WO2024061268A1 - Procédé de configuration de ressource et appareil de communication - Google Patents

Procédé de configuration de ressource et appareil de communication Download PDF

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Publication number
WO2024061268A1
WO2024061268A1 PCT/CN2023/120045 CN2023120045W WO2024061268A1 WO 2024061268 A1 WO2024061268 A1 WO 2024061268A1 CN 2023120045 W CN2023120045 W CN 2023120045W WO 2024061268 A1 WO2024061268 A1 WO 2024061268A1
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WO
WIPO (PCT)
Prior art keywords
symbols
sidelink
information
communication device
positioning reference
Prior art date
Application number
PCT/CN2023/120045
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English (en)
Chinese (zh)
Inventor
王明哲
黄甦
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Publication of WO2024061268A1 publication Critical patent/WO2024061268A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present application relates to the field of communication technology, and more specifically, to a resource configuration method and a communication device.
  • the positioning function is implemented based on the location management function (LMF).
  • LMF location management function
  • 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.
  • PRS positioning reference signal
  • RSRP PRS-reference signal received power
  • 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.
  • a resource configuration method 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 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
  • 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.
  • 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.
  • the present application can realize the transmission of the sidelink positioning reference signal with a lower overhead of automatic gain control symbols.
  • this application can also reduce the reception complexity of the receiving end.
  • the M symbols are M consecutive symbols.
  • the first time unit includes any of the following: a time slot, a subframe, or a system frame.
  • the first time unit 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.
  • this application supports time domain resource scheduling across time slots/subframes/system frames.
  • 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.
  • 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.
  • 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.
  • a second mapping rule between multiple transmission beams and multiple sidelink positioning reference signals can be established.
  • 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.
  • 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.
  • 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.
  • the method further includes: the first communication device receiving configuration information, the configuration information being used to configure the M symbols.
  • 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.
  • 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.
  • 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.
  • 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.
  • this increases the flexibility of instructions.
  • 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 .
  • 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.
  • the first information is also used to instruct the first communication device to enable the antenna port switching capability.
  • 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.
  • 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.
  • 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.
  • the sidelink control information is also used to indicate the transmission mode of the sidelink positioning reference signal.
  • a communication device 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 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
  • 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
  • the M symbols are M consecutive symbols.
  • the first time unit includes any of the following: a time slot, a subframe, or a system frame.
  • the transceiver unit is also configured to transmit N sidelink positioning reference signals through K transmitting antennas, K ⁇ 2.
  • the transceiver unit is also configured to transmit N sidelink positioning reference signals through L transmitting antennas, L ⁇ 2.
  • 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.
  • the transceiver unit is also configured to receive configuration information, and the configuration information is used to configure the M symbols.
  • 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.
  • 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.
  • 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.
  • the first information is also used to instruct the first communication device to enable the antenna port switching capability.
  • 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.
  • the sidelink control information is also used to indicate the transmission mode of the sidelink positioning reference signal.
  • a communication device 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.
  • the communication device further includes a memory, the memory being used to store the computer program or instructions.
  • the communication device further includes a communication interface, the communication interface being used for inputting and/or outputting signals.
  • a communication device 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.
  • a computer-readable storage medium including a computer program or instructions.
  • the 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.
  • a computer program product 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.
  • 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.
  • 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.
  • 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.
  • core network core network
  • CN core network
  • 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.
  • DC dual connectivity
  • 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.
  • 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.
  • 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 .
  • V2X vehicle-to-everything
  • IAB integrated access and backhaul
  • RIS reconfigurable intelligent surface
  • 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.
  • UE user equipment
  • access terminal subscriber unit (subscriber unit)
  • 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 5
  • 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.
  • 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.
  • RAN radio access network
  • RAN radio access network
  • RAN radio access network
  • eNB evolved Node B
  • PLMN public land mobile network
  • BNG broadband network service gateway
  • 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.
  • 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.
  • the terminal device 120 and the terminal device 130 can be any one of the terminal devices listed above
  • the network device 110 can be any one of the network devices listed above.
  • 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).
  • the network device 110 can also use an access and mobility management function (AMF) to Connect with LMF.
  • AMF access and mobility management function
  • 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.
  • 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)
  • the second measurement value corresponds to the second PRS (sent by the network device 140).
  • 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).
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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:
  • DL-PRS 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.
  • AGC automatic gain control
  • GAP gap
  • 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.
  • PSSCH physical side-link shared channel
  • PSFCH physical side-link feedback channel
  • S-SSB secondary synchronization signal and PBCH block
  • OFDM orthogonal frequency division multiplexing
  • GAP symbols the OFDM symbol immediately following the last symbol used for PSSCH, PSFCH or S-SSB serve as a guard symbol
  • 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).
  • 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.
  • DMRS demodulation reference signal
  • PT-RS channel state information
  • CSI channel state information
  • S-PRS side-link positioning reference signal
  • 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).
  • 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.
  • FIG. 2 is a schematic diagram of the time domain resource configuration of SL-PRS.
  • 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
  • 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.
  • 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.
  • 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.
  • 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.
  • method 300 includes:
  • 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.
  • 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.
  • the first SL-PRS occupies the first symbol set
  • 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.
  • the number of symbols in each symbol set may be one or multiple, which is not limited by this application.
  • 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.
  • 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. .
  • 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.
  • 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.
  • this application also supports sidelink positioning between other signal participating devices. For example, sounding reference signal (SRS), or side-link control information (SCI), etc.
  • SRS sounding reference signal
  • SCI side-link control information
  • 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.
  • 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.
  • the time domain resource of the first SL-PRS includes an AGC symbol and a GAP symbol
  • the time domain resource of the second SL-PRS also includes an AGC symbol and a GAP symbol.
  • 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.
  • 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.
  • the present application can complete the transmission of SL-PRS with a lower overhead of AGC symbols.
  • this application can also reduce the reception complexity of the receiving end.
  • 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.
  • S320 can also include:
  • the first communication device transmits N SL-PRS through K transmitting antennas, K ⁇ 2.
  • the first mapping rule is satisfied between the K transmit antennas and the N sidelink positioning reference signals.
  • the first communication device selects a corresponding transmit antenna from the K transmit antennas to transmit the corresponding SL-PRS.
  • 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.
  • 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.
  • 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.
  • 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.
  • a first mapping rule between multiple transmit antennas and multiple SL-PRS can be established.
  • 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.
  • 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.
  • S320 can include:
  • the first communication device transmits N SL-PRS through L transmission beams, L ⁇ 2.
  • the second mapping rule is satisfied between the L transmit beams and the N sidelink positioning reference signals.
  • the first communication device selects a corresponding transmit beam from the L transmit beams to transmit the corresponding SL-PRS.
  • 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.
  • 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.
  • 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.
  • a second mapping rule between the multiple transmit beams and the multiple SL-PRS may be established.
  • 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.
  • 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
  • the angles between multiple SL-PRS can be determined, and ultimately the sidelink link positioning between devices is completed.
  • 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.
  • a protocol for example, 3GPP protocol
  • 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.
  • 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.
  • 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.
  • the above configuration information #1 can also be used to configure the first mapping rule and/or the second mapping rule.
  • the first time unit includes any of the following: time slot, subframe, or system frame.
  • the first time unit 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.
  • this application supports time domain resource scheduling across time slots/subframes/system frames.
  • 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.
  • the second mapping rule may include:
  • the first SL-PRS is mapped to the first transmission beam
  • the second SL-PRS is mapped to the second transmission beam.
  • 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.
  • the second transmitting beam may be an adjacent transmitting beam whose power differs from the first transmitting beam by a fixed value.
  • the fixed value may be 10-15dBm, or may be other values.
  • 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.
  • the present application can realize the transmission of SL-PRS with a lower overhead of AGC symbols.
  • this application can also reduce the reception complexity of the receiving end.
  • 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).
  • 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
  • symbol B corresponds to the time domain resource of the second SL-PRS shown in Figure 2
  • At least one symbol B is included between at least two symbols A; (Mapping rule #2)
  • At least one symbol A is included between at least two symbols B.
  • 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.
  • any two symbols A that do not include symbol B can be: AABB.
  • 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.
  • 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.
  • 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.
  • the number of GAP symbols is 1
  • the first SL-PRS occupies 2 symbols
  • 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).
  • FIG. 5 is a schematic diagram of the second mapping rule according to the embodiment of the present application.
  • 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).
  • 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.
  • the indication may be made through indication information.
  • 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.
  • the indication information also includes any one of the following: downlink control information (DCI), dynamic signaling such as SCI and PSSCH.
  • DCI downlink control information
  • SCI dynamic signaling
  • PSSCH PSSCH
  • the second communication device may indicate through part of the bits.
  • G bits represent 2G bit combinations, and different bit combinations represent different mapping rules.
  • the G bits may be reserved bits on DCI, SCI and PSSCH or new domains/new bits for dynamic signaling.
  • the second communication device may indicate whether to use the aforementioned few ACG symbol mode through one or more bits.
  • 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.
  • first mapping rule and second mapping rule may also be predefined.
  • 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.
  • 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.
  • 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.
  • the first communication device may receive the indication information from multiple sources.
  • 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.
  • 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.
  • this increases the flexibility of instructions.
  • 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.
  • method 600 includes:
  • the terminal device 120 receives configuration information #1, which is used to configure the above M symbols.
  • 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.
  • 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.
  • the terminal device 120 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.
  • 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 .
  • the network device 110 sends RRC signaling to the terminal device 120, where the RRC signaling includes the first information.
  • the first information is stored in the terminal device 120 through preconfigured technical means (for example, factory settings).
  • the first information may also include configuration information #1.
  • 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.
  • the first information can also be statically configured and does not need to be updated quickly. In this way, signaling overhead can be saved.
  • 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.
  • 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.
  • the SL positioning parameters may also include: using a multi-AGC symbol mode or a few-AGC symbol mode.
  • 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.
  • 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.
  • 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.
  • the SL positioning request information can also carry quality of service (QoS) indicators, such as delay, accuracy and other information.
  • QoS quality of service
  • the SL positioning request information sent by the terminal device 120 to the terminal device 130 may also include configuration information #1.
  • the terminal device 130 sends second information to the terminal device 120 for configuring SL positioning reporting information.
  • the terminal device 120 receives the second information sent from the terminal device 130 .
  • the second information can be configured between the terminal device 120 and the terminal device 130 through PC5-RRC signaling.
  • the SL positioning reporting information includes at least one of the following:
  • Positioning measurement reporting type For example: SL-AOD, SL-time of arrival (TOA), SL-relative time of arrival (RTOA), etc.
  • 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;
  • Tx panel Available transmitting panel
  • Tx port transmitting antenna
  • 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.
  • the terminal device 120 sends SCI#A to the terminal device 130.
  • 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.
  • 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.
  • the terminal device 120 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.
  • 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.
  • DCI#A can also indicate the multi-AGC symbol mode or the low-AGC symbol mode through reserved bits or new SCI fields.
  • 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.
  • 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.
  • SCI#A can also indicate the multi-AGC symbol mode or the low-AGC symbol mode through reserved bits or a new SCI field.
  • this application does not add additional dynamic signaling overhead.
  • 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.
  • the terminal device 130 can perform corresponding SL-PRS measurement according to SCI#A.
  • the number of trigger status bits in SCI#A can be configured through the first information.
  • 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.
  • 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.
  • PSSCH#A can be used by the terminal device 120 to determine the strongest transmit beam or AGC symbol.
  • the terminal device 120 sends SL-PRS#A to the terminal device 130.
  • SL-PRS#A corresponds to the toggle state in SCL#A.
  • 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.
  • the SL-PRS#A sent by the terminal device 120 to the terminal device 130 can be used for AOD measurement.
  • the present application can support sidelink positioning between devices with a lower overhead of AGC symbols.
  • the method 400 may further include:
  • the terminal device 130 sends SCI#B to the terminal device 120.
  • the terminal device 120 receives the SCI#B sent from the terminal device 130 .
  • SCI#B please refer to the description of SCI#A, and will not be repeated here.
  • the terminal device 130 sends PSSCH#B to the terminal device 120.
  • the terminal device 120 receives the PSSCH#B sent from the terminal device 130.
  • PSSCH#B please refer to the description of PSSCH#A, which will not be described again here.
  • the terminal device 130 sends SL-PRS#B to the terminal device 120.
  • the terminal device 120 receives the SL-PRS#B sent from the terminal device 130.
  • SL-PRS#B please refer to the description of SL-PRS#A, which will not be described again here.
  • the present application can support sidelink positioning between devices with a lower overhead of AGC symbols.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • FIG. 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.
  • 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.
  • RAM random access memory
  • ROM read-only memory
  • EPROM erasable programmable read only memory
  • CD-ROM Compact disc read-only memory
  • the processor 710 may be one or more central processing units (CPUs).
  • CPUs central processing units
  • the CPU may be a single-core CPU or a multi-core CPU.
  • 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 .
  • 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.
  • 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.
  • 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.
  • the first communication device may be a terminal device or a network device.
  • FIG. 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.
  • 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;
  • 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.
  • the processing unit 820 is configured to perform content related to processing, coordination and other steps of the first communication device.
  • 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.
  • the communication device 800 further includes a storage unit 830, which is used to store programs or codes for performing the foregoing method.
  • the communication device 800 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.
  • 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.
  • 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
  • the receiving unit is used to perform the receiving action of the communication device.
  • 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.
  • 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.
  • 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.
  • the processor 910 implements the functions implemented by the network device or the terminal device by executing instructions stored in the memory.
  • the communication device 900 further includes a memory.
  • processor and memory are integrated together.
  • the memory is outside the communication device 900 .
  • 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 may be a signal processor, a chip, or other integrated circuits that can implement the methods of the embodiments of the present application.
  • FIG. 9 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.
  • FIG. 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 .
  • FIG. 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.
  • 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.
  • 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.
  • 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 .
  • 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 .
  • 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 .
  • 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 .
  • the chip 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.
  • FIG 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.
  • FIG. 11 shows a simplified structural schematic diagram of the terminal device.
  • the terminal device includes a processor, a memory, and a transceiver.
  • the memory can store computer program code
  • 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.
  • the processor 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the transceiver 1130 may also be called a transceiver unit, a transceiver, a transceiver device, etc.
  • 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.
  • 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.
  • 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.
  • 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 .
  • the chip 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.
  • 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.
  • a computer program product containing instructions is provided.
  • the method of the aforementioned embodiment is implemented.
  • This application also provides a computer program.
  • the computer program is run in a computer, the methods of the aforementioned embodiments are implemented.
  • a computer-readable storage medium stores a computer program.
  • the computer program is executed by a computer, the method described in the previous embodiment is implemented.
  • plural 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 .
  • 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.
  • words such as “exemplarily” or “for example” are used to represent examples, illustrations or explanations.
  • 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.
  • 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.
  • the disclosed systems, devices and methods can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or integrated. to another system, or some features can be ignored, or not implemented.
  • 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.
  • 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.
  • 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.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande concerne un procédé de configuration de ressource et un appareil de communication. Le procédé comprend : un premier appareil de communication qui détermine des symboles M dans une première unité temporelle, de premiers symboles X parmi les symboles M étant utilisés pour transmettre un symbole de commande de gain automatique, les symboles M étant en outre utilisés pour transmettre des signaux de référence de positionnement de liaison latérale N, les signaux de référence de positionnement de liaison latérale N comprenant au moins un premier signal de référence de positionnement de liaison latérale et un second signal de référence de positionnement de liaison latérale, le premier signal de référence de positionnement de liaison latérale occupant un premier ensemble de symboles, le second signal de référence de positionnement de liaison latérale occupant un second ensemble de symboles, M ≥ 2, X ≥ 1, et N ≥ 2 ; et le premier appareil de communication envoie sur les symboles M le symbole de commande de gain automatique et les signaux de référence de positionnement de liaison latérale N. Au moyen de ladite solution technique, la présente demande peut achever la transmission de signaux de référence de positionnement de liaison latérale avec un surdébit relativement faible de symboles de commande de gain automatique.
PCT/CN2023/120045 2022-09-24 2023-09-20 Procédé de configuration de ressource et appareil de communication WO2024061268A1 (fr)

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