WO2024061268A1

WO2024061268A1 - Resource configuration method and communication apparatus

Info

Publication number: WO2024061268A1
Application number: PCT/CN2023/120045
Authority: WO
Inventors: 王明哲; 黄甦
Original assignee: 华为技术有限公司
Priority date: 2022-09-24
Filing date: 2023-09-20
Publication date: 2024-03-28
Also published as: CN117812709A

Abstract

Provided in the present application are a resource configuration method and a communication apparatus. The method comprises: a first communication apparatus determines M symbols in a first time unit, the first X symbols amongst the M symbols being used for transmitting an automatic gain control symbol, the M symbols being further used for transmitting N sidelink positioning reference signals, the N sidelink positioning reference signals at least comprising a first sidelink positioning reference signal and a second sidelink positioning reference signal, the first sidelink positioning reference signal occupying a first symbol set, the second sidelink positioning reference signal occupying a second symbol set, M≥2, X≥1, and N≥2; and the first communication apparatus sends on the M symbols the automatic gain control symbol and the N sidelink positioning reference signals. By means of said technical solution, the present application can complete the transmission of sidelink positioning reference signals with relatively low overhead of automatic gain control symbols.

Description

Resource allocation method and communication device

This application claims priority to the Chinese patent application filed with the State Intellectual Property Office of China on September 24, 2022, with application number 202211168766.1 and application name "Resource Allocation Method and Communication Device", the entire content of which is incorporated herein by reference. Applying.

Technical field

The present application relates to the field of communication technology, and more specifically, to a resource configuration method and a communication device.

Background technique

In long term evolution (LTE) and fifth generation (5G) communication systems, the positioning function is implemented based on the location management function (LMF). For example, in the downlink scenario, the terminal device measures the positioning reference signal (PRS) sent by the network device and reports the measured value of the PRS-reference signal received power (RSRP) to the LMF. The LMF determines the location of the terminal device based on the measured value.

Currently, the 3rd generation partnership project (3GPP) protocol has defined the resource allocation method of PRS, but has not discussed the resource allocation of side-link (SL)-PRS in detail. Therefore, how to reasonably configure the resources of SL-PRS is an urgent problem that needs to be solved.

Summary of the invention

The present application provides a resource configuration method and a communication device, which can complete the transmission of sidelink positioning reference signals with a lower overhead of automatic gain control symbols.

In a first aspect, a resource configuration method is provided, including: the first communication device determines M symbols within the first time unit, the first X symbols of the M symbols are used to transmit automatic gain control symbols, and the M symbols are also Used to transmit N sidelink positioning reference signals, the N sidelink positioning reference signals include at least a first sidelink positioning reference signal and a second sidelink positioning reference signal, the first sidelink The positioning reference signal and the second sidelink positioning reference signal occupy different symbol sets, M≥2, X≥1, N≥2; the first communication device sends automatic gain control symbols and N sidelinks on M symbols. Link positioning reference signal.

It should be understood that the above automatic gain control symbol may also be replaced by other signals with the same function but different names, and the present application is not limited to the expression of automatic gain control symbol.

Specifically, the relationship X≥1, N≥2 can indicate that the number of automatic gain control symbols is less than the number of sidelink positioning reference signals.

It should be understood that the automatic gain control symbol supported by this application can be determined based on the first sidelink positioning reference signal or the second sidelink positioning reference signal, that is, it can be the first symbol of the first sidelink positioning reference signal. A copy or a copy of the first symbol of the second sidelink positioning reference signal, or determined based on the above two symbols, for example, an average of the above two symbols.

Through the above technical solution, the present application can realize the transmission of the sidelink positioning reference signal with a lower overhead of automatic gain control symbols.

In addition, by reducing the overhead of automatic gain control symbols in the time domain resources used to transmit sidelink positioning reference signals, this application can also reduce the reception complexity of the receiving end.

In combination with the first aspect, in certain implementations of the first aspect, the M symbols are M consecutive symbols.

In this way, the transmission of automatic gain control symbols and multiple sidelink positioning reference signals can be completed on M consecutive symbols.

In conjunction with the first aspect, in some implementations of the first aspect, the first time unit includes any of the following: a time slot, a subframe, or a system frame.

Specifically, if the first time unit includes a time slot, it may include one or more time slots. If the first time unit includes subframes, it may include one or more subframes. If the first time unit includes a system frame, it may include one or more system frames.

In addition, if the first time unit includes multiple time slots/subframes/system frames, this application supports time domain resource scheduling across time slots/subframes/system frames.

With reference to the first aspect, in some implementations of the first aspect, the first communication device sends automatic gain control symbols and N sidelink positioning reference signals on M symbols, including: the first communication device sends K The antenna sends N sidelink positioning reference signals, K≥2.

This application supports sending multiple sidelink positioning reference signals through multiple transmit antennas. At the same time, when multiple sidelink positioning reference signals are transmitted through multiple transmitting antennas, a first mapping rule between multiple transmitting antennas and multiple sidelink positioning reference signals may be established. In this way, the present application can not only improve the measurement capability of the sidelink positioning angle of the communication device, but also reduce the overhead and complexity when measuring the sidelink positioning reference signal.

Specifically, when the first communication device sends multiple sidelink positioning reference signals to the second communication device according to the above-mentioned first mapping rule, different sidelink positioning reference signals correspond to different transmitting antennas, which can make The second communication device receives multiple sidelink positioning reference signals on multiple transmitting antennas, can determine angles between the multiple sidelink positioning reference signals, and ultimately completes sidelink positioning between devices.

In combination with the first aspect, in certain implementations of the first aspect, the first communication device sends an automatic gain control symbol and N sidelink positioning reference signals on M symbols, including: the first communication device sends N sidelink positioning reference signals through L transmit beams, L≥2.

The present application supports sending multiple sidelink positioning reference signals through multiple transmission beams. When sending multiple sidelink positioning reference signals through multiple transmission beams, a second mapping rule between multiple transmission beams and multiple sidelink positioning reference signals can be established. In this way, the present application can not only improve the measurement capability of the sidelink positioning angle of the communication device, but also reduce the overhead and complexity when measuring the sidelink positioning reference signal.

Specifically, when the first communication device sends multiple sidelink positioning reference signals to the second communication device according to the above-mentioned first mapping rule, different sidelink positioning reference signals correspond to different transmission beams, which can make The second communication device receives multiple sidelink positioning reference signals on multiple transmit beams, can determine angles between the multiple sidelink positioning reference signals, and ultimately completes sidelink positioning between devices.

Combined with the first aspect, in some implementations of the first aspect, any one of the following is satisfied between the first symbol set and the second symbol set: the second symbol is not included between any two symbols in the first symbol set one or more symbols of the set; or, one or more symbols of the second set of symbols are included between at least two symbols in the first set of symbols.

With reference to the first aspect, in some implementations of the first aspect, the method further includes: the first communication device receiving configuration information, the configuration information being used to configure the M symbols.

In this way, the present application supports the first communication device to configure M symbols according to the received configuration information, thereby completing the transmission of the sidelink positioning reference signal.

In conjunction with the first aspect, in some implementations of the first aspect, the configuration information is also used to configure a first mapping rule between K transmit antennas and N sidelink positioning reference signals; or, the configuration information It is also used to configure a second mapping rule between L transmit beams and N sidelink positioning reference signals.

With reference to the first aspect, in some implementations of the first aspect, the method further includes: the first communication device receiving indication information, the indication information being used to indicate the relationship between K transmitting antennas and N sidelink positioning reference signals. or, the indication information is used to indicate a second mapping rule between L transmit beams and N sidelink positioning reference signals.

Through the above technical solution, this application supports the first communication device to obtain the mapping rule between the transmitting antenna or transmitting beam and the sidelink positioning reference signal, and the first communication device determines the appropriate transmitting beam or transmitting antenna based on the obtained mapping rule. to transmit the sidelink positioning reference signal to complete the sidelink positioning process between devices.

Among other things, this increases the flexibility of instructions.

With reference to the first aspect, in some implementations of the first aspect, the first communication device receives the indication information, including: the first communication device receives the first information, the first information includes the indication information, and the first information is used to configure Sidelink positioning parameters of the first communication device; or, the first communication device receives sidelink control information, the sidelink control information includes the indication information, and the sidelink control information is used to schedule the sidelink Shared channel, the sidelink shared channel is used for sidelink data transmission; or, the first communication device receives the second information, the second information includes the indication information, and the second information is used to configure the sidelink positioning reporting information .

Specifically, the first communication device can obtain the indication information through multiple ways in the sidelink positioning process, which facilitates the first communication device to determine the appropriate transmitting beam or transmitting antenna for the sidelink according to the above-mentioned mapping rules. Transmission of positioning reference signals to complete the sidelink positioning process between devices.

In connection with the first aspect, in some implementations of the first aspect, the first information is also used to instruct the first communication device to enable the antenna port switching capability.

In this way, the first communication device can send multiple sidelink positioning reference signals through multiple antenna ports, and then can complete the sidelink positioning process between devices.

In conjunction with the first aspect, in some implementations of the first aspect, the second information is also used to indicate at least one of the following: whether a different transmit beam or transmit antenna is required to transmit the sidelink positioning reference signal, or whether an available Transmit beam or transmit antenna.

In this way, the first communication device can transmit multiple sidelink positioning reference signals through multiple available transmitting beams or transmitting antennas, and then can complete the sidelink positioning process between devices.

In conjunction with the first aspect, in some implementations of the first aspect, the sidelink control information is also used to indicate the transmission mode of the sidelink positioning reference signal.

In a second aspect, a communication device is provided, including: a processing unit, configured to determine M symbols within the first time unit, the first X symbols of the M symbols are used to transmit automatic gain control symbols, and the M symbols are also used For transmitting N sidelink positioning reference signals, the N sidelink positioning reference signals at least include a first sidelink positioning reference signal and a second sidelink positioning reference signal, and the first sidelink positioning reference signal The reference signal and the second sidelink positioning reference signal occupy different symbol sets, M≥2, X≥1, N≥2; the transceiver unit is used to send automatic gain control symbols and N sidelinks on M symbols. Link positioning reference signal.

Combined with the second aspect, in some implementations of the second aspect, the M symbols are M consecutive symbols.

Combined with the second aspect, in some implementations of the second aspect, the first time unit includes any of the following: a time slot, a subframe, or a system frame.

Combined with the second aspect, in some implementations of the second aspect, the transceiver unit is also configured to transmit N sidelink positioning reference signals through K transmitting antennas, K≥2.

Combined with the second aspect, in some implementations of the second aspect, the transceiver unit is also configured to transmit N sidelink positioning reference signals through L transmitting antennas, L≥2.

Combined with the second aspect, in some implementations of the second aspect, the second symbol set includes at least one second symbol, and any one of the following is satisfied between the first symbol set and the second symbol set: One or more symbols of the second symbol set are not included between any two symbols; or, one or more symbols of the second symbol set are included between at least two symbols in the first symbol set.

Combined with the second aspect, in some implementations of the second aspect, the transceiver unit is also configured to receive configuration information, and the configuration information is used to configure the M symbols.

Combined with the second aspect, in some implementations of the second aspect, the configuration information is also used to configure the first mapping rule between K transmit antennas and N sidelink positioning reference signals; or, the configuration information It is also used to configure a second mapping rule between L transmit beams and N sidelink positioning reference signals.

In conjunction with the second aspect, in some implementations of the second aspect, the transceiver unit is further configured to receive indication information, the indication information being used to indicate the third link between the K transmitting antennas and the N sidelink positioning reference signals. A mapping rule; or, the indication information is used to indicate a second mapping rule between L transmit beams and N sidelink positioning reference signals.

In combination with the second aspect, in certain implementations of the second aspect, the transceiver unit is further used to: receive first information, the first information includes the indication information, and the first information is used to configure the sidelink positioning parameters of the communication device; or, receive sidelink control information, the sidelink control information includes the indication information, the sidelink control information is used to schedule a sidelink shared channel, and the sidelink shared channel is used for sidelink data transmission; or, receive second information, the second information includes the indication information, and the second information is used to configure sidelink positioning reporting information.

Combined with the second aspect, in some implementations of the second aspect, the first information is also used to instruct the first communication device to enable the antenna port switching capability.

In combination with the second aspect, in certain implementations of the second aspect, the second information is also used to indicate at least one of the following: whether a different transmit beam or transmit antenna is required to transmit the sidelink positioning reference signal, or an available transmit beam or transmit antenna.

In conjunction with the second aspect, in some implementations of the second aspect, the sidelink control information is also used to indicate the transmission mode of the sidelink positioning reference signal.

In a third aspect, a communication device is provided, including a processor. The processor is configured to cause the communication device to execute the first aspect and any possibility of the first aspect by executing a computer program or instruction, or through a logic circuit. Any of the implementation methods method described.

In conjunction with the third aspect, in some implementations of the third aspect, the communication device further includes a memory, the memory being used to store the computer program or instructions.

In conjunction with the third aspect, in some implementations of the third aspect, the communication device further includes a communication interface, the communication interface being used for inputting and/or outputting signals.

In a fourth aspect, a communication device is provided, including a logic circuit and an input-output interface. The input-output interface is used to input and/or output signals. The logic circuit is used to perform the first aspect and any possibility of the first aspect. Implement the method described in any of the ways.

In a fifth aspect, a computer-readable storage medium is provided, including a computer program or instructions. When the computer program or instructions are run on a computer, the first aspect and any possible implementation manner of the first aspect are enabled. Any of the methods described in are executed.

In a sixth aspect, a computer program product is provided, which includes instructions that, when the instructions are run on a computer, cause the method described in any one of the first aspect and any possible implementation of the first aspect to be executed. .

A seventh aspect provides a computer program that, when run on a computer, causes the method described in any one of the first aspect and any possible implementation of the first aspect to be executed.

Description of drawings

FIG. 1 is a schematic diagram of a communication system 100 applicable to the embodiment of the present application.

Figure 2 is a schematic diagram of the time domain resource configuration of SL-PRS.

Figure 3 is a schematic interaction flow diagram of the resource configuration method 300 according to the embodiment of the present application.

Figure 4 is a schematic diagram of the first mapping rule according to the embodiment of the present application.

Figure 5 is a schematic diagram of the second mapping rule according to the embodiment of the present application.

Figure 6 is a schematic interaction flow diagram of the resource configuration method 600 according to the embodiment of the present application.

Figure 7 is a schematic block diagram of a communication device 700 according to an embodiment of the present application.

Figure 8 is a schematic block diagram of a communication device 800 according to an embodiment of the present application.

Figure 9 is a schematic block diagram of a communication device 900 according to an embodiment of the present application.

Figure 10 is a schematic block diagram of a communication device 1000 according to an embodiment of the present application.

Figure 11 is a schematic block diagram of a communication device 1100 according to an embodiment of the present application.

Detailed ways

The technical solutions in this application will be described below with reference to the accompanying drawings.

The technical solutions of the embodiments of this application can be applied to various communication systems, such as: LTE system, LTE frequency division duplex (FDD) system, LTE time division duplex (TDD), general mobile communication system (universal mobile telecommunication system, UMTS), global interoperability for microwave access (Wi-MAX) communication system, 5G system or new radio (NR), the future sixth generation (6th generation, 6G ) systems, inter-satellite communications and satellite communications and other non-terrestrial communication network (non-terrestrial network, NTN) systems. Satellite communication systems include satellite base stations and terminal equipment. The satellite base station provides communication services to terminal equipment. Satellite base stations can also communicate with base stations. Satellites can serve as base stations and terminal equipment. Among them, satellites can refer to unmanned aerial vehicles, hot air balloons, low-orbit satellites, medium-orbit satellites, high-orbit satellites, etc. Satellites can also refer to non-ground base stations or non-ground equipment.

The technical solutions of the embodiments of this application are applicable to both homogeneous and heterogeneous network scenarios. At the same time, there are no restrictions on transmission points. They can be between macro base stations and macro base stations, micro base stations and micro base stations, or macro base stations and micro base stations. Multi-point coordinated transmission is applicable to FDD/TDD systems. The technical solutions of the embodiments of this application are not only applicable to low-frequency scenarios (sub 6G), but also to high-frequency scenarios (above 6GHz), terahertz, optical communications, etc. The technical solutions of the embodiments of this application can be applied not only to the communication between network equipment and terminals, but also to the communication between network equipment and network equipment, the communication between terminals, the Internet of Vehicles, the Internet of Things, the Industrial Internet, etc.

The technical solution of the embodiment of the present application can also be applied to a scenario where a terminal is connected to a single base station, where the base station to which the terminal is connected and the core network (core network, CN) to which the base station is connected are of the same standard. For example, if CN is 5G Core, the base station corresponds to 5G base station, and 5G base station is directly connected to 5G Core; or if CN is 6G Core, the base station is 6G base station, and 6G base station is directly connected to 6G Core. The technical solutions of the embodiments of the present application can also be applied to dual connectivity (DC) fields where the terminal is connected to at least two base stations. scene.

The technical solutions of the embodiments of this application can also use macro and micro scenarios composed of different forms of base stations in the communication network. For example, the base stations can be satellites, aerial balloon stations, drone stations, etc. The technical solutions of the embodiments of this application are also suitable for scenarios in which wide-coverage base stations and small-coverage base stations coexist.

It can also be understood that the technical solutions of the embodiments of the present application can also be applied to 5.5G, 6G and later wireless communication systems. Applicable scenarios include but are not limited to terrestrial cellular communication, NTN, satellite communication, and high altitude communication platform (high altitude platform). station (HAPS) communication, vehicle-to-everything (V2X), integrated access and backhaul (IAB), and reconfigurable intelligent surface (RIS) communication and other scenarios .

The terminal in the embodiment of this application may be a device with wireless transceiver function, which may specifically refer to user equipment (UE), access terminal, subscriber unit (subscriber unit), user station, or mobile station (mobile station). , remote station, remote terminal, mobile device, user terminal, wireless communication device, user agent or user device. The terminal device may also be a satellite phone, a cellular phone, a smartphone, a wireless data card, a wireless modem, a machine type communications device, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (wireless local) loop, WLL) station, personal digital assistant (PDA), customer-premises equipment (CPE), intelligent point of sale (POS) machine, handheld device with wireless communication function, computing Equipment or other processing equipment connected to wireless modems, vehicle-mounted equipment, communication equipment carried on high-altitude aircraft, wearable devices, drones, robots, terminals in device-to-device (D2D) communication, V2X Terminals in virtual reality (VR) terminal equipment, augmented reality (AR) terminal equipment, wireless terminals in industrial control (industrial control), wireless terminals in self-driving (self-driving), remote Wireless terminals in remote medical, wireless terminals in smart grid, wireless terminals in transportation safety, wireless terminals in smart city, and smart home Wireless terminals or terminal equipment in communication networks evolved after 5G, etc. are not limited by the embodiments of this application.

The device used to implement the functions of the terminal device in the embodiment of the present application may be a terminal device; it may also be a device that can support the terminal device to implement the function, such as a chip system. The device can be installed in a terminal device or used in conjunction with the terminal device. In the embodiments of this application, the chip system may be composed of chips, or may include chips and other discrete devices.

The network device in the embodiment of the present application is a device with wireless transceiver function, which is used to communicate with the terminal device. The access network device can be a node in the radio access network (RAN), which can also be called a base station, or a RAN node. It can be an evolved base station (evolved Node B, eNB or eNodeB) in LTE; or a base station in a 5G network such as gNodeB (gNB) or a base station in a public land mobile network (PLMN) evolved after 5G, a broadband network service gateway (BNG), an aggregation switch or a 3GPP access device, etc.

The network equipment in the embodiment of the present application may also include various forms of base stations, such as: macro base stations, micro base stations (also called small stations), relay stations, transmission points (transmitting and receiving point, TRP), transmitting points , TP), mobile switching center and base station responsible for device-to-device (D2D), vehicle outreach (vehicle-to-everything, V2X), machine-to-machine (M2M) communications Functional equipment, etc., can also include centralized units (CU) and distributed units (DU) in cloud radio access network (cloud radio access network, C-RAN) systems, and NTN communication systems. Network equipment is not specifically limited in the embodiments of this application.

The device used to implement the function of the network device in the embodiment of the present application may be a network device, or may be a device that can support the network device to implement the function, such as a chip system. The device can be installed in a network device or used in conjunction with a network device. The chip system in the embodiment of the present application may be composed of chips, or may include chips and other discrete devices.

FIG1 is a schematic diagram of a communication system 100 applicable to an embodiment of the present application. As shown in FIG1 , the communication system 100 includes a network device 110, a terminal device 120, and a terminal device 130. The embodiment of the present application does not limit the number of terminal devices and network devices included in the communication system 100. It should be understood that FIG1 is only for exemplary understanding and cannot limit the scope of protection required by the present application. Among them, the terminal device 120 and the terminal device 130 can be any one of the terminal devices listed above, and the network device 110 can be any one of the network devices listed above.

In the communication system shown in FIG. 1 , the terminal device 120 and the terminal device 130 can communicate through the PC5 interface, that is, the terminal device 120 and the terminal device 130 can communicate with each other via SL. The terminal device 120 or the terminal device 130 and the network device 110 may also communicate through an air interface (Uu).

Optionally, the network device 110 can also use an access and mobility management function (AMF) to Connect with LMF.

In the communication system shown in Figure 1, in a downlink (DL) scenario, the terminal device 120 measures the PRS sent by the network device 110 and reports the measurement value of PRS-RSRP to the LMF. The LMF determines the position of the terminal device 120 based on this measurement value.

Specifically, by measuring two PRSs respectively sent by the network device 110 and the network device 140 (not shown in FIG. 1 ), the terminal device 120 measures two measurement values: a first measurement value and a second measurement value. The first measurement value corresponds to the first PRS (sent by the network device 110), and the second measurement value corresponds to the second PRS (sent by the network device 140). After the terminal device 120 reports the first measurement value and the second measurement value to the LMF, the LMF combines the respective transmission beam patterns of the network device 110 and the network device 140 to calculate the corresponding angle of departure of each network device. , AOD).

It can be understood that the transmission beam pattern of the network device can be sent to the LMF by the network device, or can be pre-stored in the LMF, which is not limited by this application.

In one example, the LMF can send the first measurement value and the second measurement value to the corresponding network device respectively, and the network device can calculate the AOD by itself and then report it to the LMF. For example, the LMF sends the first measurement value to the network device 110 and the second measurement value to the network device 140 . The network device 110 calculates the first AOD according to the first measurement value, and reports the first AOD to the LMF. The network device 140 calculates the second AOD according to the second measurement value, and reports the second AOD to the LMF.

On the premise that the position of each network device is known, LMF forms a ray based on the AOD of the network device, starting from the position of the network device and with a deflection angle of AOD. Furthermore, the intersection point of the two rays determined by the LMF is the position of the terminal device.

Although the above description is an introduction to the existing positioning principle based on DL-PRS, the basic principle of the SL-based positioning technology is similar to the existing positioning principle of DL-PRS. The difference between the two is that in the SL-based positioning technology, the terminal device 120 needs to report the measurement value of SL-PRS-RSRP to the LMF, that is, the terminal device 120 needs to measure the AOD of other terminal devices.

In the SL-based positioning technology, the resource configuration method of SL-PRS is similar to the existing resource configuration method of DL-PRS, that is, the protocol can define the following information:

1. The starting symbol in the time slot (resource symbol offset);

2. Number of symbols occupied.

For DL-PRS, DL-PRS does not need to configure automatic gain control (AGC) symbols and gap (GAP) symbols, and the transmit power is determined by the network equipment. Among them, each DL-PRS can only use one antenna port for transmission.

For SL-PRS, each SL-PRS resource needs to be associated with a beam and transmitted using one antenna port. SL-PRS also needs to configure AGC symbols and GAP symbols.

Specifically, immediately following the physical side-link shared channel (PSSCH), the physical side-link feedback channel (PSFCH), or the secondary synchronization signal and PBCH block (secondary-synchronization signal and PBCH block, S-SSB)), or the orthogonal frequency division multiplexing (orthogonal frequency division multiplexing) after the last symbol of the side-link positioning reference signal (SL-PRS) orthogonal frequency division multiplexing, OFDM) symbols can be used as GAP symbols (the OFDM symbol immediately following the last symbol used for PSSCH, PSFCH or S-SSB serve as a guard symbol).

Among them, as mentioned in Articles 8.3.1.5 and 8.3.2.3, the first OFDM symbol of PSSCH and its related physical side-link control channel (PSCCH) is repeated (the first OFDM symbol of a PSSCH and its associated PSCCH is duplicated as descripted in clauses 8.3.1.5and 8.3.2.3). In addition, the first OFDM symbol of a PSFCH and its associated PSCCH is duplicated as descripted in clauses 8.3.4.2.2. It should be understood that the above-mentioned first OFMD symbol can be understood as an AGC symbol.

The resource elements used for PSCCH in the first OFDM symbol in the above mapping operation include any demodulation reference signal (DMRS) and phase-tracking reference signal that appear in the first OFDM symbol. PT-RS) or channel state information (channel state information, CSI)-reference signal (RS), or side-link positioning reference signal (SL-PRS) should be immediately followed by The resource elements used for the PSCCH in the first OFDM symbol in the mapping operation above including any DM-RS, PT-RS or CSI-RS occurring in the first OFDM symbol shall be duplicated in the immediately preceding OFDM symbol).

In the SL-based positioning technology, the terminal device 120 needs to measure the SL-PRS sent by multiple terminal devices. If multiple SL-PRS are sent in a beam, additional AGC symbols and GAP symbols need to be configured. The AGC symbol is used by the receiving end to adjust the working point so that the gain of the amplifier circuit is automatically adjusted with the signal strength, and the GAP symbol is used by the receiving end to perform the transmission and reception conversion, as shown in Figure 2.

Figure 2 is a schematic diagram of the time domain resource configuration of SL-PRS. As shown in Figure 2, the time domain resources of the first SL-PRS and the time domain resources of the second SL-PRS each include an AGC symbol and a GAP symbol. The AGC symbol may be the first symbol of the time domain resource of SL-PRS, and the GAP symbol may be the last symbol of the time domain resource of SL-PRS. The time domain resources of the first SL-PRS and the time domain resources of the second SL-PRS are separated by GAP symbols. The symbols between the AGC symbols and GAP symbols are used for actual transmission of SL-PRS.

As can be seen from Figure 2, if multiple SL-PRS are transmitted through multiple transmit beams, each SL-PRS time domain resource needs to be configured with an AGC symbol, which will lead to the allocation and scheduling of the SL-PRS time domain resources. The overhead is larger.

In view of the above technical problems, this application provides a resource configuration method and communication device, which can complete the transmission of sidelink positioning reference signals with a lower overhead of automatic gain control symbols.

The resource configuration method according to the embodiment of the present application will be described below with reference to the accompanying drawings.

Figure 3 is a schematic interaction flow diagram of the resource configuration method 300 according to the embodiment of the present application. The method flow in Figure 3 can be executed by the first communication device, or by modules and/or devices (for example, chips or integrated circuits) with corresponding functions installed in the first communication device, which are not limited by the embodiments of this application. The first communication device may be a network device or a terminal device. The following description will take the first communication device as an example. As shown in Figure 3, method 300 includes:

S310. The first communication device determines M symbols of the first time unit. The first X symbols among the M symbols are used to transmit AGC symbols. The M symbols are also used to transmit N SL-PRS. The N SL-PRS are at least It includes a first SL-PRS and a second SL-PRS, the first SL-PRS occupies the first symbol set, and the second SL-PRS occupies the second symbol set, M≥2, X≥1, N≥2.

Specifically, the M symbols determined by the first communication device may be used to transmit AGC symbols and N SL-PRS. Each of the N SL-PRSs may occupy a different symbol set. For example, the first SL-PRS occupies the first symbol set, and the second SL-PRS occupies the second symbol set. The number of symbols in each symbol set may be the same or different, which is not limited by this application. In addition, the number of symbols in each symbol set may be one or multiple, which is not limited by this application. For the convenience of description, the embodiment of the present application takes M=5, X=1, and N=2 as an example for description, but other values are not limited.

It should be understood that the OFDM symbol used to transmit the AGC symbol can also be used to transmit the first SL-PRS, that is, the AGC symbol can multiplex the same OFDM symbol with the first SL-PRS. Therefore, the above relationships of M≥2, X≥1, and N≥2 are established.

In one example, one of the five symbols in the first time unit determined by the first communication device may be used to transmit the AGC symbol, and the remaining four symbols may be used to transmit the first SL-PRS and the second SL-PRS. .

In a possible implementation, the first SL-PRS occupies a first symbol set, the first symbol set includes at least one symbol, and the second SL-PRS occupies a second symbol set, and the second symbol set includes at least one symbol. The following continues to describe the arrangement relationship between the first symbol set and the second symbol set.

In this embodiment of the present application, the number of AGC symbols used to transmit may be one or more, that is, the AGC symbols may be transmitted by occupying one or more OFDM symbols. In this way, the transmission of SL-PRS can be completed with a lower overhead of AGC symbols.

As a possible implementation, this application also supports sidelink positioning between other signal participating devices. For example, sounding reference signal (SRS), or side-link control information (SCI), etc.

For convenience of description, the embodiment of the present application takes SL-PRS as an example for description, but other types of signals are not limited. Therefore, part or all of the description of SL-PRS in this application can also be applied to other types of signals, which will be described uniformly here and will not be described again.

It can be understood that the AGC symbol can also be replaced by other signals with the same function and different names. This application does not limit the expression of the AGC symbol.

As can be seen from Figure 2, the time domain resource of the first SL-PRS includes an AGC symbol and a GAP symbol, and the time domain resource of the second SL-PRS also includes an AGC symbol and a GAP symbol. This will make the time domain of the SL-PRS AGC symbols in domain resources have a larger overhead. Combined with the technical solutions disclosed in the embodiments of this application, the time domain resources of the second SL-PRS may not include AGC symbols. In this way, the overhead of AGC symbols can be saved. Specific details are described below.

S320. The first communication device sends an AGC symbol and N SL-PRSs on M symbols.

The first communication device can complete the transmission of AGC symbols and N SL-PRS on M symbols, and then can complete sidelink positioning between devices.

In summary, through the above technical solution, the present application can complete the transmission of SL-PRS with a lower overhead of AGC symbols.

In addition, by reducing the overhead of AGC symbols in the time domain resources of SL-PRS, this application can also reduce the reception complexity of the receiving end.

In a possible implementation, the M symbols can be M consecutive symbols. In this way, the transmission of AGC symbols and multiple SL-PRS can be completed on consecutive symbols.

A possible implementation method, S320 can also include:

The first communication device transmits N SL-PRS through K transmitting antennas, K≥2.

Specifically, the first mapping rule is satisfied between the K transmit antennas and the N sidelink positioning reference signals. Through the first mapping rule, the first communication device selects a corresponding transmit antenna from the K transmit antennas to transmit the corresponding SL-PRS. For example, if K=2 and N=2, the first mapping rule may be: the first transmit antenna (or antenna port) corresponds to the first SL-PRS, and the second transmit antenna corresponds to the second SL-PRS.

When the number of SL-PRSs is greater than the number of transmitting antennas, one transmitting antenna may correspond to one or more SL-PRSs, which may be set according to the specific circumstances and is not limited in this application.

For example, when there are multiple transmitting antennas, the first mapping rule may be: the first transmitting antenna corresponds to SL-PRS#1 and SL-PRS#2, and the second transmitting antenna corresponds to SL-PRS#3 and SL -PRS#4. The first mapping rule may also be: the first transmitting antenna corresponds to SL-PRS#1, the second transmitting antenna corresponds to SL-PRS#2, SL-PRS#3, SL-PRS#4, and so on.

Optionally, the above description can also be understood as: the first communication device uses an antenna to transmit SL-PRS, or maps different antenna ports to different SL-PRS resources. A unified explanation is given here and will not be repeated in the following paragraphs.

This application supports sending multiple SL-PRS through multiple transmit antennas. At the same time, when multiple SL-PRS are transmitted through multiple transmit antennas, a first mapping rule between multiple transmit antennas and multiple SL-PRS can be established. In this way, the present application can not only improve the measurement capability of the sidelink positioning angle of the communication device, but also reduce the overhead and complexity when measuring SL-PRS.

Specifically, when the first communication device sends multiple SL-PRS to the second communication device according to the above-mentioned first mapping rule, different SL-PRS can correspond to different transmitting antennas, which allows the second communication device to perform multiple By receiving multiple SL-PRS on the transmitting antenna, the angles between multiple SL-PRS can be determined to complete the sidelink link positioning between devices.

A possible implementation method, S320 can include:

The first communication device transmits N SL-PRS through L transmission beams, L≥2.

Specifically, the second mapping rule is satisfied between the L transmit beams and the N sidelink positioning reference signals. Through the second mapping rule, the first communication device selects a corresponding transmit beam from the L transmit beams to transmit the corresponding SL-PRS. For example, if L=2 and N=2, the second mapping rule may be: the first transmission beam corresponds to the first SL-PRS, and the second transmission beam corresponds to the second SL-PRS.

When the number of SL-PRSs is greater than the number of transmitting beams, one transmitting beam may correspond to one or more SL-PRSs, which can be set according to specific circumstances and is not limited by this application.

For example, when there are multiple transmit beams, the second mapping rule may be: the first transmit beam corresponds to SL-PRS#1 and SL-PRS#2 (or the first communication device uses different transmit beams to transmit different SL -PRS), the second transmission beam corresponds to SL-PRS#3 and SL-PRS#4. The second mapping rule may also be: the first transmission beam corresponds to SL-PRS#1, the second transmission beam corresponds to SL-PRS#3, SL-PRS#2, SL-PRS#4, and so on.

This application supports sending multiple SL-PRS via multiple transmit beams. When multiple SL-PRS are transmitted through multiple transmit beams, a second mapping rule between the multiple transmit beams and the multiple SL-PRS may be established. In this way, the present application can not only improve the measurement capability of the sidelink positioning angle of the communication device, but also reduce the overhead and complexity when measuring SL-PRS.

Specifically, when the first communication device sends multiple SL-PRS to the second communication device according to the above-mentioned second mapping rule, different SL-PRS correspond to different transmission beams, which allows the second communication device to transmit in multiple By receiving multiple SL-PRS on the beam, the angles between multiple SL-PRS can be determined, and ultimately the sidelink link positioning between devices is completed.

Optionally, the above-mentioned first mapping rule and/or second mapping rule may be predefined by a protocol (for example, 3GPP protocol), or may be instructed by the second communication device to the first communication device.

In one possible implementation, the first communication device determines the M symbols by receiving configuration information #1. That is, the first communication device receives configuration information #1, which is used to configure the above-mentioned M symbols. For example, the configuration information #1 may include the The time domain configuration information of the AGC and the time domain configuration information of N SL-PRS within a time unit. In this way, the first communication device completes the transmission of the sidelink positioning reference signal according to the time domain configuration information of M symbols included in the configuration information #1.

In a possible implementation, the above configuration information #1 can also be used to configure the first mapping rule and/or the second mapping rule.

In a possible implementation, the first time unit includes any of the following: time slot, subframe, or system frame.

A possible implementation, when K=2, N=2, the first mapping rule may include:

The first SL-PRS is mapped to the first transmitting antenna, and the second SL-PRS is mapped to the second transmitting antenna.

In a possible implementation, when L=2 and N=2, the second mapping rule may include:

The first SL-PRS is mapped to the first transmission beam, and the second SL-PRS is mapped to the second transmission beam.

Alternatively, the first transmit beam may be the strongest transmit beam. The first communication device determines the strongest transmission beam (ie, the first transmission beam) through previous SL data transmission or beam scanning. The first communication device determines the symbols used to transmit AGC among the above five symbols according to the first transmission beam.

Optionally, the second transmitting beam may be an adjacent transmitting beam whose power differs from the first transmitting beam by a fixed value. For example, the fixed value may be 10-15dBm, or may be other values. Wherein, the time domain resource of the second SL-PRS corresponding to the second transmission beam may not require AGC symbols. In this way, the overhead of AGC symbols can be reduced, and the time domain resources of SL-PRS can be reasonably configured, and the allocation and scheduling overhead for configuring the time domain resources of SL-PRS can also be reduced.

Through the above technical solution, the present application can realize the transmission of SL-PRS with a lower overhead of AGC symbols.

In addition, by reducing the overhead of AGC symbols in the time domain resources used to transmit SL-PRS, this application can also reduce the reception complexity of the receiving end.

In one possible implementation, the aforementioned first symbol set may include two symbols (hereinafter referred to as symbol A), and the second symbol set may include two symbols (hereinafter referred to as symbol B).

Specifically, symbol A corresponds to the symbol between the AGC symbol and the GAP symbol of the time domain resource of the first SL-PRS shown in Figure 2, and symbol B corresponds to the time domain resource of the second SL-PRS shown in Figure 2 The symbol between the AGC symbol and the GAP symbol.

A possible implementation method is that the first symbol set and the second symbol set satisfy any of the following:

1) Symbol B is not included between any two symbols A; (Mapping rule #1)

2) At least one symbol B is included between at least two symbols A; (Mapping rule #2)

3) Symbol A is not included between any two symbols B; (Mapping rule #3)

4) At least one symbol A is included between at least two symbols B. (Mapping Rule #4)

To put it simply, any two symbols in the first symbol set do not include one or more symbols of the second symbol set; or, at least two symbols in the first symbol set include one or more symbols of the second symbol set. One or more symbols.

For example, any two symbols A that do not include symbol B can be: AABB. To put it simply, multiple symbols A in the first symbol set are concentrated, and multiple symbols B in the second symbol set are concentrated. At least one pair of symbols A includes at least a second symbol B, which can be: AABBAABB or ABAABBBBAAAAAABBBB, etc. Simply put, the first symbol set and the second symbol set satisfy a sparse distribution. The symbol A is not included between any two symbols B, which can be: AABBBBBB. To put it simply, multiple symbols of the first symbol set are concentratedly distributed, and multiple symbols of the second symbol set are concentratedly distributed. At least one pair of symbols B includes at least one symbol A, which can be: AABBAABB or ABBAABBBBAAAAAABBBB, etc. Simply put, the first symbol set and the second symbol set satisfy a sparse distribution. See Figure 4 and Figure 5 for details.

Figure 4 is a schematic diagram of the first mapping rule according to the embodiment of the present application. As shown in (a) of Figure 4, M=6, the number of AGC symbols is 1, the number of GAP symbols is 1, the first SL-PRS occupies 2 symbols, and the second SL-PRS occupies 2 symbols. Then the two symbols occupied by the first SL-PRS (concentrated arrangement) are mapped to the first transmitting antenna, and the two symbols occupied by the second SL-PRS (concentrated arrangement) are mapped to the second transmitting antenna (see the mapping Rule #1). As shown in (b) of Figure 4, M=6, M=6, the number of AGC symbols is 1, the number of GAP symbols is 1, the first SL-PRS occupies 2 symbols, and the second SL-PRS occupies 2 symbol. Then the two symbols occupied by the first SL-PRS (arranged separately) are mapped to the first transmitting antenna, and the two symbols occupied by the second SL-PRS (arranged separately) are mapped to the second transmitting antenna (see the mapping Rule #2). Figure 5 is a schematic diagram of the second mapping rule according to the embodiment of the present application. As shown in (a) of Figure 5, M=6, the number of AGC symbols is 1, the number of GAP symbols is 1, the first SL-PRS occupies 2 symbols, and the second SL-PRS occupies 2 symbols. Then the two symbols occupied by the first SL-PRS (concentrated arrangement) are mapped to the first transmit beam, and the two symbols occupied by the second SL-PRS (concentrated arrangement) are mapped to the second transmit beam (see the mapping Rule #1). As shown in (b) of Figure 5, M=6, M=6, the number of AGC symbols is 1, the number of GAP symbols is 1, the first SL-PRS occupies 2 symbols, and the second SL-PRS occupies 2 symbol. Then the two symbols occupied by the first SL-PRS (arranged separately) are mapped to the first transmit beam, and the two symbols occupied by the second SL-PRS (arranged separately) are mapped to the second transmit beam (see the mapping Rule #2).

The above is only for illustrative purposes, and the embodiments of the present application do not limit the specific arrangement.

Optionally, the first symbol set and the second symbol set may be scheduled across time slots/subframes/system frames, or may be scheduled in the same time slot/subframe/system frame, which is not limited in this application.

In one possible implementation, when the second communication device indicates the first mapping rule and/or the second mapping rule to the first communication device, the indication may be made through indication information.

Optionally, the indication information includes any one of the following: radio resource control (radio resource control, RRC) signaling, media access control-control element (media access control-control element, MAC-CE), PC5-RRC, etc. Semi-static signaling.

Optionally, the indication information also includes any one of the following: downlink control information (DCI), dynamic signaling such as SCI and PSSCH.

Optionally, when indicating in a dynamic or semi-static manner, the second communication device may indicate through part of the bits. For example, G bits represent 2G bit combinations, and different bit combinations represent different mapping rules. Among them, the G bits may be reserved bits on DCI, SCI and PSSCH or new domains/new bits for dynamic signaling.

For example, when G=1, "0" represents mapping rule #1, and "1" represents the second mapping rule #2.

For example, when G=2, "00" represents mapping rule #1, "10" represents mapping rule #2, "01" represents mapping rule #3, "11" represents mapping rule #4, etc., this application No restrictions.

In a possible implementation, the second communication device may indicate whether to use the aforementioned few ACG symbol mode through one or more bits.

For example, the second communication device uses bit 1 to indicate using the multi-AGC symbol mode, uses bit 0 to indicate using the low-AGC symbol mode, etc., and vice versa, which is not limited by this application.

Optionally, the above-mentioned first mapping rule and second mapping rule may also be predefined.

Specifically, the multi-AGC symbol mode means that the number of AGC symbols is consistent with the number of SL-PRS. The low AGC symbol mode means that the number of AGC symbols is less than the number of SL-PRS. A unified explanation is given here and will not be repeated in the following paragraphs.

In a possible implementation, the first communication device may also receive indication information before sending the SL-PRS. The indication information can be used to indicate the first mapping rule or the second mapping rule.

Through the above technical solution, this application enables the first communication device to obtain the mapping rule between the transmitting antenna or transmitting beam and SL-PRS, and the first communication device determines the appropriate transmitting antenna or transmitting beam to transmit SL-PRS based on the obtained mapping rule. PRS to complete the sidelink positioning process between devices.

Optionally, the first communication device may receive the indication information from multiple sources. For example, the indication information may be part of the information in the preconfiguration information (for example, factory configuration), part of the information in the SCL, or part of the information in the PC5RRC information. Specific details are described further below.

Among other things, this increases the flexibility of instructions.

The resource configuration method shown in Figure 3 will be further described below in conjunction with Figure 6 .

Figure 6 is a schematic interaction flow diagram of the resource configuration method 600 according to the embodiment of the present application. The method flow in Figure 6 may be executed by the terminal device 120, or by modules and/or devices (for example, chips or integrated circuits, etc.) with corresponding functions installed in the terminal device 120. The following description takes the terminal device 120 as an example. As shown in Figure 6, method 600 includes:

Optionally, S601, the terminal device 120 receives configuration information #1, which is used to configure the above M symbols.

Specifically, configuration information #1 includes the time domain configuration information of the AGC symbol in the first time unit and the time domain configuration information of N SL-PRS. Through configuration information #1, the terminal device 120 determines the time domain configuration information of each symbol in the M symbols, thereby completing the SL-PRS transmission.

Optionally, the terminal device 120 can receive configuration information #1 from the network device 110, and the terminal device 120 can also receive the configuration information #1 from the terminal device 130, or the configuration information #1 can also be pre-configured, which is not limited by this application. Specific implementation methods.

In one possible implementation, when the terminal device 120 obtains the configuration information #1 through preconfiguration or a method instructed by the network device 110, the terminal device 120 can also send the configuration information #1 to the terminal device 130. The terminal device 130 determines the above-mentioned M symbols based on the configuration information #1 sent by the terminal device 120.

Optionally, S610, the terminal device 120 receives the first information for configuring SL positioning parameters.

The first information received by the terminal device 120 may come from the network device 110 , preconfiguration information, or the terminal device 130 . For example, the network device 110 sends RRC signaling to the terminal device 120, where the RRC signaling includes the first information. For example, the first information is stored in the terminal device 120 through preconfigured technical means (for example, factory settings).

In a possible implementation, the first information may also include configuration information #1.

Optionally, the first information may be preconfigured information, which may also be used to configure information required by the basic communication/positioning process, such as SL positioning parameters.

Optionally, the first information can also be statically configured and does not need to be updated quickly. In this way, signaling overhead can be saved.

In a possible implementation, the SL positioning parameters include at least one of the following:

The first mapping rule is to enable the antenna port switching capability, or the second mapping rule.

For example, the terminal device 120 can obtain the first mapping rule, that is, the terminal device 120 can send the corresponding SL-PRS through different transmission beams (it can also be: the terminal device 120 uses different powers to send the corresponding SL-PRS). . The terminal device 120 can switch different antenna ports according to the antenna port switching capability parameter. The terminal device 120 can obtain the second mapping rule, that is, the terminal device 120 can send the corresponding SL-PRS through different transmitting antennas.

Optionally, the SL positioning parameters may also include: using a multi-AGC symbol mode or a few-AGC symbol mode.

In a possible implementation, the first information includes indication information. The "include" can be understood as: the indication information is part of the first information, or the first information is the indication information, which is not limited in this application.

S620. The terminal device 120 sends SL positioning request information to the terminal device 130, for requesting the SL positioning service between the terminal device 120 and the terminal device 130.

Correspondingly, the terminal device 130 receives the SL positioning request information sent from the terminal device 120, and initiates the SL positioning service based on the SL positioning request information.

Optionally, the SL positioning request information can also carry quality of service (QoS) indicators, such as delay, accuracy and other information.

Optionally, the SL positioning request information sent by the terminal device 120 to the terminal device 130 may also include configuration information #1.

S630. The terminal device 130 sends second information to the terminal device 120 for configuring SL positioning reporting information.

Correspondingly, the terminal device 120 receives the second information sent from the terminal device 130 .

Specifically, the second information can be configured between the terminal device 120 and the terminal device 130 through PC5-RRC signaling.

In a possible implementation, the SL positioning reporting information includes at least one of the following:

1) Positioning measurement reporting type. For example: SL-AOD, SL-time of arrival (TOA), SL-relative time of arrival (RTOA), etc.

2) Non-positioning measurement reporting type. For example: one or more of the service base station information of the terminal device, the absolute position information of the terminal device, and the orientation information;

3) Whether reverse transmission of SL-PRS is required, and the triggering status of SL-PRS for reverse transmission;

4) Whether it is necessary to use different transmit beams or transmit antennas to transmit SL-PRS;

5) first mapping rule and/or second mapping rule;

6) Available transmitting panel (Tx panel) and transmitting antenna (Tx port) (i.e. available transmitting beam or transmitting antenna);

7) Use multiple AGC symbol modes and/or few AGC symbol modes.

Through the above information, the terminal device 120 can know what method to use to perform SL positioning measurement, and then the terminal device 120 and the terminal device 130 can perform better SL positioning.

S640. The terminal device 120 sends SCI#A to the terminal device 130.

Accordingly, the terminal device 130 receives the SCI#A sent from the terminal device 120, and the SCI#A is used to schedule the PSSCH#A. PSSCH#A may include request information for requesting the terminal device 130 to send SL positioning reporting information, and may also include SL positioning reporting information sent by the terminal device 120 to the terminal device 130.

In a possible implementation, the second information includes indication information. The "include" can be understood as: the indication information is part of the second information, or the second information is the indication information, which is not limited in this application.

One possible implementation is that before sending SCI#A to the terminal device 130, the terminal device 120 receives the DCI#A sent by the network device 110, and the DCI#A is used to schedule SL-PRS for sending SL-PRS#A.

As a possible implementation, DCI#A can indicate the SL-PRS transmission mode through reserved bits (for example, 2 bits) or a new SCI domain, for example, single beam transmission mode, single antenna port transmission mode, multiple Beam transmission mode, multi-antenna port transmission mode; or mapping rules between SL-PRS and transmit beams or transmit antennas.

Optionally, DCI#A can also indicate the multi-AGC symbol mode or the low-AGC symbol mode through reserved bits or new SCI fields.

As a possible implementation, SCI#A can also indicate the SL-PRS transmission mode through reserved bits (for example, 2 bits) or a new SCI domain, for example, single-beam transmission mode, single-antenna port transmission mode, Multi-beam transmission mode, multi-antenna port transmission mode; or mapping rules between SL-PRS and transmit beams or transmit antennas. In other words, SCI#A can also be used to indicate the transmission mode of SL-PRS. Dynamic indication can be achieved through SCI, and the first communication device can dynamically adjust the transmission mode according to channel conditions to improve the positioning measurement effect.

Optionally, SCI#A can also indicate the multi-AGC symbol mode or the low-AGC symbol mode through reserved bits or a new SCI field.

In addition, by reserving bits, this application does not add additional dynamic signaling overhead.

In a possible implementation, SCI#A can also be used to indicate the first mapping rule and/or the second mapping rule.

The SL-PRS transmission mode of the terminal device 120 may be indicated by the network device 110. In this way, the terminal device 120 can perform SL-PRS transmission according to the instruction of the network device 110 .

The terminal device 130 determines the transmission mode in which the terminal device 120 wants to send the SL-PRS according to the SCI#A sent by the terminal device 120. For example, the terminal device 120 indicates through SCI#A that the transmission mode of SL-PRS is a multi-beam transmission mode, and the terminal device 130 determines based on the SCI#A that the terminal device 120 will transmit multiple SL-PRS through multi-beams. Alternatively, the terminal device 120 indicates through SCI#A that the transmission mode of the SL-PRS is a multi-antenna port transmission mode, and the terminal device 130 determines based on the SCI#A that the terminal device 120 will transmit multiple SL-PRS through the multi-antenna ports.

Correspondingly, the terminal device 130 can perform corresponding SL-PRS measurement according to SCI#A.

It should be understood that the number of trigger status bits in SCI#A can be configured through the first information. Among them, the field value corresponding to the trigger status in SCI#A is used to find the triggered SL-PRS and the requested SL positioning reporting information.

S650. The terminal device 120 sends PSSCH#A to the terminal device 130.

The terminal equipment 120 determines the strongest transmit beam according to the transmission of PSSCH#A, and then determines the AGC symbol. In other words, PSSCH#A can be used by the terminal device 120 to determine the strongest transmit beam or AGC symbol.

S660. The terminal device 120 sends SL-PRS#A to the terminal device 130.

Specifically, SL-PRS#A corresponds to the toggle state in SCL#A.

Optionally, the SL-PRS#A sent by the terminal device 120 to the terminal device 130 is sent through the first transmitting beam or the first transmitting antenna.

In a possible implementation, the SL-PRS#A sent by the terminal device 120 to the terminal device 130 can be used for AOD measurement.

Through the above technical solution, the present application can support sidelink positioning between devices with a lower overhead of AGC symbols.

In a possible implementation, the method 400 may further include:

S660. The terminal device 130 sends SCI#B to the terminal device 120.

Correspondingly, the terminal device 120 receives the SCI#B sent from the terminal device 130 . Among them, for the description of SCI#B, please refer to the description of SCI#A, and will not be repeated here.

S670. The terminal device 130 sends PSSCH#B to the terminal device 120.

Correspondingly, the terminal device 120 receives the PSSCH#B sent from the terminal device 130. For the description of PSSCH#B, please refer to the description of PSSCH#A, which will not be described again here.

S680. The terminal device 130 sends SL-PRS#B to the terminal device 120.

Correspondingly, the terminal device 120 receives the SL-PRS#B sent from the terminal device 130. For the description of SL-PRS#B, please refer to the description of SL-PRS#A, which will not be described again here.

In one possible implementation, the terminal device 120 sends multiple SCIs to the terminal device 130 . When the terminal device 120 sends multiple SCIs to the terminal device 130, the corresponding relationship between the SL-PRS sent by the terminal device 120 to the terminal device 130 and the multiple SCIs may be configured by the first information. For example, the terminal device 120 sends the SL-PRS corresponding to the first SCI among the plurality of SCIs to the terminal device 130 according to the information configured in the first information.

In one possible implementation, the first information, the second information, SCI#A, etc. may all include instruction information, that is, the first information, the second information, SCI#A, etc. may be carried in the information for configuring the first mapping rule. and/or information about the second mapping rule.

It should be understood that although this application uses S610 to S680 as an example for description, it does not limit all steps in S610 to S680 as necessary steps. Some steps may be omitted or combined with each other.

In addition, this application does not limit the order of adjacent steps in S610 to S680.

It should be understood that the content shown in Figure 6 is only an exemplary understanding, and any processes or improvements derived based on Figure 6 should be regarded as one of the technical solutions disclosed in the embodiments of the present application.

It should be understood that the network device 110 in the flow chart shown in FIG. 6 can communicate with the terminal device 120 and the terminal device 130. Among them, the network device 110 can perform the methods or steps related to the above process. The specific content can be found in the above description, and will not be described again here.

The method embodiments of the embodiments of the present application are described above, and the corresponding device embodiments are introduced below.

In order to realize each function in the method provided by the above embodiments of the present application, both the terminal and the network device may include a hardware structure and/or a software module to implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module. . Whether one of the above functions is performed as a hardware structure, a software module, or a hardware structure plus a software module depends on the specific application and design constraints of the technical solution.

Figure 7 is a schematic block diagram of a communication device 700 according to an embodiment of the present application. The communication device 700 includes a processor 710 and a communication interface 720. The processor 710 and the communication interface 720 are connected to each other through a bus 730. The communication device 700 shown in Figure 7 may be a network device or a terminal device.

Optionally, the communication device 700 further includes a memory 740.

Memory 740 includes, but is not limited to, random access memory (RAM), read-only memory (ROM), erasable programmable read only memory (EPROM), or Portable read-only memory (compact disc read-only memory, CD-ROM), the memory 740 is used for related instructions and data.

The processor 710 may be one or more central processing units (CPUs). When the processor 710 is a CPU, the CPU may be a single-core CPU or a multi-core CPU.

When the communication device 700 is the above-mentioned first communication device, the processor 710 in the communication device 700 is used to read the computer program or instructions stored in the memory 740, and exemplarily perform the following operations: determine the first time unit M symbols within the M symbols, the first PRS, the first SL-PRS occupies the first symbol set, the second SL-PRS occupies the second symbol set, M≥2, X≥1, N≥2; send AGC symbols and N SL-PRS on M symbols .

As another example, the following operations may be performed: receiving indication information, the indication information being used to indicate the first mapping rule; or the indication information being used to indicate the second mapping rule.

As another example, the following operations may be performed: receiving first information, the first information including the indication information, the first information being used to configure sidelink positioning parameters of the first communication device; or, receiving sidelink Control information, the sidelink control information includes the indication information, the sidelink control information is used to schedule a sidelink shared channel, and the sidelink shared channel is used for sidelink data transmission; or, Second information is received, the second information includes the indication information, and the second information is used to configure sidelink positioning reporting information.

What is described above is merely an exemplary description. When the communication device 700 is a first communication device, it will be responsible for executing the methods or steps related to the first communication device in the foregoing method embodiments. In addition, the first communication device may be a terminal device or a network device.

The above description is an exemplary description only. For specific content, please refer to the content shown in the above method embodiment. In addition, the implementation of each operation in Figure 7 can also correspond to the corresponding descriptions of the method embodiments shown in Figures 3 and 6.

Figure 8 is a schematic block diagram of a communication device 800 according to an embodiment of the present application. The communication device 800 may be the network device or terminal device in the above embodiments, or may be a chip or module in the network device or terminal device, used to implement the method involved in the above embodiments. The communication device 800 includes a transceiver unit 810 and a processing unit 820. The transceiver unit 810 and the processing unit 820 are exemplarily introduced below.

The transceiver unit 810 may include a sending unit and a receiving unit, respectively used to implement the sending or receiving functions in the above method embodiments; and may further include a processing unit, used to implement functions other than sending or receiving.

Exemplarily, the transceiver unit 810 is configured to receive indication information, where the indication information is used to indicate the first mapping rule; or, the indication information is used to indicate the second mapping rule. The transceiver unit 810 may also be used to receive first information, where the first information includes the indication information, and the first information is used to configure the sidelink positioning parameters of the first communication device; or, the first communication device receives the sidelink positioning parameter. Link control information, the sidelink control information includes the indication information, the sidelink control information is used to schedule a sidelink shared channel, and the sidelink shared channel is used for sidelink data transmission; Alternatively, the first communication device receives second information, the second information includes the indication information, and the second information is used to configure sidelink positioning reporting information and so on.

Illustratively, the processing unit 820 is configured to perform content related to processing, coordination and other steps of the first communication device. For example, the processing unit 820 is used to determine M symbols in the first time unit, the first X symbols of the M symbols are used to transmit AGC symbols, the M symbols are also used to transmit N SL-PRS, and N SL- The PRS at least includes a first SL-PRS and a second SL-PRS. The first SL-PRS occupies the first symbol set, and the second SL-PRS occupies the second symbol set. M≥2, X≥1, and N≥2.

Optionally, the communication device 800 further includes a storage unit 830, which is used to store programs or codes for performing the foregoing method.

What is described above is merely an exemplary description. When the communication device 800 is a first communication device, it will be responsible for executing the methods or steps related to the first communication device in the foregoing method embodiments.

What is described above is merely an exemplary description. When the communication device 800 is a network device or a terminal device, it will be responsible for executing the methods or steps related to the network device or the terminal device in the foregoing method embodiments.

In addition, the implementation of each operation in Figure 8 can also be described correspondingly with reference to the method shown in the above embodiment, and will not be described again here.

The device embodiments shown in Figures 7 and 8 are used to implement the contents described in Figures 3 and 6 of the foregoing method embodiments. Therefore, the specific execution steps and methods of the devices shown in Figures 7 and 8 can be referred to the content described in the foregoing method embodiments.

It should be understood that the above-mentioned transceiving unit may include a sending unit and a receiving unit. The sending unit is used to perform the sending action of the communication device, and the receiving unit is used to perform the receiving action of the communication device. For convenience of description, the embodiment of the present application combines the sending unit and the receiving unit into one sending and receiving unit. A unified explanation is given here and will not be repeated in the following paragraphs.

Figure 9 is a schematic diagram of a communication device 900 according to an embodiment of the present application. The communication device 900 can be used to implement the functions of network equipment or terminal equipment in the above method. The communication device 900 may be a chip in a network device or a terminal device.

The communication device 900 includes: an input/output interface 920 and a processor 910. The input/output interface 920 may be an input/output circuit. The processor 910 may be a signal processor, a chip, or other integrated circuit that can implement the method of the present application. The input/output interface 920 is used for inputting or outputting signals or data.

For example, the input and output interface 920 is used to send AGC symbols and N SL-PRS on M symbols. The input and output interface is also used to receive indication information. The indication information is used to indicate the first mapping rule between K transmit antennas and N SL-PRS; or, the indication information is used to indicate the L transmit beams and N SL-PRS. Second mapping rule between SL-PRS. The processor 910 is configured to execute some or all steps of any method provided by the embodiments of this application. Exemplarily, the input and output interface is used to receive sidelink control information, the sidelink control information includes indication information, the sidelink control information is used to schedule the sidelink shared channel, and the sidelink shared channel is used to For sidelink data transmission, etc.

In one possible implementation, the processor 910 implements the functions implemented by the network device or the terminal device by executing instructions stored in the memory.

Optionally, the communication device 900 further includes a memory.

Optionally, the processor and memory are integrated together.

Optionally, the memory is outside the communication device 900 .

In a possible implementation, the processor 910 may be a logic circuit, and the processor 910 inputs/outputs the message through the input/output interface 920 . information or signaling. The logic circuit may be a signal processor, a chip, or other integrated circuits that can implement the methods of the embodiments of the present application.

The above description of the device in FIG. 9 is only an exemplary description. The device can be used to perform the method described in the previous embodiment. For details, please refer to the description of the previous method embodiment, which will not be described again here.

Figure 10 is a schematic block diagram of a communication device 1000 according to an embodiment of the present application. The communication device 1000 may be a network device or a chip. The communication device 1000 may be used to perform the operations performed by the network device in the above method embodiments shown in FIG. 3 and FIG. 6 .

When the communication device 1000 is a network device, it is, for example, a base station. Figure 10 shows a simplified schematic structural diagram of a base station. The base station includes a 1010 part, a 1020 part and a 1030 part. Part 1010 is mainly used for baseband processing, controlling the base station, etc. Part 1010 is usually the control center of the base station, which can usually be called a processor, and is used to control the base station to perform processing operations on the network device side in the above method embodiments. Section 1020 is primarily used to store computer program code and data. The 1030 part is mainly used for the transmission and reception of radio frequency signals and the conversion of radio frequency signals and baseband signals; the 1030 part can usually be called a transceiver module, a transceiver, a transceiver circuit, or a transceiver, etc. The transceiver module of part 1030 may also be called a transceiver or transceiver, etc., which includes an antenna 1033 and a radio frequency circuit (not shown in the figure), where the radio frequency circuit is mainly used for radio frequency processing. Optionally, the device used to implement the receiving function in part 1030 can be regarded as a receiver, and the device used to implement the transmitting function can be regarded as a transmitter, that is, part 1030 includes a receiver 1032 and a transmitter 1031. The receiver can also be called a receiving module, receiver, or receiving circuit, etc., and the transmitter can be called a transmitting module, transmitter, or transmitting circuit, etc.

Parts 1010 and 1020 may include one or more single boards, and each single board may include one or more processors and one or more memories. The processor is used to read and execute programs in the memory to implement baseband processing functions and control the base station. If there are multiple boards, each board can be interconnected to enhance processing capabilities. As an optional implementation, multiple single boards may share one or more processors, or multiple single boards may share one or more memories, or multiple single boards may share one or more processors at the same time. device.

For example, in one implementation, the transceiver module of part 1030 is used to perform transceiver-related processes performed by the network device in the embodiments shown in FIG. 3 and FIG. 6 . The processor of part 1010 is used to perform processes related to processing performed by the network device in the embodiments shown in FIG. 3 and FIG. 6 .

In another implementation, the processor of part 1010 is used to perform processes related to processing performed by the communication device in the embodiments shown in FIG. 3 and FIG. 6 .

In another implementation, the transceiver module of part 1030 is used to perform transceiver-related processes performed by the communication device in the embodiments shown in FIG. 3 and FIG. 6 .

It should be understood that FIG. 10 is only an example and not a limitation. The network equipment including the processor, memory and transceiver mentioned above may not rely on the structure shown in FIGS. 7 to 9 .

When the communication device 1000 is a chip, the chip includes a transceiver, a memory, and a processor. The transceiver may be an input-output circuit or a communication interface; the processor may be a processor, a microprocessor, or an integrated circuit integrated on the chip. The sending operation of the network device in the above method embodiment can be understood as the output of the chip, and the receiving operation of the network device in the above method embodiment can be understood as the input of the chip.

Figure 11 is a schematic block diagram of a communication device 1100 according to an embodiment of the present application. The communication device 1100 may be a terminal device, a processor of the terminal device, or a chip. The communication device 1100 may be used to perform operations performed by the terminal device or communication device in the above method embodiments.

When the communication device 1100 is a terminal device, FIG. 11 shows a simplified structural schematic diagram of the terminal device. As shown in Figure 11, the terminal device includes a processor, a memory, and a transceiver. The memory can store computer program code, and the transceiver includes a transmitter 1131, a receiver 1132, a radio frequency circuit (not shown in the figure), an antenna 1133, and an input and output device (not shown in the figure).

The processor is mainly used to process communication protocols and communication data, control terminal equipment, execute software programs, process data of software programs, etc. Memory is mainly used to store software programs and data. Radio frequency circuits are mainly used for conversion of baseband signals and radio frequency signals and processing of radio frequency signals. Antennas are mainly used to send and receive radio frequency signals in the form of electromagnetic waves. Input and output devices. For example, touch screens, display screens, keyboards, etc. are mainly used to receive data input by users and output data to users. It should be noted that some types of terminal equipment may not have input and output devices.

When data needs to be sent, the processor performs baseband processing on the data to be sent and then outputs the baseband signal to the radio frequency circuit. The radio frequency circuit performs radio frequency processing on the baseband signal and then sends the radio frequency signal out in the form of electromagnetic waves through the antenna. When data is sent to the terminal device, the radio frequency circuit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor. The processor converts the baseband signal into data and processes the data. For ease of explanation, only one memory, processor and transceiver are shown in Figure 11. In an actual terminal equipment product, there may be one or more processors and one or more memories. memory also It can be called storage medium or storage device, etc. The memory may be provided independently of the processor, or may be integrated with the processor, which is not limited in the embodiment of the present application.

In the embodiment of the present application, the antenna and the radio frequency circuit with the transceiver function can be regarded as the transceiver module of the terminal device, and the processor with the processing function can be regarded as the processing module of the terminal device.

As shown in Figure 11, the terminal device includes a processor 1110, a memory 1120 and a transceiver 1130. The processor 1110 may also be called a processing unit, a processing board, a processing module, a processing device, etc., and the transceiver 1130 may also be called a transceiver unit, a transceiver, a transceiver device, etc.

Alternatively, the components in the transceiver 1130 used to implement the receiving function may be regarded as receiving modules, and the components in the transceiver 1130 used to implement the transmitting function may be regarded as transmitting modules, that is, the transceiver 1130 includes a receiver and a transmitter. A transceiver may also be called a transceiver, a transceiver module, or a transceiver circuit. The receiver may also be called a receiver, receiving module, or receiving circuit. The transmitter may also be called a transmitter, transmitting module or transmitting circuit.

For example, in one implementation, the processor 1110 is used to perform processing actions on the terminal device side in the embodiments shown in Figures 3 and 6, and the transceiver 1130 is used to perform transceivers on the terminal device side in Figures 3 and 6. action.

For example, in one implementation, the processor 1110 is used to perform processing actions on the terminal device side in the embodiments shown in Figures 3 and 6, and the transceiver 1130 is used to perform transceiver actions on the terminal device side in Figures 3 and 4. action.

It should be understood that FIG. 11 is only an example and not a limitation. The above-mentioned terminal device including a transceiver module and a processing module may not rely on the structure shown in FIGS. 7 to 9 .

When the communication device 1100 is a chip, the chip includes a processor, a memory and a transceiver. The transceiver may be an input-output circuit or a communication interface; the processor may be a processing module, a microprocessor, or an integrated circuit integrated on the chip. The sending operation of the terminal device in the above method embodiment can be understood as the output of the chip, and the receiving operation of the terminal device in the above method embodiment can be understood as the input of the chip.

This application also provides a chip, including a processor, configured to call from a memory and run instructions stored in the memory, so that the communication device installed with the chip executes the methods in each of the above examples.

This application also provides another chip, including: an input interface, an output interface, and a processor. The input interface, the output interface, and the processor are connected through an internal connection path. The processor is used to execute the code in the memory. , when the code is executed, the processor is used to execute the methods in each of the above examples. Optionally, the chip also includes a memory for storing computer programs or codes.

This application also provides a processor, coupled to a memory, and used to execute the methods and functions involving network equipment or terminal equipment in any of the above embodiments.

In another embodiment of the present application, a computer program product containing instructions is provided. When the computer program product is run on a computer, the method of the aforementioned embodiment is implemented.

This application also provides a computer program. When the computer program is run in a computer, the methods of the aforementioned embodiments are implemented.

In another embodiment of the present application, a computer-readable storage medium is provided. The computer-readable storage medium stores a computer program. When the computer program is executed by a computer, the method described in the previous embodiment is implemented.

In the description of the embodiments of this application, unless otherwise specified, "plurality" means two or more than two. “At least one of the following” or similar expressions thereof refers to any combination of these items, including any combination of a single item (items) or a plurality of items (items). For example, at least one of a, b, or c can mean: a, b, c, a-b, a-c, b-c, or a-b-c, where a, b, c can be single or multiple .

In addition, in order to facilitate a clear description of the technical solutions of the embodiments of the present application, in the embodiments of the present application, words such as “first” and “second” are used to distinguish identical or similar items with basically the same functions and effects. Those skilled in the art can understand that words such as "first" and "second" do not limit the number and execution order, and words such as "first" and "second" do not limit the number and execution order. At the same time, in the embodiments of this application, words such as "exemplarily" or "for example" are used to represent examples, illustrations or explanations.

Any embodiment or design described as "exemplary" or "such as" in the embodiments of the present application is not to be construed as being preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete manner that is easier to understand.

In the description of the embodiments of this application, unless otherwise stated, "/" indicates that the related objects are in an "or" relationship, for example, A/B can mean A or B; "and/or" in this application is just an association relationship describing related objects, indicating that there can be three relationships, for example, A and/or B can mean: A alone exists , there are three situations: A and B exist at the same time, and B exists alone, where A and B can be singular or plural.

It will be understood that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic associated with the embodiment is included in at least one embodiment of the present application.

Thus, the appearances of "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures or characteristics may be combined in any suitable manner in one or more embodiments.

In various embodiments of the present application, the size of the serial numbers of the above-mentioned processes does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

It will be understood that reference throughout this specification to "an embodiment" means that a particular feature, structure, or characteristic associated with the embodiment is included in at least one embodiment of the present application.

Therefore, various embodiments are not necessarily referred to the same embodiment throughout this specification. Furthermore, the particular features, structures or characteristics may be combined in any suitable manner in one or more embodiments.

It can be understood that in the various embodiments of the present application, the size of the sequence numbers of each process does not mean the order of execution. The execution order of each process should be determined by its functions and internal logic, and should not be determined by the execution order of the embodiments of the present application. The implementation process constitutes no limitation.

Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented with electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each specific application, but such implementations should not be considered beyond the scope of this application.

Those skilled in the art can clearly understand that for the convenience and simplicity of description, the specific working processes of the systems, devices and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be described again here.

In the several embodiments provided in this application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated. to another system, or some features can be ignored, or not implemented.

On the other hand, the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.

A unit described as a separate component may or may not be physically separate. A component shown as a unit may or may not be a physical unit, that is, it may be located in one place, or it may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

Functions may be stored in a computer-readable storage medium when implemented in the form of software functional units and sold or used as independent products. Based on this understanding, the technical solutions of the embodiments of the present application are essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods of various embodiments of the present application. The aforementioned storage media include: U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk and other media that can store program codes.

The above are only specific implementation modes of the embodiments of the present application, but the protection scope of the embodiments of the present application is not limited thereto. Any person familiar with the technical field can easily think of changes within the technical scope disclosed in the embodiments of the present application. or replacement, all should be covered by the protection scope of the embodiments of this application. Therefore, the protection scope of the embodiments of the present application should be subject to the protection scope of the claims.

Claims

A resource configuration method, which is characterized by including:

The first communication device determines M symbols within the first time unit, the first X symbols of the M symbols are used to transmit automatic gain control symbols, and the M symbols are also used to transmit N sidelink positioning references signal, the N sidelink positioning reference signals include at least a first sidelink positioning reference signal and a second sidelink positioning reference signal, and the first sidelink positioning reference signal occupies the first symbol Set, the second sidelink positioning reference signal occupies a second symbol set, M is greater than or equal to 2, X is greater than or equal to 1, and N is greater than or equal to 2;

The first communication device transmits the automatic gain control symbols and the N sidelink positioning reference signals on the M symbols.
The method according to claim 1, characterized in that the M symbols are M consecutive symbols.
The method according to claim 1 or 2, characterized in that the first time unit includes any one of the following:

Time slot, subframe, or system frame.
The method according to any one of claims 1 to 3, characterized in that the first communication device sends the automatic gain control symbol and the N sidelink positioning reference signals on the M symbols, comprising:

The first communication device transmits the N sidelink positioning reference signals through K transmitting antennas, where K is greater than or equal to 2.
The method according to any one of claims 1 to 3, characterized in that the first communication device sends the automatic gain control symbol and the N sidelink positioning references on the M symbols. Signals, including:

The first communication device transmits the N sidelink positioning reference signals through L transmission beams, where L is greater than or equal to 2.
The method according to any one of claims 1 to 5, characterized in that any one of the following is satisfied between the first symbol set and the second symbol set:

One or more symbols of the second symbol set are not included between any two symbols in the first symbol set; or,

One or more symbols of the second symbol set are included between at least two symbols in the first symbol set.
The method according to any one of claims 1 to 6, characterized in that the method further includes:

The first communication device receives configuration information, and the configuration information is used to configure the M symbols.
The method according to claim 7, characterized in that:

The configuration information is also used to configure the first mapping rule between the K transmit antennas and the N sidelink positioning reference signals; or,

The configuration information is also used to configure a second mapping rule between the L transmit beams and the N sidelink positioning reference signals.
The method according to any one of claims 1 to 7, characterized in that the method further includes:

The first communication device receives the instruction information,

The indication information is used to indicate the first mapping rule between the K transmit antennas and the N sidelink positioning reference signals; or,

The indication information is used to indicate a second mapping rule between the L transmit beams and the N sidelink positioning reference signals.
The method according to claim 9, characterized in that the first communication device receives indication information, including:

The first communication device receives first information, the first information includes the indication information, and the first information is used to configure sidelink positioning parameters of the first communication device; or,

The first communication device receives sidelink control information, the sidelink control information includes the indication information, and the sidelink control information is used to schedule a sidelink shared channel. The link shared channel is used for sidelink data transmission; or,

The first communication device receives second information, the second information includes the indication information, and the second information is used to configure sidelink positioning reporting information.
The method according to claim 10, wherein the first information is also used to instruct the first communication device to enable antenna port switching capability.
The method according to claim 10 or 11, characterized in that the second information is also used to indicate at least one of the following:

Are different transmit beams or transmit antennas required to transmit sidelink positioning reference signals, or are available transmit beams or Transmitting antenna.
A communication device, characterized by including:

a processing unit, configured to determine M symbols within a first time unit, wherein first X symbols of the M symbols are used to transmit automatic gain control symbols, the M symbols are further used to transmit N sidelink positioning reference signals, the N sidelink positioning reference signals include at least a first sidelink positioning reference signal and a second sidelink positioning reference signal, the first sidelink positioning reference signal and the second sidelink positioning reference signal occupy different symbol sets, M is greater than or equal to 2, X is greater than or equal to 1, and N is greater than or equal to 2;

A transceiver unit, configured to send the automatic gain control symbols and the N sidelink positioning reference signals on the M symbols.
The device according to claim 13, characterized in that the M symbols are M consecutive symbols.
The device according to claim 13 or 14, characterized in that the first time unit includes any one of the following:

Time slot, subframe, or system frame.
The device according to any one of claims 13 to 15, wherein the transceiver unit is further configured to transmit the N sidelink positioning reference signals through K transmitting antennas, where K is greater than or equal to 2.
The device according to any one of claims 13 to 15, wherein the transceiver unit is further configured to transmit the N sidelink positioning reference signals through L transmit beams, where L is greater than or equal to 2.
The device according to any one of claims 13 to 17, characterized in that any one of the following is satisfied between the first symbol set and the second symbol set:

One or more symbols of the second symbol set are not included between any two symbols in the first symbol set; or,

One or more symbols of the second symbol set are included between at least two symbols in the first symbol set.
The device according to any one of claims 13 to 18, wherein the transceiver unit is further configured to receive configuration information, and the configuration information is used to configure the M symbols.
The device according to claim 19, characterized in that:

The configuration information is further used to configure a first mapping rule between the K transmit antennas and the N sidelink positioning reference signals; or,

The configuration information is also used to configure a second mapping rule between the L transmit beams and the N sidelink positioning reference signals.
The device according to any one of claims 13 to 19, characterized in that the transceiver unit is also used to receive indication information,

The indication information is used to indicate the first mapping rule between the K transmit antennas and the N sidelink positioning reference signals; or,

The indication information is used to indicate a second mapping rule between the L transmit beams and the N sidelink positioning reference signals.
The device according to claim 21, characterized in that the transceiver unit is also used to:

Receive first information, the first information including the indication information, the first information being used to configure sidelink positioning parameters of the communication device; or,

Receive sidelink control information, the sidelink control information includes the indication information, the sidelink control information is used to schedule a sidelink shared channel, and the sidelink shared channel is used to Sidelink data transmission; or,

Receive second information, where the second information includes the indication information, and the second information is used to configure sidelink positioning reporting information.
The device according to claim 22, wherein the first information is also used to instruct the communication device to enable antenna port switching capability.
The device according to claim 22 or 23, characterized in that the second information is also used to indicate at least one of the following:

Whether different transmit beams or transmit antennas are required to transmit the sidelink positioning reference signal, or the available transmit beams or transmit antennas.
A communication device, characterized in that it includes a processor, and the processor is configured to cause the communication device to execute the method described in any one of claims 1-10 by executing a computer program or instruction, or by a logic circuit. method.
The communication device according to claim 25, wherein the communication device further includes a memory for storing the computer program or instructions.
The communication device according to claim 25 or 26, characterized in that the communication device further includes a communication interface, and the communication device The signal interface is used for input and/or output signals.
A communication device, characterized in that it includes a logic circuit and an input-output interface, the input-output interface is used to input and/or output signals, and the logic circuit is used to perform the method described in any one of claims 1-12. method.
A computer-readable storage medium, characterized by comprising a computer program or instructions, which when the computer program or instructions are run on a computer, causes the method of any one of claims 1-12 to be executed.
A computer program product, characterized in that it contains instructions that, when run on a computer, cause the method of any one of claims 1-12 to be executed.
A computer program, characterized in that when it is run on a computer, the method described in any one of claims 1-12 is executed.