or more of the above systems. The radio access network device can be a macro base station (such as 110a in FIG. 1), or a micro base station or indoor station (such as 110b in FIG. 1), or a relay node or donor node, etc.

[0067] In addition, the radio access network device can also be a module or unit that completes part of the functions of the base station, for example, a central unit (CU), a distributed unit (DU), a CU-control plane (CP), a CU-user plane (UP), or a radio unit (RU), etc. In different systems, the CU (or CU-CP and CU-UP), DU or RU can also have different names, but those skilled in the art can understand their meanings. For example, in an ORAN 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, CU-CP, CU-UP, DU and RU are taken as examples for description in this application. Any one of the CU (or CU-CP, CU-UP), DU and RU in this application can be implemented by a software module, a hardware module, or a combination of a software module and a hardware module.

[0068] Embodiments of the present application do not limit the specific technology and specific device form adopted by the wireless access network device. For ease of description, the wireless access network device will be referred to as an access network device hereinafter. It can be understood that the access network device can be referred to as a communication apparatus. For example, the access network device can be understood as an apparatus with access network device functions. For example, the apparatus with access network device functions can be an access network device; or part of the elements in the access network device, such as a CU, a DU, etc. It can also be an apparatus capable of supporting the access network device to implement the function, such as a chip system, a hardware circuit, a software module, or a hardware circuit plus a software module, which can be installed in the access network device or can be used in matching with the access network device. In the embodiments of the present application, the chip system can be composed of a chip, or can include a chip and other discrete devices.

[0069] The terminal can also be referred to as a terminal device, user equipment (UE), mobile station, mobile terminal, etc. The terminal can be widely applied to various scenarios, such as device-to-device (D2D), vehicle to everything (V2X) communication, MTC, IoT, virtual reality, augmented reality, industrial control, automatic driving, remote medical treatment, smart power grid, smart furniture, smart office, smart wear, smart transportation, smart city, etc. The terminal can be a mobile phone, tablet computer, computer with wireless transceiver function, wearable device, vehicle, unmanned aerial vehicle, helicopter, airplane, ship, robot, mechanical arm, smart home device, etc.

[0070] Embodiments of the present application do not limit the specific technology and specific device form adopted by the terminal. It can be understood that the terminal can be referred to as a communication apparatus. For example, the terminal can be understood as an apparatus with terminal functions. For example, the apparatus with terminal functions can be a terminal; or an apparatus capable of supporting the terminal to implement the function, such as a chip system, a hardware circuit, a software module, or a hardware circuit plus a software module, which can be installed in the terminal or can be used in matching with the terminal.

[0071] The access network device and the terminal can be fixed in position or movable. The access network device and the terminal can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; can also be deployed on the water surface; can also be deployed on airplanes, balloons and artificial satellites. Embodiments of the present application do not limit the application scenarios of the access network device and the terminal.

[0072] The roles of the access network device and the terminal can be opposite. For example, the helicopter or the unmanned aerial vehicle 120i in FIG. 1 can be configured as a mobile access network device, and for the terminal 120j that accesses the wireless access network 100 through the 120i, the unmanned aerial vehicle 120i is an access network device; but for the access network device 110a, the 120i is a terminal, that is, the 110a and the 120i communicate through a wireless air interface protocol. Of course, the 110a and the 120i can also communicate through an interface protocol between the access network device and the access network device, and at this time, the 120i is also an access network device relative to the 110a. The 110a and the 110b in FIG. 1 can be referred to as a communication apparatus with an access network device function, and the 120a-120j in FIG. 1 can be referred to as a communication apparatus with a terminal function.

[0073] The access network device and the terminal, the access network device and the access network device, and the terminal and the terminal can communicate through a licensed spectrum, or through an unlicensed spectrum, or through both the licensed spectrum and the unlicensed spectrum; can communicate through a spectrum below 6 gigahertz (GHz), or through a spectrum above 6 GHz, or through both the spectrum below 6 GHz and the spectrum above 6 GHz. The embodiments of the present application do not limit the spectrum resources used for wireless communication.

[0074] It can be understood that in the embodiments of the present application, the physical uplink control channel (PUCCH) and the physical uplink shared channel (PUSCH) are only used as an example of an uplink control channel and an uplink data channel respectively. In different systems and different scenarios, the data channel and the control channel can have different names, and the embodiments of the present application do not limit this.

[0075] The technical concepts involved in the present application are briefly described as follows:

[0076] 1, Perception target

[0077] The perception target can also be referred to as a perception point or a unit point. In an example, assuming that the positions of the access network device and the terminal are known, a wireless signal emitted by the access network device arrives at an object (such as a wall) in the surrounding environment and is scattered, and the terminal or the access network device can receive the scattered signal and determine a channel measurement result based on the received scattered signal. Based on the channel measurement results obtained by the access network device, one terminal at multiple positions, or multiple terminals, the positions of the environmental scattering points on multiple paths can be obtained, and the multiple environmental scattering points constitute a point cloud. The point cloud information can be used to further reconstruct the environmental scattering body (that is, the object in the surrounding environment). In the above example, the environmental scattering point can be understood as a possible implementation manner of the perception target.

[0078] In another example, assuming that the positions of the access network device and the terminal are known, the wireless signal emitted by the access network device can also arrive at one or more moving objects (such as a drone, a car, or the like) and be reflected, and the access network device or the terminal can receive the reflected signal from the moving object and determine a channel measurement result based on the received reflected signal. Based on the channel measurement results obtained by the access network device, one terminal at multiple positions, or multiple terminals, the position of at least one reflection point, that is, the position of the one or more moving objects, can be obtained. In the above example, the reflection point can also be understood as a possible implementation manner of the perception target.

[0079] 2. Perception signal

[0080] The perception signal is a signal used for perception. The perception signal can be a signal of which the initial amplitude and phase can be known by a receiving end. Alternatively, the perception signal can be a reference signal such as a CSI-RS or a sounding reference signal (SRS), and the initial amplitude and phase information of the perception signal can be pre-configured to the receiving end by a configuration sequence or the like. The perception signal can also be a data signal, and the receiving end can calculate the initial amplitude and phase of each data signal by a known modulation manner such as data checking. The perception signal can also be any other signal of which the initial amplitude and phase can be known by the receiving end. The present application does not limit the presentation form of the perception signal.

[0081] 3. Perception information

[0082] The perception information can also be referred to as perception data or a perception result. The perception information refers to the related information of the perceived target obtained by the receiving end through perception. Exemplarily, the perception information can be a distance-angle spectrum or point cloud information. The present application does not limit the specific form of the perception information.

[0083] The distance-angle spectrum refers to a two-dimensional matrix or a two-dimensional spectrum, for example, taking time delay as the horizontal coordinate, angle as the vertical coordinate, and the ratio of the energy / SNR of each point as the element. Based on the reference signal, the channel matrix H can be obtained, and the time delay, angle, and the ratio of the energy / SNR of each point in each path can be determined according to the channel matrix H. The point cloud information can be determined according to the distance-angle spectrum. For example, the point cloud information can include the total number of points and the three-dimensional coordinates of each point. For example, the ratio of the energy / SNR of each point in the distance-angle spectrum is compared with a preset threshold, and the set of points whose ratio of the energy / SNR is higher than the preset threshold is referred to as a point cloud.

[0084] For example, if the perception information is point cloud information, the information of each of the N perception targets in the information can include the three-dimensional coordinates of the perception target. In addition, the information of each perception target can include one or more of the Doppler frequency offset of the perception target, the SNR of the perception target, or the RCS of the perception target, and the information of each perception target can also include other contents, which are not limited by the present application. For another example, if the perception information is a distance-angle spectrum, the information of each of the N perception targets in the information can include the time delay, angle, and the ratio of the energy / SNR of the perception target. In addition, the information of each perception target can include one or more of the Doppler frequency offset of the perception target, the SNR of the perception target, or the RCS of the perception target, and the information of each perception target can also include other contents, which are not limited by the present application.

[0085] 4. Radar cross section (RCS)

[0086] The RCS is used to evaluate and measure the ability of a perception target to reflect radar signals in the direction of radar reception. The RCS of a perception target is equal to the ratio of the power reflected by the perception target in the direction of the radar receiving antenna per unit solid angle to the power density (per square meter) incident on the perception target, that is, the RCS of a perception target is proportional to the area of the perception target and the reflected signal strength of the electromagnetic wave reaching the perception target.

[0087] Currently, a terminal can perform channel measurement based on a reference signal, and determine sensing information according to a channel measurement result. A base station can obtain the sensing information through a feedback manner of the terminal, and therefore, the base station needs to reserve sufficient time-frequency resources for the terminal to feed back the sensing information. In order to ensure the feedback of the sensing information, and because the base station cannot predict the information size of the sensing information that needs to be fed back by the terminal, the base station usually reserves more time-frequency resources, which leads to excessive resource overhead of the sensing information. Exemplarily, the reserved resources can be in two ways, protocol definition or configuration for the terminal in a parameter initialization stage, and the reserved resources generally do not change in subsequent processes.

[0088] Based on this, in order to realize the feedback of the sensing information from the terminal to the base station and save the resource overhead required for the feedback of the sensing information, embodiments of the present application provide a communication method as shown in FIG. 2, FIG. 4 and FIG. 6. It can be understood that, in the following embodiments, an access network device and a terminal are taken as the execution subject for description. The access network device can be referred to as a communication apparatus. For example, the access network device can be understood as an apparatus having an access network device function. For example, the apparatus having the access network device function can be the access network device; or part of elements in the access network device, such as a CU, a DU, etc. It can also be an apparatus capable of supporting the access network device to implement the function, such as a chip system, a hardware circuit, a software module, or a hardware circuit plus a software module, which can be installed in the access network device or can be used in matching with the access network device. In the embodiments of the present application, the chip system can be composed of a chip, or can include the chip and other discrete devices. The terminal can be referred to as a communication apparatus. For example, the terminal can be understood as an apparatus having a terminal function. For example, the apparatus having the terminal function can be the terminal; or an apparatus capable of supporting the terminal to implement the function, such as a chip system, a hardware circuit, a software module, or a hardware circuit plus a software module, which can be installed in the terminal or can be used in matching with the terminal.

[0089] As shown in FIG. 2, the present application provides a communication method. The method comprises:

[0090] Step 200, the access network device sends first information to the terminal. Correspondingly, the terminal receives the first information from the access network device.

[0091] The first information indicates a first resource, and the first resource is a PUCCH resource. The first resource is used for transmitting the sensing information.

[0092] Exemplarily, the access network device can send a first message to the terminal, and the first message carries first information. For example, the first information can be carried by a field in the first message. Exemplarily, the first message is a downlink control information (DCI), or a radio resource control (RRC) message, etc., which is not limited in the present application.

[0093] In addition, in a possible implementation, before sending the first information, the terminal can further send first indication information to the access network device, and the first indication information is used to indicate an information amount of the sensing information. Correspondingly, the access network device receives the first indication information from the terminal. Further, the access network device can configure the first resource for the terminal according to the first information. In this way, the terminal reports the information amount of the sensing information to the access network device, and the access network device can select an adaptive resource to configure to the terminal.

[0094] Step 210A: The terminal sends first sensing information on the first resource, and correspondingly, the access network device receives the first sensing information on the first resource.

[0095] Specifically, the first sensing information is part or all of the sensing information. In a possible implementation, if the first sensing information is all of the sensing information, the terminal sending the first sensing information on the first resource can be replaced by the terminal sending all of the sensing information on the first resource. Exemplarily, the sensing information can include information of N sensing targets, and N is a positive integer. The first sensing information includes information of the N sensing targets.

[0096] In another possible implementation, if the first sensing information is part of the sensing information, that is, the first resource carries part of the sensing information, and another part of the sensing information is not carried on the first resource. In this way, the terminal sends the first sensing information on the first resource, and the terminal can further discard the remaining part of the sensing information other than the first sensing information, that is, the terminal discards the sensing information that fails to be carried on the first resource. Exemplarily, the sensing information can include information of N sensing targets, and N is a positive integer. The first sensing information includes information of M1 sensing targets in the N sensing targets, M1 is a positive integer, and M1 < N, and then the terminal can discard information of the remaining (N-M1) sensing targets. For the sensing information that fails to be carried on the first resource, in an optional embodiment, the terminal can further feed back part or all of the sensing information that fails to be carried on the first resource. The following step 210B specifically describes this way.

[0097] Step 210B: The terminal transmits the first sensing information on the first resource and transmits the second sensing information on the second resource. Correspondingly, the access network device receives the first sensing information on the first resource and receives the second sensing information on the second resource.

[0098] The first sensing information is a first part of the sensing information, and the second sensing information is a second part of the sensing information. The second resource is a PUSCH resource. The first sensing information and the second sensing information do not overlap. The second sensing information can be all of the other sensing information except the first sensing information in the entire sensing information to be fed back by the terminal, or the second sensing information can also be part of the other sensing information except the first sensing information in the entire sensing information to be fed back by the terminal.

[0099] Exemplarily, the sensing information can include information of N sensing targets, N being a positive integer. The first sensing information includes information of M1 sensing targets in the N sensing targets, and the second sensing information includes information of M2 sensing targets in the N sensing targets, M1 being a positive integer, M2 being a positive integer, and M1+M2≤N. The information of the M1 sensing targets in the N sensing targets can be understood as a first part of the sensing information, and the information of the M2 sensing targets in the N sensing targets can be understood as a second part of the sensing information. The M1 sensing targets and the M2 sensing targets can be different from each other, or the information of the M1 sensing targets and the information of the M2 sensing targets do not overlap or have no intersection.

[0100] It can be understood that if the first sensing information and the second sensing information constitute the entire sensing information, for example, M1+M2=N, the terminal transmits the first sensing information on the first resource and transmits the second sensing information on the second resource, which can be replaced by the terminal transmitting the entire sensing information on the first resource and the second resource; if the first sensing information and the second sensing information constitute part of the sensing information or do not constitute the entire sensing information, for example, M1+M2

[0101] In a possible implementation, the second resource can also be configured, for example, the first resource and the second resource are configured by the same information, that is, the first information indicates the first resource, and the first information also indicates the second resource, or the first resource and the second resource are configured by different information, and the first information and the second information can be carried by different fields in the same message or by two different messages. In this way, the access network device can also send the second information to the terminal, and the second information indicates the second resource, and the second resource is also used to transmit the sensing information. If the first information and the second information are carried by different fields in the same message or by two different messages, but the message types of the two messages are the same, the message can be any one of an RRC message, a medium access control (MAC) message, and a DCI. If the first information and the second information are carried by different messages, and the message types of the two messages are also different, the message can be any two of an RRC message, a MAC message, and a DCI. For example, the access network device sends a DCI to the terminal, and two fields in the DCI indicate the carrying of the first information and the second information, respectively. For another example, the access network device sends a DCI to the terminal, and the DCI includes the first information, and the access network device also sends an RRC message to the terminal, and the RRC message includes the second information. For another example, the access network device sends a DCI to the terminal, and the DCI includes the first information, and the access network device also sends a MAC message to the terminal, and the MAC message includes the second information.

[0102] In another possible implementation, the second resource can also be a resource reserved by the access network device for the terminal, and the second resource is also used to transmit the sensing information.

[0103] As shown in FIG. 3, the first resource is a PUCCH resource, and the second resource is a PUSCH resource.

[0104] In a possible implementation, if the information amount of the first sensing information is X, the information amount that the first resource can carry is Y, and the information amount of the sensing information is Z, X = min(Y, Z), that is, the information amount of the first sensing information is the smaller one of the information amount that the first resource can carry and the information amount of the sensing information. In this application, the information amount can also be replaced by the number of bits, or the number of resource blocks (RBs), or the number of resource elements (REs), and the like, which are not limited in this application.

[0105] As a possible embodiment, if X = Z and Y ≥ Z, the terminal sends the first sensing information on the first resource, and also sends all the sensing information on the first resource. Alternatively, it can be understood that if X = Z and Y ≥ Z, the terminal performs step 210A.

[0106] Further, if the access network device only configures the terminal with the first resource and does not configure the terminal with the second resource, the terminal performs step 210A. At this time, if X=Z and Y≥Z, the terminal can send the entire sensing information on the first resource, and if X=Y and YZ, the terminal sends part of the sensing information on the first resource and discards the remaining part of the sensing information.

[0107] As another possible embodiment, if the access network device configures the terminal with the first resource and the second resource, X=Y and YZ, the information amount of the second sensing information is W, and the second resource can carry an information amount Q, W=min(Q, Z-Y). That is, the information amount of the second sensing information is the smaller one of the information amount that the second resource can carry and the difference between the information amount of the sensing information and the information amount of the first sensing information. Alternatively, it can be understood that if the access network device configures the terminal with the first resource and the second resource, X=Y and YZ, the terminal performs step 210B.

[0108] The following describes specific contents carried by the first sensing information and the second sensing information in combination with the following examples 1 to 3:

[0109] Example 1: The minimum value of the Doppler frequency offset of the sensing target in the first sensing information is greater than or equal to the maximum value of the Doppler frequency offset of the sensing target in the second sensing information.

[0110] For example, the sensing information can include information of N sensing targets, N being a positive integer. Each sensing target corresponds to a Doppler frequency offset. The Doppler frequency offsets corresponding to different sensing targets can be the same or different. The terminal preferentially fills the first resource with the information of the sensing targets in descending order of the Doppler frequency offset, and then fills the second resource. Alternatively, the information of the N sensing targets preferentially fills the first resource in descending order of the Doppler frequency offset.

[0111] Since the sensing target with a larger Doppler frequency offset moves faster and the sensing target with a smaller Doppler frequency offset moves slower, the above design can realize that the information of the sensing target moving at a high speed is fed back through the first resource and the information of the sensing target moving at a low speed is fed back through the second resource.

[0112] Further, it can be understood that if the information of the N sensing targets does not fill the first resource in descending order of the Doppler frequency offset or just fills the first resource, that is, the second resource does not need to be occupied, the terminal sends the first sensing information on the first resource. At this time, the first sensing information is the entire sensing information.

[0113] Example 2: a minimum of a quantization bit width of information included in the first perception information is greater than or equal to a maximum of a quantization bit width of information included in the second perception information, or; a maximum of a quantization bit width of information included in the first perception information is less than or equal to a minimum of a quantization bit width of information included in the second perception information.

[0114] The quantization bit width can also be referred to as a quantization bit number or a quantization value, which is not limited in the present application. In addition, the quantization bit width can also be replaced by quantization accuracy or feedback accuracy, or simply referred to as accuracy.

[0115] For example, the terminal preferentially occupies the first resource in a descending order of quantization bit width, and then occupies the second resource, or preferentially occupies the first resource in a descending order of quantization bit width. Alternatively, the terminal preferentially occupies the first resource in an ascending order of quantization bit width, and then occupies the second resource, or preferentially occupies the first resource in an ascending order of quantization bit width.

[0116] With the above design, it can be selected to feed back information with a higher quantization bit width through the first resource and information with a lower quantization bit width through the second resource, or to feed back information with a lower quantization bit width through the first resource and information with a higher quantization bit width through the second resource according to actual needs.

[0117] In addition, it can be understood that if the first resource is not fully occupied or is just fully occupied in a descending order of quantization bit width (or in an ascending order of quantization bit width), that is, the second resource does not need to be occupied, the terminal sends the first perception information on the first resource, and at this time, the first perception information is all the perception information.

[0118] Example 3: a minimum of an SNR corresponding to a perception target in the first perception information is greater than or equal to a maximum of an SNR corresponding to a perception target in the second perception information, or; a maximum of an SNR corresponding to a perception target in the first perception information is less than or equal to a minimum of an SNR corresponding to a perception target in the second perception information.

[0119] For example, the perception information can include information of N perception targets, N being a positive integer. Each perception target corresponds to an SNR. The SNRs corresponding to different perception targets can be the same or different.

[0120] In a possible implementation, the terminal preferentially occupies the first resource in a descending order of SNR, and then occupies the second resource. Alternatively, the information of the N perception targets preferentially occupies the first resource in a descending order of SNR. With the above design, since the information of the perception target with a higher SNR has higher reliability, it can be selected to feed back the information of the perception target with higher reliability through the first resource and the information of the perception target with lower reliability through the second resource.

[0121] In another possible implementation, the terminal fills the first resource with the information of the sensing targets in the order of SNR from small to large, and then fills the second resource. Alternatively, the information of the N sensing targets fills the first resource in the order of SNR from small to large. With the foregoing design, for the information of the sensing targets with low SNR, the access network device can be more difficult to obtain the information of the sensing targets, and thus feeding back the information of the sensing targets with low SNR through the first resource can effectively supplement the sensing blind spot and improve the overall sensing effect, and feeding back the information of the sensing targets with high SNR through the second resource.

[0122] In addition, it can be understood that if the information of the N sensing targets fills the first resource in the order of SNR from large to small (or from small to large) or just fills the first resource, that is, the second resource is not needed, the terminal sends the first sensing information on the first resource, and at this time, the first sensing information is the entire sensing information.

[0123] Example 4: A minimum value of the RCS corresponding to a sensing target in the first sensing information is greater than or equal to a maximum value of the RCS corresponding to a sensing target in the second sensing information, or a maximum value of the RCS corresponding to a sensing target in the first sensing information is less than or equal to a minimum value of the RCS corresponding to a sensing target in the second sensing information.

[0124] Exemplarily, the sensing information can include information of N sensing targets, N being a positive integer. Each sensing target corresponds to an RCS. The RCSs corresponding to different sensing targets can be the same or different.

[0125] In a possible implementation, the terminal fills the first resource with the information of the sensing targets in the order of RCS from large to small, and then fills the second resource. Alternatively, the information of the N sensing targets fills the first resource in the order of RCS from large to small.

[0126] With the foregoing design, it can be known from the definition of the RCS that the RCS of a sensing target is proportional to the area of the sensing target. For a scenario in which the sensing target has a large area, for example, a wall surface, in the scenario, the information of the sensing target with a high RCS can be fed back through the first resource, and the information of the sensing target with a low RCS can be fed back through the second resource.

[0127] In another possible implementation, the terminal fills the first resource with the information of the sensing targets in the order of RCS from small to large, and then fills the second resource. Alternatively, the information of the N sensing targets fills the first resource in the order of RCS from small to large.

[0128] With the above design, according to the definition of the RCS, the RCS of a sensing target is proportional to the area of the sensing target. For a scenario in which the sensing target has a small area, for example, the sensing target is a UAV, etc., in this scenario, the information of the sensing target with a low RCS can be fed back through the first resource, and the information of the sensing target with a high RCS can be fed back through the second resource.

[0129] In addition, it can be understood that if the information of the N sensing targets does not fill the first resource in a descending order of RCS (or in an ascending order of RCS) or just fills the first resource, that is, the second resource does not need to be occupied, the terminal sends the first sensing information on the first resource. At this time, the first sensing information is all of the sensing information.

[0130] In summary, compared with the access network device reserving resources for the terminal and generally reserving resources according to the upper limit of resource demand, with the above method, the access network device can flexibly configure resources for the terminal to transmit the sensing information. And since the first resource is a PUCCH resource, the PUCCH resource has good reliability and coverage, which can effectively ensure the transmission reliability of the sensing information.

[0131] As shown in FIG. 4, the present application provides a communication method. The method comprises:

[0132] Step 400, the terminal determines the sensing information, and the sensing information comprises first sensing information and second sensing information.

[0133] The priority of the first sensing information is higher than the priority of the second sensing information.

[0134] Exemplarily, the sensing information comprises information of N sensing targets, N being a positive integer; the first sensing information comprises information of M1 sensing targets in the N sensing targets, and the second sensing information comprises information of M2 sensing targets in the N sensing targets, wherein M1 is a positive integer, M2 is a positive integer, and M1+M2≤N. As a possible scenario, M1≤N and M2=0, or M1=0 and M2≤N.

[0135] The following illustrates the specific content carried by the first sensing information and the second sensing information in combination with the following examples a to d. It should be noted that the following examples can be combined with each other.

[0136] Example a: the first sensing information comprises information of sensing targets with a Doppler frequency offset greater than or equal to a preset frequency offset threshold, and the second sensing information comprises information of sensing targets with a Doppler frequency offset less than the preset frequency offset threshold. Alternatively, the first sensing information comprises information of sensing targets with a Doppler frequency offset greater than a preset frequency offset threshold, and the second sensing information comprises information of sensing targets with a Doppler frequency offset equal to or less than the preset frequency offset threshold.

[0137] The preset frequency offset threshold can be predefined or configured in advance, which is not limited in the present application.

[0138] Exemplarily, the perception information can include information of N perception targets, N being a positive integer. Each perception target corresponds to a Doppler frequency offset. The Doppler frequency offsets corresponding to different perception targets can be the same or different. The terminal can determine whether the Doppler frequency offset corresponding to each perception target is greater than or equal to the preset frequency offset threshold. If the Doppler frequency offset corresponding to the perception target is greater than or equal to the preset frequency offset threshold, the information of the perception target belongs to the first perception information, otherwise, it belongs to the second perception information. If the Doppler frequency offsets corresponding to the N perception targets are all greater than or equal to the preset frequency offset threshold, the first perception information includes the information of the N perception targets, that is, the entire perception information. Similarly, if the Doppler frequency offsets corresponding to the N perception targets are all less than the preset frequency offset threshold, the second perception information includes the information of the N perception targets, that is, the entire perception information.

[0139] Since the perception target with a larger Doppler frequency offset moves faster, and the perception target with a smaller Doppler frequency offset moves slower, by using the above design, the information of the perception target moving at a high speed can be fed back through the first resource, and the information of the perception target moving at a low speed can be fed back through the second resource.

[0140] Example b: The first perception information includes information of perception targets belonging to the first perception area, and the second perception information includes information of perception targets belonging to the second perception area. The second perception area is an area outside the first perception area, or the second perception area and the first perception area do not overlap.

[0141] As shown in FIGS. 5A and 5B, the first perception area and the second perception area both belong to the coverage area of the access network device. In FIG. 5A, the second perception area and the first perception area are complementary to each other, or the second perception area and the first perception area form the coverage area of the access network device. In FIG. 5B, the second perception area and the first perception area are both subsets of the coverage area of the access network device, and the second perception area and the first perception area do not overlap.

[0142] The first perception area and the second perception area can be predefined or configured in advance, which is not limited in the present application.

[0143] For example, the access network device can configure the first perception area for the terminal, and then the terminal can determine the first perception area, and at the same time, determine the second perception area as an area outside the first perception area.

[0144] For example, the access network device can configure the terminal with the first awareness area and the second awareness area, where the first awareness area and the second awareness area can be indicated by different fields of the same message or by different messages, which is not limited in the present application.

[0145] For example, the access network device can determine the first awareness area or the first awareness area and the second awareness area according to its own location information and key awareness range information. The awareness area can also be replaced by a spatial coordinate range, such as a polar coordinate range or a three-dimensional rectangular coordinate range, which is not limited in the present application.

[0146] The above design can realize feedback of information of awareness targets belonging to different awareness areas through different resources. For example, information of awareness targets belonging to the key awareness area (i.e., the first awareness area) is fed back through the first resource, and information of awareness targets belonging to the non-key awareness area (or the secondary key awareness area) (i.e., the second awareness area) is fed back through the second resource.

[0147] Example c: The first awareness information includes information of awareness targets with SNR less than a preset SNR threshold, and the second awareness information includes information of awareness targets with SNR greater than or equal to the preset SNR threshold, or vice versa.

[0148] The preset SNR threshold can be predefined or configured in advance, which is not limited in the present application.

[0149] For example, the awareness information can include information of N awareness targets, where N is a positive integer. Each awareness target corresponds to an SNR. The SNRs corresponding to different awareness targets can be the same or different. The terminal can determine whether the SNR corresponding to each awareness target is greater than or equal to a preset SNR threshold.

[0150] In one possible scenario, if the SNR corresponding to the awareness target is greater than or equal to the preset SNR threshold, the information of the awareness target belongs to the first awareness information, otherwise, it belongs to the second awareness information. If the SNRs corresponding to the N awareness targets are all greater than or equal to the preset SNR threshold, the first awareness information includes information of the N awareness targets, i.e., the entire awareness information. Similarly, if the SNRs corresponding to the N awareness targets are all less than the preset SNR threshold, the second awareness information includes information of the N awareness targets, i.e., the entire awareness information.

[0151] With the above design, since the information of the sensing target with high SNR is more reliable, the terminal can be configured to feed back the information of the sensing target with high reliability via the first resource and the information of the sensing target with low reliability via the second resource.

[0152] In another possible scenario, if the SNR corresponding to the sensing target is greater than or equal to a preset SNR threshold, the information of the sensing target belongs to the second sensing information, otherwise, the information belongs to the first sensing information. If the SNRs corresponding to the N sensing targets are all greater than or equal to the preset SNR threshold, the second sensing information includes the information of the N sensing targets, that is, the entire sensing information. Similarly, if the SNRs corresponding to the N sensing targets are all less than the preset SNR threshold, the first sensing information includes the information of the N sensing targets, that is, the entire sensing information.

[0153] With the above design, for the information of the sensing target with low SNR, the information of the sensing target can be difficult for the access network device to obtain, and thus feeding back the information of the sensing target with low SNR via the first resource can effectively supplement the sensing blind spot and improve the overall sensing effect, and feeding back the information of the sensing target with high SNR via the second resource.

[0154] Example d: The first sensing information includes the information of the sensing target with RCS less than a preset RCS threshold, and the second sensing information includes the information of the sensing target with RCS greater than or equal to the preset RCS threshold, or; the first sensing information includes the information of the sensing target with RCS greater than or equal to a preset RCS threshold, and the second sensing information includes the information of the sensing target with RCS less than the preset RCS threshold.

[0155] The preset RCS threshold can be predefined or preconfigured, which is not limited in the present application.

[0156] For example, the sensing information can include the information of N sensing targets, and N is a positive integer. Each sensing target corresponds to an RCS. The RCSs corresponding to different sensing targets can be the same or different. The terminal can determine whether the RCS corresponding to each sensing target is greater than or equal to a preset RCS threshold.

[0157] In a possible scenario, if the RCS corresponding to the sensing target is greater than or equal to a preset RCS threshold, the information of the sensing target belongs to the first sensing information, otherwise, the information belongs to the second sensing information. If the RCSs corresponding to the N sensing targets are all greater than or equal to the preset RCS threshold, the first sensing information includes the information of the N sensing targets, that is, the entire sensing information. Similarly, if the RCSs corresponding to the N sensing targets are all less than the preset RCS threshold, the second sensing information includes the information of the N sensing targets, that is, the entire sensing information.

[0158] With the above design, it is known from the definition of the RCS that the RCS of a sensing target is proportional to the area of the sensing target. For a scenario in which the sensing target has a large area, for example, the sensing target is a wall, in the scenario, information of a sensing target with a high RCS can be fed back through the first resource, and information of a sensing target with a low RCS can be fed back through the second resource.

[0159] In another possible scenario, if the RCS corresponding to the sensing target is greater than or equal to a preset RCS threshold, the information of the sensing target belongs to the second sensing information, otherwise, the information of the sensing target belongs to the first sensing information. If the RCSs corresponding to the N sensing targets are all greater than or equal to the preset RCS threshold, the second sensing information includes the information of the N sensing targets, that is, the entire sensing information. Similarly, if the RCSs corresponding to the N sensing targets are all less than the preset RCS threshold, the first sensing information includes the information of the N sensing targets, that is, the entire sensing information.

[0160] With the above design, it is known from the definition of the RCS that the RCS of a sensing target is proportional to the area of the sensing target. For a scenario in which the sensing target has a small area, for example, the sensing target is a UAV, in the scenario, information of a sensing target with a low RCS can be fed back through the first resource, and information of a sensing target with a high RCS can be fed back through the second resource.

[0161] Example e: The first sensing information includes information with a first quantization bit width, and the second sensing information includes information with a second quantization bit width, the first quantization bit width being different from the second quantization bit width.

[0162] The first quantization bit width and the second quantization bit width can be predefined or preconfigured, which is not limited in the present application. The quantization bit width can also be referred to as a quantization bit number or a quantization value, which is not limited in the present application. In addition, the quantization bit width can also be replaced by quantization accuracy or feedback accuracy, or simply referred to as accuracy. For example, the first quantization bit width is 8 bits, and the second quantization bit width is 32 bits. Or, the first quantization bit width is 8 bits, and the second quantization bit width is 16 bits.

[0163] In a possible implementation, information of sensing targets with different moving speeds (or Doppler frequency offsets) can use different quantization bit widths. For example, information of a sensing target with a moving speed of 50 km / h to 70 km / h is quantized by using 8 bits, and information of a sensing target with a moving speed of 2 km / h to 4 km / h is quantized by using 32 bits.

[0164] In another possible implementation, the information of the perceived target with different SNR (or RCS) can be quantized with different bit widths. For example, in combination with the above example d, the information of the perceived target with RCS greater than or equal to a preset RCS threshold is quantized with 8 bits, and the information of the perceived target with RCS less than the preset RCS threshold is quantized with 32 bits.

[0165] In yet another possible implementation, the information of the perceived target belonging to different perception areas can be quantized with different bit widths. For example, in combination with the above example b, the information of the perceived target belonging to the first perception area is quantized with 32 bits, and the information of the perceived target belonging to the second perception area is quantized with 8 bits.

[0166] With the above design, it can be achieved that the information quantized with a higher bit width is fed back through the first resource, or the information quantized with a lower bit width is fed back through the first resource, or the information quantized with a lower bit width is fed back through the first resource, or the information quantized with a higher bit width is fed back through the second resource, according to actual needs.

[0167] At step 410, the terminal sends the first perception information on the first resource and the second perception information on the second resource. The first resource is a physical uplink control channel resource, and the second resource is a physical uplink shared channel resource. Correspondingly, the access network device receives the first perception information on the first resource and the second perception information on the second resource.

[0168] The relevant description of the first resource and the second resource can refer to the relevant description in the above steps 200 and 210B, which will not be repeated here.

[0169] In combination with the above examples a to d, the content included (or carried) by the above first perception information can also be referred to as the information expected to be included (or carried) by the first perception information. The content included (or carried) by the above second perception information can also be referred to as the information expected to be included (or carried) by the second perception information.

[0170] It can be understood that the information actually included by the first perception information is also related to the amount of information that can be carried by the first resource. If the amount of information expected to be included by the first perception information is less than or equal to the amount of information that can be carried by the first resource, the information actually included by the first perception information is the same as the information expected to be included by the first perception information. If the amount of information expected to be included by the first perception information is greater than the amount of information that can be carried by the first resource, the information actually included by the first perception information is less than the information expected to be included by the first perception information, or in other words, the information actually included by the first perception information is a subset of the information expected to be included by the first perception information. At this time, the part of the perception information that fails to be sent can be discarded. Similarly, the information actually included by the second perception information is also related to the amount of information that can be carried by the second resource, which will not be repeated here.

[0171] By using the above method, the terminal determines the first sensing information and the second sensing information, and the priorities of the first sensing information and the second sensing information are different. Further, the terminal transmits the first sensing information with a higher first resource transmission priority by using the first resource, and transmits the second sensing information with a lower second resource transmission priority by using the second resource. In addition, the access network device can flexibly configure the resource for the terminal to transmit the sensing information, where the first resource is a PUCCH resource, and the PUCCH resource has better reliability and coverage, and can effectively guarantee the transmission reliability of the sensing information.

[0172] As shown in FIG. 6, the present application provides a communication method. The method comprises:

[0173] Step 600: The access network device determines a transmission mode of the sensing information.

[0174] The transmission mode can include a first mode and a second mode, and the transmission mode can also be referred to as a reporting mode or a feedback mode, which is not limited in the present application.

[0175] The first mode means that the terminal does not need to report the information amount of the sensing information, and the access network device directly configures a resource (for example, a first resource, or a first resource and a second resource) for the terminal to transmit the sensing information. At this time, the terminal directly reports the sensing information according to the resource configured by the access network device for the terminal. As can be seen, the terminal can send uplink information (i.e., sensing information) to the access network device only once, and therefore, the first mode can also be referred to as one-step reporting mode. The first mode can generally be applied to a scenario with high latency requirement, or a scenario with high-speed terminal movement.

[0176] The second mode means that the terminal first informs the access network device of the information amount of the sensing information, and the access network device can refer to the information amount of the sensing information to configure a resource (for example, a first resource, or a first resource and a second resource) for the terminal to transmit the sensing information. Then, the terminal reports the sensing information according to the resource configured by the access network device for the terminal. As can be seen, the terminal needs to send uplink information (i.e., the information amount of the sensing information and the sensing information) to the access network device at least twice, and therefore, the second mode can also be referred to as two-step reporting mode. The second mode can generally be applied to a scenario with low latency requirement, or a scenario with low-speed terminal movement or terminal static state.

[0177] The information amount of the sensing information can be understood as the information amount of the sensing information to be sent by the terminal.

[0178] In step 610A, if the access network device determines that the transmission mode of the sensing information is the first mode, the access network device sends third indication information and first information to the terminal, the third indication information indicates that the transmission mode of the sensing information is the first mode, or the access network device sends the first information to the terminal. The first information indicates the first resource, and the first resource is used for transmitting the sensing information, and the first resource is a PUCCH resource.

[0179] In a possible implementation, the access network device can display the notification of the terminal transmitting the sensing information in the first mode. For example, the access network device sends the third indication information to the terminal. At this time, the terminal determines to transmit the sensing information in the first mode according to the third indication information, and does not notify the access network device of the information amount of the sensing information.

[0180] In another possible implementation, the access network device can implicitly notify the terminal to transmit the sensing information in the first mode. For example, the access network device only sends the first information to the terminal. At this time, the terminal determines that only the first information is received, and no other information for displaying the indication of the transmission mode is received, and then determines to transmit the sensing information in the first mode, and does not notify the access network device of the information amount of the sensing information.

[0181] In addition, it can be understood that the access network device can also send the second information to the terminal, and the first information and the second information can be carried in different fields in the same message or carried in two different messages. For details, reference can be made to the embodiments shown in FIG. 2 or FIG. 4, which will not be described here.

[0182] Further, the terminal can transmit the sensing information according to the received first information or the first information and the second information. For details, reference can be made to the embodiments shown in FIG. 2 or FIG. 4, which will not be described here.

[0183] In step 610B, if the access network device determines that the transmission mode of the sensing information is the second mode, the access network device sends second indication information to the terminal. Correspondingly, the terminal receives the second indication information from the access network device.

[0184] The second indication information is used for requesting the information amount of the sensing information, or the second indication information is used for indicating the terminal to transmit the sensing information in the second mode.

[0185] In step 620B, the terminal sends first indication information to the access network device, and the first indication information is used for indicating the information amount of the sensing information. Correspondingly, the access network device receives the first indication information from the terminal.

[0186] In step 630B, the access network device sends first information to the terminal, and the first information indicates the first resource, and the first resource is used for transmitting the sensing information, and the first resource is a PUCCH resource.

[0187] Exemplarily, the access network device can determine the first information according to the first indication information. In addition, it can be understood that the access network device can also determine the second information according to the first indication information, and the access network device can also send the second information to the terminal. The first information and the second information can be carried by different fields in the same message, or carried by two different messages. For details, reference can be made to the embodiments shown in FIG. 2 or FIG. 4, and details are not described herein again. Since the access network device can determine the first resource or the first resource and the second resource according to the information amount of the sensing information, the resources can be more reasonably configured for the terminal, and the resource overhead of transmitting the sensing information can be effectively saved.

[0188] Further, the terminal can transmit the sensing information according to the received first information or the first information and the second information. For details, reference can be made to the embodiments shown in FIG. 2 or FIG. 4, and details are not described herein again.

[0189] By using the above method, the access network device can determine the transmission mode of the terminal for transmitting the sensing information in combination with the current specific scene,

[0190] In addition, the above various embodiments can also be applied to the scene of reporting the sensing information by a plurality of terminals. The following takes the scene of reporting the sensing information by M terminals as an example for description, wherein M is an integer greater than or equal to 2. When the access network device configures PUCCH and PUSCH for the M terminals, the following constraint relationship needs to be met:

[0191] The access network device configures PUCCH time division multiplexing for the M terminals, or configures PUCCH frequency division multiplexing for the M terminals, or configures PUCCH space division multiplexing for the M terminals, or configures PUCCH code division multiplexing for the M terminals.

[0192] The access network device configures PUSCH code division multiplexing for the M terminals, or configures PUSCH space division multiplexing for the M terminals.

[0193] For example, if M=2, the two terminals are UE1 and UE2 respectively. The access network device configures PUCCH1 and PUSCH1 for UE1, and configures PUCCH2 and PUSCH2 for UE2.

[0194] In FIG. 7A, PUCCH1 and PUCCH2 are frequency division multiplexed, and PUSCH1 and PUSCH2 are code division or space division multiplexed.

[0195] In FIG. 7B, PUCCH1 and PUCCH2 are code division or space division multiplexed, and PUSCH1 and PUSCH2 are code division or space division multiplexed.

[0196] In addition, in each of the above embodiments, the first awareness information can also be referred to as private information of the terminal, and the second awareness information can also be referred to as public information of the terminal.

[0197] For example, the access network device can receive the private information and the public information corresponding to the M terminals respectively, save the private information corresponding to the M terminals respectively to the private information set, and save the public information corresponding to the M terminals respectively to the public information set.

[0198] It can be understood that, in order to implement the functions in the above embodiments, each communication device (for example, a terminal or an access network device, etc.) includes a hardware structure and / or a software module for performing each function. It should be easily realized by those skilled in the art that, in combination with the units and method steps of each example described in the embodiments disclosed in the present application, the present application can be realized in the form of hardware or a combination of hardware and computer software. Whether a certain function is implemented in hardware or computer software driven hardware depends on the specific application scenario and design constraints of the technical solution.

[0199] FIGS. 8 and 9 are structural schematic diagrams of possible communication devices provided by the embodiments of the present application. These communication devices can be used to implement the functions of each communication device in the above method embodiments, and thus can also achieve the beneficial effects possessed by the above method embodiments.

[0200] As shown in FIG. 8, the communication device 800 includes a processing unit 810 and a transceiver unit 820.

[0201] When the communication device 800 is used to implement the functions of the terminal in the above method embodiments, the processing unit 810 can be configured to:

[0202] The processing unit 810 invokes the transceiver unit 820 to perform the following steps: receiving first information, the first information indicating a first resource, the first resource being a physical uplink control channel resource; the first resource being used for transmitting awareness information; sending first awareness information on the first resource, the first awareness information being part or all of the awareness information; or sending first awareness information on the first resource and sending second awareness information on a second resource, the first awareness information being a first part of the awareness information, the second awareness information being a second part of the awareness information, the second resource being a physical uplink shared channel resource, and the second resource being used for transmitting the awareness information.

[0203] For some possible designs and beneficial effects of the communication device 800, reference can be made to the related content in the above embodiment shown in FIG. 2, and details are not repeated.

[0204] In a possible design, the transceiver 820 is configured to, before receiving the first information, send first indication information to the access network device, where the first indication information is used to indicate an information amount of the awareness information.

[0205] When the communication apparatus 800 is configured to implement the functions of the access network device in the above method embodiments, the processor 810 is configured to:

[0206] The transceiver 820 is configured to, under the control of the processor 810, perform the following steps: sending first information, where the first information indicates a first resource, the first resource is a physical uplink control channel resource, and the first resource is used to transmit awareness information; receiving first awareness information on the first resource, where the first awareness information is part or all of the awareness information; or receiving first awareness information on the first resource and receiving second awareness information on a second resource, where the first awareness information is a first part of the awareness information, the second awareness information is a second part of the awareness information, and the second resource is a physical uplink shared channel resource and is used to transmit the awareness information.

[0207] Some possible designs and benefits of the communication apparatus 800 can refer to the related content in the above embodiment shown in FIG. 3, and details are not described herein.

[0208] In a possible design, the transceiver 820 is configured to, before sending the first information, receive indication information, where the indication information is used to indicate an information amount of the awareness information.

[0209] When the communication apparatus 800 is configured to implement the functions of the terminal in the above method embodiments, the processor 810 is configured to:

[0210] The processor 810 is configured to determine awareness information, where the awareness information includes first awareness information and second awareness information, and a priority of the first awareness information is higher than a priority of the second awareness information; and the transceiver 820 is configured to send the first awareness information on a first resource and send the second awareness information on a second resource, where the first resource is a physical uplink control channel resource, and the second resource is a physical uplink shared channel resource.

[0211] Some possible designs and benefits of the communication apparatus 800 can refer to the related content in the above embodiment shown in FIG. 4, and details are not described herein.

[0212] When the communication apparatus 800 is configured to implement the functions of the access network device in the above method embodiments, the processor 810 is configured to:

[0213] The processing unit 810 invokes the transceiving unit 820 to perform receiving the first sensing information on a first resource and receiving the second sensing information on a second resource, the first resource being a physical uplink control channel resource, the second resource being a physical uplink shared channel resource, the first sensing information having a higher priority than the second sensing information.

[0214] Some possible designs and advantages of the communication apparatus 800 can refer to the related content of the above-mentioned embodiment shown in FIG. 4, and will not be repeated here.

[0215] The above-mentioned processing unit 810 and transceiving unit 820 can refer to the related description in the above-mentioned method embodiments for more detailed description, which will not be repeated here.

[0216] As shown in FIG. 9, the communication apparatus 900 includes a processor 910 and an interface circuit 920. The processor 910 and the interface circuit 920 are coupled to each other. It can be understood that the interface circuit 920 can be a transceiver or an input / output interface. Optionally, the communication apparatus 900 can further include a memory 930 for storing instructions executed by the processor 910 or storing input data required by the processor 910 to run instructions or storing data generated after the processor 910 runs instructions.

[0217] When the communication apparatus 900 is used to implement the above-mentioned method embodiments, the processor 910 is configured to implement the functions of the above-mentioned processing unit 810, and the interface circuit 920 is configured to implement the functions of the above-mentioned transceiving unit 820.

[0218] It can be understood that the processor in the embodiments of the present application can be a central processing unit (CPU), and can also be other general-purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), field programmable gate arrays (FPGAs) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof. The general-purpose processor can be a microprocessor or any conventional processor.

[0219] In the present application, another example of the apparatus is provided, the notification apparatus comprising at least one processor and at least one memory coupled to the at least one processor, the at least one memory for storing instructions which when executed by the at least one processor cause the communication apparatus to perform the method in the above embodiments. Taking the communication apparatus comprising one processor and one memory as an example, as shown in FIG. 9, the communication apparatus 900 comprises one processor 910 and one memory 930. The processor 910 and the memory 930 are coupled, and the memory 930 stores instructions, when the instructions stored in the memory 930 are executed by the processor 910, the communication apparatus 900 performs the method performed by each communication apparatus in the above embodiments.

[0220] The method steps in the embodiments of the present application can be implemented in hardware, or in software instructions executable by a processor. The software instructions can be composed of corresponding software modules, and the software modules can be stored in a random access memory, a flash memory, a read-only memory, a programmable read-only memory, an electrically programmable read-only memory, a register, a hard disk, a mobile hard disk, a CD-ROM, or any other form of storage medium well known in the art. An exemplary storage medium is coupled to the processor, so that the processor can read information from, and write information to, the storage medium. The storage medium can also be an integral part of the processor. The processor and the storage medium can be located in an ASIC. In addition, the ASIC can be located in the terminal or the access network device described above. The processor and the storage medium can also exist as discrete components in the terminal or the access network device.

[0221] In the above embodiments, all or part of the embodiments can be implemented by software, hardware, firmware or any combination thereof. When implemented by software, all or part of the embodiments can be implemented in the form of a computer program product. The computer program product includes one or more computer programs or instructions. When the computer programs or instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments are performed. The computer can be a general purpose computer, a special purpose computer, a computer network, a network device, a user equipment or other programmable apparatus. The computer programs or instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer programs or instructions can be transferred from one website site, computer, server or data center to another website site, computer, server or data center through wired or wireless manner. The computer readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server, data center and the like integrated with one or more available media. The available media can be a magnetic medium, such as a floppy disk, a hard disk, a magnetic tape; or an optical medium, such as a digital video disc; or a semiconductor medium, such as a solid state disk. The computer readable storage medium can be a volatile or non-volatile storage medium, or can include both volatile and non-volatile storage media.

[0222] In various embodiments of 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 in different embodiments can be combined to form new embodiments according to their inherent logical relationship.

[0223] In the present application, "at least one" means one or more, and "multiple" means two or more. The association relationship between the associated objects is described, which means that there can be three kinds of relationships, for example, A and / or B, which can represent the following cases: A exists alone, A and B exist together, and B exists alone, where A and B can be singular or plural. In the literal description of the present application, the character " / ", generally represents that the associated objects before and after are in an "or" relationship; in the formula of the present application, the character " / ", represents that the associated objects before and after are in a "division" relationship. "Including at least one of A, B and C" can mean: including A; including B; including C; including A and B; including A and C; including B and C; including A, B and C.

[0224] It can be understood that various numbers involved in the embodiments of the present application are only distinguished for convenience of description, and are not used to limit the scope of the embodiments of the present application. The size of the serial number of the above processes does not mean the execution order, and the execution order of the processes should be determined according to its function and inherent logic.

Claims

1. A communication method, characterized in that, The method includes: Receive first information, the first information indicating a first resource, the first resource being a physical uplink control channel resource; the first resource is used to transmit sensing information; Send first sensing information on the first resource, wherein the first sensing information is part or all of the sensing information; Alternatively, first sensing information is transmitted on the first resource, and second sensing information is transmitted on the second resource, wherein the first sensing information is a first part of the sensing information, the second sensing information is a second part of the sensing information, the second resource is a physical uplink shared channel resource, and the second resource is used to transmit the sensing information.

2. A communication method, characterized in that, The method includes: Send first information, the first information indicating a first resource, the first resource being a physical uplink control channel resource; the first resource is used to transmit sensing information; Receive first sensing information on the first resource, wherein the first sensing information is part or all of the sensing information; Alternatively, first sensing information is received on the first resource, and second sensing information is received on the second resource, wherein the first sensing information is a first part of the sensing information, the second sensing information is a second part of the sensing information, the second resource is a physical uplink shared channel resource, and the second resource is used to transmit the sensing information.

3. The method as described in claim 1 or 2, characterized in that, The sensing information includes information about N sensing targets, where N is a positive integer; The first perception information includes information on M1 of the N perception targets, and the second perception information includes information on M2 of the N perception targets, where M1 is a positive integer, M2 is a positive integer, and M1+M2≤N.

4. The method according to any one of claims 1-3, characterized in that, The information content of the first perceived information is X, the information content that the first resource can carry is Y, the information content of the perceived information is Z, and X = min(Y, Z).

5. The method as described in claim 4, characterized in that, If X = Y and Y < Z, the information content of the second perceived information is W, and the information content that the second resource can carry is Q, where W = min(Q, ZY).

6. The method according to any one of claims 1-5, characterized in that, The minimum value of the Doppler frequency offset of the perceived target in the first sensing information is greater than or equal to the maximum value of the Doppler frequency offset of the perceived target in the second sensing information.

7. The method according to any one of claims 1-6, characterized in that, The minimum quantization bit width of the information included in the first perceived information is greater than or equal to the maximum quantization bit width of the information included in the second perceived information, or; The maximum value of the quantization bit width of the information included in the first sensing information is less than or equal to the minimum value of the quantization bit width of the information included in the second sensing information.

8. The method according to any one of claims 1-7, characterized in that, The minimum signal-to-noise ratio (SNR) corresponding to the perceived target in the first sensing information is greater than or equal to the maximum SNR corresponding to the perceived target in the second sensing information, or; The maximum value of the SNR corresponding to the perceived target in the first perception information is less than or equal to the minimum value of the SNR corresponding to the perceived target in the second perception information.

9. The method according to any one of claims 1-8, characterized in that, The minimum value of the radar cross section (RCS) corresponding to the perceived target in the first sensing information is greater than or equal to the maximum value of the RCS corresponding to the perceived target in the second sensing information, or; The maximum value of the RCS corresponding to the perceived target in the first perception information is less than or equal to the minimum value of the RCS corresponding to the perceived target in the second perception information.

10. The method according to any one of claims 1, 3-9, characterized in that, Also includes: Before receiving the first information, a first indication information is sent, which is used to indicate the amount of information in the perceived information.

11. The method according to any one of claims 2-9, characterized in that, Also includes: Before sending the first information, an indication information is received, which is used to indicate the amount of information in the perceived information.

12. A communication method, characterized in that, The method includes: Determine the sensing information, which includes first sensing information and second sensing information; the first sensing information has a higher priority than the second sensing information. The first sensing information is transmitted on a first resource, and the second sensing information is transmitted on a second resource, wherein the first resource is a physical uplink control channel resource and the second resource is a physical uplink shared channel resource.

13. A communication method, characterized in that, The method includes: First sensing information is received on a first resource and second sensing information is received on a second resource. The first resource is a physical uplink control channel resource and the second resource is a physical uplink shared channel resource. The priority of the first sensing information is higher than the priority of the second sensing information.

14. The method as described in claim 12 or 13, characterized in that, The perception information includes information on N perception targets, where N is a positive integer; the first perception information includes information on M1 perception targets out of the N perception targets, and the second perception information includes information on M2 perception targets out of the N perception targets, where M1 is a positive integer, M2 is a positive integer, and M1+M2≤N.

15. The method according to any one of claims 12-14, characterized in that, The first sensing information includes information about sensing targets whose Doppler frequency offset is greater than or equal to a preset frequency offset threshold; The second sensing information includes information about sensing targets whose Doppler frequency offset is less than the preset frequency offset threshold.

16. The method according to any one of claims 12-15, characterized in that, The first sensed information includes information whose quantization bit width is a first value; The second sensing information includes information whose quantization bit width is a second value; The first value is different from the second value.

17. The method according to any one of claims 12-15, characterized in that, The first sensing information includes information about sensing targets belonging to the first sensing area; The second sensing information includes information about the sensing target belonging to the second sensing area; The second sensing region is a region outside the first sensing region or the second sensing region does not overlap with the first sensing region.

18. The method according to any one of claims 12-17, characterized in that, The first sensing information includes information about sensing targets whose SNR is less than a preset SNR threshold, and the second sensing information includes information about sensing targets whose SNR is greater than or equal to the preset SNR threshold, or; The first perception information includes information about perception targets whose SNR is greater than or equal to a preset SNR threshold, and the second perception information includes information about perception targets whose SNR is less than the preset SNR threshold.

19. The method according to any one of claims 12-18, characterized in that, The first sensing information includes information about sensing targets whose RCS is less than a preset RCS threshold, and the second sensing information includes information about sensing targets whose RCS is greater than or equal to the preset RCS threshold, or; The first sensing information includes information about sensing targets whose RCS is greater than or equal to a preset RCS threshold, and the second sensing information includes information about sensing targets whose RCS is less than the preset RCS threshold.

20. A communication device, characterized in that, Includes units or modules for performing the method as described in any one of claims 1 to 19.

21. A communication device, characterized in that, The communication device includes at least one processor; the at least one processor is configured to perform the method as described in any one of claims 1 to 19.

22. A computer-readable storage medium, characterized in that, The computer-readable storage medium includes a program that, when run on the device, causes the device to perform the method as described in any one of claims 1 to 19.

23. A computer program product, characterized in that, The computer program product includes a program or instructions that, when executed by a device, cause the device to perform the method as described in any one of claims 1 to 19.

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