WO2024037651A1 - Procédé et appareil de transmission d'informations, terminal et support de stockage lisible - Google Patents

Procédé et appareil de transmission d'informations, terminal et support de stockage lisible Download PDF

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Publication number
WO2024037651A1
WO2024037651A1 PCT/CN2023/113947 CN2023113947W WO2024037651A1 WO 2024037651 A1 WO2024037651 A1 WO 2024037651A1 CN 2023113947 W CN2023113947 W CN 2023113947W WO 2024037651 A1 WO2024037651 A1 WO 2024037651A1
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WO
WIPO (PCT)
Prior art keywords
side link
link channel
domain resource
time domain
pscch
Prior art date
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PCT/CN2023/113947
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English (en)
Chinese (zh)
Inventor
彭淑燕
王园园
邬华明
Original Assignee
维沃移动通信有限公司
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Publication of WO2024037651A1 publication Critical patent/WO2024037651A1/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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • 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
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • This application belongs to the field of communication technology, and specifically relates to an information transmission method, device, terminal and readable storage medium.
  • SL sidelink
  • UE User Equipment
  • PRS SL Positioning Reference Signal
  • Embodiments of the present application provide an information transmission method, device, terminal and readable storage medium, which can solve the problem of how to transmit side link control information of scheduled positioning information.
  • an information transmission method which method includes:
  • the terminal transmits side link control information, the side link control information is used to schedule the first positioning information, and the side link control information is carried on the side link channel.
  • an information transmission device including:
  • a transmission module configured to transmit side link control information, where the side link control information is used to schedule the first positioning information, and the side link control information is carried on a side link channel.
  • a terminal in a third aspect, includes a processor and a memory.
  • the memory stores programs or instructions that can be run on the processor.
  • the program or instructions are executed by the processor, the following implementations are implemented: The steps of the method described in one aspect.
  • a terminal including a processor and a communication interface, wherein the communication interface is used to transmit side link control information, and the side link control information is used to schedule first positioning information.
  • Link control information is carried on side link channels.
  • a fifth aspect provides a communication system, including: a terminal and a network side device.
  • the terminal can be used to perform the steps of the information transmission method as described in the first aspect.
  • the network side device can be used to schedule resources for the terminal.
  • a readable storage medium is provided. Programs or instructions are stored on the readable storage medium. The program The steps of the method described in the first aspect are implemented when the program or instructions are executed by the processor.
  • a chip in a seventh aspect, includes a processor and a communication interface.
  • the communication interface is coupled to the processor.
  • the processor is used to run programs or instructions to implement the method described in the first aspect. A step of.
  • a computer program/program product is provided, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the method described in the first aspect Method steps.
  • the terminal can transmit side link control information, the side link control information is used to schedule the first positioning information, and the side link control information is carried on the side link channel. In this way, the transmission of side link control information can be realized.
  • Figure 1 is a block diagram of a wireless communication system applicable to the embodiment of the present application.
  • Figure 2 is a flow chart of an information transmission method provided by an embodiment of the present application.
  • Figure 3A, Figure 3B, Figure 3C, Figure 3D, Figure 3E, Figure 3F, Figure 3G, Figure 3H and Figure 3I are one of the schematic diagrams of the resource occupation mode in the embodiment of the present application;
  • Figure 4A, Figure 4B, Figure 4C, Figure 4D, Figure 4E, Figure 4F, Figure 4G, Figure 4H and Figure 4I are the second schematic diagram of the resource occupation mode in the embodiment of the present application;
  • FIGS 5A, 5B, 5C and 5D are schematic diagrams of resource mapping methods in embodiments of the present application.
  • Figure 6A, Figure 6B and Figure 6C are schematic diagrams of resource multiplexing methods in embodiments of the present application.
  • Figure 7 is a schematic structural diagram of an information transmission device provided by an embodiment of the present application.
  • Figure 8 is a schematic structural diagram of a terminal provided by an embodiment of the present application.
  • Figure 9 is a schematic structural diagram of another terminal provided by an embodiment of the present application.
  • first, second, first level”, “second level”, etc. in the description and claims of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. order. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and “first” and “second” are intended to distinguish It is usually one type, and the number of objects is not limited.
  • the first object can be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the related objects are in an "or” relationship.
  • LTE Long-term evolution
  • LTE-Advanced, LTE-A Long-term evolution
  • LTE-Advanced, LTE-A Long-term evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency Division Multiple Access
  • NR New Radio
  • FIG. 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12.
  • the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a handheld computer, a netbook, or a super mobile personal computer.
  • Tablet Personal Computer Tablet Personal Computer
  • laptop computer laptop computer
  • PDA Personal Digital Assistant
  • PDA Personal Digital Assistant
  • UMPC ultra-mobile personal computer
  • UMPC mobile Internet device
  • MID mobile Internet device
  • augmented reality augmented reality, AR
  • VR virtual reality
  • robots wearable devices
  • Vehicle user equipment VUE
  • pedestrian terminal pedestrian terminal
  • PUE pedestrian terminal
  • smart home home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.
  • game consoles personal computers (personal computer, PC), teller machine or self-service machine and other terminal-side devices.
  • Wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets) bracelets, smart anklets, etc.), smart wristbands, smart clothing, etc.
  • the network side equipment 12 may include access network equipment or core network equipment, where the access network equipment may also be called wireless access network equipment, radio access network (Radio Access Network, RAN), radio access network function or wireless access network unit.
  • Access network equipment can include base stations, Wireless Local Area Network (WLAN) access points or Wireless Fidelity (WiFi) nodes, etc.
  • the base station can be called Node B, Evolved Node B (Evolved Node B).
  • the base station is not limited to specific technical terms. It needs to be explained that , in the embodiment of this application, only the base station in the NR system is taken as an example for introduction, and the specific type of the base station is not limited.
  • a side link may also be called a secondary link, a side link, an edge link, etc., and is not limited thereto.
  • the SL resource allocation mode can include two modes, one is mode1, which schedules resources for the base station; the other is mode2, where the terminal decides what resources to use for transmission.
  • the resource information may come from the base station. broadcast messages or preconfigured information, etc. If the terminal works within the range of the base station and has a Radio Resource Control (RRC) connection with the base station, it can work in mode1 and/or mode2; if the terminal works within the range of the base station but has no RRC connection with the base station, it can only work In mode2. If the terminal is outside the range of the base station, it can only work in mode2 and perform Vehicle-to-Everything (V2X) transmission based on preconfigured information.
  • RRC Radio Resource Control
  • SL PRS can be introduced.
  • SL PRS can be located in a dedicated resource pool or a shared resource pool.
  • SL PRS and other signals can be time division multiplexing (TDM) and/or frequency division multiplexing (Frequency Division Multiplex, FDM).
  • SL PRS refers to the reference signal used for SL positioning, which can be the existing SL reference signal (Reference Signal, RS) and enhancement, or the newly defined SL PRS, or the SL detection reference signal ( Sounding Reference Signal, SRS), etc., there is no limit to this.
  • RS Reference Signal
  • SRS Sounding Reference Signal
  • channels in the side link may include: Physical Sidelink Control Channel (PSCCH), Physical Sidelink Shared Channel (PSSCH), Physical Sidelink Broadcast Channel ( Physical Sidelink Broadcast Channel (PSBCH), Physical Sidelink Discovery Feedback Channel (PSFCH), etc.
  • PSSCH allocates resources in units of sub-channels, and adopts a continuous resource allocation method in the frequency domain.
  • the time domain resource of PSCCH is the number of symbols configured by the higher layer, and the frequency domain size is the parameter configured by the higher layer.
  • the frequency domain resource of PSCCH is limited to less than or equal to the size of one subchannel, and PSCCH is located within the range of the lowest subchannel of PSSCH.
  • Figure 2 is a flow chart of an information transmission method provided by an embodiment of the present application. The method is applied to a terminal. As shown in Figure 2, the method includes the following steps:
  • Step 21 The terminal transmits side link control information.
  • the side link control information is used to schedule the first positioning information, and the side link control information is carried on the side link channel.
  • the terminal can transmit side link control information, or it can be said that the terminal can send and/or receive side link control information. In this way, the transmission of side link control information can be realized.
  • the above-mentioned first positioning information may include, but is not limited to, at least one of the following:
  • the schedulable information of the side link control information also includes but is not limited to SL channel state information reference signal (Channel State Information Reference Signal, CSI-RS), SL channel state information (Channel State Information, CSI) report (report ), SL phase-tracking reference signal (PTRS), SL PSSCH, SL PSFCH, SL coordination information, SL coordination information request, etc.
  • the side link control information may be one-level control information or two-level control information.
  • the above-mentioned side link control information may include first level control information and second level control information.
  • the first level control information is carried on the first side link channel
  • the second level control information is carried on the first side link channel.
  • Control information is carried on the second side link channel.
  • the first-level control information can be used to schedule the second-level control information to facilitate the expansion of the second-level control information, or the first-level control information can be used to schedule the first positioning information; optionally
  • the second level control information may be used for scheduling the first positioning information.
  • the control information is carried on the PSCCH or on the PSSCH, and the control information is used for scheduling the first positioning information.
  • the first side link channel is a first PSCCH
  • the second side link channel is a second PSCCH, that is, the first side link channel and the second side link channel are different PSCCH.
  • the demodulation reference signal (Demodulation Reference Signal, DMRS) does not need to be redesigned/expanded, and since the second PSCCH does not require blind detection, the blind detection overhead of the terminal will not increase.
  • the first side link channel is PSCCH
  • the second side link channel is PSSCH.
  • the first-level control information may be equivalent to the first-level sidelink control information (SCI) and may be carried on the PSCCH (such as the first PSCCH).
  • SCI first-level sidelink control information
  • the content carried includes but is not limited to: Priority, frequency domain resource allocation, time domain resource allocation, resource reservation period, DMRS pattern, second-level SCI format, beta offset value indication, number of DMRS ports, modulation and coding scheme (MCS), MCS Table indication, PSFCH overhead indication, reservation information, conflict information reception flag, etc.
  • the second level control information can be equivalent to the second level SCI, can be carried on the PSCCH (such as the second PSCCH) or PSSCH, and can be scheduled by the first level SCI.
  • the following description of the first side link channel (such as PSCCH or the first PSCCH) can be replaced by the description of the first level control information; the following description of the second side link channel
  • the description of the channel (such as PSSCH or the second PSCCH) can be replaced by the description of the second-level control information.
  • the above-mentioned second side link channel such as the second PSCCH or PSSCH, can satisfy at least one of the following:
  • the second side link channel is not mapped on the time domain resource unit where the first side link channel is located, or the second side link channel is mapped starting from the first time domain resource unit; wherein, the first time domain resource unit is The domain resource unit satisfies any of the following: after the last time domain resource unit of the first side link channel, and separated from the last time domain resource unit by N1 time domain resource units; in the first side link channel after the first time domain resource unit and separated from the first time domain resource unit by N2 time domain resource units; before the last time domain resource unit of the first side link channel and separated from the last time domain resource unit
  • One time domain resource unit is spaced N3 time domain resource units; before the first time domain resource unit of the first side link channel, and spaced N4 time domain resource units from the first time domain resource unit; so
  • the N1 is greater than or equal to 1
  • the N2 is greater than or equal to 1
  • the N3 is greater than or equal to 1
  • the N4 is greater than or equal to 1. This ensures that the first side link
  • the second PSCCH is not mapped on the time domain resource unit where the first PSCCH is located, or the The second PSCCH is mapped starting from the first time domain resource unit; wherein the first time domain resource unit satisfies any of the following: after the last time domain resource unit of the first PSCCH, and with the last time domain resource unit
  • the time domain resource unit is spaced N1 time domain resource units; after the first time domain resource unit of the first PSCCH, and spaced N2 time domain resource units from the first time domain resource unit; in the Before the last time domain resource unit of the first PSCCH and separated from the last time domain resource unit by N3 time domain resource units; before the first time domain resource unit of the first PSCCH and separated from the The first time domain resource unit is separated by N4 time domain resource units.
  • the PSSCH is not mapped on the time domain resource unit where the PSCCH is located, or the PSSCH is obtained from the first time domain resource.
  • the unit starts mapping; wherein the first time domain resource unit satisfies any of the following: after the last time domain resource unit of the PSCCH and separated from the last time domain resource unit by N1 time domain resource units ; After the first time domain resource unit of the PSCCH, and separated from the first time domain resource unit by N2 time domain resource units; before the last time domain resource unit of the PSCCH, and separated from the first time domain resource unit;
  • the last time domain resource unit is spaced N3 time domain resource units; it is before the first time domain resource unit of the PSCCH and is spaced N4 time domain resource units from the first time domain resource unit.
  • the second side link channel begins after the last time domain resource unit of the first side link channel, and the last time domain resource unit is separated by 1 time domain resource unit. Domain resource unit mapping begins.
  • the first side link channel and the second side link channel can be selected as time division multiplexing TDM, as shown in Figure 3A and Figure 4A.
  • TDM time division multiplexing
  • the time domain resource unit includes at least one of the following: symbol (s), mini-slot (s), slot (s), millisecond (ms(s) )), second (s(s)), subframe (subframe(s)), frame (frame(s)), etc.
  • the time domain resource unit is a symbol.
  • the frequency domain resources of the second side link channel are the same as the frequency domain resources of the first side link channel, so that when different terminals send the first level/second level control information, the frequency domain resources It's better to align on top.
  • the frequency domain resources being the same may mean that the frequency domain resources are the same in size and/or location.
  • the frequency domain resources and/or time domain resources of the second side link channel may be resources determined based on at least one of the following: predefinition, preconfiguration, configuration, and indication.
  • the size and/or location of frequency domain resources may be predefined/preconfigured/configured/indicated
  • the size and/or location of time domain resources may be predefined/preconfigured/configured/indicated.
  • the predefined/configured time domain resource is 1symbol.
  • the predefined/configured time domain position is symbol 2.
  • the second side link channel is mapped within the time domain resource range of the first side link channel.
  • the second PSCCH is mapped within the time domain resource range of the first PSCCH.
  • the PSSCH is mapped within the time domain resource range of the PSCCH.
  • the first side link channel and the second side link channel can be selected as frequency division multiplexing FDM, as shown in Figure 3B and Figure 4B.
  • FDM frequency division multiplexing
  • the time domain resource unit includes at least one of the following: symbols, mini-slots, time slots, milliseconds, seconds, subframes, frames, etc.
  • the time domain resource unit is a symbol.
  • the time domain resource of the second side link channel may satisfy at least one of the following:
  • the size and/or location of the time domain resource of the second side link channel is determined based on at least one of the following: predefinition, preconfiguration, configuration, indication; for example, the time domain resource of the second side link channel can be predefined at The second symbol of SL resource/SL PSSCH/SL PRS resource starts mapping;
  • the time domain resource position of the second side link channel is the same as the time domain resource position of the first side link channel
  • the number of time domain resource units of the second side link channel is equal to the number of time domain resource units of the first side link channel
  • the number of time domain resource units of the second side link channel is smaller than the number of time domain resource units of the first side link channel.
  • the time domain resource unit of the second side link channel can be mapped from the starting position or the preset position of the first side link channel; or, the time domain resource unit of the second side link channel
  • the end position of the unit may be mapped to the end position of the first side link channel or a preset position.
  • the frequency domain resource of the second side link channel may satisfy at least one of the following:
  • the size and/or location of the frequency domain resource of the second side link channel is determined based on at least one of the following: predefinition, preconfiguration, configuration, indication; for example, the size of the frequency domain resource of the second side link channel is greater than Or equal to the size of the frequency domain resource of the first side link channel.
  • the number of frequency domain resource units of the second side link channel is equal to the number of frequency domain resource units of the first side link channel
  • this frequency domain resource unit may be a subchannel, and this subchannel may be a preset/preconfigured frequency domain resource scheduling/allocation unit; the second frequency domain resource unit may be determined based on the frequency domain resource unit number indication of the first side link channel. Side link channel.
  • the second side link channel is mapped within the resource range of M1 frequency domain resource units, and M1 is greater than 0.
  • the second side link A channel can satisfy at least one of the following:
  • the second side link channel is mapped from the lowest frequency domain resource unit (such as subchannel) among the M1 frequency domain resource units, or the second side link channel is mapped from the M1 frequency domain resource units.
  • the lowest physical resource block (PRB) of the lowest frequency domain resource unit (such as subchannel) starts mapping; at this time, the M1 frequency domain resource units do not include the first side link channel (such as PSCCH/first PSCCH) Resources;
  • the second side link channel (such as PSSCH/second PSCCH) is always mapped from the starting position of the subchannel to ensure that it does not overlap with the first side link channel;
  • the second side link channel is not mapped within the resources of the first side link channel; or, when mapping the second side link channel, rate matching or hole punching is performed on the first side link channel; at this time, M1
  • the frequency domain resource unit includes the resources of the first side link channel (such as the first PSCCH); as shown in Figure 5A and Figure 5C, the second side link channel (such as the PSSCH/second PSCCH) is not mapped on the first side link channel (such as PSCCH/first PSCCH).
  • rate matching does not lose the information of the second side link channel, avoids the resources of the first side link channel, and then continues to map the information to be mapped on the available resources. For example: on symbol 1, if the second side link channel requires 4 frequency domain resource units and the first side link requires 2 frequency domain resource units, the second side link channel will avoid these 2 frequency domain resources. unit is mapped. Puncturing is to lose part of the information of the second side link channel, and the resources that should be mapped to the first side link channel are not mapped, and subsequent information is mapped as if there is no first side link channel transmission.
  • the second side link channel is mapped starting from the first frequency domain resource unit; wherein the first frequency domain resource unit satisfies any of the following: after the last frequency domain resource unit of the first side link channel, and M2 frequency domain resource units are separated from the last frequency domain resource unit; after the first frequency domain resource unit of the first side link channel, and M3 frequency domain resource units are separated from the first frequency domain resource unit; at Before the last frequency domain resource unit of the first side link channel, and separated from the last frequency domain resource unit by M4 frequency domain resource units; before the first frequency domain resource unit of the first side link channel, and separated from the last frequency domain resource unit.
  • the first frequency domain resource unit is separated by M5 frequency domain resource units; M2 is greater than or equal to 1, M3 is greater than or equal to 1, M4 is greater than or equal to 1, and M5 is greater than or equal to 1.
  • the second PSCCH starts mapping from the first frequency domain resource unit; wherein the first frequency domain resource unit satisfies Any of the following: after the last frequency domain resource unit of the first PSCCH and separated from the last frequency domain resource unit by M2 frequency domain resource units; after the first frequency domain resource unit of the first PSCCH After that, and separated from the first frequency domain resource unit by M3 frequency domain resource units; before the last frequency domain resource unit of the first PSCCH, and separated from the last frequency domain resource unit by M4 frequency domain resource units; Before the first frequency domain resource unit of the first PSCCH, and separated from the first frequency domain resource unit by M5 frequency domain resource units.
  • the PSSCH is mapped starting from the first frequency domain resource unit; wherein the first frequency domain resource unit satisfies any of the following: in the PSCCH After the last frequency domain resource unit of the PSCCH, and separated from the last frequency domain resource unit by M2 frequency domain resource units; after the first frequency domain resource unit of the PSCCH, and separated from the first frequency domain resource unit by M3 frequency domain resources unit; before the last frequency domain resource unit of the PSCCH, and separated from the last frequency domain resource unit by M4 frequency domain resource units; before the first frequency domain resource unit of the PSCCH, and separated from the first frequency domain resource unit.
  • the frequency domain resource units are spaced M5 frequency domain resource units apart.
  • the first part of the channel is not mapped on the time domain resource unit where the first side link channel is located, or the first part of the channel is mapped starting from the second time domain resource unit; the second part of the channel is in the same time domain as the first side link channel.
  • the first partial channel is a partial channel of the second side link channel
  • the second partial channel is a partial channel of the second side link channel except the first partial channel
  • Some channels other than unit after the first time domain resource unit of the first side link channel and separated from the first time domain resource unit by N6 time domain resource units; at the last time domain resource unit of the first side link channel Before, and separated from the last time domain resource unit by N7 time domain resource units; before the first time domain resource unit of the first side link channel, and separated from the first time domain resource unit by N8 time domain resources.
  • the N5 is greater than or equal to 1
  • the N6 is greater than or equal to 1
  • the N7 is greater than or equal to 1
  • the N8 is greater than or equal to 1.
  • the first side link channel is the first PSCCH and the second side link channel is the second PSCCH
  • part of the second PSCCH is not mapped on the time domain resource unit where the first PSCCH is located, or , the partial channels of the PSSCH are mapped starting from the second time domain resource unit; the other partial channels of the second PSCCH are mapped on the same time domain resource unit as the first PSCCH.
  • the first side link channel is PSCCH and the second side link channel is PSSCH
  • part of the PSSCH channel is not mapped on the time domain resource unit where the PSCCH is located, or part of the PSSCH channel Mapping starts from the second time domain resource unit; other partial channels of the PSSCH and the PSCCH are mapped on the same time domain resource unit.
  • the first side link channel and the second side link channel can adopt time division multiplexing TDM and frequency division multiplexing FDM, as shown in Figure 3C and Figure 4C.
  • TDM and FDM time division multiplexing
  • the first side link channel is the first PSCCH and the second side link channel is the second PSCCH
  • the first PSCCH and the second PSCCH are TDM and FDM
  • the PSCCH and the PSSCH are TDM and FDM.
  • the first side link channel can be mapped starting from the lowest PRB of the first time domain unit in a frequency domain first manner, that is, frequency domain first and then time domain mapping; or time domain priority, that is, time domain first and then frequency domain mapping. Mapping method; the second side link channel can be mapped from the next frequency domain resource of the first side link, starting with frequency domain priority, that is, frequency domain first and then time domain mapping; or time domain priority , that is, the mapping method of first time domain and then frequency domain.
  • Figures 3A to 3C and 4A to 4C are an implementation of two-level control information.
  • the positioning information (such as SL PRS resources) may include Automatic Gain Control (AGC). ) symbol (that is, the first symbol in the figure), the AGC symbol can be the next/previous/Nth time unit/time-frequency resource Duplication of source content.
  • AGC Automatic Gain Control
  • Figures 3D to 3F and Figure 4D to 4F are another optional implementation of two-level control information.
  • the first The first symbol and the fourth symbol are AGC symbols, which are the repetition of the content in the next symbol respectively.
  • the first symbol and the third symbol are AGC symbols, which are the repetition of the content in the next symbol respectively. repeat.
  • Figures 3G to 3I and 4G to 4I are another optional implementation of two-level control information, in which the first symbol, the fourth symbol and the Nth symbol are AGC symbols and the next symbol respectively. duplication of content.
  • Figures 3A to 3I and Figures 4A to 4I are one-to-one corresponding drawings and represent the same content.
  • the first side link channel is the first PSCCH, and the second side link channel is the second PSCCH; or, the first side link channel is the PSCCH , the second side link channel is PSSCH.
  • a guard interval (Guard Period, GP) may exist in the last symbol of each SL positioning information resource.
  • the number of available resources can be increased, thereby improving system transmission efficiency.
  • the scrambling of the second PSCCH can satisfy at least one of the following:
  • CRC cyclic redundancy check
  • the modulation of the second PSCCH may satisfy at least one of the following:
  • Modulation determination based on predefined, preconfigured, configured or indicated; for example, it can be Quadrature Phase Shift Keying (QPSK), etc.
  • QPSK Quadrature Phase Shift Keying
  • the configuration in this embodiment may include at least one of the following: base station configuration, terminal configuration, and radio resource control (Radio Resource Control, RRC) signaling (such as PC5-RRC signaling, RRC signaling) configuration.
  • RRC Radio Resource Control
  • This terminal configuration can be the execution subject terminal or other terminal configuration in this embodiment, that is, all terminals can be configured.
  • the indication in this embodiment may include at least one of the following: base station indication, terminal indication, first side link channel (such as first-level control information) indication, Medium Access Control Control Element (MAC CE) ) indication, a downlink control information (DCI) indication, and a second side link channel indication of other terminals different from the terminal.
  • This terminal indication can be the execution subject terminal in this embodiment or other terminal indications, that is, all terminals can indicate.
  • the demodulation reference signal (Demodulation Reference Signal, DMRS) resource of the second PSCCH may satisfy at least the following:
  • DMRS Demodulation Reference Signal
  • the pattern of DMRS resources is the same as that of the first PSCCH;
  • Each P resource element maps a DMRS resource; the P is greater than 0, for example, P is equal to 3, etc., and the location of the initially mapped DMRS resource is a preset or preconfigured resource location.
  • the DMRS sequence of the second PSCCH may satisfy at least one of the following:
  • the minimum CRC is 16.
  • the PSSCH may satisfy at least one of the following:
  • the time domain resources of the DMRS of the PSSCH satisfy at least one of the following: being predefined, preconfigured, configured or indicated resources (including size and/or location), and the same as the time domain resources of the PSCCH;
  • the DMRS pattern of the PSSCH of 1 symbol can be additionally defined, the number of DMRS symbols of the PSSCH is 1, and/or, the DMRS symbol of the PSSCH
  • the position is the first symbol, that is, mapping starts from the second symbol of PSSCH, and the first symbol is the AGC symbol;
  • iii) When the number of resources of the PSCCH is 1 symbol, as shown in Table 2 below, the number of DMRS symbols of the PSSCH is 1, and/or, the symbol position of the DMRS of the PSSCH is the first symbol, and this is the same as The difference in ii) above is whether to use the number of PSCCH symbols as the index condition for searching DMRS pattern;
  • the number of resources of the PSSCH is 2 symbols
  • the number of DMRS symbols of the PSSCH is 1, and/or, the symbol position of the DMRS of the PSSCH is the second symbol, where the first symbol is AGC symbol, that is, the first symbol is a repetition of the second symbol;
  • the number of resources of the PSCCH is 2 symbols, as shown in Table 1 below, the number of DMRS symbols of the PSSCH is 1, and/or, the symbol position of the DMRS of the PSSCH is the second symbol, wherein the One symbol is an AGC symbol, that is, the first symbol is a repetition of the second symbol.
  • case 1 PSSCH is 1 symbol, the first symbol in the SL resource is a repetition of the second symbol, or the first symbol in the SL resource is the first symbol of the PSSCH Repetition of information;
  • Case 2 PSSCH is 2 symbols, and the first symbol of PSSCH is the repetition of information of the second symbol of PSSCH.
  • the time domain resource position of the DMRS of the PSSCH can be determined according to the following Table 1 and/or Table 2, and determined according to the number of symbols of the PSCCH and the PSSCH:
  • the PSSCH when the first side link channel is PSCCH and the second side link channel is PSSCH, the PSSCH only carries second-level control information and related DMRS information, or the PSSCH does not carry data. )information.
  • the transport block size of the PSSCH is determined according to the payload of the second level control information.
  • the PSSCH is related to the size and/or number of frequency domain resource units.
  • This frequency domain resource unit can be selected as a subchannel, which is a preset/preconfigured frequency domain resource scheduling/allocation unit.
  • the PSSCH when the first condition is met, is mapped starting from a configured or indicated frequency domain resource unit (such as a subchannel), such as starting from the lowest PRB of the configured or indicated subchannel;
  • the first Conditions include at least one of the following:
  • the size of the frequency domain resource unit is smaller than the first value; the smaller the size of the frequency domain resource unit, the smaller the number of PRBs lost in one frequency domain resource unit. At this time, consider reducing the number of terminals demodulating DMRS. Overhead, the terminal only needs to obtain DMRS resource demodulation according to the frequency domain resource unit size;
  • the number of frequency domain resource units is greater than the second value.
  • the above-mentioned first value and/or second value may be a predefined, preconfigured, configured or indicated value.
  • the PSSCH when the second condition is met, the PSSCH may satisfy at least one of the following: mapping from non-PSCCH resources in the configured or indicated frequency domain resource unit (such as subchannel), mapping from the Mapping starts from the frequency domain resource unit (such as subchannel) where the PSCCH is located, mapping starts from the last frequency domain resource unit where the PSCCH is located, and mapping starts from the next resource unit of the PSCCH;
  • the second condition may include at least the following: One item:
  • the size of the frequency domain resource unit is greater than or equal to the third value; at this time, the size of the frequency domain resource unit is the frequency domain resource granularity size;
  • the number of frequency domain resource units is greater than or equal to the fourth value.
  • the above-mentioned third value and/or fourth value may be a predefined, preconfigured, configured or indicated value.
  • the PSSCH is mapped from the subchannel where the PSCCH is located.
  • the PSSCH is mapped starting from the next PRB of the last PRB/RE of the PSCCH on the subchannel where the PSCCH is located, that is, mapping is performed accurately to the PRB.
  • the time domain resource of the first side link channel may be a resource determined based on at least one of the following: predefined, preconfigured, configured, and indicated.
  • the time domain resource of the first side link channel (such as PSCCH or first PSCCH) can be predefined/configured as 1symbol or 2symbols.
  • the power and/or reference power of the side link channel (such as PSXCH) may be determined according to at least one of the following:
  • Downlink path loss (DL pathloss)
  • Uplink path loss (UL pathloss);
  • Maximum transmit power wherein the maximum transmit power is determined according to at least one of the following: predefinition, preconfiguration, configuration, channel busy rate CBR;
  • the power of the first reference signal for example, the first reference signal is SL PRS; the first reference signal can be the Uu signal or the SL signal;
  • EIRP equivalent isotropic radiated power
  • the power of the third side link channel for example, the third side link channel is PSSCH;
  • the first reference signal may include at least one of the following: side link positioning reference signal SL PRS, DMRS, channel state information reference signal CSI-RS, phase tracking reference signal PTRS, etc.
  • the third side link channel includes at least one of the following: PSSCH, physical side link feedback channel PSFCH, etc.
  • the power and/or reference power of the side link channel may satisfy at least one of the following:
  • the power and/or reference power of the side link channel is determined based on the minimum value of the downlink path loss and the side link path loss;
  • the power and/or reference power of the side link channel is equal to the maximum transmit power
  • the power and/or reference power of the side link channel is equal to the power of the first reference signal.
  • the control information carried by the side link channel may only be the first-level control information.
  • the first-level control information is carried on the PSCCH, and the first-level control information/power of the PSCCH and/ Or the reference power can be determined based on DL pathloss, SL pathloss, UL pathloss and/or RB number.
  • the control information carried by the side link channel can also be two-level control information, such as carrying the first level control information on the first side link channel and carrying the second level control information on the second side link channel. , the corresponding power control is as follows.
  • the power and/or reference power of at least one of the first side link channel (i.e., first level control information) and the second side link channel (i.e., second level control information) may be based on the following: At least one is confirmed:
  • Downlink path loss (DL pathloss)
  • Uplink path loss (UL pathloss);
  • Maximum transmit power wherein the maximum transmit power is determined according to at least one of the following: predefinition, preconfiguration, configuration, channel busy rate CBR;
  • the power of the first reference signal for example, the first reference signal is SL PRS; the first reference signal can be the Uu signal or the SL signal;
  • EIRP equivalent isotropic radiated power
  • the power of the third side link channel for example, the third side link channel is PSSCH;
  • the first reference signal may include at least one of the following: side link positioning reference signal SL PRS, DMRS, channel state information reference signal CSI-RS, phase tracking reference signal PTRS, etc.
  • the third side link channel includes at least one of the following: PSSCH, physical side link feedback channel PSFCH, etc.
  • the power and/or reference power of at least one of the first side link channel (i.e., first level control information) and the second side link channel (i.e., second level control information) can be determined according to the downlink The minimum value of path loss and side link path loss is determined.
  • the number of RBs includes at least one of the following:
  • the number of RBs of the first side link channel On the overlapping symbols of the first side link channel and the second side link channel, the number of RBs of the first side link channel;
  • the power/reference power of the first PSCCH and/or the second PSCCH may be based on DL pathloss and /or SL pathloss determined.
  • it can be determined based on the minimum value of DL pathloss and SL pathloss.
  • P CMAX represents the maximum transmit power
  • P MAX,CBR represents the maximum transmit power determined based on CBR
  • P PSCCH,D (i) represents the power determined based on the downlink path loss DL pathloss
  • P PSCCH,SL (i) represents the power determined based on the side path loss.
  • Link path loss SL pathloss determines the power
  • i represents the time unit number.
  • the power/reference power of the first PSCCH and/or the second PSCCH may be determined based on the number of RBs.
  • the number of RBs is at least one of the following:
  • the number of RBs of the first PSCCH On the overlapping symbols of the first PSCCH and the second PSCCH, the number of RBs of the first PSCCH;
  • the number of RBs of the second PSCCH On the overlapping symbols of the first PSCCH and the second PSCCH, the number of RBs of the second PSCCH.
  • the power/reference power of the PSCCH and/or PSSCH may be determined based on the DL pathloss and/or SL pathloss.
  • it can be determined based on the minimum value of DL pathloss and SL pathloss.
  • the power/reference power of the PSCCH and/or PSSCH may be determined based on the number of RBs, and the number of RBs is at least: one:
  • the number of RBs of the PSCCH On the overlapping symbols of the PSCCH and the PSSCH, the number of RBs of the PSCCH;
  • the number of RBs of the PSSCH On the overlapping symbols of the PSCCH and the PSSCH, the number of RBs of the PSSCH.
  • the power of the first side link channel may be based on the first reference power, the first side link channel
  • the number of RBs and the first RB number are determined, and/or the power of the second side link channel can be determined according to the first reference power, the RB number of the second side link channel and the first RB number; wherein , the first reference power is determined according to the downlink path loss and/or side link path loss; the first RB number is the reference RB number, or the first RB number is the first side link channel and The sum of the number of RBs of the second side link channel.
  • the power of the first side link channel/second side link channel is determined based on the downlink path loss and/or the side link path loss and the number of RBs.
  • the first side link channel is the first PSCCH (such as 1st PSCCH) and the second side link channel is the second PSCCH (such as 2nd PSCCH), the power of the first PSCCH and/or, the power of the second PSCCH
  • P reference (i) is the first reference power, which can be determined according to the downlink path loss and/or side link path loss, and/or the maximum transmit power; is the number of RBs in the first PSCCH; is the number of RBs in the second PSCCH; is the reference RB number, or is i represents the time unit number.
  • the P reference (i) may also represent the power P PSCCH of the PSCCH, or the total power of the first side link channel and the second side link channel.
  • P reference (i) is the first reference power, which can be determined based on the downlink path loss and/or side link path loss; is the number of RBs of the PSCCH; is the number of RBs of the PSSCH; is the reference RB number, or is i represents the time unit number.
  • the P reference (i) may also represent the power P PSCCH of the PSCCH, or the total power of the first side link channel and the second side link channel.
  • the first side link channel and the second side link channel may be TDM or FDM
  • the third side link channel of the second side link channel A power is determined according to the downlink path loss and/or the side link path loss
  • the second power of the second side link channel is determined according to the The first power, the second RB number and the third RB number are determined, or the second power of the second side link channel is determined according to the first power, the fourth RB number and the second RB number
  • the power of the first side link channel is determined according to the first power, the third number of RBs, and the second number of RBs, or the power of the first side link channel is determined according to the first power, the fourth number of RBs, and the second number of RBs.
  • the second RB number is determined.
  • the first symbol does not include a symbol of the first side link channel, or the first symbol is a symbol of the second side link channel; the second symbol is a symbol of the first side link channel.
  • the third RB number is the RB number of the first side link channel on the second symbol ;
  • the fourth RB number is the RB number of the second side link channel on the second symbol.
  • the power of the first side link channel/second side link channel is determined based on the downlink path loss and/or the side link path loss and the number of RBs.
  • the second power of the second side link channel Meet one of the following:
  • the power P 1st PSXCH (i) of the first side link channel satisfies one of the following:
  • P 2nd PSXCH (i) represents the first power
  • first side link channel as the first PSCCH (such as 1st PSCCH) and the second side link channel as the second PSCCH (such as 2nd PSCCH) as an example:
  • the power of 1st PSCCH and/or 2nd PSCCH can be determined based on the downlink path loss and/or side link path loss, or the power of 1st PSCCH is equal to The power of the 2nd PSCCH, or the power of the 2nd PSCCH is equal to the power of the 1st PSCCH;
  • the first reference power (or the power sum of the 1st PSCCH and the 2nd PSCCH, for example, P reference ) can be determined according to the downlink path loss and/or side link
  • the path loss is determined, and the powers of 1st PSCCH and 2nd PSCCH are as follows:
  • the reference RB number or is In other words, it is the sum of the number of resources of the 1st PSCCH and the 2nd PSCCH, or the number of resources of the PSCCH. is the number of RBs in the first PSCCH; is the number of RBs in the second PSCCH; i represents the time unit number.
  • the first power P of the 2nd PSCCH is based on the downlink path loss. and/or side link path loss determination;
  • second power for 2nd PSCCH on second symbol It can be determined based on P 2nd PSCCH and meets one of the following:
  • It is the number of RBs of the 2nd PSCCH on the first symbol, or the sum of the number of RBs of the 1st PSCCH and the 2nd PSCCH on the second symbol; is the number of RBs of the 1st PSCCH on the second symbol; is the number of RBs of the 2nd PSCCH on the second symbol; i represents the time unit number.
  • the first side link channel is the first PSCCH
  • the second side link channel is the second PSCCH
  • the first side link channel is the PSCCH
  • the second side link channel is the PSCCH.
  • the channel is PSSCH.
  • the above embodiment takes the first side link channel as 1st PSCCH and the second side link channel as 2nd PSCCH as an example.
  • the first side link channel and the second side link channel can also be PSCCH and PSSCH respectively.
  • the 1st PSCCH can be replaced with PSCCH
  • the 2nd PSCCH can be replaced with PSSCH in the above description.
  • the other contents are the same and will not be repeated here.
  • the execution subject may be an information transmission device.
  • an information transmission device performing an information transmission method is used as an example to illustrate the information transmission device provided by the embodiment of the present application.
  • Figure 7 is a schematic structural diagram of an information transmission device provided by an embodiment of the present application. The device is applied to a terminal. As shown in Figure 7, the information transmission device 60 includes:
  • the transmission module 61 is used to transmit side link control information.
  • the side link control information is used to schedule the first positioning information.
  • the side link control information is carried on the side link channel.
  • the side link control information includes first level control information and second level control information; the first level control information is carried on the first side link channel, and the second level control information is carried on the first side link channel. carried on the secondary link channel.
  • the first side link channel is a first PSCCH
  • the second side link channel is a second PSCCH
  • the first side link channel is PSCCH
  • the second side link channel is PSSCH
  • the first positioning information includes at least one of the following:
  • the second side link channel satisfies at least one of the following:
  • the second side link channel is not mapped on the time domain resource unit where the first side link channel is located, or the second side link channel is mapped starting from the first time domain resource unit; wherein, the The first time domain resource unit satisfies any of the following: after the last time domain resource unit of the first side link channel and separated from the last time domain resource unit by N1 time domain resource units; After the first time domain resource unit of the first side link channel and separated from the first time domain resource unit by N2 time domain resource units; in the last time domain of the first side link channel before the resource unit and separated from the last time domain resource unit by N3 time domain resource units; in the Before the first time domain resource unit of the side link channel and separated from the first time domain resource unit by N4 time domain resource units; the N1 is greater than or equal to 1, the N2 is greater than or equal to 1, so Said N3 is greater than or equal to 1, said N4 is greater than or equal to 1;
  • the second side link channel is mapped within the time domain resource range of the first side link channel
  • the first part of the channel is not mapped on the time domain resource unit where the first side link channel is located, or the first part of the channel is mapped starting from the second time domain resource unit; the second part of the channel is mapped on the time domain resource unit where the first side link channel is located. Mapping on the same time domain resource unit; wherein, the first part channel is a part of the second side link channel, and the second part channel is a part of the second side link channel except the first part.
  • the second time domain resource unit satisfies any of the following: after the last time domain resource unit of the first side link channel and spaced from the last time domain resource unit N5 time domain resource units; after the first time domain resource unit of the first side link channel, and separated from the first time domain resource unit by N6 time domain resource units; in the first Before the last time domain resource unit of the side link channel, and separated from the last time domain resource unit by N7 time domain resource units; before the first time domain resource unit of the first side link channel, And it is separated from the first time domain resource unit by N8 time domain resource units; the N5 is greater than or equal to 1, the N6 is greater than or equal to 1, the N7 is greater than or equal to 1, and the N8 is greater than or equal to 1 .
  • the time domain resource unit includes at least one of the following:
  • the frequency domain resources of the second side link channel are the same as the frequency domain resources of the first side link channel.
  • the frequency domain resources and/or time domain resources of the second side link channel are resources determined based on at least one of the following:
  • the time domain resource of the second side link channel satisfies at least one of the following:
  • the size and/or location of the time domain resource of the second side link channel is determined based on at least one of the following: predefinition, preconfiguration, configuration, indication;
  • the time domain resource position of the second side link channel is the same as the time domain resource position of the first side link channel
  • the number of time domain resource units of the second side link channel is equal to the number of time domain resource units of the first side link channel
  • the number of time domain resource units of the second side link channel is smaller than the number of time domain resource units of the first side link channel.
  • the time domain resources of the second side link channel starts mapping from the starting position or the preset position of the first side link channel
  • the end position of the time domain resource unit of the second side link channel is mapped to the end position or preset position of the first side link channel.
  • the frequency domain resource of the second side link channel satisfies at least one of the following:
  • the size and/or location of the frequency domain resource of the second side link channel is determined based on at least one of the following: predefinition, preconfiguration, configuration, indication;
  • the number of frequency domain resource units of the second side link channel is equal to the number of frequency domain resource units of the first side link channel
  • the second side link channel is mapped within the resource range of M1 frequency domain resource units, and M1 is greater than 0.
  • the second side link channel when the second side link channel is mapped within the resource range of M1 frequency domain resource units, the second side link channel satisfies at least one of the following:
  • the second side link channel is mapped from the lowest frequency domain resource unit among the M1 frequency domain resource units, or the second side link channel is mapped from the lowest frequency domain resource unit among the M1 frequency domain resource units.
  • the lowest physical resource block PRB of the domain resource unit starts mapping;
  • the second side link channel is not mapped within the resources of the first side link channel; or when mapping the second side link channel, rate matching is performed on the first side link channel or punch;
  • the second side link channel is mapped starting from the first frequency domain resource unit; wherein the first frequency domain resource unit satisfies any of the following: in the last frequency domain resource unit of the first side link channel After that, and separated from the last frequency domain resource unit by M2 frequency domain resource units; after the first frequency domain resource unit of the first side link channel, and separated from the first frequency domain resource unit separated by M3 frequency domain resource units; before the last frequency domain resource unit of the first side link channel, and separated by M4 frequency domain resource units from the last frequency domain resource unit; before the first side link channel Before the first frequency domain resource unit of the link channel and separated from the first frequency domain resource unit by M5 frequency domain resource units; the M2 is greater than or equal to 1, the M3 is greater than or equal to 1, and the M4 is greater than or equal to 1, and M5 is greater than or equal to 1.
  • the scrambling of the second PSCCH satisfies at least one of the following:
  • the scrambling of one PSCCH is the same, determined according to predefined or configured parameters, and determined according to the cyclic redundancy check CRC information of the first PSCCH;
  • the modulation of the second PSCCH satisfies at least one of the following: the same as the modulation of the first PSCCH, based on predefined, preconfigured, configured or indicated modulation determination.
  • the configuration includes at least one of the following: base station configuration, terminal configuration, radio resource control RRC signaling configuration; the indication includes at least one of the following: base station indication, terminal indication, the first side link channel Indication, media access control control unit MAC CE indication, downlink control information DCI indication, second side link channel indication of other terminals different from the terminal.
  • the DMRS resource of the second PSCCH satisfies at least one of the following:
  • the DMRS resources of a PSCCH have the same pattern, and each P resource unit RE is mapped to a DMRS resource; when P is greater than 0, the location of the initially mapped DMRS resource is a preset or preconfigured resource location;
  • the DMRS sequence of the second PSCCH satisfies at least one of the following: the same as the DMRS sequence of the first PSCCH, determined based on predefined or configured parameters, or determined based on CRC information of the first PSCCH.
  • the PSSCH satisfies at least one of the following:
  • the time domain resource of the DMRS of the PSSCH satisfies at least one of the following: a predefined, preconfigured, configured or indicated resource, and the same as the time domain resource of the PSCCH;
  • the number of resources of the PSSCH is 1 symbol
  • the number of symbols of the DMRS of the PSSCH is 1, and/or the symbol position of the DMRS of the PSSCH is the first symbol
  • the number of resources of the PSCCH is 1 symbol
  • the number of DMRS symbols of the PSSCH is 1, and/or, the symbol position of the DMRS of the PSSCH is the first symbol
  • the number of resources of the PSSCH is 2 symbols
  • the number of symbols of the DMRS of the PSSCH is 1, and/or the symbol position of the DMRS of the PSSCH is the second symbol;
  • the number of resources of the PSCCH is 2 symbols
  • the number of symbols of the DMRS of the PSSCH is 1, and/or the symbol position of the DMRS of the PSSCH is the second symbol.
  • the PSSCH satisfies at least one of the following:
  • the PSSCH only carries the second-level control information and related DMRS information, or the PSSCH does not carry data information;
  • the transport block size of the PSSCH is determined according to the load of the second-level control information.
  • the PSSCH is related to the size and/or number of frequency domain resource units.
  • the PSSCH is mapped starting from the configured or indicated frequency domain resource unit, and the first condition includes at least one of the following:
  • the size of the frequency domain resource unit is smaller than the first value
  • the number of frequency domain resource units is greater than the second value
  • the PSSCH satisfies at least one of the following: mapping starts from non-PSCCH resources in the configured or indicated frequency domain resource unit, starting from the frequency domain resource unit where the PSCCH is located Mapping, mapping starts from the last frequency domain resource unit where the PSCCH is located, and starts mapping from the next resource unit of the PSCCH; the second condition includes at least one of the following:
  • the size of the frequency domain resource unit is greater than or equal to the third value
  • the number of frequency domain resource units is greater than or equal to the fourth value.
  • At least one of the first value, the second value, the third value and the fourth value is: a predefined, preconfigured, configured or indicated value.
  • the time domain resource of the first side link channel is a resource determined based on at least one of the following:
  • the power and/or reference power of the side link channel are determined according to at least one of the following:
  • Maximum transmit power wherein the maximum transmit power is determined according to at least one of the following: predefinition, preconfiguration, configuration, channel busy rate CBR;
  • the first reference signal includes at least one of the following: side link positioning reference signal SL PRS, DMRS, channel state information reference signal CSI-RS, phase tracking reference signal PTRS;
  • the third side link channel includes the following At least one item: PSSCH, physical side link feedback channel PSFCH.
  • the power and/or reference power of the side link channel satisfies at least one of the following:
  • the power and/or reference power of the side link channel is determined based on the minimum value of the downlink path loss and the side link path loss;
  • the power and/or reference power of the side link channel is equal to the maximum transmit power
  • the power and/or reference power of the side link channel is equal to the power of the first reference signal.
  • the power and/or reference power of at least one of the first side link channel and the second side link channel is determined according to at least one of the following:
  • Maximum transmit power wherein the maximum transmit power is determined according to at least one of the following: predefinition, preconfiguration, configuration, channel busy rate CBR;
  • the first reference signal includes at least one of the following: side link positioning reference signal SL PRS, DMRS, channel state information reference signal CSI-RS, phase tracking reference signal PTRS;
  • the third side link channel includes the following At least one item: PSSCH, physical side link feedback channel PSFCH.
  • the power and/or reference power of at least one of the first side link channel and the second side link channel is determined according to the downlink path loss and the side link path loss.
  • the minimum value is determined.
  • the number of RBs includes at least one of the following:
  • the number of RBs of the first side link channel On the overlapping symbols of the first side link channel and the second side link channel, the number of RBs of the first side link channel;
  • the power of the first side link channel is determined based on the first reference power, the number of RBs of the first side link channel, and the first number of RBs, and/or the second side link channel The power is determined based on the first reference power, the number of RBs of the second side link channel, and the number of first RBs;
  • the first reference power is determined based on downlink path loss and/or side link path loss; the first RB number is the reference RB number, or the first RB number is the first side link channel and the sum of the number of RBs of the second side link channel.
  • the first power of the second side link channel is determined based on the downlink path loss and/or the side link path loss
  • the second power of the second side link channel is determined according to the first power, the second number of RBs, and the third number of RBs, Alternatively, the second power of the second side link channel is determined based on the first power, the fourth number of RBs, and the second number of RBs; the power of the first side link channel is determined based on the first power, the fourth number of RBs, and the second power of the second side link channel.
  • the number of three RBs and the number of second RBs are determined, or the power of the first side link channel is determined based on the first power, the number of fourth RBs, and the number of second RBs;
  • the first symbol does not include a symbol of the first side link channel, or the first symbol is a symbol of the second side link channel; the second symbol is a symbol of the first side link channel.
  • the fourth RB number is the RB number of the second side link channel on the second symbol.
  • the second power P 2nd PSXCH2 (i) of the second side link channel satisfies one of the following:
  • the power P 1st PSXCH (i) of the first side link channel satisfies one of the following:
  • P 2nd PSXCH (i) represents the first power
  • i represents the time unit number.
  • the information transmission device 60 in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or may be a component in the electronic device, such as an integrated circuit or chip.
  • the electronic device may be a terminal or other devices other than the terminal.
  • terminals may include but are not limited to the types of terminals 11 listed above, and other devices may be servers, network attached storage (Network Attached Storage, NAS), etc., which are not specifically limited in the embodiment of this application.
  • NAS Network Attached Storage
  • the information transmission device 60 provided by the embodiment of the present application can implement each process implemented by the method embodiment in Figure 2 and achieve the same technical effect. To avoid duplication, details will not be described here.
  • this embodiment of the present application also provides a terminal 70, which includes a processor 71 and a memory 72.
  • the memory 72 stores programs or instructions that can be run on the processor 71.
  • Embodiments of the present application also provide a terminal, including a processor and a communication interface.
  • the communication interface is used to transmit side link control information.
  • the side link control information is used to schedule the first positioning information.
  • the side link control information Carried on side link channels.
  • This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment. Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
  • FIG. 9 is a schematic diagram of the hardware structure of a terminal that implements an embodiment of the present application.
  • the terminal 800 includes but is not limited to: a radio frequency unit 801, a network module 802, an audio output unit 803, an input unit 804, a sensor 805, a display unit 806, a user input unit 807, an interface unit 808, a memory 809, a processor 810, etc. At least some parts.
  • the terminal 800 may also include a power supply (such as a battery) that supplies power to various components.
  • the power supply may be logically connected to the processor 810 through a power management system, thereby managing charging, discharging, and power consumption through the power management system. Management and other functions.
  • the terminal structure shown in FIG. 9 does not constitute a limitation on the terminal.
  • the terminal may include more or fewer components than shown in the figure, or may combine certain components, or arrange different components, which will not be described again here.
  • the input unit 804 may include a graphics processing unit (Graphics Processing Unit (GPU) 8041 and microphone 8042, the graphics processor 8041 processes image data of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode.
  • the display unit 806 may include a display panel 8061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 807 includes a touch panel 8071 and at least one of other input devices 8072 . Touch panel 8071, also known as touch screen.
  • the touch panel 8071 may include two parts: a touch detection device and a touch controller.
  • Other input devices 8072 may include but are not limited to physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described again here.
  • the radio frequency unit 801 after receiving downlink data from the network side device, the radio frequency unit 801 can transmit it to the processor 810 for processing; in addition, the radio frequency unit 801 can send uplink data to the network side device.
  • the radio frequency unit 801 includes, but is not limited to, an antenna, amplifier, transceiver, coupler, low noise amplifier, duplexer, etc.
  • Memory 809 may be used to store software programs or instructions as well as various data.
  • the memory 809 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required for at least one function (such as a sound playback function, Image playback function, etc.) etc.
  • memory 809 may include volatile memory or non-volatile memory, or memory 809 may include both volatile and non-volatile memory.
  • non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synch link DRAM) , SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DRRAM).
  • RAM Random Access Memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM Double Data Rate SDRAM
  • DDRSDRAM double data rate synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM enhanced synchronous dynamic random access memory
  • Synch link DRAM synchronous link dynamic random access memory
  • SLDRAM direct memory bus
  • the processor 810 may include one or more processing units; optionally, the processor 810 integrates an application processor and a modem processor, where the application processor mainly handles operations related to the operating system, user interface, application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the above modem processor may not be integrated into the processor 810.
  • the radio frequency unit 801 is used to transmit side link control information, the side link control information is used to schedule the first positioning information, and the side link control information is carried on the side link channel.
  • the terminal 800 provided by the embodiment of the present application can implement each process implemented by the method embodiment in Figure 2 and achieve the same technical effect. To avoid duplication, details will not be described here.
  • Embodiments of the present application also provide a readable storage medium.
  • Programs or instructions are stored on the readable storage medium.
  • the program or instructions are executed by a processor, each process of the above information transmission method embodiment is implemented, and the same can be achieved. The technical effects will not be repeated here to avoid repetition.
  • the processor is the processor in the terminal described in the above embodiment.
  • the readable storage medium includes computer readable storage media, such as computer read-only memory ROM, random access memory RAM, magnetic disk or optical disk, etc.
  • An embodiment of the present application further provides a chip.
  • the chip includes a processor and a communication interface.
  • the communication interface is coupled to the processor.
  • the processor is used to run programs or instructions to implement the above information transmission method embodiment. Each process can achieve the same technical effect. To avoid duplication, it will not be described again here.
  • chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
  • Embodiments of the present application further provide a computer program/program product.
  • the computer program/program product is stored in a storage medium.
  • the computer program/program product is executed by at least one processor to implement the above information transmission method embodiment.
  • Each process can achieve the same technical effect. To avoid repetition, we will not go into details here.
  • Embodiments of the present application also provide a communication system, including: a terminal and a network side device.
  • the terminal can be used to perform the steps of the information transmission method as described above.
  • the network side device can be used to schedule resources for the terminal.
  • the methods of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. implementation.
  • the technical solution of the present application can be embodied in the form of a computer software product that is essentially or contributes to the existing technology.
  • the computer software product is stored in a storage medium (such as ROM/RAM, disk , CD), including several instructions to cause a terminal (which can be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in various embodiments of this application.

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

Abstract

La présente demande se rapporte au domaine technique des communications et divulgue un procédé et un appareil de transmission d'informations, ainsi qu'un terminal et un support de stockage lisible. Le procédé de transmission d'informations dans des modes de réalisation de la présente demande comprend les étapes suivantes : un terminal transmet des informations de commande de liaison latérale, les informations de commande de liaison latérale étant utilisées pour planifier des premières informations de positionnement, et étant transportées sur un canal de liaison latérale.
PCT/CN2023/113947 2022-08-19 2023-08-21 Procédé et appareil de transmission d'informations, terminal et support de stockage lisible WO2024037651A1 (fr)

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CN202211000195.0A CN117676852A (zh) 2022-08-19 2022-08-19 信息传输方法、装置、终端及可读存储介质

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112399544A (zh) * 2019-08-14 2021-02-23 北京三星通信技术研究有限公司 一种用于旁路通信系统的功率控制方法、设备及存储介质
CN112567837A (zh) * 2018-08-09 2021-03-26 康维达无线有限责任公司 5G eV2X的资源管理
US20210297206A1 (en) * 2020-03-19 2021-09-23 Qualcomm Incorporated Determination of positioning reference signal resources in out-of-coverage sidelink-assisted cooperative positioning
CN114257355A (zh) * 2020-09-23 2022-03-29 展讯通信（上海）有限公司 直连通信下prs资源指示方法及装置、存储介质、终端
WO2022165835A1 (fr) * 2021-02-08 2022-08-11 Lenovo (Beijing) Limited Procédés et appareils de transmission d'un signal de référence de positionnement de liaison latérale

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112567837A (zh) * 2018-08-09 2021-03-26 康维达无线有限责任公司 5G eV2X的资源管理
CN112399544A (zh) * 2019-08-14 2021-02-23 北京三星通信技术研究有限公司 一种用于旁路通信系统的功率控制方法、设备及存储介质
US20210297206A1 (en) * 2020-03-19 2021-09-23 Qualcomm Incorporated Determination of positioning reference signal resources in out-of-coverage sidelink-assisted cooperative positioning
CN114257355A (zh) * 2020-09-23 2022-03-29 展讯通信（上海）有限公司 直连通信下prs资源指示方法及装置、存储介质、终端
WO2022165835A1 (fr) * 2021-02-08 2022-08-11 Lenovo (Beijing) Limited Procédés et appareils de transmission d'un signal de référence de positionnement de liaison latérale

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