WO2020143059A1 - 侧行通信的方法和终端设备 - Google Patents

侧行通信的方法和终端设备 Download PDF

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Publication number
WO2020143059A1
WO2020143059A1 PCT/CN2019/071486 CN2019071486W WO2020143059A1 WO 2020143059 A1 WO2020143059 A1 WO 2020143059A1 CN 2019071486 W CN2019071486 W CN 2019071486W WO 2020143059 A1 WO2020143059 A1 WO 2020143059A1
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WO
WIPO (PCT)
Prior art keywords
terminal device
reference signal
frequency domain
side reference
channel
Prior art date
Application number
PCT/CN2019/071486
Other languages
English (en)
French (fr)
Inventor
赵振山
卢前溪
林晖闵
Original Assignee
Oppo广东移动通信有限公司
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.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2019/071486 priority Critical patent/WO2020143059A1/zh
Priority to JP2021536723A priority patent/JP2022515415A/ja
Priority to CN201980064515.9A priority patent/CN112789915A/zh
Priority to KR1020217023387A priority patent/KR20210119402A/ko
Priority to MX2021008181A priority patent/MX2021008181A/es
Priority to BR112021013405-0A priority patent/BR112021013405A2/pt
Priority to CN202110575084.1A priority patent/CN113286371B/zh
Priority to EP19909030.9A priority patent/EP3890415B1/en
Publication of WO2020143059A1 publication Critical patent/WO2020143059A1/zh
Priority to US17/361,554 priority patent/US20210329603A1/en

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    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • 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
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04W72/04—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
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices
    • 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

Definitions

  • Embodiments of the present application relate to the field of communications, and in particular, to a side communication method and terminal device.
  • the terminal can measure the channel based on some reference signals, and select appropriate transmission parameters according to the measurement results, for example, channel measurement according to the channel state information reference signal (Channel-State Information-Reference Signals, CSI-RS) , Select various quality information and feed it back to the sending end, thereby improving the system throughput.
  • CSI-RS Channel State Information-Reference Signals
  • V2X Vehicle to Vehicle
  • Embodiments of the present application provide a side communication method and a terminal device, which can reduce the complexity of detecting a side reference signal, and also help reduce signaling overhead.
  • a method for side communication includes: a first terminal device receives a side channel sent by a second terminal device; the first terminal device according to transmission resources of the side channel, Determine the transmission resource of the side reference signal.
  • a method for side communication includes: a second terminal device determines a transmission resource of a side reference signal according to a transmission resource of a side channel; the second terminal device is on the side The side reference signal is received on the transmission resource of the line reference signal.
  • a terminal device for performing the method in the above-mentioned first aspect or various implementations thereof.
  • the terminal device includes a functional module for performing the method in the above-mentioned first aspect or various implementations thereof.
  • a terminal device for performing the method in the above-mentioned second aspect or various implementations thereof.
  • the terminal device includes a functional module for performing the method in the above-mentioned second aspect or various implementations thereof.
  • a terminal device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in any one of the first aspect to the second aspect or the various implementations thereof.
  • a chip is provided for implementing any one of the first to second aspects or the method in each implementation manner thereof.
  • the chip includes: a processor for calling and running a computer program from the memory, so that the device installed with the chip executes any one of the first aspect to the second aspect described above or its respective implementations method.
  • a computer-readable storage medium for storing a computer program that causes a computer to execute the method in any one of the above first to second aspects or various implementations thereof.
  • a computer program product including computer program instructions, the computer program instructions causing a computer to execute the method in any one of the above first to second aspects or in various implementations thereof.
  • a computer program which when run on a computer, causes the computer to execute the method in any one of the above first to second aspects or various implementations thereof.
  • the first terminal device determines the transmission resource of the side reference signal to be sent based on the transmission resource of the side channel sent by the second terminal device, so that the first terminal device can transmit the side line on the determined transmission resource Reference signal, and the second terminal device can also detect the side reference signal on the determined transmission resource, thereby reducing the complexity of detecting the side reference signal, and implicitly indicating the side reference signal's Transmission resources can also reduce signaling overhead.
  • FIG. 1 is a schematic diagram of a side communication system provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a side communication system provided by an embodiment of the present application.
  • FIG. 3 is a schematic block diagram of a method for side communication provided by an embodiment of the present application.
  • FIG. 4 is a schematic sequence diagram of a method for side communication provided by an embodiment of the present application.
  • FIG. 5 is another schematic block diagram of a side communication method provided by an embodiment of the present application.
  • FIG. 6 is a schematic block diagram of a terminal device provided by an embodiment of the present application.
  • FIG. 7 is another schematic block diagram of the terminal device provided by the embodiment of the present application.
  • FIG. 8 is another schematic block diagram of the terminal device provided by the embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a chip provided by an embodiment of the present application.
  • FIG. 10 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • GSM Global System of Mobile
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code
  • GPRS general packet radio service
  • LTE Long-term evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • NR New Radio
  • 5G System etc.
  • the technical solutions of the embodiments of the present application can be applied to various communication systems based on non-orthogonal multiple access technology, such as sparse code multiple access (Sparse Code Multiple Access, SCMA) system and low density signature (Low Density (Signature, LDS) system, etc.
  • SCMA Sparse Code Multiple Access
  • LDS Low Density
  • SCMA system and LDS system can also be called other names in the communication field;
  • technical solutions of the embodiments of the present application can be applied to multi-carrier using non-orthogonal multiple access technology Transmission systems, such as Orthogonal Frequency Division Multiplexing (OFDM), Filter Bank Multi-Carrier (FBMC), Generalized Frequency Division Multiplexing (Generalized) Frequency Division Multiplexing (GFDM), Filtered-OFDM (F-OFDM) system, etc.
  • OFDM Orthogonal Frequency Division Multiplexing
  • FBMC Filter Bank Multi-Carrier
  • Generalized Frequency Division Multiplexing Generalized Frequency Division Multiplexing
  • GFDM Generalized Frequency Division Multiplexing
  • F-OFDM Filtered-OFDM
  • the terminal equipment in the embodiments of the present application may refer to user equipment (User Equipment), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless Communication equipment, user agent or user device.
  • Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, wireless local loop (Wireless Local Loop, WLL) stations, personal digital processing (Personal Digital Assistant (PDA), wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in future 5G networks or public land mobile communications networks (PLMN) in the future evolution Terminal equipment and the like are not limited in the embodiments of the present application.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • PLMN public land mobile communications networks
  • the network device in the embodiment of the present application may be a device for communicating with a terminal device.
  • the network device may be a base station (Base Transceiver Station, BTS) in GSM or CDMA, or a base station (NodeB, NB in WCDMA system) ), it can also be an evolved base station (Evolutional NodeB, eNB or eNodeB) in the LTE system, it can also be a wireless controller in the cloud radio access network (Cloud Radio Access Network, CRAN) scenario, or the network equipment can be
  • the relay station, the access point, the in-vehicle device, the wearable device, the network device in the future 5G network or the network device in the future evolved PLMN network, etc. are not limited in the embodiments of the present application.
  • FIG. 1 and 2 are schematic diagrams of an application scenario according to an embodiment of the present application.
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the wireless communication system may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area.
  • MME Mobile Management Entity
  • S-GW Serving Gateway
  • P-GW Packet Data Network Gateway
  • the embodiments of the present application are not limited to this.
  • the terminal device 20 and the terminal device 30 can communicate in a device-to-device (D2D) communication mode.
  • D2D communication the terminal device 20 and the terminal device 30 pass a D2D link, that is, a side link ( Sidelink (SL) communicates directly.
  • Sidelink (SL) Sidelink
  • the terminal device 20 and the terminal device 30 directly communicate through the side link.
  • the terminal device 20 and the terminal device 30 communicate through a side link, and transmission resources are allocated by the network device; in FIG. 2, the terminal device 20 and the terminal device 30 pass a side link.
  • the transmission resources are selected by the terminal equipment, and there is no need for the network equipment to allocate transmission resources.
  • the D2D communication mode can be applied to vehicle-to-vehicle (V2V) communication or vehicle-to-other equipment (Vehicle to Everything, V2X) communication.
  • V2X communication X can refer to any device with wireless reception and transmission capabilities, such as but not limited to slow-moving wireless devices, fast-moving in-vehicle devices, or network control nodes with wireless transmission and reception capabilities.
  • the embodiment of the present application is mainly applied to the scenario of V2X communication, but can also be applied to any other D2D communication scenario, which is not limited in this embodiment of the present application.
  • LTE-V2X is standardized, and two transmission modes are defined, namely transmission mode 3 (mode 3) and transmission mode 4 (mode 4).
  • the transmission resources of the terminal equipment using the transmission mode 3 are allocated by the base station, and the terminal equipment transmits data on the side link according to the resources allocated by the base station; the base station can allocate the resources for a single transmission to the terminal equipment or can be the terminal.
  • the device allocates semi-statically transmitted resources. If the terminal device using the transmission mode 4 has a listening capability, data is transmitted by means of sensing and reservation. If the terminal device does not have a listening capability, the transmission resource is randomly selected in the resource pool.
  • a terminal device with listening capability obtains a set of available resources in the resource pool by listening, and the terminal device randomly selects a resource from the set for data transmission. Because the services in the IoV system have periodic characteristics, the terminal device usually adopts a semi-static transmission method, that is, after the terminal device selects a transmission resource, it will continue to use the resource in multiple transmission cycles, thereby reducing resource re-use Selection and the probability of resource conflicts. The terminal device will carry the information for reserving the next transmission resource in the control information transmitted this time, so that other terminal devices can determine whether this resource is reserved and used by the terminal device by detecting the control information of the terminal device. The purpose of reducing resource conflicts.
  • mode 1 is the network to allocate transmission resources for the terminal (similar to mode 3 in LTE-V2X)
  • mode 2 is the terminal selection Transmission resources, in mode 2
  • modes 1 and mode 2 include but are not limited to the following modes:
  • mode 2a The terminal autonomously selects transmission resources (similar to mode 4 in LTE-V2X); for example, the terminal autonomously selects resources in a pre-configured or network-configured resource pool (the resources can be selected in a random manner, or through listening Way to select resources).
  • the terminal assists other terminals in selecting resources; for example, the first terminal sends auxiliary information to the second terminal.
  • the auxiliary information may include but is not limited to: available time-frequency resource information, available transmission resource set information, channel measurement information and Channel quality information (such as channel state information (Channel State Information, CSI), channel quality indicator (Channel Quality Indicator, CQI), precoding matrix indicator (Precoding Matrix Indicator, PMI), rank indicator (RI), reference signal Received power (ReferenceSignalReceivingPower, RSRP), reference signal received quality (ReferenceSignalReceivingQuality, RSRQ), received signal strength indication (ReceivedSignalStrengthIndicator, RSSI), road loss information, etc.).
  • Channel State Information such as channel state information (Channel State Information, CSI), channel quality indicator (Channel Quality Indicator, CQI), precoding matrix indicator (Precoding Matrix Indicator, PMI), rank indicator (RI), reference signal Received power (ReferenceSignal
  • the terminal selects resources among the transmission resources configured for it; for example, the network configures multiple transmission resources for each terminal. When the terminal has side data transmission, it selects one transmission resource from the multiple transmission resources configured by the network Perform data transfer.
  • the first terminal allocates transmission resources to the second terminal; for example, the first terminal is the group leader of the group communication, the second terminal is a group member of the group, and the first terminal directly allocates the side terminal transmission to the second terminal Time-frequency resources.
  • NR-V2X In NR-V2X, it is necessary to support automatic driving, so it puts forward higher requirements for data interaction between vehicles, such as higher throughput, lower delay, higher reliability, greater coverage, More flexible resource allocation, etc.
  • the terminal can measure the channel and select the appropriate transmission parameters according to the measurement results. For example, the channel measurement is performed according to the CSI-RS, and the CQI, PMI, RI and other information are selected and fed back to the sender. The feedback information selects appropriate transmission parameters, thereby improving the system throughput.
  • FIG. 3 is a schematic block diagram of a side communication method 100 according to an embodiment of the present application.
  • the method may be performed by a terminal device as a receiving end in FIG. 1 or FIG. 2, as shown in FIG. 3, the method 100 includes some or all of the following:
  • the first terminal device receives the side channel sent by the second terminal device.
  • the first terminal device determines the transmission resource of the side reference signal according to the transmission resource of the side channel.
  • the second terminal device may determine the transmission resource of the side channel and send the side channel to the first terminal device on the determined transmission resource, and the second terminal device may use the transmission resource of the side channel to the first
  • the terminal device instructs the transmission resource of the side reference signal, that is, after acquiring the transmission resource of the side channel, the first terminal device may determine the transmission resource of the side reference signal according to the transmission resource of the side channel, and then The first terminal device may transmit the side reference signal on the determined transmission resource.
  • the second terminal device may also first determine the transmission resource of the side terminal reference signal sent by the first terminal device based on the transmission resource of the side channel, and receive the side reference signal on the determined reception resource.
  • the transmission resource may be a time-frequency resource.
  • the first terminal device is the receiving end
  • the transmission resource of the side channel is the receiving resource of the side channel
  • the second terminal device is the sending end
  • the transmission resource of the side channel is Side channel transmission resources.
  • the first terminal device is the sending end
  • the transmission resource of the side reference signal is the sending resource of the side reference signal
  • the second terminal device is the receiving end, the transmission resource of the side reference signal It is the receiving resource of the side reference signal.
  • the side channel in the embodiments of the present application may include at least one of the following channels: Physical Side Control Channel (Physical Sidelink Control Channel, PSCCH), Physical Side Side Shared Channel (Physical Sidelink Shared Channel, PSSCH ), physical side broadcast channel (Physical Sidelink Broadcast Channel, PSBCH) and physical side feedback channel (Physical Sidelink Feedback Channel, PSFCH), etc.
  • Physical Side Control Channel Physical Sidelink Control Channel, PSCCH
  • Physical Side Side Shared Channel Physical Sidelink Shared Channel
  • PSSCH Physical Sidelink Shared Channel
  • PSBCH Physical Sidelink Broadcast Channel
  • PSFCH Physical Sidelink Feedback Channel
  • the side reference signal in the embodiment of the present application may be any one of the following signals: side CSI-RS, side sounding reference signal (Sounding Reference) (SRS), and side phase tracking reference signal ( Phase Tracking Reference (PT-RS), side demodulation reference signal (Demodulation Reference Signal, DMRS).
  • side CSI-RS side sounding reference signal
  • SRS Sounding Reference
  • PT-RS Phase Tracking Reference
  • DMRS Demodulation Reference Signal
  • the side channel is PSCCH and/or PSSCH and the side reference signal is CSI-RS, the following embodiments are applicable to the side channels and the side channels listed above. Reference signal.
  • the first terminal device may determine the time domain resource of the side reference signal according to the time domain resource of the side channel.
  • the time domain resource may include a time slot where the side reference signal is located and/or a symbol position occupied by the side reference signal in one time slot.
  • the time domain unit may also include the subframe where the side reference signal is located and/or the symbol position occupied by the side reference signal in one subframe.
  • the first terminal device may determine the time slot where the side reference signal is located according to the time slot where the side channel is located. For example, according to the time slot N where the side channel is located, the first terminal device determines that the time slot where the side reference signal is located is (N+k), where the parameter k is an integer, which can be pre-configured according to the protocol (such as the protocol pre-defined ), the configuration information of the network device (for example, the network device can be determined by broadcast channel, radio resource control (RRC) signaling or control information, etc.) or the configuration information of other terminal devices.
  • RRC radio resource control
  • the first terminal device may determine that the transmission resource of the side CSI-RS is in the time slot (N+k). If the parameter k is configured by another terminal device, the other terminal device may be a second terminal device, that is, a terminal device that sends the PSCCH and/or the PSSCH to the first terminal device.
  • the other terminal device may also be a third terminal device, for example, the first terminal device, the second terminal device, and the third terminal device form a communication group, where the third terminal device is a group head and has resource management, allocation, and control And other functions.
  • the first terminal device and the second terminal device are members of the group, and the third terminal device can configure the transmission parameters of the side communication in the group.
  • the second terminal device may also be the group head of the communication group where the first terminal device and the second terminal device are located.
  • the other terminal devices may configure the parameter through the side link.
  • other terminal devices may configure the parameter k to the first terminal device through channels such as PSCCH, PSSCH, PSBCH, and PSFCH, or through side RRC signaling.
  • the first terminal device may determine the time domain symbol occupied by the side reference signal in the time slot according to one of the time domain symbols occupied by the side channel in the time slot. For example, according to the starting time domain symbol M occupied by the side channel in the time slot, the first terminal device determines that the time domain symbol occupied by the side reference signal in the time slot is (M+i), where the parameter i It is an integer, usually a time slot can include 14 time domain symbols, then (M+i) can be no more than 14. Similarly, the parameter i may be determined by protocol preconfiguration information, network device configuration information, or other terminal device configuration information.
  • the first terminal device starts to receive the PSCCH and/or PSSCH on the time domain symbol M in one slot, and the first terminal device can send the side CSI- on the time domain symbol (M+i) in one slot RS.
  • the PSCCH and/or PSSCH and the side CSI-RS may be in one time slot or not in one time slot.
  • the first terminal device receives the PSCCH and/or PSSCH on the symbol M in the time slot N.
  • the first terminal device may send the side CSI-RS on the symbol (M+i) in the time slot N.
  • a terminal device may also transmit the side CSI-RS on the symbol (M+i) in the time slot (N+k).
  • the first terminal device may further further pre-configure information according to the protocol, configuration information of the network device, or other terminal devices. Configuration information to determine the symbol position occupied by the side reference signal in a time slot. For example, the network device and the terminal device may pre-appoint the penultimate symbol or the penultimate symbol in a time slot to send the side row CSI-RS. After determining the time slot in which the lateral CSI-RS is located, the first terminal device may determine to transmit the lateral CSI-RS in the penultimate symbol or the penultimate symbol of the corresponding time slot.
  • the first terminal device may further further according to the protocol Pre-configuration information, configuration information of network equipment or configuration information of other terminal equipment determine the time slot where the side reference signal is located.
  • the network device may configure the first terminal device to send the side CSI-RS in the next time slot of the time slot where the PSCCH and/or PSSCH is located through RRC signaling.
  • the first terminal device determines the symbol position occupied by the side CSI-RS in one time slot, it can send the side CSI at the symbol position determined in the next time slot of the time slot where the PSCCH and/or PSSCH is located -RS.
  • the first terminal device may determine the time slot in which the side reference signal is located according to the time slot where the side channel is located, and determine the side reference signal in a slot according to the symbol position occupied by the side channel in a time slot The symbol position occupied in the time slot, and then the first terminal device can determine the time-frequency resource of the side reference signal.
  • the first terminal device may determine the frequency domain resource of the side reference signal according to the frequency domain resource of the side channel.
  • the frequency domain resource may include at least one of the following information: a frequency domain start position of the side reference signal, a frequency domain resource length of the side reference signal, and a frequency domain end position of the side reference signal.
  • the first terminal device may determine the frequency domain start position of the side reference signal according to the frequency domain start position of the side channel. For example, according to the resource block L where the frequency domain start position of the side channel is located, the first terminal device determines that the frequency domain start position of the side reference signal is in the resource block (L+j), where the parameter j is an integer and the parameter j may be determined by protocol preconfiguration information, network device configuration information, or other terminal device configuration information. For example, the first terminal device receives the PSCCH and/or PSSCH on the frequency domain resource whose starting frequency domain position is Resource Block (RB) L, and the first terminal device may locate (L+ j) Side CSI-RS is transmitted on frequency domain resources.
  • RB Resource Block
  • the starting frequency domain position of the CSI-RS is the same as the starting frequency domain position of the PSCCH and/or PSSCH.
  • the starting position in the frequency domain may be represented by the above RB index value or subband index value.
  • the first terminal device may also determine the frequency domain end position of the side CSI-RS according to the frequency domain end position of the PSCCH and/or PSSCH.
  • the frequency domain end position of the side CSI-RS is the same as the frequency domain end position of the PSCCH and/or PSSCH, or has a certain offset from the frequency domain end position of the PSCCH and/or PSSCH.
  • the frequency domain start position and/or frequency domain end position of the lateral CSI-RS may also be the same as a specific RB in the frequency domain resources occupied by the received PSCCH and/or PSSCH, or may also be the same as the RB Has a certain offset.
  • the offset may be predefined by the protocol, network configuration or other terminal configuration.
  • the first terminal device may determine the frequency domain resource length of the side reference signal according to the frequency domain resource length of the side channel. For example, the first terminal device may determine the frequency domain resource length of the side channel as the frequency domain resource length of the side reference signal. For example, the first terminal device may determine the frequency domain resource length of the CSI-RS according to the frequency domain resource length of the PSCCH and/or PSSCH. If the frequency domain resource length of the received PSCCH and/or PSSCH is Q physical resource blocks (Physical Resource Block, PRB), the first terminal device may determine that the frequency domain resource length of the CSI-RS is also Q PRB (i.e.
  • PRB Physical Resource Block
  • PSCCH and/or PSSCH have the same frequency domain resource length), or (Q/a) PRBs, or have other calculation relationships with Q.
  • the parameter a is a positive integer, and the parameter a may be determined according to protocol preconfiguration information, network device configuration information, or other terminal device configuration information.
  • the first terminal device may further further pre-configure information, network equipment according to the protocol To determine the frequency domain resource length of the side reference signal. For example, the first terminal device may determine the frequency domain starting position of the PSCCH as the frequency domain starting position of the side CSI-RS, and the frequency domain length of the side CSI-RS pre-configured in conjunction with the protocol may be 16 PRBs. Determine the frequency domain resources of the lateral CSI-RS.
  • the first terminal device may determine the frequency domain start position and/or frequency domain end position of the side reference signal according to the frequency domain resources of the side channel, and the first terminal device may also determine the frequency domain of the side channel
  • the resource length determines the frequency domain resource length of the side reference signal.
  • the first terminal device may determine the frequency domain start position of the PSSCH as the frequency domain start position of the side CSI-RS, and determine the frequency domain resource length of the PSSCH as the frequency domain resource length of the side CSI-RS, thereby The frequency domain resources of the lateral CSI-RS can be determined.
  • the first terminal device may determine the frequency domain transmission resources of the side reference signal according to the transmission resources of the multiple side channels. For example, the frequency domain starting position may be determined according to a part of channels in various channels, and the frequency domain resource length may be determined according to another part of channels. Specifically, when the first terminal device receives both the PSCCH and the PSSCH, the first terminal device may determine the frequency domain start position of the side CSI-RS according to the frequency domain start position of the PSCCH, and the frequency domain of the PSSCH The resource length determines the frequency domain resource length of the side CSI-RS.
  • the first terminal device may determine the transmission resources of the side reference signals according to the transmission resources of the multiple side channels.
  • the time domain resource may be determined according to a part of channels in a plurality of channels, and the frequency domain resource may be determined according to another part of channels.
  • the time slot in which one channel is located can be determined, and the starting position in the frequency domain can be determined according to another channel.
  • the first terminal device may determine the time slot of the side CSI-RS according to the time slot in which the PSCCH is located, and determine the side row according to the frequency domain start position of the PSSCH The starting position of the CSI-RS in the frequency domain.
  • the first terminal device may determine the time slot of the side CSI-RS according to the time slot in which the PSCCH is located, and according to the frequency domain starting position and frequency of the PSSCH
  • the domain resource length determines the frequency domain starting position and frequency domain resource length of the side CSI-RS.
  • the first terminal device may determine the transmission resources of the side reference signals according to the transmission resources of the multiple side channels and the protocol preconfiguration information or network configuration information. For example, when the first terminal device receives both the PSCCH and the PSSCH, the first terminal device receives the PSCCH in the time slot P, and determines that the time slot of the side CSI-RS is the time slot P+1 according to the preconfiguration information.
  • the preconfiguration information determines the last symbol of the side CSI-RS in a slot; the frequency domain start position of the side CSI-RS is determined according to the frequency domain start position of the PSSCH, and the side CSI-RS is determined according to the preconfiguration information
  • the frequency domain resource length is 16 RBs.
  • the first terminal device and the second terminal device perform side communication, and the second terminal device sends side data to the first terminal device, including side control information SCI and side data, where SCI is used to carry demodulated data
  • SCI is used to carry demodulated data
  • the required control information such as data transmission resources, modulation and coding strategy (Modulation and Coding Scheme, MCS) and other information.
  • MCS Modulation and Coding Scheme
  • the SCI is carried on the PSCCH channel, and the data is carried on the PSSCH.
  • the transmission resources of the second terminal device to transmit the SCI or data may be allocated according to the network as mentioned above, or selected by the terminal autonomously.
  • the first terminal device sends the lateral CSI-RS to the second terminal device. It is assumed here that the lateral CSI-RS occupies one time domain symbol in the time domain.
  • FIG. 4 is a schematic sequence diagram of a method for side communication provided by an embodiment of the present application. details as follows:
  • Step 1 The second terminal device sends side data, including PSCCH and PSSCH, to the first terminal device in time slot 0.
  • Step 2 The first terminal device sends a side CSI-RS to the second terminal device in time slot 1.
  • Step 3 The second terminal device receives the side CSI-RS sent by the first terminal device, and performs channel measurement and other processing according to the side CSI-RS;
  • Step 4 The second terminal device sends side data in time slot 3, and selects corresponding transmission parameters according to the measurement results of the side CSI-RS, for example, MCS level, PMI, transmission power, and so on.
  • the transmission resource of the side reference signal may also be determined according to the SCI carried in the PSCCH. That is, the second terminal device may indicate the transmission resource of the side reference signal to the first terminal device through the SCI.
  • the SCI may be control information used to carry the scheduled PSSCH, such as time-frequency resource indication information, priority information, and MCS level.
  • the SCI may carry resource indication information of the side reference signal for the first terminal device to determine the time-frequency resource for sending the side reference signal according to the SCI indication.
  • the SCI may indicate time domain resources and/or frequency domain resources of the side reference signal.
  • the resource indication information of the side CSI-RS may include time domain resource indication information of the side CSI-RS, and may specifically include time slot indication information of the side CSI-RS and/or the side CSI -RS time domain symbol indication information.
  • the resource indication information of the side row CSI-RS may only include time domain symbol indication information, then when the first terminal device obtains the time domain symbol indication information of the side row CSI-RS according to the SCI, it may determine the side Time domain symbol occupied by a row of CSI-RS in a slot.
  • the time domain symbol indication information indicates that the side CSI-RS occupies the last symbol in a slot.
  • the time domain symbol indication information may include 4 bits (which may be used to indicate 16 time domain symbols), which are used to indicate the time domain symbols occupied in one slot.
  • the protocol may predefine that the side CSI-RS can only be sent in the last time domain symbol or the penultimate time domain symbol in a time slot, then the time domain symbol indication information may include 1 bit, that is, through A 1-bit value indicates whether it is the penultimate time domain symbol or the second time domain symbol.
  • the time slot where the side CSI-RS is located may be determined by protocol preconfiguration information, network device configuration information, terminal device configuration information, or side channel transmission resources.
  • the network device may configure the side CSI-RS
  • the time slot in which it is located may be determined by the time slot in which the PSCCH carrying the SCI is located.
  • the time slot where the side CSI-RS is located may be the next time slot where the PSCCH carrying the SCI is located, or it may be in the same time slot as the PSCCH carrying the SCI, or it may be scheduled with the SCI
  • the PSSCH is in the same time slot.
  • the resource indication information of the side row CSI-RS may only include time slot indication information, then after the first terminal device obtains the time slot indication information of the side row CSI-RS from the SCI, the side row may be determined The time slot where the CSI-RS is located. At this time, the time domain symbol occupied by the side CSI-RS in one time slot may be determined by protocol preconfiguration information, configuration information of the network device, configuration information of the terminal device, or transmission resources of the side channel. For example, the network device may configure the last or the penultimate symbol of the side CSI-RS in a slot.
  • the time slot indication information may be indicated by a time slot index, which may be used to determine a time slot; or it may also be indicated by a time slot offset indication information, which may be used to indicate side CSI -The time slot offset of the time slot where the RS is located relative to a time domain position (such as the time slot where the PSCCH carrying the SCI is located, or the position of time slot 0 in a radio frame). For example, the offset indicated by the time slot offset indication information relative to the time slot where the PSCCH carrying the SCI is 2, then after receiving the SCI in the time slot N, the first terminal device may be in the time slot (N+2 ) Sends the side CSI-RS.
  • a time slot index which may be used to determine a time slot
  • a time slot offset indication information which may be used to indicate side CSI -The time slot offset of the time slot where the RS is located relative to a time domain position (such as the time slot where the PSCCH carrying the SCI is located, or the position of time slot
  • the resource indication information of the side CSI-RS may include both time slot indication information and time domain symbol indication information, and the first terminal device may determine the time slot where the side CSI-RS is located according to the time slot indication information
  • the symbol occupied by the side CSI-RS in the time slot indicated by the time slot indication information can be determined according to the time domain symbol indication information, and then the time domain resource of the side CSI-RS can be determined.
  • the resource indication information of the side CSI-RS may include frequency domain resource indication information of the side CSI-RS, and may specifically include at least one of the following information: the frequency domain start of the side CSI-RS Location indication information, end position indication information of the side CSI-RS in the frequency domain, and frequency domain length information of the side CSI-RS.
  • the resource indication information of the side row CSI-RS may include only frequency domain start position indication information and/or frequency domain end position indication information.
  • the frequency domain resource length of the side CSI-RS can be determined by protocol preconfiguration information, network device configuration information, terminal device configuration information, or side channel transmission resources.
  • the network device may configure the side CSI-RS to occupy two PRBs in the frequency domain.
  • the first terminal device may use the frequency domain start position indication information or the frequency domain end position indication information to indicate the frequency domain start position or frequency domain end position and the frequency domain resource length occupied by the side CSI-RS configured by the network device, Determine the frequency domain resource of the side CSI-RS.
  • the first terminal device may determine the frequency domain start position or frequency domain end position of the side CSI-RS according to the frequency domain start position indication information or the frequency domain end position indication information, and the frequency domain of the PSSCH scheduled by the SCI
  • the resource length determines the frequency domain resource length of the side CSI-RS.
  • the frequency domain start position indication information or the frequency domain end position indication information may be an RB of a frequency domain position directly indicated or an index value of a subband, or the like. Or it may be an offset relative to a frequency domain position, which may be the frequency domain position corresponding to the lowest resource block/highest resource block or subband of the PSCCH carrying the SCI, or the bandwidth of the carrier
  • the start/end position is either the start/end position of the bandwidth part or the frequency domain position corresponding to the index of the lowest resource block/highest resource block or subband of the synchronization signal.
  • the frequency domain starting position indication information indicates the offset of the frequency domain starting position of the side CSI-RS relative to the frequency domain starting position of the SCI-bearing PSCCH, or the frequency domain starting position indication information indicates the side The offset of the starting position of the frequency domain of the row CSI-RS relative to the starting position of the frequency domain resources of the PSSCH scheduled by the SCI.
  • the resource indication information of the side CSI-RS may include only frequency domain length information, and the frequency domain length information may include information on the number of RBs or subbands occupied by the side CSI-RS.
  • the frequency domain start position or frequency domain end position of the side CSI-RS can be determined by protocol preconfiguration information, network device configuration information, terminal device configuration information, or side channel transmission resources.
  • the frequency domain starting position of the side CSI-RS may be configured as an offset of a frequency domain position, and the one frequency domain position may be an agreed resource.
  • the frequency domain starting position of the side CSI-RS may also be the same as the frequency domain starting position of the PSCCH carrying SCI.
  • the resource indication information of the side row CSI-RS may include frequency domain start position indication information and frequency domain end position indication information, or the side row CSI-RS resource indication information may include frequency domain start position indication information Sum any one of the frequency domain end position indication information and frequency domain length information.
  • the time slot may be replaced with a subframe, that is, the time slot indication information may be replaced with subframe indication information.
  • the first terminal device determines the time slot where the side reference signal is located according to the time slot where the side channel is located, or the first terminal device determines the sub frame where the side reference signal is located according to the sub frame where the side channel is located.
  • the second terminal device may also indicate the transmission resource of the side reference signal to the first terminal device through the SCI and the transmission resource of the side channel.
  • the second terminal device may indicate the time domain resource of the side reference signal to the first terminal device through the SCI, and indicate the frequency domain resource of the side reference signal to the first terminal device through the transmission resource of the side channel.
  • the second terminal device may indicate the time slot where the side reference signal is located to the first terminal device through the SCI, and indicate the time domain occupied by the side reference signal in a time slot to the first terminal device through the transmission resource of the side channel Symbols etc. It should be understood that various possible joint indication methods are within the protection scope of the embodiments of the present application.
  • the first terminal device may also obtain the transmission period of the side reference signal.
  • the transmission period may be predefined by a protocol, network device configuration, terminal device configuration, or through SCI instructions.
  • the first terminal device may periodically send the side reference signal on the determined fixed resource.
  • the transmission period of the side CSI-RS is 2 ms. If the first terminal device transmits the side CSI-RS for the first time in the next time slot (N+1) of the time slot N where the PSCCH is received, the first The terminal device will transmit the side CSI-RS for the second time in a time slot of 2 ms after the time slot (N+1), and so on.
  • the second terminal device may also carry indication information in the SCI to indicate whether the first terminal device sends the side reference signal.
  • the side reference signal is not always sent, and the first terminal device may send the side reference signal according to the instruction information of the second terminal device. Specifically, the second terminal device may carry indication information in the SCI to instruct the first terminal device to send the side reference signal. Combined with the above method for determining the transmission resource of the side reference signal, the first terminal device may send the side reference signal on the determined time-frequency resource, and similarly, the second terminal device may receive the side reference on the time-frequency resource Signal for channel measurement.
  • the second terminal device may include an indication field in the SCI to explicitly indicate whether the first terminal device sends the side reference signal.
  • the indication field is 1 bit, 1 means sending, and 0 means not sending.
  • the second terminal device may also implicitly indicate whether the first terminal device sends the side reference signal through SCI.
  • whether to send the side reference signal may be implicitly indicated by the scrambling sequence of SCI or the format of SCI.
  • the SCI indicates sending, and when the second scrambling code sequence is used to scramble the SCI, the SCI indicates not to send.
  • the SCI instruction is sent, and when the second SCI format is adopted, the SCI instruction is not sent.
  • the indication information is implicitly carried by scrambling the encoded SCI bit sequence.
  • the bit sequence of the encoded SCI is: b(0),...b(M bit -1), where M bit represents the length of the encoded bit. Scrambling the sequence as follows: Where c(i) represents the scrambling sequence. Different scrambling code sequences are used to indicate different indication information. The first terminal device uses different scrambling code sequences for descrambling to determine the indication information.
  • the information bits of the SCI are used to calculate a Cyclic Redundancy Check (Cyclic Redundancy Check, CRC) sequence, and the CRC sequence is appended to the SCI information bits, and some bits of the CRC sequence are scrambled, by using different
  • the scrambling sequence carries different indication information.
  • the information bit sequence of SCI is a 0 , a 1 , ..., a A-1
  • the CRC sequence generated from this information bit sequence is p 0 , p 1 , ..., p L-1
  • the specific operation is:
  • K A+L.
  • A represents the SCI information bit length
  • L represents the CRC check bit length.
  • different scrambling sequences ie, different RNTIs
  • different scrambling sequences correspond to different indication information
  • the protocol may be predefined or the network device preconfigures the scrambling code sequence and the indication information of the SCI or the format and the indication information of the SCI Mapping relationship.
  • FIG. 5 is a schematic block diagram of a side communication method 200 according to an embodiment of the present application.
  • the method may be performed by a terminal device as a sending end in FIG. 1 or FIG. 2, as shown in FIG. 5, the method 200 includes some or all of the following:
  • the second terminal device determines the transmission resource of the side reference signal according to the transmission resource of the side channel.
  • the second terminal device receives the side reference signal on the transmission resource of the side reference signal.
  • the second terminal device determining the transmission resource of the side reference signal according to the transmission resource of the side channel includes: the second terminal device according to the side The time domain resource of the side channel, determining the time domain resource of the side reference signal; and/or the second terminal device determining the frequency domain resource of the side reference signal according to the frequency domain resource of the side channel .
  • the second terminal device determining the time domain resource of the side reference signal according to the time domain resource of the side channel includes: The time slot in which the side channel is located determines the time slot in which the side reference signal is located.
  • the second terminal device determining the frequency domain resource of the side reference signal according to the frequency domain resource of the side channel includes: The frequency domain starting position of the side channel, determining the frequency domain starting position of the side reference signal; and/or the second terminal device determining the side according to the frequency domain resource length of the side channel The frequency domain resource length of the horizontal reference signal.
  • the method further includes: the second terminal device pre-configuration information according to a protocol, configuration information of a network device, or configuration information of a terminal device other than the first terminal device , Determine at least one of the following information: the time domain symbol occupied by the side reference signal in the time slot, the frequency domain start position of the side reference signal, and the frequency domain resource of the side reference signal length.
  • the method further includes: the second terminal device sends side control information SCI to the first terminal device, where the SCI is used to instruct the first terminal device to send The side reference signal.
  • the SCI includes an indication field, where the indication field is used to instruct the first terminal device to send the side reference signal.
  • the scrambling code sequence used by the SCI is used to instruct the first terminal device to send the side reference signal.
  • the side channel includes at least one of the following channels: a physical side control channel PSCCH, a physical side shared channel PSSCH, and a physical side feedback channel PSFCH.
  • the side reference signal includes a side CSI-RS, a side SRS, a side PT-RS, or a side DMRS.
  • the interaction and related characteristics and functions between the second terminal device and the first terminal device described by the second terminal device correspond to the related characteristics and functions of the first terminal device. That is, what message the first terminal device sends to the second terminal device, and the second terminal device receives the corresponding message from the first terminal device.
  • the side communication method according to an embodiment of the present application is described in detail above.
  • the device for side communication according to an embodiment of the present application will be described below with reference to FIGS. 6 to 8.
  • the technical features described in the method embodiments are applicable to the following Device embodiment.
  • FIG. 6 shows a schematic block diagram of the terminal device 300 according to an embodiment of the present application.
  • the terminal device 300 is a first terminal device. As shown in FIG. 6, the terminal device 300 includes:
  • the transceiver unit 310 is configured to receive the side channel sent by the second terminal device
  • the processing unit 320 is configured to determine the transmission resource of the side reference signal according to the transmission resource of the side channel.
  • the processing unit 320 is specifically configured to: determine the time domain resource of the side reference signal according to the time domain resource of the side channel; and/or based on the side The frequency domain resource of the horizontal channel determines the frequency domain resource of the side reference signal.
  • the processing unit 320 is specifically configured to determine the time slot where the side reference signal is located according to the time slot where the side channel is located.
  • the processing unit 320 is specifically configured to: determine the frequency domain start position of the side reference signal according to the frequency domain start position of the side channel; and/or , Determine the frequency domain resource length of the side reference signal according to the frequency domain resource length of the side channel.
  • the processing unit 320 is further configured to determine the following according to protocol preconfiguration information, configuration information of a network device, or configuration information of a terminal device other than the first terminal device At least one of the information: the time domain symbol occupied by the side reference signal in the time slot, the frequency domain start position of the side reference signal, and the frequency domain resource length of the side reference signal.
  • the processing unit 320 is further configured to: obtain side control information SCI sent by the second terminal device; the processing unit 320 is specifically configured to: according to the SCI and all The transmission resources of the side channel are determined to determine the transmission resources of the side reference signal.
  • the SCI is used to indicate the time domain resource of the side reference signal and/or the frequency domain resource of the side reference signal.
  • the processing unit 320 is specifically configured to: when the SCI instructs to send the side reference signal, determine the side according to the transmission resource of the side channel Transmission resources for horizontal reference signals.
  • the SCI includes an indication field
  • the processing unit 320 is specifically configured to: according to the indication field, determine to send the side reference signal.
  • the processing unit 320 is specifically configured to: according to the scrambling code sequence used by the SCI, determine to send the side reference signal.
  • the processing unit 320 is further configured to: obtain the transmission period of the side reference signal from at least one of the following information: protocol preconfiguration information, network device Configuration information and side control information SCI.
  • the side channel includes at least one of the following channels: a physical side control channel PSCCH, a physical side shared channel PSSCH, and a physical side feedback channel PSFCH.
  • the side reference signal includes a side CSI-RS, a side SRS, a side PT-RS, or a side DMRS.
  • terminal device 300 may correspond to the first terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of the units in the terminal device 300 are respectively for implementing the method of FIG. 3
  • the corresponding process of the first terminal device in the system will not be repeated here.
  • FIG. 7 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • the terminal device 400 is a second terminal device. As shown in FIG. 7, the terminal device 400 includes:
  • the processing unit 410 is configured to determine the transmission resource of the side reference signal according to the transmission resource of the side channel;
  • the transceiver unit 420 is configured to receive the side reference signal on the transmission resource of the side reference signal.
  • the processing unit 410 is specifically configured to: determine the time domain resource of the side reference signal according to the time domain resource of the side channel; and/or according to the side The frequency domain resource of the horizontal channel determines the frequency domain resource of the side reference signal.
  • the processing unit 410 is specifically configured to determine the time slot where the side reference signal is located according to the time slot where the side channel is located.
  • the processing unit 410 is specifically configured to: determine the frequency domain start position of the side reference signal according to the frequency domain start position of the side channel; and/or The frequency domain resource length of the side reference signal is determined according to the frequency domain resource length of the side channel.
  • the processing unit 410 is further configured to determine the following according to protocol preconfiguration information, configuration information of a network device, or configuration information of a terminal device other than the first terminal device At least one of the information: the time domain symbol occupied by the side reference signal in the time slot, the frequency domain start position of the side reference signal, and the frequency domain resource length of the side reference signal.
  • the transceiver unit 420 is further configured to: send sideline control information SCI to the first terminal device, where the SCI is used to instruct the first terminal device to send the side Reference signal.
  • the SCI includes an indication field, where the indication field is used to instruct the first terminal device to send the side reference signal.
  • the scrambling code sequence used by the SCI is used to instruct the first terminal device to send the side reference signal.
  • the side channel includes at least one of the following channels: a physical side control channel PSCCH, a physical side shared channel PSSCH, and a physical side feedback channel PSFCH.
  • the side reference signal includes a side CSI-RS, a side SRS, a side PT-RS, or a side DMRS.
  • terminal device 400 may correspond to the second terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 400 are respectively for implementing the method of FIG. 5
  • the corresponding process of the second terminal device in the system will not be repeated here.
  • an embodiment of the present application further provides a terminal device 500.
  • the terminal device 500 may be the terminal device 300 in FIG. 6, which can be used to execute the first terminal device corresponding to the method 100 in FIG. 3. Content.
  • the terminal device 500 may also be the terminal device 400 in FIG. 7, which can be used to execute the content of the second terminal device corresponding to the method 200 in FIG. 5.
  • the terminal device 500 shown in FIG. 8 includes a processor 510, and the processor 510 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the terminal device 500 may further include a memory 520.
  • the processor 510 can call and run a computer program from the memory 520 to implement the method in the embodiments of the present application.
  • the memory 520 may be a separate device independent of the processor 510, or may be integrated in the processor 510.
  • the terminal device 500 may further include a transceiver 530, and the processor 510 may control the transceiver 530 to communicate with other devices, specifically, may send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 530 may include a transmitter and a receiver.
  • the transceiver 530 may further include antennas, and the number of antennas may be one or more.
  • the terminal device 500 may be the terminal device of the embodiment of the present application, and the terminal device 500 may implement the corresponding process implemented by the first terminal device in each method of the embodiment of the present application. Repeat.
  • the processing unit in the terminal device 300/terminal device 400 may be implemented by the processor 510 in FIG. 8.
  • the transceiver unit in the terminal device 300/terminal device 400 may be implemented by the transceiver 530 in FIG. 8.
  • FIG. 9 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 600 shown in FIG. 9 includes a processor 610, and the processor 610 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 600 may further include a memory 620.
  • the processor 610 can call and run a computer program from the memory 620 to implement the method in the embodiments of the present application.
  • the memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.
  • the chip 600 may further include an input interface 630.
  • the processor 610 can control the input interface 630 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
  • the chip 600 may further include an output interface 640.
  • the processor 610 can control the output interface 640 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.
  • the chip can be applied to the terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • chips mentioned in the embodiments of the present application may also be referred to as system-level chips, system chips, chip systems, or system-on-chip chips.
  • FIG. 10 is a schematic block diagram of a communication system 700 provided by an embodiment of the present application. As shown in FIG. 10, the communication system 700 includes a first terminal device 710 and a second terminal device 720.
  • the first terminal device 710 may be used to implement the corresponding function implemented by the first terminal device in the above method
  • the second terminal device 720 may be used to implement the corresponding function implemented by the second terminal device in the above method
  • I will not repeat them here.
  • the processor in the embodiment of the present application may be an integrated circuit chip, which has signal processing capabilities.
  • the steps of the foregoing method embodiments may be completed by instructions in the form of hardware integrated logic circuits or software in the processor.
  • the aforementioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an existing programmable gate array (Field Programmable Gate Array, FPGA), or other available Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware decoding processor, or may be executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a mature storage medium in the art, such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, an electrically erasable programmable memory, and a register.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the 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), electronically Erase Programmable Read Only Memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM 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 DDR SDRAM
  • enhanced SDRAM ESDRAM
  • Synchlink DRAM SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiments of the present application may also be 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) SDRAM (DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on.
  • static random access memory static random access memory
  • DRAM dynamic random access memory
  • SDRAM Synchronous dynamic random access memory
  • DDR SDRAM double data rate synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • synchronous connection Dynamic random access memory switch link DRAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may be applied to the network device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application.
  • the computer-readable storage medium can be applied to the terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, for simplicity And will not be repeated here.
  • An embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product may be applied to the network device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. Repeat again.
  • the computer program product can be applied to the terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application. I will not repeat them here.
  • An embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program runs on the computer, the computer is allowed to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. And will not be repeated here.
  • the computer program can be applied to the terminal device in the embodiments of the present application.
  • the computer program runs on the computer, the computer is allowed to execute the corresponding process implemented by the terminal device in each method of the embodiments of the present application. And will not be repeated here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the unit is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical, or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place or may be distributed on multiple network units. Some or all of the units may 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 alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium.
  • the technical solution of the present application essentially or part of the contribution to the existing technology or part of the technical solution can be embodied in the form of a software product
  • the computer software product is stored in a storage medium, including Several instructions are used to enable a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, Read-Only Memory (ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

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Abstract

本申请实施例公开了一种侧行通信的方法和终端设备，该方法包括：第一终端设备接收第二终端设备发送的侧行信道；所述第一终端设备根据所述侧行信道的传输资源，确定侧行参考信号的传输资源。本申请实施例的方法和终端设备，有利于降低信令开销，同时也降低了检测侧行参考信号的复杂度。

Description

侧行通信的方法和终端设备 技术领域
本申请实施例涉及通信领域，具体涉及一种侧行通信的方法和终端设备。
背景技术
为了提高系统的吞吐量，终端可以基于一些参考信号对信道进行测量，根据测量结果选取合适的传输参数，例如，根据信道状态信息参考信号(Channel State Information-Reference Signals，CSI-RS)进行信道测量，选取各种质量信息并反馈到发送端，从而提高系统的吞吐量。
在车联网(Vehicle to Everything，V2X)系统中，也引入了各种侧行参考信号，如何在侧行链路上发送侧行参考信号是需要解决的问题。
发明内容
本申请实施例提供一种侧行通信的方法和终端设备，可以降低检测侧行参考信号的复杂度，同时也有利于降低信令开销。
第一方面，提供了一种侧行通信的方法，所述方法包括：第一终端设备接收第二终端设备发送的侧行信道；所述第一终端设备根据所述侧行信道的传输资源，确定侧行参考信号的传输资源。
第二方面，提供了一种侧行通信的方法，所述方法包括：第二终端设备根据侧行信道的传输资源，确定侧行参考信号的传输资源；所述第二终端设备在所述侧行参考信号的传输资源上接收所述侧行参考信号。
第三方面，提供了一种终端设备，用于执行上述第一方面或其各实现方式中的方法。
具体地，该终端设备包括用于执行上述第一方面或其各实现方式中的方法的功能模块。
第四方面，提供了一种终端设备，用于执行上述第二方面或其各实现方式中的方法。
具体地，该终端设备包括用于执行上述第二方面或其各实现方式中的方法的功能模块。
第五方面，提供了一种终端设备，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，执行上述第一方面至第二方面中任一方面或其各实现方式中的方法。
第六方面，提供了一种芯片，用于实现上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
具体地，该芯片包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有该芯片的设备执行如上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
第七方面，提供了一种计算机可读存储介质，用于存储计算机程序，该计算机程序使得计算机执行上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
第八方面，提供了一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
第九方面，提供了一种计算机程序，当其在计算机上运行时，使得计算机执行上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
通过上述技术方案，第一终端设备基于第二终端设备发送的侧行信道的传输资源，确定要发送的侧行参考信号的传输资源，能够实现第一终端设备在确定的传输资源上传输侧行参考信号，而第二终端设备也能够在确定的传输资源上检测侧行参考信号，从而降低了检测侧行参考信号的复杂度，并且通过侧行信道的传输资源隐式指示侧行参考信号的传输资源，也可以降低信令开销。
附图说明
图1是本申请实施例提供的一种侧行通信系统的示意性图。
图2是本申请实施例提供的一种侧行通信系统的示意性图。
图3是本申请实施例提供的侧行通信的方法的一种示意性框图。
图4是本申请实施例提供的侧行通信的方法的一种示意性时序图。
图5是本申请实施例提供的侧行通信的方法的另一种示意性框图。
图6是本申请实施例提供的终端设备的一种示意性框图。
图7是本申请实施例提供的终端设备的另一种示意性框图。
图8是本申请实施例提供的终端设备的另一种示意性框图。
图9是本申请实施例提供的一种芯片的示意性框图。
图10是本申请实施例提供的一种通信系统的示意性框图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
应理解，本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进LTE系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信系统、新无线(New Radio，NR)或未来的5G系统等。
特别地，本申请实施例的技术方案可以应用于各种基于非正交多址接入技术的通信系统，例如稀疏码多址接入(Sparse Code Multiple Access，SCMA)系统、低密度签名(Low Density Signature，LDS)系统等，当然SCMA系统和LDS系统在通信领域也可以被称为其他名称；进一步地，本申请实施例的技术方案可以应用于采用非正交多址接入技术的多载波传输系统，例如采用非正交多址接入技术正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM)、滤波器组多载波(Filter Bank Multi-Carrier，FBMC)、通用频分复用(Generalized Frequency Division Multiplexing，GFDM)、滤波正交频分复 用(Filtered-OFDM，F-OFDM)系统等。
本申请实施例中的终端设备可以指用户设备(User Equipment，UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，未来5G网络中的终端设备或者未来演进的公用陆地移动通信网络(Public Land Mobile Network，PLMN)中的终端设备等，本申请实施例并不限定。
本申请实施例中的网络设备可以是用于与终端设备通信的设备，该网络设备可以是GSM或CDMA中的基站(Base Transceiver Station，BTS)，也可以是WCDMA系统中的基站(NodeB，NB)，还可以是LTE系统中的演进型基站(Evolutional NodeB，eNB或eNodeB)，还可以是云无线接入网络(Cloud Radio Access Network，CRAN)场景下的无线控制器，或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络设备或者未来演进的PLMN网络中的网络设备等，本申请实施例并不限定。
图1和图2是本申请实施例的一个应用场景的示意图。图1示例性地示出了一个网络设备和两个终端设备，可选地，该无线通信系统可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端设备，本申请实施例对此不做限定。此外，该无线通信系统还可以包括移动管理实体(Mobile Management Entity，MME)、服务网关(Serving Gateway，S-GW)、分组数据网络网关(Packet Data Network Gateway，P-GW)等其他网络实体，但本申请实施例不限于此。
具体地，终端设备20和终端设备30可以以设备到设备(Device to Device，D2D)通信模式进行通信，在进行D2D通信时，终端设备20和终端设备30通过D2D链路即侧行链路(Sidelink，SL)直接进行通信。例如图1或者图2所示，终端设备20和终端设备30通过侧行链路直接进行通信。在图1中，终端设备20和终端设备30之间通过侧行链路通信，其传输资源是由网络设备分配的；在图2中，终端设备20和终端设备30之间通过侧行链路通信，其传输资源是由终端设备自主选取的，不需要网络设备分配传输资源。
D2D通信模式可以应用于车对车(Vehicle to Vehicle，V2V)通信或车辆到其他设备(Vehicle to Everything，V2X)通信。在V2X通信中，X可以泛指任何具有无线接收和发送能力的设备，例如但不限于慢速移动的无线装置，快速移动的车载设备，或是具有无线发射接收能力的网络控制节点等。应理解，本申请实施例主要应用于V2X通信的场景，但也可以应用于任意其它D2D通信场景，本申请实施例对此不做任何限定。
在3GPP协议的版本Release-14中对LTE-V2X进行了标准化，定义了两种传输模式，即传输模式3(mode 3)和传输模式4(mode 4)。使用传输模式3的终端设备的传输资源是由基站分配的，终端设备根据基站分配的资源在侧行链路上进行数据的发送；基站可以为终端设备分配单次传输的资源，也可以为终端设备分配半静态传输的资源。使用传输模式4的终端设备如果具备侦听能力，采用侦听(sensing)和预留(reservation)的方式传输数据，如果终端设备不具备侦听能力，则在资源池中随机选取传输资源。具备 侦听能力的终端设备在资源池中通过侦听的方式获取可用的资源集合，终端设备从该集合中随机选取一个资源进行数据传输。由于车联网系统中的业务具有周期性特征，因此终端设备通常采用半静态传输的方式，即终端设备选取一个传输资源后，就会在多个传输周期中持续的使用该资源，从而降低资源重选以及资源冲突的概率。终端设备会在本次传输的控制信息中携带预留下次传输资源的信息，从而使得其他终端设备可以通过检测该终端设备的控制信息判断这块资源是否被该终端设备预留和使用，达到降低资源冲突的目的。
在NR-V2X系统中，引入了多种传输模式，例如，模式1和模式2，其中，模式1是网络为终端分配传输资源(类似与LTE-V2X中的mode 3)，模式2是终端选取传输资源，在模式2下又包括但不限于以下几种模式：
mode 2a：终端自主选取传输资源(类似于LTE-V2X中的mode 4)；例如，终端在一个预配置或网络配置的资源池中自主选取资源(可以通过随机的方式选取资源，或者通过侦听的方式选取资源)。
mode 2b：终端辅助其他终端选取资源；例如，第一终端向第二终端发送辅助信息，该辅助信息可以包括但不限于：可用的时频资源信息，可用的传输资源集合信息，信道测量信息和信道质量信息(如信道状态信息(Channel State Information，CSI)、信道质量指示(Channel Quality Indicator，CQI)、预编码矩阵指示(Precoding Matrix Indicator，PMI)、秩指示(rank indication，RI)、参考信号接收功率(Reference Signal Receiving Power，RSRP)、参考信号接收质量(Reference Signal Receiving Quality，RSRQ)、接收信号的强度指示(Received Signal Strength Indicator，RSSI)、路损信息等)。
mode 2c：终端在为其配置的传输资源中选取资源；例如，网络为每个终端配置多个传输资源，当终端有侧行数据传输时，从网络配置的多个传输资源中选择一个传输资源进行数据传输。
mode 2d：第一终端为第二终端分配传输资源；例如，第一终端为组通信的组头，第二终端是该组的组成员，第一终端直接为第二终端分配侧行链路传输的时频资源。
在NR-V2X中，需要支持自动驾驶，因此对车辆之间数据交互提出了更高的要求，如更高的吞吐量、更低的时延、更高的可靠性、更大的覆盖范围、更灵活的资源分配等。
为了提高系统的吞吐量，终端可以对信道进行测量，根据测量结果选取合适的传输参数，例如，根据CSI-RS进行信道测量，选取CQI、PMI、RI等信息并反馈到发送端，发送端根据反馈信息选取合适的传输参数，从而提高系统的吞吐量。
在NR-V2X的侧行链路上，也引入了各种侧行参考信号，如何在侧行链路上发送侧行参考信号是需要解决的问题。
图3为本申请实施例提供的一种侧行通信的方法100的示意性框图。该方法可以由图1或图2中作为接收端的某个终端设备执行，如图3所示，该方法100包括以下部分或全部内容：
S110，第一终端设备接收第二终端设备发送的侧行信道。
S120，所述第一终端设备根据所述侧行信道的传输资源，确定侧行参考信号的传输资源。
具体地，第二终端设备可以确定侧行信道的传输资源，并在确定的传输资源上向第一终端设备发送该侧行信道，第二终端设备可以通过该侧行信道的传输资源向第一终端 设备指示侧行参考信号的传输资源，也就是说，第一终端设备在获取到侧行信道的传输资源之后，可以根据该侧行信道的传输资源，确定侧行参考信号的传输资源，进而第一终端设备可以在确定的传输资源上传输侧行参考信号。第二终端设备同样也可以先基于侧行信道的传输资源，确定第一终端设备发送侧行参考信号的传输资源，并在确定的接收资源上接收侧行参考信号。其中，该传输资源可以是时频资源。
需要说明的是，针对侧行信道，第一终端设备为接收端，侧行信道的传输资源即为侧行信道的接收资源，而第二终端设备为发送端，侧行信道的传输资源即为侧行信道的发送资源。同样地，针对侧行参考信号，第一终端设备为发送端，侧行参考信号的传输资源即为侧行参考信号的发送资源，而第二终端设备为接收端，侧行参考信号的传输资源即为侧行参考信号的接收资源。
可选地，本申请实施例中的侧行信道可以包括以下信道中的至少一种信道：物理侧行控制信道(Physical Sidelink Control Channel，PSCCH)、物理侧行共享信道(Physical Sidelink Share Channel，PSSCH)、物理侧行广播信道(Physical Sidelink Broadcast Channel，PSBCH)和物理侧行反馈信道(Physical Sidelink Feedback Channel，PSFCH)等。
可选地，本申请实施例中的侧行参考信号可以是以下信号中的任意一种：侧行CSI-RS，侧行探测参考信号(Sounding Reference Signal，SRS)，侧行相位跟踪参考信号(Phase Tracking Reference Signal,PT-RS)，侧行解调参考信号(Demodulation Reference Signal，DMRS)。
应理解，虽然下文多以侧行信道为PSCCH和/或PSSCH，侧行参考信号为CSI-RS为例进行描述的，但以下各种实施例均适用于上述所列举的各侧行信道和侧行参考信号。
可选地，第一终端设备可以根据侧行信道的时域资源，确定侧行参考信号的时域资源。该时域资源可以包括侧行参考信号所在的时隙和/或侧行参考信号在一个时隙中所占据的符号位置。或者，该时域单元也可以包括侧行参考信号所在的子帧和/或侧行参考信号在一个子帧中所占据的符号位置。
可选地，第一终端设备可以根据侧行信道所在的时隙，确定侧行参考信号所在的时隙。例如，第一终端设备根据侧行信道所在的时隙N，确定侧行参考信号所在的时隙为(N+k)，其中，参数k为整数，可以根据协议预配置信息(如协议预定义)、网络设备的配置信息(如网络设备可以通过广播信道、无线资源控制(Radio Resource Control，RRC)信令或控制信息等)或者其他终端设备的配置信息确定的。例如，若第一终端设备在时隙N接收到PSCCH和/或PSSCH，第一终端设备可以确定侧行CSI-RS的传输资源在时隙(N+k)。若参数k为其他终端设备配置的，该其他终端设备可以是第二终端设备，也就是向第一终端设备发送所述PSCCH和/或所述PSSCH的终端设备。该其他终端设备也可以是第三终端设备，例如，第一终端设备、第二终端设备以及第三终端设备组成一个通信组，其中，第三终端设备是组头，具有资源管理、分配、控制等功能。而第一终端设备和第二终端设备则是组成员，第三终端设备可以配置该组中侧行通信的传输参数。应理解，当参数k由第二终端设备配置时，该第二终端设备也可以是第一终端设备和第二终端设备所在通信组的组头。当参数k是由其他终端设备配置时，其他终端设备可以通过侧行链路配置该参数。例如，其他终端设备可以通过PSCCH、PSSCH、PSBCH、PSFCH等信道，或者通过侧行RRC信令向第一终端设备配置该参数k。
可选地，第一终端设备可以根据侧行信道在时隙中所占据的其中一个时域符号，确 定侧行参考信号在时隙中所占据的时域符号。例如，第一终端设备根据侧行信道在时隙中所占据的起始时域符号M，确定侧行参考信号在时隙中所占据的时域符号为(M+i)，其中，参数i为整数，通常一个时隙可以包括14个时域符号，那么(M+i)可以不大于14。同样地，该参数i可以由协议预配置信息、网络设备的配置信息或其他终端设备的配置信息确定。例如，第一终端设备在一个时隙中的时域符号M上开始接收到PSCCH和/或PSSCH，第一终端设备可以在一个时隙的时域符号(M+i)上发送侧行CSI-RS。此时，该PSCCH和/或PSSCH与侧行CSI-RS可以在一个时隙内，也可以不在一个时隙内。例如，第一终端设备在时隙N中的符号M上接收到PSCCH和/或PSSCH，第一终端设备可以在该时隙N中的符号(M+i)上发送侧行CSI-RS，第一终端设备也可以在时隙(N+k)中的符号(M+i)上发送侧行CSI-RS。
当第一终端设备根据侧行信道所在的时隙，确定侧行参考信号所在的时隙之后，该第一终端设备也可以进一步地根据协议预配置信息、网络设备的配置信息或其他终端设备的配置信息来确定侧行参考信号在一个时隙中所占的符号位置。例如，网络设备和终端设备可以预先约定好在一个时隙中的倒数第一个符号或倒数第二个符号发送侧行CSI-RS。当第一终端设备在确定了侧行CSI-RS所在的时隙之后，可以确定在相应时隙的倒数第一个符号或倒数第二个符号发送侧行CSI-RS。
或者，当第一终端设备根据侧行信道在一个时隙中所占的符号位置，确定侧行参考信号在一个时隙中所占据的符号位置之后，该第一终端设备也可以进一步地根据协议预配置信息、网络设备的配置信息或其他终端设备的配置信息来确定侧行参考信号所在的时隙。例如，网络设备可以通过RRC信令向第一终端设备配置在PSCCH和/或PSSCH所在时隙的下一个时隙发送侧行CSI-RS。当第一终端设备确定了侧行CSI-RS在一个时隙中所占据的符号位置之后，可以在PSCCH和/或PSSCH所在时隙的下一个时隙中所确定的符号位置上发送侧行CSI-RS。
或者，第一终端设备可以分别根据侧行信道所在的时隙，确定侧行参考信号所在的时隙，以及根据侧行信道在一个时隙中所占据的符号位置，确定侧行参考信号在一个时隙中所占据的符号位置，进而第一终端设备可以确定侧行参考信号的时频资源。
可选地，第一终端设备可以根据侧行信道的频域资源，确定侧行参考信号的频域资源。该频域资源可以包括以下信息中的至少一种：侧行参考信号的频域起始位置、侧行参考信号的频域资源长度和侧行参考信号的频域结束位置。
可选地，第一终端设备可以根据侧行信道的频域起始位置，确定侧行参考信号的频域起始位置。例如，第一终端设备根据侧行信道的频域起始位置所在的资源块L，确定侧行参考信号的频域起始位置在资源块(L+j)，其中，参数j为整数，参数j可以是由协议预配置信息、网络设备的配置信息或其他终端设备的配置信息确定。例如，第一终端设备在起始频域位置为资源块(Resource Block，RB)L的频域资源上接收到PSCCH和/或PSSCH，第一终端设备可以在起始频域位置为(L+j)的频域资源上传输侧行CSI-RS。当j为0时，CSI-RS的起始频域位置与PSCCH和/或PSSCH的起始频域位置相同。该频域起始位置可以是由上述的RB索引值或者子带索引值表示。同样地，第一终端设备也可以根据PSCCH和/或PSSCH的频域结束位置，来确定侧行CSI-RS的频域结束位置。例如，该侧行CSI-RS的频域结束位置和PSCCH和/或PSSCH的频域结束位置相同，或者与PSCCH和/或PSSCH的频域结束位置有一定的偏移量，可选地，该侧行CSI-RS的 频域起始位置和/或频域结束位置也可以是与接收到的PSCCH和/或PSSCH所占据的频域资源中的某一特定RB相同，或者也可以与该RB具有一定的偏移量。该偏移量可以是由协议预定义、网络配置或其他终端配置的。
可选地，第一终端设备可以根据侧行信道的频域资源长度，确定侧行参考信号的频域资源长度。例如，第一终端设备可以将侧行信道的频域资源长度确定为侧行参考信号的频域资源长度。例如，第一终端设备可以根据PSCCH和/或PSSCH的频域资源长度，来确定CSI-RS的频域资源长度。若接收到的PSCCH和/或PSSCH的频域资源长度为Q个物理资源块(Physical Resource Block，PRB)，第一终端设备可以确定CSI-RS的频域资源长度也为Q个PRB(即与PSCCH和/或PSSCH的频域资源长度相同)，或者是(Q/a)个PRB，或者与Q有其他的运算关系。其中，参数a为正整数，参数a可以是根据协议预配置信息、网络设备的配置信息或其他终端设备的配置信息确定的。
当第一终端设备根据侧行信道的频域资源，确定侧行参考信号的频域起始位置和/或频域结束位置之后，第一终端设备也可以进一步地根据协议预配置信息、网络设备的配置信息或其他终端设备的配置信息来确定该侧行参考信号的频域资源长度。例如，第一终端设备可以将PSCCH的频域起始位置确定为侧行CSI-RS的频域起始位置，结合协议预配置的侧行CSI-RS的频域长度为16个PRB，即可确定侧行CSI-RS的频域资源。
或者，第一终端设备可以既根据侧行信道的频域资源，确定侧行参考信号的频域起始位置和/或频域结束位置之后，第一终端设备也可以根据侧行信道的频域资源长度来确定该侧行参考信号的频域资源长度。例如，第一终端设备可以将PSSCH的频域起始位置确定为侧行CSI-RS的频域起始位置，将PSSCH的频域资源长度确定为侧行CSI-RS的频域资源长度，从而可以确定侧行CSI-RS的频域资源。
当第一终端设备接收到多种侧行信道之后，可以根据多种侧行信道的传输资源，确定侧行参考信号的频域传输资源。例如，可以根据多种信道中的一部分信道确定频域起始位置，根据另一部分信道确定频域资源长度。具体地，当第一终端设备既接收到PSCCH，又接收到PSSCH，第一终端设备可以根据其中PSCCH的频域起始位置确定侧行CSI-RS的频域起始位置，根据PSSCH的频域资源长度确定侧行CSI-RS的频域资源长度。
当第一终端设备接收到多种侧行信道之后，可以根据多种侧行信道的传输资源，确定侧行参考信号的传输资源。例如，可以根据多种信道中的一部分信道确定时域资源，根据另一部分信道确定频域资源。再例如，可以根据一种信道确定所在的时隙，根据另一种信道确定频域起始位置等。例如，当第一终端设备既接收到PSCCH，又接收到PSSCH，第一终端设备可以根据其中PSCCH所在的时隙确定侧行CSI-RS的时隙，根据PSSCH的频域起始位置确定侧行CSI-RS的频域起始位置。又例如，当第一终端设备既接收到PSCCH，又接收到PSSCH，第一终端设备可以根据其中PSCCH所在的时隙确定侧行CSI-RS的时隙，根据PSSCH的频域起始位置和频域资源长度确定侧行CSI-RS的频域起始位置和频域资源长度。
当第一终端设备接收到多种侧行信道之后，可以根据多种侧行信道的传输资源以及协议预配置信息或网络配置信息，确定侧行参考信号的传输资源。例如，当第一终端设备既接收到PSCCH，又接收到PSSCH，第一终端设备在时隙P接收到PSCCH，根据预配置信息确定侧行CSI-RS的时隙为时隙P+1，根据预配置信息确定侧行CSI-RS在一个 时隙的最后一个符号；根据PSSCH的频域起始位置确定侧行CSI-RS的频域起始位置，根据预配置信息确定侧行CSI-RS的频域资源长度为16个RB。
下面结合图4描述一下本申请实施例的侧行通信的流程。
首先，第一终端设备和第二终端设备进行侧行通信，第二终端设备向第一终端设备发送侧行数据，包括侧行控制信息SCI和侧行数据，其中SCI用于携带解调该数据所需的控制信息，如数据的传输资源、调制与编码策略(Modulation and Coding Scheme，MCS)等信息。SCI承载在PSCCH信道中，数据承载在PSSCH中。第二终端设备传输SCI或者数据的传输资源可以是如上所说根据网络分配的，或者是终端自主选取的。第一终端设备向第二终端设备发送侧行CSI-RS。这里假设侧行CSI-RS在时域上占据一个时域符号。
图4是本申请实施例提供的侧行通信的方法的示意性时序图。具体如下：
步骤1：第二终端设备在时隙0向第一终端设备发送侧行数据，包括PSCCH和PSSCH。
步骤2：第一终端设备在时隙1向第二终端设备发送侧行CSI-RS。
步骤3：第二终端设备接收第一终端设备发送的侧行CSI-RS，并且根据该侧行CSI-RS进行信道测量等处理；
步骤4：第二终端设备在时隙3发送侧行数据，根据侧行CSI-RS进行测量的结果选取相应的传输参数，例如，MCS等级、PMI、发送功率等。
可选地，在本申请实施例中，还可以根据承载于PSCCH中的SCI来确定侧行参考信号的传输资源。也就是说，第二终端设备可以通过SCI向第一终端设备指示侧行参考信号的传输资源。
其中，该SCI可以是用来承载其调度的PSSCH的控制信息，如时频资源指示信息，优先级信息、MCS等级等。同时，SCI可以携带侧行参考信号的资源指示信息，用于第一终端设备根据该SCI的指示确定发送侧行参考信号的时频资源。具体地，该SCI可以指示侧行参考信号的时域资源和/或频域资源。
可选地，侧行CSI-RS的资源指示信息可以包括侧行CSI-RS的时域资源指示信息，具体可以包括所述侧行CSI-RS的时隙指示信息和/或所述侧行CSI-RS的时域符号指示信息。
例如，该侧行CSI-RS的资源指示信息可以只包括时域符号指示信息，那么当第一终端设备根据SCI，获取到该侧行CSI-RS的时域符号指示信息后，可以确定该侧行CSI-RS在一个时隙中所占据的时域符号。例如，该时域符号指示信息指示侧行CSI-RS占据一个时隙中最后一个符号。具体地，该时域符号指示信息可以包括4个比特(可以用于指示16个时域符号)，用于指示在一个时隙中所占据的时域符号。或者，协议可以预定义侧行CSI-RS只能在一个时隙中的最后一个时域符号或倒数第二个时域符号发送，则该时域符号指示信息可以包括1个比特，也就是通过1比特的值来指示具体是在倒数第一个时域符号还是倒是第二个时域符号。此时，侧行CSI-RS所在的时隙可以由协议预配置信息、网络设备的配置信息、终端设备的配置信息或侧行信道的传输资源确定，例如，网络设备可以配置侧行CSI-RS所在的时隙可以是由承载SCI的PSCCH所在的时隙确定。具体地，侧行CSI-RS所在的时隙可以是承载SCI的PSCCH所在时隙的下一个时隙，或者也可以是与承载SCI的PSCCH在同一个时隙，或者也可以是与该SCI调度的PSSCH在同 一时隙。
再例如，该侧行CSI-RS的资源指示信息可以只包括时隙指示信息，那么当第一终端设备从SCI中获取到该侧行CSI-RS的时隙指示信息之后，可以确定该侧行CSI-RS所在的时隙。此时，侧行CSI-RS在一个时隙中所占据的时域符号可以由协议预配置信息、网络设备的配置信息、终端设备的配置信息或侧行信道的传输资源确定。例如，网络设备可以配置侧行CSI-RS在一个时隙中的最后一个或者倒数第二个符号。时隙指示信息可以通过时隙索引表示，该时隙索引可以用于确定一个时隙；或者也可以通过一个时隙偏移指示信息表示，该时隙偏移指示信息可以用于指示侧行CSI-RS所在的时隙相对于一个时域位置(如承载所述SCI的PSCCH所在的时隙，或者一个无线帧中时隙0的位置)的时隙偏移量。例如，该时隙偏移指示信息指示的相对于承载SCI的PSCCH所在时隙的偏移量为2，那么第一终端设备在时隙N接收到该SCI之后，可以在时隙(N+2)中发送侧行CSI-RS。
再例如，该侧行CSI-RS的资源指示信息可以既包括时隙指示信息，又包括时域符号指示信息，第一终端设备既可以根据时隙指示信息确定侧行CSI-RS所在的时隙，又可以根据时域符号指示信息确定侧行CSI-RS在时隙指示信息所指示的时隙中所占据的符号，进而可以确定侧行CSI-RS的时域资源。
可选地，侧行CSI-RS的资源指示信息可以包括侧行CSI-RS的频域资源指示信息，具体可以包括以下信息中的至少一种：所述侧行CSI-RS的频域起始位置指示信息、所述侧行CSI-RS的频域结束位置指示信息和所述侧行CSI-RS的频域长度信息。
例如，该侧行CSI-RS的资源指示信息可以只包括频域起始位置指示信息和/或频域结束位置指示信息。此时，该侧行CSI-RS的频域资源长度可以通过协议预配置信息、网络设备的配置信息、终端设备的配置信息或侧行信道的传输资源确定。例如，网络设备可以配置该侧行CSI-RS在频域上占据两个PRB。第一终端设备可以根据频域起始位置指示信息或频域结束位置指示信息指示的频域起始位置或频域结束位置以及网络设备配置的侧行CSI-RS所占据的频域资源长度，确定所述侧行CSI-RS的频域资源。又例如，第一终端设备可以根据频域起始位置指示信息或频域结束位置指示信息确定侧行CSI-RS的频域起始位置或频域结束位置，根据该SCI调度的PSSCH的频域资源长度确定侧行CSI-RS的频域资源长度。
具体地，该频域起始位置指示信息或频域结束位置指示信息可以是直接指示的一个频域位置的RB或者是一个子带的索引值等。或者也可以是相对于一个频域位置的偏移量，该一个频域位置可以是承载所述SCI的PSCCH的最低资源块/最高资源块或子带对应的频域位置，或者是载波的带宽起始/结束位置，或者是带宽部分的起始/结束位置，或者是同步信号的最低资源块/最高资源块或子带的索引对应的频域位置。例如，该频域起始位置指示信息指示侧行CSI-RS的频域起始位置相对于承载SCI的PSCCH的频域起始位置的偏移量，或者该频域起始位置指示信息指示侧行CSI-RS的频域起始位置相对于该SCI所调度的PSSCH的频域资源起始位置的偏移量。
再例如，该侧行CSI-RS的资源指示信息可以只包括频域长度信息，该频域长度信息可以包括侧行CSI-RS占用的RB或者子带的个数信息。此时，该侧行CSI-RS的频域起始位置或频域结束位置可以通过协议预配置信息、网络设备的配置信息、终端设备的配置信息或侧行信道的传输资源确定的。例如，该侧行CSI-RS的频域起始位置可以配置为 是一个频域位置的偏移，该一个频域位置可以是约定的资源。或者该侧行CSI-RS的频域起始位置也可以是与承载SCI的PSCCH的频域起始位置相同。
再例如，该侧行CSI-RS的资源指示信息可以包括频域起始位置指示信息和频域结束位置指示信息，或者该侧行CSI-RS的资源指示信息可以包括频域起始位置指示信息和频域结束位置指示信息中的任一种以及频域长度信息。
需要说明的，在本申请实施例中，时隙可以替换为子帧，也就是说，时隙指示信息可以替换为子帧指示信息。或者第一终端设备根据侧行信道所在的时隙，确定侧行参考信号所在的时隙可以替换为第一终端设备根据侧行信道所在子帧，确定侧行参考信号所在子帧。
可选地，第二终端设备也可以通过SCI以及侧行信道的传输资源联合向第一终端设备指示侧行参考信号的传输资源。例如，第二终端设备可以通过SCI向第一终端设备指示侧行参考信号的时域资源，通过侧行信道的传输资源向第一终端设备指示侧行参考信号的频域资源。或者第二终端设备可以通过SCI向第一终端设备指示侧行参考信号所在的时隙，通过侧行信道的传输资源向第一终端设备指示侧行参考信号在一个时隙中所占据的时域符号等。应理解，各种可能的联合指示方式都在本申请实施例的保护范围之内。
可选地，第一终端设备在获取到侧行参考信号的传输资源之后，还可以获取该侧行参考信号的传输周期，该传输周期可以通过协议预定义、网络设备配置、终端设备配置或通过SCI指示。当第一终端设备获取到侧行参考信号的传输资源以及传输周期之后，第一终端设备即可周期性地在确定的固定资源上发送侧行参考信号。例如，侧行CSI-RS的传输周期为2ms，若第一终端设备在接收到PSCCH所在时隙N的下一个时隙(N+1)第一次传输该侧行CSI-RS，那么第一终端设备将在时隙(N+1)之后2ms的时隙上第二次传输该侧行CSI-RS，依次等等。
可选地，第二终端设备还可以在SCI中携带指示信息，指示第一终端设备是否发送侧行参考信号。
侧行参考信号并不是时刻都需要发送的，第一终端设备可以根据第二终端设备的指示信息发送侧行参考信号。具体的，第二终端设备可以在SCI中携带指示信息，指示第一终端设备发送侧行参考信号。再结合以上确定侧行参考信号的传输资源的方法，第一终端设备可以在确定的时频资源上发送侧行参考信号，同样，第二终端设备可以在该时频资源上接收该侧行参考信号，从而进行信道测量。
可选地，第二终端设备可以在SCI中包括指示域，显式指示第一终端设备是否发送侧行参考信号。例如，该指示域为1比特，1表示发送，0表示不发送。
可选地，第二终端设备也可以通过SCI隐式指示第一终端设备是否发送侧行参考信号。例如，可以通过SCI的扰码序列或者SCI的格式隐式指示是否发送侧行参考信号。例如，当采用第一扰码序列对SCI加扰时，SCI指示发送，当采用第二扰码序列对SCI加扰时，SCI指示不发送。再例如，当采用第一种SCI格式时，SCI指示发送，当采用第二种SCI格式时，SCI指示不发送。
例如，通过对编码后的SCI的比特序列进行加扰处理来隐式携带该指示信息。例如，编码后的SCI的比特序列为：b(0),……b(M bit-1)，其中M bit表示编码后的比特长度。对该序列进行如下加扰操作：
Figure PCTCN2019071486-appb-000001
其中c(i)表示加扰序列。使用不同的 扰码序列表示不同的指示信息。第一终端设备使用不同的扰码序列进行解扰，即可确定该指示信息。
又例如，SCI的信息比特用于计算循环冗余校验(Cyclic Redundancy Check，CRC)序列，并且该CRC序列附加到SCI信息比特后面，对该CRC序列的部分比特进行加扰处理，通过使用不同的加扰序列承载不同的指示信息。例如，SCI的信息比特序列为a 0,a 1,......,a A-1，根据该信息比特序列生成的CRC序列为p 0,p 1,......,p L-1，将CRC序列附加到该信息比特序列后面生成新的序列为：b 0,b 1,......,b k-1，具体操作为：
b k＝a k,k＝0,1,......,A-1
b k＝p k-A,k＝A,A+1,......,A+L-1
其中，K＝A+L.A表示SCI信息比特长度，L表示CRC校验比特长度。
使用16比特的RNTI值对CRC部分进行加扰处理生成序列c 0,c 1,......,c k-1：
c k＝b k,k＝0,1,......,A+7
c k＝(b k+x rnti,k-A-8)mod 2,k＝A+8,A+9,A+10,.......,A+23
在此过程中，可以使用不同的加扰序列(即不同的RNTI)对序列进行加扰处理，不同的加扰序列对应不同的指示信息。
可选地，当采用SCI的扰码序列或者SCI的格式隐式指示是否发送侧行参考信号时，协议可以预定义或者网络设备预配置SCI的扰码序列与指示信息或者SCI的格式与指示信息之间的映射关系。
图5为本申请实施例提供的一种侧行通信的方法200的示意性框图。该方法可以由图1或图2中作为发送端的某个终端设备执行，如图5所示，该方法200包括以下部分或全部内容：
S210，第二终端设备根据侧行信道的传输资源，确定侧行参考信号的传输资源。
S220，所述第二终端设备在所述侧行参考信号的传输资源上接收所述侧行参考信号。
可选地，在本申请实施例中，所述第二终端设备根据所述侧行信道的传输资源，确定所述侧行参考信号的传输资源，包括：所述第二终端设备根据所述侧行信道的时域资源，确定所述侧行参考信号的时域资源；和/或所述第二终端设备根据所述侧行信道的频域资源，确定所述侧行参考信号的频域资源。
可选地，在本申请实施例中，所述第二终端设备根据所述侧行信道的时域资源，确定所述侧行参考信号的时域资源，包括：所述第二终端设备根据所述侧行信道所在的时隙，确定所述侧行参考信号所在的时隙。
可选地，在本申请实施例中，所述第二终端设备根据所述侧行信道的频域资源，确定所述侧行参考信号的频域资源，包括：所述第二终端设备根据所述侧行信道的频域起始位置，确定所述侧行参考信号的频域起始位置；和/或所述第二终端设备根据所述侧行信道的频域资源长度，确定所述侧行参考信号的频域资源长度。
可选地，在本申请实施例中，所述方法还包括：所述第二终端设备根据协议预配置信息、网络设备的配置信息或除所述第一终端设备之外的终端设备的配置信息，确定以 下信息中的至少一种信息：所述侧行参考信号在时隙中占据的时域符号、所述侧行参考信号的频域起始位置和所述侧行参考信号的频域资源长度。
可选地，在本申请实施例中，所述方法还包括：所述第二终端设备向所述第一终端设备发送侧行控制信息SCI，所述SCI用于指示所述第一终端设备发送所述侧行参考信号。
可选地，在本申请实施例中，所述SCI包括指示域，所述指示域用于指示所述第一终端设备发送所述侧行参考信号。
可选地，在本申请实施例中，所述SCI所使用的扰码序列用于指示所述第一终端设备发送所述侧行参考信号。
可选地，在本申请实施例中，所述侧行信道包括以下信道中的至少一种信道：物理侧行控制信道PSCCH、物理侧行共享信道PSSCH和物理侧行反馈信道PSFCH。
可选地，在本申请实施例中，所述侧行参考信号包括侧行CSI-RS，侧行SRS，侧行PT-RS或侧行DMRS。
应理解，第二终端设备描述的第二终端设备与第一终端设备之间的交互及相关特性、功能等与第一终端设备的相关特性、功能相应。也就是说，第一终端设备向第二终端设备发送什么消息，第二终端设备从第一终端设备接收相应的消息。
还应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
上文中详细描述了根据本申请实施例的侧行通信的方法，下面将结合图6至图8，描述根据本申请实施例的侧行通信的装置，方法实施例所描述的技术特征适用于以下装置实施例。
图6示出了本申请实施例的终端设备300的示意性框图。该终端设备300为第一终端设备，如图6所示，该终端设备300包括：
收发单元310，用于接收第二终端设备发送的侧行信道；
处理单元320，用于根据所述侧行信道的传输资源，确定侧行参考信号的传输资源。
可选地，在本申请实施例中，所述处理单元320具体用于：根据所述侧行信道的时域资源，确定所述侧行参考信号的时域资源；和/或根据所述侧行信道的频域资源，确定所述侧行参考信号的频域资源。
可选地，在本申请实施例中，所述处理单元320具体用于：根据所述侧行信道所在的时隙，确定所述侧行参考信号所在的时隙。
可选地，在本申请实施例中，所述处理单元320具体用于：根据所述侧行信道的频域起始位置，确定所述侧行参考信号的频域起始位置；和/或，根据所述侧行信道的频域资源长度，确定所述侧行参考信号的频域资源长度。
可选地，在本申请实施例中，所述处理单元320还用于：根据协议预配置信息、网络设备的配置信息或除所述第一终端设备之外的终端设备的配置信息，确定以下信息中的至少一种信息：所述侧行参考信号在时隙中占据的时域符号、所述侧行参考信号的频域起始位置和所述侧行参考信号的频域资源长度。
可选地，在本申请实施例中，所述处理单元320还用于：获取所述第二终端设备发送的侧行控制信息SCI；所述处理单元320具体用于：根据所述SCI和所述侧行信道的 传输资源，确定所述侧行参考信号的传输资源。
可选地，在本申请实施例中，所述SCI用于指示所述侧行参考信号的时域资源和/或所述侧行参考信号的频域资源。
可选地，在本申请实施例中，所述处理单元320具体用于：在所述SCI指示发送所述侧行参考信号的情况下，根据所述侧行信道的传输资源，确定所述侧行参考信号的传输资源。
可选地，在本申请实施例中，所述SCI包括指示域，所述处理单元320具体用于：根据所述指示域，确定发送所述侧行参考信号。
可选地，在本申请实施例中，所述处理单元320具体用于：根据所述SCI所使用的扰码序列，确定发送所述侧行参考信号。
可选地，在本申请实施例中，所述处理单元320还用于：从以下信息中的至少一种信息中，获取所述侧行参考信号的传输周期：协议预配置信息、网络设备的配置信息和侧行控制信息SCI。
可选地，在本申请实施例中，所述侧行信道包括以下信道中的至少一种信道：物理侧行控制信道PSCCH、物理侧行共享信道PSSCH和物理侧行反馈信道PSFCH。
可选地，在本申请实施例中，所述侧行参考信号包括侧行CSI-RS，侧行SRS，侧行PT-RS或侧行DMRS。
应理解，根据本申请实施例的终端设备300可对应于本申请方法实施例中的第一终端设备，并且终端设备300中的各个单元的上述和其它操作和/或功能分别为了实现图3方法中第一终端设备的相应流程，为了简洁，在此不再赘述。
图7示出了本申请实施例的终端设备400的示意性框图。该终端设备400为第二终端设备，如图7所示，该终端设备400包括：
处理单元410，用于根据侧行信道的传输资源，确定侧行参考信号的传输资源；
收发单元420，用于在所述侧行参考信号的传输资源上接收所述侧行参考信号。
可选地，在本申请实施例中，所述处理单元410具体用于：根据所述侧行信道的时域资源，确定所述侧行参考信号的时域资源；和/或根据所述侧行信道的频域资源，确定所述侧行参考信号的频域资源。
可选地，在本申请实施例中，所述处理单元410具体用于：根据所述侧行信道所在的时隙，确定所述侧行参考信号所在的时隙。
可选地，在本申请实施例中，所述处理单元410具体用于：根据所述侧行信道的频域起始位置，确定所述侧行参考信号的频域起始位置；和/或根据所述侧行信道的频域资源长度，确定所述侧行参考信号的频域资源长度。
可选地，在本申请实施例中，所述处理单元410还用于：根据协议预配置信息、网络设备的配置信息或除所述第一终端设备之外的终端设备的配置信息，确定以下信息中的至少一种信息：所述侧行参考信号在时隙中占据的时域符号、所述侧行参考信号的频域起始位置和所述侧行参考信号的频域资源长度。
可选地，在本申请实施例中，所述收发单元420还用于：向所述第一终端设备发送侧行控制信息SCI，所述SCI用于指示所述第一终端设备发送所述侧行参考信号。
可选地，在本申请实施例中，所述SCI包括指示域，所述指示域用于指示所述第一终端设备发送所述侧行参考信号。
可选地，在本申请实施例中，所述SCI所使用的扰码序列用于指示所述第一终端设备发送所述侧行参考信号。
可选地，在本申请实施例中，所述侧行信道包括以下信道中的至少一种信道：物理侧行控制信道PSCCH、物理侧行共享信道PSSCH和物理侧行反馈信道PSFCH。
可选地，在本申请实施例中，所述侧行参考信号包括侧行CSI-RS，侧行SRS，侧行PT-RS或侧行DMRS。
应理解，根据本申请实施例的终端设备400可对应于本申请方法实施例中的第二终端设备，并且终端设备400中的各个单元的上述和其它操作和/或功能分别为了实现图5方法中第二终端设备的相应流程，为了简洁，在此不再赘述。
如图8所示，本申请实施例还提供了一种终端设备500，该终端设备500可以是图6中的终端设备300，其能够用于执行与图3中方法100对应的第一终端设备的内容。该终端设备500也可以是图7中的终端设备400，其能够用于执行与图5中方法200对应的第二终端设备的内容。图8所示的终端设备500包括处理器510，处理器510可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图8所示，终端设备500还可以包括存储器520。其中，处理器510可以从存储器520中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器520可以是独立于处理器510的一个单独的器件，也可以集成在处理器510中。
可选地，如图8所示，终端设备500还可以包括收发器530，处理器510可以控制该收发器530与其他设备进行通信，具体地，可以向其他设备发送信息或数据，或接收其他设备发送的信息或数据。
其中，收发器530可以包括发射机和接收机。收发器530还可以进一步包括天线，天线的数量可以为一个或多个。
可选地，该终端设备500可为本申请实施例的终端设备，并且该终端设备500可以实现本申请实施例的各个方法中由第一终端设备实现的相应流程，为了简洁，在此不再赘述。
一个具体的实施方式中，终端设备300/终端设备400中的处理单元可以由图8中的处理器510实现。终端设备300/终端设备400中的收发单元可以由图8中的收发器530实现。
图9是本申请实施例的芯片的示意性结构图。图9所示的芯片600包括处理器610，处理器610可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图9所示，芯片600还可以包括存储器620。其中，处理器610可以从存储器620中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器620可以是独立于处理器610的一个单独的器件，也可以集成在处理器610中。
可选地，该芯片600还可以包括输入接口630。其中，处理器610可以控制该输入接口630与其他设备或芯片进行通信，具体地，可以获取其他设备或芯片发送的信息或数据。
可选地，该芯片600还可以包括输出接口640。其中，处理器610可以控制该输出接口640与其他设备或芯片进行通信，具体地，可以向其他设备或芯片输出信息或数据。
可选地，该芯片可应用于本申请实施例中的终端设备，并且该芯片可以实现本申请实施例的各个方法中由终端设备实现的相应流程，为了简洁，在此不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
图10是本申请实施例提供的一种通信系统700的示意性框图。如图10所示，该通信系统700包括第一终端设备710和第二终端设备720。
其中，该第一终端设备710可以用于实现上述方法中由第一终端设备实现的相应的功能，以及该第二终端设备720可以用于实现上述方法中由第二终端设备实现的相应的功能为了简洁，在此不再赘述。
应理解，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
应理解，本申请实施例的处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
可以理解，本申请实施例中的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)。应注意，本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解，上述存储器为示例性但不是限制性说明，例如，本申请实施例中的存储器还可以是静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic  RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synch link DRAM，SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)等等。也就是说，本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
本申请实施例还提供了一种计算机可读存储介质，用于存储计算机程序。
可选的，该计算机可读存储介质可应用于本申请实施例中的网络设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机可读存储介质可应用于本申请实施例中的终端设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序产品，包括计算机程序指令。
可选的，该计算机程序产品可应用于本申请实施例中的网络设备，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序产品可应用于本申请实施例中的终端设备，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序。
可选的，该计算机程序可应用于本申请实施例中的网络设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序可应用于本申请实施例中的终端设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由终端设备实现的相应流程，为了简洁，在此不再赘述。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，)ROM、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应所述以权利要求的保护范围为准。

Claims (56)

  1. 一种侧行通信的方法，其特征在于，包括：
    第一终端设备接收第二终端设备发送的侧行信道；
    所述第一终端设备根据所述侧行信道的传输资源，确定侧行参考信号的传输资源。
  2. 根据权利要求1所述的方法，其特征在于，所述第一终端设备根据所述侧行信道的传输资源，确定所述侧行参考信号的传输资源，包括：
    所述第一终端设备根据所述侧行信道的时域资源，确定所述侧行参考信号的时域资源；和/或
    所述第一终端设备根据所述侧行信道的频域资源，确定所述侧行参考信号的频域资源。
  3. 根据权利要求2所述的方法，其特征在于，所述第一终端设备根据所述侧行信道的时域资源，确定所述侧行参考信号的时域资源，包括：
    所述第一终端设备根据所述侧行信道所在的时隙，确定所述侧行参考信号所在的时隙。
  4. 根据权利要求2或3所述的方法，其特征在于，所述第一终端设备根据所述侧行信道的频域资源，确定所述侧行参考信号的频域资源，包括：
    所述第一终端设备根据所述侧行信道的频域起始位置，确定所述侧行参考信号的频域起始位置；和/或
    所述第一终端设备根据所述侧行信道的频域资源长度，确定所述侧行参考信号的频域资源长度。
  5. 根据权利要求2至4中任一项所述的方法，其特征在于，所述方法还包括：
    所述第一终端设备根据协议预配置信息、网络设备的配置信息或除所述第一终端设备之外的终端设备的配置信息，确定以下信息中的至少一种信息：所述侧行参考信号在时隙中占据的时域符号、所述侧行参考信号的频域起始位置和所述侧行参考信号的频域资源长度。
  6. 根据权利要求1至5中任一项所述的方法，其特征在于，所述方法还包括：
    所述第一终端设备获取所述第二终端设备发送的侧行控制信息SCI；
    所述第一终端设备根据所述侧行信道的传输资源，确定所述侧行参考信号的传输资源，包括：
    所述第一终端设备根据所述SCI和所述侧行信道的传输资源，确定所述侧行参考信号的传输资源。
  7. 根据权利要求6所述的方法，其特征在于，所述SCI用于指示所述侧行参考信号的时域资源和/或所述侧行参考信号的频域资源。
  8. 根据权利要求6所述的方法，其特征在于，所述第一终端设备根据所述SCI和所述侧行信道的传输资源，确定所述侧行参考信号的传输资源，包括：
    在所述SCI指示发送所述侧行参考信号的情况下，所述第一终端设备根据所述侧行信道的传输资源，确定所述侧行参考信号的传输资源。
  9. 根据权利要求8所述的方法，其特征在于，所述SCI包括指示域，所述方法还包括：
    所述第一终端设备根据所述指示域，确定发送所述侧行参考信号。
  10. 根据权利要求8所述的方法，其特征在于，所述方法还包括：
    所述第一终端设备根据所述SCI所使用的扰码序列，确定发送所述侧行参考信号。
  11. 根据权利要求1至10中任一项所述的方法，其特征在于，所述方法还包括：
    所述第一终端设备从以下信息中的至少一种信息中，获取所述侧行参考信号的传输周期：协议预配置信息、网络设备的配置信息和侧行控制信息SCI。
  12. 根据权利要求1至11中任一项所述的方法，其特征在于，所述侧行信道包括以下信道中的至少一种信道：物理侧行控制信道PSCCH、物理侧行共享信道PSSCH和物理侧行反馈信道PSFCH。
  13. 根据权利要求1至12中任一项所述的方法，其特征在于，所述侧行参考信号包括侧行信道状态信息参考信号CSI-RS或者侧行相位跟踪参考信号PT-RS。
  14. 一种侧行通信的方法，其特征在于，包括：
    第二终端设备根据侧行信道的传输资源，确定侧行参考信号的传输资源；
    所述第二终端设备在所述侧行参考信号的传输资源上接收所述侧行参考信号。
  15. 根据权利要求14所述的方法，其特征在于，所述第二终端设备根据所述侧行信道的传输资源，确定所述侧行参考信号的传输资源，包括：
    所述第二终端设备根据所述侧行信道的时域资源，确定所述侧行参考信号的时域资源；和/或
    所述第二终端设备根据所述侧行信道的频域资源，确定所述侧行参考信号的频域资源。
  16. 根据权利要求15所述的方法，其特征在于，所述第二终端设备根据所述侧行信道的时域资源，确定所述侧行参考信号的时域资源，包括：
    所述第二终端设备根据所述侧行信道所在的时隙，确定所述侧行参考信号所在的时隙。
  17. 根据权利要求15或16所述的方法，其特征在于，所述第二终端设备根据所述侧行信道的频域资源，确定所述侧行参考信号的频域资源，包括：
    所述第二终端设备根据所述侧行信道的频域起始位置，确定所述侧行参考信号的频域起始位置；和/或
    所述第二终端设备根据所述侧行信道的频域资源长度，确定所述侧行参考信号的频域资源长度。
  18. 根据权利要求15至17中任一项所述的方法，其特征在于，所述方法还包括：
    所述第二终端设备根据协议预配置信息、网络设备的配置信息或除所述第一终端设备之外的终端设备的配置信息，确定以下信息中的至少一种信息：所述侧行参考信号在时隙中占据的时域符号、所述侧行参考信号的频域起始位置和所述侧行参考信号的频域资源长度。
  19. 根据权利要求14至18中任一项所述的方法，其特征在于，所述方法还包括：
    所述第二终端设备向所述第一终端设备发送侧行控制信息SCI，所述SCI用于指示所述第一终端设备发送所述侧行参考信号。
  20. 根据权利要求19所述的方法，其特征在于，所述SCI包括指示域，所述指示域用于指示所述第一终端设备发送所述侧行参考信号。
  21. 根据权利要求19所述的方法，其特征在于，所述SCI所使用的扰码序列用于指示所述第一终端设备发送所述侧行参考信号。
  22. 根据权利要求14至21中任一项所述的方法，其特征在于，所述侧行信道包括以下信道中的至少一种信道：物理侧行控制信道PSCCH、物理侧行共享信道PSSCH和物理侧行反馈信道PSFCH。
  23. 根据权利要求14至22中任一项所述的方法，其特征在于，所述侧行参考信号包括侧行信道状态信息参考信号CSI-RS或者侧行相位跟踪参考信号PT-RS。
  24. 一种终端设备，其特征在于，所述终端设备为第一终端设备，所述终端设备包括：
    收发单元，用于接收第二终端设备发送的侧行信道；
    处理单元，用于根据所述侧行信道的传输资源，确定侧行参考信号的传输资源。
  25. 根据权利要求24所述的终端设备，其特征在于，所述处理单元具体用于：
    根据所述侧行信道的时域资源，确定所述侧行参考信号的时域资源；和/或
    根据所述侧行信道的频域资源，确定所述侧行参考信号的频域资源。
  26. 根据权利要求25所述的终端设备，其特征在于，所述处理单元具体用于：
    根据所述侧行信道所在的时隙，确定所述侧行参考信号所在的时隙。
  27. 根据权利要求25或26所述的终端设备，其特征在于，所述处理单元具体用于：
    根据所述侧行信道的频域起始位置，确定所述侧行参考信号的频域起始位置；和/或
    根据所述侧行信道的频域资源长度，确定所述侧行参考信号的频域资源长度。
  28. 根据权利要求25至27中任一项所述的终端设备，其特征在于，所述处理单元还用于：
    根据协议预配置信息、网络设备的配置信息或除所述第一终端设备之外的终端设备的配置信息，确定以下信息中的至少一种信息：所述侧行参考信号在时隙中占据的时域符号、所述侧行参考信号的频域起始位置和所述侧行参考信号的频域资源长度。
  29. 根据权利要求24至28中任一项所述的终端设备，其特征在于，所述处理单元还用于：
    获取所述第二终端设备发送的侧行控制信息SCI；
    所述处理单元具体用于：
    根据所述SCI和所述侧行信道的传输资源，确定所述侧行参考信号的传输资源。
  30. 根据权利要求29所述的终端设备，其特征在于，所述SCI用于指示所述侧行参考信号的时域资源和/或所述侧行参考信号的频域资源。
  31. 根据权利要求29所述的终端设备，其特征在于，所述处理单元具体用于：
    在所述SCI指示发送所述侧行参考信号的情况下，根据所述侧行信道的传输资源，确定所述侧行参考信号的传输资源。
  32. 根据权利要求31所述的终端设备，其特征在于，所述SCI包括指示域，所述处理单元具体用于：
    根据所述指示域，确定发送所述侧行参考信号。
  33. 根据权利要求31所述的终端设备，其特征在于，所述处理单元还用于：
    根据所述SCI所使用的扰码序列，确定发送所述侧行参考信号。
  34. 根据权利要求24至33中任一项所述的终端设备，其特征在于，所述处理单元 还用于：
    从以下信息中的至少一种信息中，获取所述侧行参考信号的传输周期：协议预配置信息、网络设备的配置信息和侧行控制信息SCI。
  35. 根据权利要求24至34中任一项所述的终端设备，其特征在于，所述侧行信道包括以下信道中的至少一种信道：物理侧行控制信道PSCCH、物理侧行共享信道PSSCH和物理侧行反馈信道PSFCH。
  36. 根据权利要求24至35中任一项所述的终端设备，其特征在于，所述侧行参考信号包括侧行信道状态信息参考信号CSI-RS或者侧行相位跟踪参考信号PT-RS。
  37. 一种终端设备，其特征在于，所述终端设备为第二终端设备，所述终端设备包括：
    处理单元，用于根据侧行信道的传输资源，确定侧行参考信号的传输资源；
    收发单元，用于在所述侧行参考信号的传输资源上接收所述侧行参考信号。
  38. 根据权利要求37所述的终端设备，其特征在于，所述处理单元具体用于：
    根据所述侧行信道的时域资源，确定所述侧行参考信号的时域资源；和/或
    根据所述侧行信道的频域资源，确定所述侧行参考信号的频域资源。
  39. 根据权利要求38所述的终端设备，其特征在于，所述处理单元具体用于：
    根据所述侧行信道所在的时隙，确定所述侧行参考信号所在的时隙。
  40. 根据权利要求38或39所述的终端设备，其特征在于，所述处理单元具体用于：
    根据所述侧行信道的频域起始位置，确定所述侧行参考信号的频域起始位置；和/或
    根据所述侧行信道的频域资源长度，确定所述侧行参考信号的频域资源长度。
  41. 根据权利要求38至40中任一项所述的终端设备，其特征在于，所述处理单元还用于：
    根据协议预配置信息、网络设备的配置信息或除所述第一终端设备之外的终端设备的配置信息，确定以下信息中的至少一种信息：所述侧行参考信号在时隙中占据的时域符号、所述侧行参考信号的频域起始位置和所述侧行参考信号的频域资源长度。
  42. 根据权利要求37至41中任一项所述的终端设备，其特征在于，所述收发单元还用于：
    向所述第一终端设备发送侧行控制信息SCI，所述SCI用于指示所述第一终端设备发送所述侧行参考信号。
  43. 根据权利要求42所述的终端设备，其特征在于，所述SCI包括指示域，所述指示域用于指示所述第一终端设备发送所述侧行参考信号。
  44. 根据权利要求42所述的终端设备，其特征在于，所述SCI所使用的扰码序列用于指示所述第一终端设备发送所述侧行参考信号。
  45. 根据权利要求37至44中任一项所述的终端设备，其特征在于，所述侧行信道包括以下信道中的至少一种信道：物理侧行控制信道PSCCH、物理侧行共享信道PSSCH和物理侧行反馈信道PSFCH。
  46. 根据权利要求37至45中任一项所述的终端设备，其特征在于，所述侧行参考信号包括侧行信道状态信息参考信号CSI-RS或者侧行相位跟踪参考信号PT-RS。
  47. 一种终端设备，其特征在于，包括：处理器和存储器，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如权利要求1 至13中任一项所述的方法。
  48. 一种终端设备，其特征在于，包括：处理器和存储器，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如权利要求14至23中任一项所述的方法。
  49. 一种芯片，其特征在于，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求1至13中任一项所述的方法。
  50. 一种芯片，其特征在于，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求14至23中任一项所述的方法。
  51. 一种计算机可读存储介质，其特征在于，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求1至13中任一项所述的方法。
  52. 一种计算机可读存储介质，其特征在于，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求14至23中任一项所述的方法。
  53. 一种计算机程序产品，其特征在于，包括计算机程序指令，该计算机程序指令使得计算机执行如权利要求1至13中任一项所述的方法。
  54. 一种计算机程序产品，其特征在于，包括计算机程序指令，该计算机程序指令使得计算机执行如权利要求14至23中任一项所述的方法。
  55. 一种计算机程序，其特征在于，所述计算机程序使得计算机执行如权利要求1至13中任一项所述的方法。
  56. 一种计算机程序，其特征在于，所述计算机程序使得计算机执行如权利要求14至23中任一项所述的方法。
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