WO2019120041A1 - 一种数据的传输方法、通信设备和网络设备 - Google Patents

一种数据的传输方法、通信设备和网络设备 Download PDF

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Publication number
WO2019120041A1
WO2019120041A1 PCT/CN2018/117332 CN2018117332W WO2019120041A1 WO 2019120041 A1 WO2019120041 A1 WO 2019120041A1 CN 2018117332 W CN2018117332 W CN 2018117332W WO 2019120041 A1 WO2019120041 A1 WO 2019120041A1
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Prior art keywords
resource
sub
control information
data
communication device
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PCT/CN2018/117332
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English (en)
French (fr)
Inventor
郭文婷
向铮铮
卢磊
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华为技术有限公司
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Publication of WO2019120041A1 publication Critical patent/WO2019120041A1/zh

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • Embodiments of the present application relate to a communication system, and in particular, to a data transmission method, a communication device, and a network device.
  • V2D Device to Device
  • V2V Vehicle to Vehicle
  • V2P Vehicle to Pedestrian
  • V2I/N Vehicle/Infrastructure/Network
  • V2X Vehicle to Infrastructure/ Network
  • the transmitting device periodically transmits some information of itself, such as location, speed, and intention information (for example, turning, parallel, reverse, etc.) to devices around the transmitting device to improve the vehicle. Driving safety.
  • the transmitting device sends control information to the receiving device on the first resource, and the sending device sends data to the receiving device on the second resource according to the control information, where the first resource and the second resource are frequency division multiplexed.
  • the receiving device first receives and buffers the control information and data, and then the receiving device decodes the control information and decodes the buffered data according to the correctly decoded control information.
  • data of different terminal devices are orthogonally transmitted, and the second resource can only be used for transmitting data of the transmitting device, but cannot transmit data of other devices, resulting in inefficient use of resources. .
  • the embodiment of the present application provides a data transmission method, a first communication device, a second communication device, and a network device, which can improve resource usage efficiency.
  • the first aspect provides a method for transmitting data, including: the first communications device sends first control information to the second communications device on the first sub-resource of the first resource, where the first resource includes n sub-resources, where n is a positive integer greater than or equal to 2, the first sub-resource is one of the n sub-resources, the first control information includes a first codebook set, and the first codebook set includes at least one codebook
  • the first communication device transmits the first data to the second communication device on the second resource according to the first codebook set.
  • the first communications device sends the first control information to the second communications device on the first sub-resource of the first resource, where the first control information includes a first codebook set, and the first codebook The set includes at least one codebook, and the first communications device sends the first data to the second communications device according to the first codebook set on the second resource, where the first communications device uses the first codebook set to
  • the method of orthogonal access sends the first data on the second data, and the second resource can also be used for sending data by other communication devices, thereby improving resource utilization efficiency.
  • the first communications device receives first scheduling information from the network device, where the first scheduling information is used to indicate that the first communications device sends the resource of the first control information and the And transmitting, by the first communications device, the first set of codebooks used by the first data.
  • the first communication device selects the first sub-resource in the first resource, and the first sub-resource has a preset correspondence with the first codebook set, The first communication device obtains the first codebook set according to the first sub-resource and the preset correspondence.
  • the second sub-resource of the first resource is used by the third communications device to send second control information to the fourth communications device, where the second sub-resource is the n included in the first resource.
  • the second control information includes a second codebook set, and the second codebook set includes at least one codebook; the second resource is further used for The third communication device sends the second data to the fourth communication device on the second resource according to the second codebook set.
  • the first control information further includes first indication information, where the first indication information is used to indicate that the first resource and the second resource are in a frequency division multiplexing relationship or are time divisions. a multiplexing relationship; or the second control information further includes second indication information, where the second indication information is used to indicate that the first resource and the second resource are in a frequency division multiplexing relationship or a time division multiplexing relationship .
  • the first control information and the second control information are orthogonally transmitted, and the first data and the second data are non-orthogonal transmissions.
  • a first communications device including: a sending unit, configured to send first control information to a second communications device on a first sub-resource of the first resource, where the first resource includes n sub-resources And n is a positive integer greater than or equal to 2, the first sub-resource is one of the n sub-resources, the first control information includes a first codebook set, and the first codebook set includes at least And a sending unit, configured to send the first data to the second communications device on the second resource according to the first codebook set.
  • the first communications device sends the first control information to the second communications device on the first sub-resource of the first resource, where the first control information includes a first codebook set, and the first codebook The set includes at least one codebook, and the first communications device sends the first data to the second communications device according to the first codebook set on the second resource, where the first communications device uses the first codebook set to
  • the method of orthogonal access sends the first data on the second data, and the second resource can also be used for sending data by other communication devices, thereby improving resource utilization efficiency.
  • the first communications device further includes a receiving unit, where the receiving unit is configured to receive first scheduling information from the network device, where the first scheduling information is used to instruct the sending unit to send the a resource of the first control information and the first codebook set used by the sending unit to send the first data.
  • the first communications device further includes a determining unit, where the determining unit is further configured to select the first sub-resource among the first resources, where the first sub-resource is The first codebook set has a preset correspondence relationship; the determining unit is further configured to obtain the first codebook set according to the first sub-resource and the preset correspondence.
  • the second sub-resource of the first resource is used by the third communications device to send second control information to the fourth communications device, where the second sub-resource is the n included in the first resource.
  • the second control information includes a second codebook set, and the second codebook set includes at least one codebook; the second resource is further used for The third communication device sends the second data to the fourth communication device on the second resource according to the second codebook set.
  • the first control information further includes first indication information, where the first indication information is used to indicate that the first resource and the second resource are in a frequency division multiplexing relationship or are time divisions. a multiplexing relationship; or the second control information further includes second indication information, where the second indication information is used to indicate that the first resource and the second resource are in a frequency division multiplexing relationship or a time division multiplexing relationship .
  • the first control information and the second control information are orthogonally transmitted, and the first data and the second data are non-orthogonal transmissions.
  • a third aspect provides a data receiving method, including: receiving, by a second communications device, first control information from a first communications device on a first sub-resource of the first resource, where the first resource includes n is a sub-resource, n is a positive integer greater than or equal to 2, the first sub-resource is one of the n sub-resources, and the first control information includes a first codebook set, the first codebook The set includes at least one codebook; the second communication device receives the first data from the first communication device on the second resource according to the first codebook set.
  • the first communications device sends the first control information to the second communications device on the first sub-resource of the first resource, where the first control information includes a first codebook set, and the first codebook The set includes at least one codebook, and the first communications device sends the first data to the second communications device according to the first codebook set on the second resource, where the first communications device uses the first codebook set to
  • the method of orthogonal access sends the first data on the second data, and the second resource can also be used for sending data by other communication devices, thereby improving resource utilization efficiency.
  • the second sub-resource of the first resource is used by the third communications device to send second control information to the fourth communications device, where the second sub-resource is the n included in the first resource.
  • the second control information includes a second codebook set, and the second codebook set includes at least one codebook; the second resource is further used for The third communication device sends the second data to the fourth communication device on the second resource according to the second codebook set.
  • the first control information further includes first indication information, where the first indication information is used to indicate that the first resource and the second resource are in a frequency division multiplexing relationship or are time divisions. a multiplexing relationship; or the second control information further includes second indication information, where the second indication information is used to indicate that the first resource and the second resource are in a frequency division multiplexing relationship or a time division multiplexing relationship .
  • the first control information and the second control information are orthogonally transmitted, and the first data and the second data are non-orthogonal transmissions.
  • a second communications device including: a receiving unit, configured to receive first control information from a first communications device on a first sub-resource of a first resource, where the first resource includes n sub-resources And n is a positive integer greater than or equal to 2, the first sub-resource is one of the n sub-resources, the first control information includes a first codebook set, and the first codebook set includes at least a receiving unit, configured to receive the first data from the first communications device on the second resource according to the first codebook set.
  • the first communications device sends the first control information to the second communications device on the first sub-resource of the first resource, where the first control information includes a first codebook set, and the first codebook The set includes at least one codebook, and the first communications device sends the first data to the second communications device according to the first codebook set on the second resource, where the first communications device uses the first codebook set to
  • the method of orthogonal access sends the first data on the second data, and the second resource can also be used for sending data by other communication devices, thereby improving resource utilization efficiency.
  • the second sub-resource of the first resource is used by the third communications device to send second control information to the fourth communications device, where the second sub-resource is the n included in the first resource.
  • the second control information includes a second codebook set, and the second codebook set includes at least one codebook; the second resource is further used for The third communication device sends the second data to the fourth communication device on the second resource according to the second codebook set.
  • the first control information further includes first indication information, where the first indication information is used to indicate that the first resource and the second resource are in a frequency division multiplexing relationship or are time divisions. a multiplexing relationship; or the second control information further includes second indication information, where the second indication information is used to indicate that the first resource and the second resource are in a frequency division multiplexing relationship or a time division multiplexing relationship .
  • the first control information and the second control information are orthogonally transmitted, and the first data and the second data are non-orthogonal transmissions.
  • the fifth aspect provides a network device, including: the network device sends first scheduling information to the first communications device, where the first scheduling information is used to indicate that the first communications device sends the first control information
  • the first codebook set used by the first communications device to send the first data, where the resource for sending the first control information is used by the first communications device to send the first control information, the first The codebook set is used by the first control information to send the first data in the first codebook set on the second resource.
  • an embodiment of the present application provides a computer readable storage medium, where the computer readable storage medium stores instructions that, when run on a computer, cause the computer to perform the methods described in the above aspects.
  • the embodiment of the present application provides a computer program product, where the program product stores computer software instructions used by the first communication device or the second communication device, where the computer software instructions include the solution for performing the foregoing aspect. program of.
  • an embodiment of the present application provides a chip for performing the method related to the foregoing aspect, where the chip may include a portion having a function of a memory, a processor, a transmitter, a receiver, and/or a transceiver, the memory There are instructions, code and/or data stored therein for performing the methods involved in the above aspects.
  • the embodiment of the present application provides a system, where the system includes the first communication device, the second communication device, and/or the network device in the foregoing aspect.
  • FIG. 1 is a schematic architectural diagram of a system in accordance with an embodiment of the present application.
  • FIG. 2 is a data transmission method, a first communication device, a second communication device, a network device, and a system according to an embodiment of the present application.
  • FIG. 3 illustrates a data transmission method, a first communication device, a second communication device, and a system according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a data transmission resource according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a data transmission resource according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a data transmission resource according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a NOMA according to an embodiment of the present application.
  • FIG. 8 is a first communication device in accordance with an embodiment of the present application.
  • FIG. 9 is a second communication device in accordance with an embodiment of the present application.
  • FIG. 10 is a network device according to an embodiment of the present application.
  • the first communication device sends control information to the second communication device, and the control information may be Sideline Assignment (SA), where the control information is used to indicate that the first communication device sends the second communication device to the second communication device.
  • SA Sideline Assignment
  • the time-frequency resource of the data, the modulation and coding format, the packet size, and the like, the second communication device receives the control information, and then decodes the received data according to the control information.
  • the resource that the first communication device sends the control information to the second communication device and the resource that sends the data may be configured by the network device, or may be autonomously selected by the first communication device in the V2X resource pool.
  • the network device referred to in the present application is a device deployed in a radio access network to provide a wireless communication function for a first or second communication device.
  • the network device may be various forms of network equipment or a base station (BS), for example, a macro base station, a micro base station, a relay station or an access point, and the like.
  • BS base station
  • the names of devices with network device functions may be different, for example, they are network devices or base stations in the fifth-generation 5G network, in the Long Term Evolution (Long Term Evolution, In the LTE network, the evolved Node B (referred to as eNB or eNodeB), in the third generation 3G network, called Node B, etc., or the roadside unit in V2X communication (Road) Side Unit, RSU), or a chip or system on chip (SOC) inside the network device or base station.
  • eNB or eNodeB Long Term Evolution, In the LTE network, the evolved Node B (referred to as eNB or eNodeB), in the third generation 3G network, called Node B, etc., or the roadside unit in V2X communication (Road) Side Unit, RSU), or a chip or system on chip (SOC) inside the network device or base station.
  • eNB Long Term Evolution, In the LTE network
  • Node B the third generation 3G network
  • the first or second communication device to which the present application relates may include various devices having a wireless communication function or a chip or SOC in the device, and the device having the wireless communication function may be, for example, an in-vehicle device or a wearable device. , a computing device or other processing device connected to the wireless modem, a mobile station (MS), a terminal, and a user equipment (User Equipment, UE).
  • MS mobile station
  • UE user equipment
  • the above-mentioned devices are collectively referred to as a first or second communication device.
  • FIG. 2 and FIG. 3 show a data transmission method, a first communication device, a second communication device, a network device, and a system provided by an embodiment of the present application.
  • the first communication device includes a transmitting unit 81, a determining unit 82, and a receiving unit 83, wherein the transmitting unit 81 and the receiving unit 83 can be replaced by a transceiving unit.
  • the second communication device includes a receiving unit 91, a determining unit 92, and a transmitting unit 93, wherein the receiving unit 91 and the transmitting unit 93 can be replaced by a transceiver unit.
  • the network device includes a transmitting unit 101, a determining unit 102, and a receiving unit 103, and the transmitting unit 101 and the receiving unit 103 can be replaced by a transceiver unit.
  • the determining unit 82, the determining unit 92 or the determining unit 102 may be a processor, a sending unit 81, a sending unit 93, and a sending unit 101.
  • the receiving unit 83, the receiving unit 91, the receiving unit 103 or the transceiving unit may be a transceiver, the transmitting unit 81, the transmitting unit 93 or the transmitting unit 101 may be a transmitter, and the receiving unit 83, the receiving unit 91 or the receiving unit 103 may be receiving
  • the transceiver, transmitter or receiver may be a radio frequency circuit, and when the first or second communication device or network device includes a storage unit, the storage unit is configured to store computer instructions, the processor is in communication with the memory, and is processed
  • the computer executes memory stored computer instructions to cause the first communication device, the second communication device, or the network device to perform the method of the embodiment of FIG. 2 or FIG.
  • the processor may be a general purpose central processing unit (CPU), a microprocessor, and an application specific integrated circuit (ASIC).
  • the determining unit 82, the determining unit 92 or the determining unit 102 may be, for example, a processor, and the transmitting unit 81, the transmitting unit 93 or the transmitting unit 101 may be an output.
  • the receiving unit 83, the receiving unit 91 or the receiving unit 103 may be an input interface, a pin or a circuit, etc.
  • the transceiver unit may be, for example, an input/output interface, a pin or a circuit, or the like.
  • the processing unit can execute computer-executable instructions stored by the storage unit to cause the chip within the first communication device or the second communication device to perform the method of FIG. 2 or FIG.
  • the storage unit is a storage unit in the chip, such as a register, a cache, etc.
  • the storage unit may also be a storage unit located outside the chip in the terminal, such as a read-only memory (Read Only Memory, ROM) or other types of static storage devices that can store static information and instructions, Random Access Memory (RAM), etc.
  • ROM Read Only Memory
  • RAM Random Access Memory
  • the embodiment of FIG. 2 is a mode 3 (Mode 3) communication mode of V2X communication, that is, resources for transmitting data and control information between communication devices are scheduled by a base station, and specific steps of the data transmission method according to the embodiment of FIG. 2 are as follows:
  • Step 21 The sending unit 101 of the network device sends first scheduling information to the first communications device, where the receiving unit 83 of the first communications device receives the first scheduling information from the network device.
  • the first scheduling information is used to indicate that the first communication device sends the resource of the first control information and the first codebook set used by the first communications device to send the first data.
  • Step 22 The sending unit 81 of the first communications device sends the first control information to the second communications device on the first sub-resource of the first resource, where the receiving unit 91 of the second communications device is on the first sub-resource of the first resource. Receiving the first control information from the first communication device.
  • the first resource includes n sub-resources, n is a positive integer greater than or equal to 2, the first sub-resource is one of the n sub-resources, and the first control information includes a first codebook set.
  • the first set of codebooks includes at least one codebook.
  • Step 23 The sending unit 81 of the first communications device sends the first data to the second communications device on the second resource according to the first codebook set, and the receiving unit 91 of the second communications device is configured according to the first code.
  • the set receives the first data from the second communication device on the second resource.
  • the embodiment of FIG. 3 is a mode 4 (Mode 4) communication mode of V2X communication, that is, resources for transmitting data and control information between communication devices are independently selected by the communication device, and specific steps of the data transmission method involved in the embodiment of FIG. as follows:
  • Step 31 The determining unit 82 of the first communications device selects the first sub-resource in the first resource, where the first sub-resource has a preset correspondence with the first codebook set.
  • the determining unit 82 of the first communication device obtains the first codebook set according to the first sub-resource and the preset correspondence.
  • the communication mode of the mode 4 shown in FIG. 3 may further include step 30, where the determining unit 82 of the first communication device selects the first transmission resource in the first resource pool.
  • the first resource includes a first resource and a second resource, where the first resource is used to transmit control information, and the second resource is used to transmit data, where the first resource pool may be preset or may be The network device is configured; the first resource and the second resource may also be preset, or may be configured by the network device.
  • the first resource pool includes at least one transmission resource, where the first transmission resource is one of the at least one transmission resource included in the first resource pool, and any one of the at least one transmission resource included in the first resource pool may be Selected by the first communication device for V2X communication.
  • the first resource includes n sub-resources, and each sub-resource may be used by one communication device.
  • the control information is transmitted, and each sub-resource is preset or configured by the network device to have a codebook set, that is, each sub-resource has a corresponding relationship with a codebook set.
  • the first communication device selects the first transmission resource in the first resource pool, and selects the first sub-resource in the first resource included in the first transmission resource to transmit the first control information, when the first communication
  • the device selects the first sub-resource
  • the first codebook set corresponding to the first sub-resource is obtained, and the location relationship between the first resource and the second resource is also obtained as FDM or TDM.
  • the first transmission resource is corresponding to a codebook set
  • the first transmission resource may be preset or configured by the network device, and the codebook included in the codebook set corresponding to the first transmission resource is used to transmit the control information by using the first resource.
  • Multiple communication devices are equally divided or preempted. For example, if the codebook is equally divided, the first resource includes three sub-resources, which are respectively used for three communication device transmission control information, and the codebook for transmitting data on the second resource is nine, then three Each communication device in the communication device selects 3 codebooks for transmitting its data. For example, if the codebook is preempted, different communication devices can preempt the codebook in the codebook set according to their own service requirements.
  • a load rate threshold of the transmission resource where the load rate threshold may be predefined or configured by the network device, and the load rate is a number of codebooks that may be used by the current transmission resource detected or predicted by the communication device and corresponding to the transmission resource. The ratio of the total number of codebooks included in the codebook set. If the load rate detected or predicted by the first communication device is lower than the load rate threshold, the first communication device can preempt more codebooks for its data. transmission.
  • the information indicating that the codebook included in the codebook set is evenly divided or preempted by the information indicating that the information is transmitted by the network device to the first communications device of course,
  • the codebook included in the codebook set corresponding to a resource is preset to be evenly divided or preset to preempt.
  • the flexibility of resource configuration can be improved by setting the load rate threshold.
  • Step 32 The sending unit 81 of the first communication device sends the first control information to the second communication device on the first sub-resource of the first resource, and the receiving unit 91 of the second communication device is on the first sub-resource of the first resource. Receiving the first control information from the first communication device.
  • the first resource includes n sub-resources, n is a positive integer greater than or equal to 2, the first sub-resource is one of the n sub-resources, and the first control information includes a first codebook set.
  • the first set of codebooks includes at least one codebook.
  • Step 33 The sending unit 81 of the first communications device sends the first data to the second communications device on the second resource according to the first codebook set, and the receiving unit 91 of the second communications device is configured according to the first code.
  • the set receives the first data from the second communication device on the second resource.
  • the second sub-resource of the first resource is used by the third communications device to send second control information to the fourth communications device, where the second sub-resource is the n sub-resources included in the first resource.
  • the second control information includes a second codebook set, and the second codebook set includes at least one codebook;
  • the third communication device sends the second data to the fourth communication device on the second resource according to the second codebook set.
  • step 21 and step 31 are not necessary.
  • the first control information further includes first indication information, where the first indication information is used to indicate that the first resource and the second resource are in a frequency division multiplexing relationship or a time division multiplexing relationship.
  • the second control information further includes second indication information, where the second indication information is used to indicate that the first resource and the second resource are in a frequency division multiplexing relationship or a time division multiplexing relationship.
  • the first resource and the second resource constitute a transmission resource for transmitting V2X control information and data
  • the transmission resource may be a subchannel, and the subchannel includes at least one resource block (RB) in the frequency domain, and is included in the time domain.
  • RB resource block
  • the subchannel may serve as a unit for transmitting V2X information, and the number of RBs included in the frequency domain and the length in the time domain may be predefined by the protocol or configured by the network device.
  • the network device may send a mask to the first communications device to indicate the number of codebooks used by the first communications device, and the first communications device may also send a mask to the second communications device to indicate The number of codebooks used by the first communication device.
  • the first resource includes three sub-resources for three communication device transmission control information
  • the second resource uses NOMA data transmission for a total of six codebooks, and if the masks are 110000, 001100, and 000011, for the three communication devices Data will be transmitted using two codebooks respectively. If the masks are 100000, 010100, and 000011, data will be transmitted using one codebook, three codebooks, and two codebooks for each of the three communication devices.
  • the first resource is divided into six sub-resources in the frequency domain, and the six sub-resources occupy the same time-domain resource.
  • the six sub-resources have the same time-frequency resource size, and each sub-resource can be used for
  • a communication device transmits control information, and the control information may be Sidelink Assignment (SA) information. Then, the communication device 1 transmits SA1 on the sub-resource 1, the SA1 includes the codebook set 1, and the communication device 2 is on the sub-resource 2.
  • SA Sidelink Assignment
  • Transmission SA2, SA2 will contain codebook set 2
  • communication device 3 will transmit SA3 on sub-resource 3
  • SA3 will contain codebook set 3
  • communication device 4 will transmit SA4 on sub-resource 4
  • SA4 will contain codebook set 4
  • the device 5 transmits the SA5 on the sub-resource 5
  • the SA5 will contain the codebook set 5
  • the communication device 6 transmits the SA6 on the sub-resource 6
  • the SA6 will contain the codebook set 6
  • the SA1 to SA6 are orthogonal transmissions.
  • the communication device 1 transmits the data 1 on the second resource according to the codebook set 1
  • the communication device 2 transmits the data 2 on the second resource according to the codebook set 2
  • the communication device 3 is on the second resource according to the codebook set 3.
  • the communication device 4 transmits the data 4 on the second resource according to the codebook set 4
  • the communication device 5 transmits the data 5 on the second resource according to the codebook set 5
  • the communication device 6 is based on the codebook set 6
  • the second resource transmits data 6, and the data 1 to the data 6 are non-orthogonal transmissions, that is, the non-orthogonal multiple access (NOMA) is adopted when the plurality of communication devices transmit data.
  • NOMA non-orthogonal multiple access
  • FIG. 5 is an example of a TDM relationship between a first resource and a second resource in the embodiment of FIG. 2 and FIG. 3, which includes m subchannels, where m is a positive integer, and each subchannel is available for V2X communication, in the sub- In channel 0, the first resource is divided into six sub-resources, each sub-resource can be used for one communication device to transmit control information, and the control information can be SA information, then the communication device 1 transmits SA1 on the sub-resource 1, and the SA1 will contain the code.
  • the communication device 2 transmits the SA2 on the sub-resource 2
  • the SA2 will contain the codebook set 2
  • the communication device 3 transmits the SA3 on the sub-resource 3
  • the SA3 will contain the codebook set 3
  • the communication device 4 will be on the sub-resource 4 Transmission SA4, SA4 will contain codebook set 4, communication device 5 will transmit SA5 on sub-resource 5, SA5 will contain codebook set 5, communication device 6 will transmit SA6 on sub-resource 6, and SA6 will contain codebook set 6, SA1 To SA6 is orthogonal transmission.
  • the communication device 1 transmits the data 1 on the second resource according to the codebook set 1, and the communication device 2 transmits the data 2 on the second resource according to the codebook set 2, and the communication device 3 is on the second resource according to the codebook set 3.
  • Transmitting data 3 the communication device 4 transmits the data 4 on the second resource according to the codebook set 4
  • the communication device 5 transmits the data 5 on the second resource according to the codebook set 5
  • the communication device 6 is based on the codebook set 6
  • the second resource transmits data 6, and the data 1 to the data 6 are non-orthogonal transmissions, that is, the non-orthogonal multiple access (NOMA) is adopted when the plurality of communication devices transmit data.
  • NOMA non-orthogonal multiple access
  • V2X transmission resources are divided into several subchannels in the frequency domain, different subchannels can be used for V2X communication.
  • FIG. 4 and FIG. 5 show that m subchannels in the entire V2X resource bandwidth are TDM or In the case of FDM, in fact, different subchannels may be pre-defined by the protocol or flexibly configured by the network device in the form of TDM or FDM.
  • the network device may send 1-bit indication information to the first communication device to indicate In TDM or FDM, multiple subchannels in the V2X resource bandwidth may be in the form of TDM or FDM, as shown in FIG. 6, where subchannel 0 is FDM and subchannel m is TDM.
  • the embodiments of FIG. 2 to FIG. 6 use the non-orthogonal multiple access access NOMA method to transmit data, that is, multiple communication devices use the same time-frequency resource to transmit data
  • NOMA technology may specifically include sparse code division multiple access ( Sparse Code Multiple Access (SCMA), Multi-User Shared Access (MUSA), Interleave Division Multiple Access (IDMA), Interleaved Grid Multiple Access IGMA (Interleave Grid) Multiple Access (IGMA) or Resource Spread Multiple Access (RSMA).
  • a number of codebooks may be pre-defined by the protocol or configured by the network device, and the codebook may also be a signature. Different communication devices may be configured or autonomously select one or more codebooks of the plurality of codebooks.
  • codebook set for transmitting data of the communication device there are six codebooks, which are codebook 1 to codebook 6, respectively, and the second resource includes four resource elements (Resource Element, RE), respectively RE1 to RE4, the existing communication device 1 and the communication device 2 will transmit their respective data on the second resource in the manner of NOMA. If the data is transmitted on the second resource according to the codebook 1, in FIG. 7, according to the codebook The transmission data is mapped to the RE2 and the RE4. The REs to which the data is transmitted according to the codebook 2 to the codebook 6 are as shown in FIG. 7, and are not described again.
  • RE resource Element
  • the communication device 1 transmits data 1 on the second resource according to the codebook 1 and the codebook 2, according to the codebook 1 and the codebook 2 data 1 Will be mapped to RE1 to RE4, the communication device 2 will send data 2 on the second resource according to the codebook 3 to the codebook 6, and according to the codebook 3 to the codebook 6, the data 2 will be mapped to RE1 to RE4, ie, the communication device Both the communication device 2 and the communication device 2 transmit data on RE1 to RE4 included in the second resource.
  • the communication device 1 transmits the control information 1 to the communication device 3 on the sub-resource 1, and the control information 1 will include the codebook set 1 sent to the communication device 3, and the communication device 3 will receive the second resource according to the codebook set 1
  • the obtained data is decoded to obtain the data 1
  • the communication device 2 transmits the control information 2 to the communication device 4 on the sub-resource 2, and the control information 2 includes the codebook set 2 to be sent to the communication device 4, and the communication device 4 according to the codebook
  • the set 2 decodes the data received on the second resource to obtain the data 2, and therefore, the data 1 and the data 2 are transmitted in a non-orthogonal manner on the second resource, thereby improving the use efficiency of the resource.
  • the communication device 3 or the communication device 4 first caches the data on the second resource, that is, the data received by the communication device 3 and the communication device 4 on the second resource is the same, and the communication device 3 according to the codebook set. 1 Decoding data received on the second resource to obtain data 1, the communication device 4 decodes the data received on the second resource according to the codebook set 2 to obtain the data 2.
  • the first communications device sends the first control information to the second communications device on the first sub-resource of the first resource, where the first control information includes a first codebook set, and the first codebook The set includes at least one codebook, and the first communications device sends the first data to the second communications device according to the first codebook set on the second resource, where the first communications device uses the first codebook set to
  • the method of orthogonal access sends the first data on the second data, and the second resource can also be used for sending data by other communication devices, thereby improving resource utilization efficiency.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are only illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • a computer readable storage medium A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

一种数据的传输方法、第一通信设备、第二通信设备和***，其中发送方法包括：第一通信设备在第一资源的第一子资源上向第二通信设备发送第一控制信息，所述第一资源包含n个子资源，n为大于或等于2的正整数，所述第一子资源为所述n个子资源中的一个资源，所述第一控制信息包括第一码本集合，所述第一码本集合包含至少一个码本；所述第一通信设备根据所述第一码本集合在第二资源上向所述第二通信设备发送第一数据。由此，第一通信设备采用第一码本集合以非正交接入的方式在第二数据上发送第一数据，第二资源还可以用于其他的通信设备发送数据，因此，提高了资源的利用效率。

Description

一种数据的传输方法、通信设备和网络设备
本申请要求于2017年12月23日提交中国国家知识产权局、申请号为201711409969.4、申请名称为“一种数据的传输方法、通信设备和网络设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请的实施例涉及通信***，尤其是涉及一种数据的传输方法、通信设备和网络设备。
背景技术
设备到设备(Device to Device，D2D)通信、车与车(Vehicle to Vehicle，V2V)通信、车与行人V2P(Vehicle to Pedestrian，V2P)通信或车与基建/网络V2I/N(Vehicle to Infrastructure/Network，V2I/N)通信是终端设备(terminal device)之间直接进行通信的技术，V2V、V2P以及V2I/N统称为V2X，即车与任何事物相通信。
以V2X通信为例，发送端设备会将自身的一些信息，例如位置、速度、意图信息(例如，转弯、并线、倒车等信息)周期性地向发送端设备周围的设备发送，以提高车辆行驶的安全性。发送端设备在第一资源上向接收端设备发送控制信息，此发送端设备会根据此控制信息在第二资源上向接收端设备发送数据，第一资源和第二资源为频分复用的形式，接收端设备会先将控制信息和数据接收并缓存，然后，接收端设备会解码控制信息，并根据正确解码的控制信息去解码缓存的数据。为了降低干扰，不同终端设备的数据之间是正交传输的，所述第二资源只能用于传输所述发送端设备的数据，而不能传输其他设备的数据，造成了资源的使用效率低下。
发明内容
本申请的实施例提供一种数据的传输方法、第一通信设备、第二通信设备和网络设备，能够提高资源的使用效率。
第一方面，提供了数据的发送方法，包括：第一通信设备在第一资源的第一子资源上向第二通信设备发送第一控制信息，所述第一资源包含n个子资源，n为大于或等于2的正整数，所述第一子资源为所述n个子资源中的一个资源，所述第一控制信息包括第一码本集合，所述第一码本集合包含至少一个码本；所述第一通信设备根据所述第一码本集合在第二资源上向所述第二通信设备发送第一数据。
通过本申请实施例，第一通信设备在第一资源的第一子资源上向第二通信设备发送第一控制信息，所述第一控制信息包括第一码本集合，所述第一码本集合包含至少一个码本，所述第一通信设备根据所述第一码本集合在第二资源上向所述第二通信设备发送第一数据，第一通信设备采用第一码本集合以非正交接入的方式在第二数据上发送第一数据，第二资源还可以用于其他的通信设备发送数据，因此，提高了资源的利用效率。
在一种可能的设计中，所述第一通信设备从网络设备接收第一调度信息，所述第一 调度信息用于指示所述第一通信设备发送所述第一控制信息的资源以及所述第一通信设备发送所述第一数据所用的所述第一码本集合。
在一种可能的设计中，所述第一通信设备在所述第一资源中选择所述第一子资源，所述第一子资源与所述第一码本集合具有预设的对应关系，所述第一通信设备根据所述第一子资源以及所述预设的对应关系获得所述第一码本集合。
在一种可能的设计中，所述第一资源的第二子资源用于第三通信设备向第四通信设备发送第二控制信息，所述第二子资源为所述第一资源包含的n个子资源中除所述第一子资源外的一个子资源，所述第二控制信息包括第二码本集合，所述第二码本集合包含至少一个码本；所述第二资源还用于所述第三通信设备根据所述第二码本集合在所述第二资源上向第四通信设备发送第二数据。
在一种可能的设计中，所述第一控制信息还包括第一指示信息，所述第一指示信息用于指示所述第一资源与所述第二资源为频分复用关系或为时分复用关系；或所述第二控制信息还包括第二指示信息，所述第二指示信息用于指示所述第一资源与所述第二资源为频分复用关系或为时分复用关系。
在一种可能的设计中，所述第一控制信息与所述第二控制信息为正交传输，所述第一数据与所述第二数据为非正交传输。
第二方面，提供了一种第一通信设备，包括：发送单元，用于在第一资源的第一子资源上向第二通信设备发送第一控制信息，所述第一资源包含n个子资源，n为大于或等于2的正整数，所述第一子资源为所述n个子资源中的一个资源，所述第一控制信息包括第一码本集合，所述第一码本集合包含至少一个码本；所述发送单元，还用于根据所述第一码本集合在第二资源上向所述第二通信设备发送第一数据。
通过本申请实施例，第一通信设备在第一资源的第一子资源上向第二通信设备发送第一控制信息，所述第一控制信息包括第一码本集合，所述第一码本集合包含至少一个码本，所述第一通信设备根据所述第一码本集合在第二资源上向所述第二通信设备发送第一数据，第一通信设备采用第一码本集合以非正交接入的方式在第二数据上发送第一数据，第二资源还可以用于其他的通信设备发送数据，因此，提高了资源的利用效率。
在一种可能的设计中，所述第一通信设备还包括接收单元，所述接收单元，用于从网络设备接收第一调度信息，所述第一调度信息用于指示所述发送单元发送所述第一控制信息的资源以及所述发送单元发送所述第一数据所用的所述第一码本集合。
在一种可能的设计中，所述第一通信设备还包括确定单元，所述确定单元，还用于在所述第一资源中选择所述第一子资源，所述第一子资源与所述第一码本集合具有预设的对应关系；所述确定单元，还用于根据所述第一子资源以及所述预设的对应关系获得所述第一码本集合。
在一种可能的设计中，所述第一资源的第二子资源用于第三通信设备向第四通信设备发送第二控制信息，所述第二子资源为所述第一资源包含的n个子资源中除所述第一子资源外的一个子资源，所述第二控制信息包括第二码本集合，所述第二码本集合包含至少一个码本；所述第二资源还用于所述第三通信设备根据所述第二码本集合在所述第二资源上向第四通信设备发送第二数据。
在一种可能的设计中，所述第一控制信息还包括第一指示信息，所述第一指示信息用于指示所述第一资源与所述第二资源为频分复用关系或为时分复用关系；或所述第二 控制信息还包括第二指示信息，所述第二指示信息用于指示所述第一资源与所述第二资源为频分复用关系或为时分复用关系。
在一种可能的设计中，所述第一控制信息与所述第二控制信息为正交传输，所述第一数据与所述第二数据为非正交传输。
第三方面，提供了一种数据的接收方法，其特征在于，包括：第二通信设备在第一资源的第一子资源上从第一通信设备接收第一控制信息，所述第一资源包含n个子资源，n为大于或等于2的正整数，所述第一子资源为所述n个子资源中的一个资源，所述第一控制信息包括第一码本集合，所述第一码本集合包含至少一个码本；所述第二通信设备根据所述第一码本集合在第二资源上从所述第一通信设备接收第一数据。
通过本申请实施例，第一通信设备在第一资源的第一子资源上向第二通信设备发送第一控制信息，所述第一控制信息包括第一码本集合，所述第一码本集合包含至少一个码本，所述第一通信设备根据所述第一码本集合在第二资源上向所述第二通信设备发送第一数据，第一通信设备采用第一码本集合以非正交接入的方式在第二数据上发送第一数据，第二资源还可以用于其他的通信设备发送数据，因此，提高了资源的利用效率。
在一种可能的设计中，所述第一资源的第二子资源用于第三通信设备向第四通信设备发送第二控制信息，所述第二子资源为所述第一资源包含的n个子资源中除所述第一子资源外的一个子资源，所述第二控制信息包括第二码本集合，所述第二码本集合包含至少一个码本；所述第二资源还用于所述第三通信设备根据所述第二码本集合在所述第二资源上向第四通信设备发送第二数据。
在一种可能的设计中，所述第一控制信息还包括第一指示信息，所述第一指示信息用于指示所述第一资源与所述第二资源为频分复用关系或为时分复用关系；或所述第二控制信息还包括第二指示信息，所述第二指示信息用于指示所述第一资源与所述第二资源为频分复用关系或为时分复用关系。
在一种可能的设计中，所述第一控制信息与所述第二控制信息为正交传输，所述第一数据与所述第二数据为非正交传输。
第四方面，提供了一种第二通信设备，包括：接收单元，用于在第一资源的第一子资源上从第一通信设备接收第一控制信息，所述第一资源包含n个子资源，n为大于或等于2的正整数，所述第一子资源为所述n个子资源中的一个资源，所述第一控制信息包括第一码本集合，所述第一码本集合包含至少一个码本；所述接收单元，还用于根据所述第一码本集合在第二资源上从所述第一通信设备接收第一数据。
通过本申请实施例，第一通信设备在第一资源的第一子资源上向第二通信设备发送第一控制信息，所述第一控制信息包括第一码本集合，所述第一码本集合包含至少一个码本，所述第一通信设备根据所述第一码本集合在第二资源上向所述第二通信设备发送第一数据，第一通信设备采用第一码本集合以非正交接入的方式在第二数据上发送第一数据，第二资源还可以用于其他的通信设备发送数据，因此，提高了资源的利用效率。
在一种可能的设计中，所述第一资源的第二子资源用于第三通信设备向第四通信设备发送第二控制信息，所述第二子资源为所述第一资源包含的n个子资源中除所述第一子资源外的一个子资源，所述第二控制信息包括第二码本集合，所述第二码本集合包含至少一个码本；所述第二资源还用于所述第三通信设备根据所述第二码本集合在所述第二资源上向第四通信设备发送第二数据。
在一种可能的设计中，所述第一控制信息还包括第一指示信息，所述第一指示信息用于指示所述第一资源与所述第二资源为频分复用关系或为时分复用关系；或所述第二控制信息还包括第二指示信息，所述第二指示信息用于指示所述第一资源与所述第二资源为频分复用关系或为时分复用关系。
在一种可能的设计中，所述第一控制信息与所述第二控制信息为正交传输，所述第一数据与所述第二数据为非正交传输。
第五方面，提供了一种网络设备，包括：网络设备向第一通信设备发送第一调度信息，所述第一调度信息用于指示所述第一通信设备发送第一控制信息的资源以及所述第一通信设备发送所述第一数据所用的所述第一码本集合，所述发送第一控制信息的资源用于所述第一通信设备发送所述第一控制信息，所述第一码本集合用于所述第一控制信息在第二资源上格局所述第一码本集合发送第一数据。
第六方面，本申请实施例提供了一种计算机可读存储介质，所述计算机可读存储介质中存储有指令，当其在计算机上运行时，使得计算机执行上述各方面所述的方法。
第七方面，本申请实施例提供了一种计算机程序产品，该程序产品储存有上述第一通信设备或第二通信设备所用的计算机软件指令，该计算机软件指令包含用于执行上述方面所述方案的程序。
第八方面，本申请实施例提供了一种芯片，用以执行上述方面所涉及的方法，该芯片可以包含具有存储器、处理器、发送器、接收器和/或收发器功能的部分，此存储器中存储有指令、代码和/或数据，用以执行上述方面所涉及的方法。
第九方面，本申请实施例提供了一种***，所述***包括上述方面的第一通信设备、第二通信设备和/或网络设备。
附图说明
图1是根据本申请实施例的***的示意性架构图。
图2是根据本申请实施例的一种数据的传输方法、第一通信设备、第二通信设备、网络设备及***。
图3是根据本申请实施例的一种数据的传输方法、第一通信设备、第二通信设备及***。
图4是根据本申请实施例的一种数据传输资源示意图。
图5是根据本申请实施例的一种数据传输资源示意图。
图6是根据本申请实施例的一种数据传输资源示意图。
图7是根据本申请实施例的一种NOMA示意图。
图8是根据本申请实施例的一种第一通信设备。
图9是根据本申请实施例的一种第二通信设备。
图10是根据本申请实施例的一种网络设备。
具体实施方式
在图1中，第一通信设备向第二通信设备发送控制信息，控制信息可以为侧行分配 信息(Sidelink Assignment，SA)，此控制信息用于指示第一通信设备向第二通信设备发送的数据的时频资源、调制编码格式、数据包大小等信息，第二通信设备接收此控制信息，然后根据此控制信息解码所接收到的数据。第一通信设备向第二通信设备发送控制信息的资源以及发送数据的资源可以是由网络设备配置的，也可以是由第一通信设备在V2X资源池中自主选择的。
本申请所涉及到的网络设备是一种部署在无线接入网中用以为第一或第二通信设备提供无线通信功能的装置。网络设备可以为各种形式的网络设备或基站(Base Station，BS)，例如，宏基站，微基站，中继站或接入点等等。在采用不同的无线接入技术的***中，具备网络设备功能的设备的名称可能会有所不同，例如，其为第五代5G网络中的网络设备或基站，在长期演进(Long Term Evolution，LTE)网络中，称为演进的节点B(evolved NodeB简称：eNB或者eNodeB),在第三代3G网络中，称为节点B(Node B)等等，或者V2X通信中的路边单元(Road Side Unit，RSU)，或者为上述网络设备或者基站内部的芯片或者片上***(System on Chip，SOC)。为方便描述，本申请中，上述为第一或第二通信设备提供无线通信功能的装置统称为网络设备。
本申请所涉及到的第一或第二通信设备可以包括各种具有无线通信功能的设备或者此设备中的芯片或者SOC，所述具有无线通信功能的设备例如可以是，车载设备、可穿戴设备、计算设备或连接到无线调制解调器的其它处理设备，移动台(Mobile station，MS)，终端(terminal)，用户设备(User Equipment，UE)。为方便描述，本申请中，上面提到的设备统称为第一或第二通信设备。
下面结合具体例子，以第一通信设备、第二通信设备和网络设备为例，更加详细地描述本申请的实施例。
图2和图3本申请实施例提供的一种数据的传输方法、第一通信设备、第二通信设备、网络设备及***。如图8所示，第一通信设备包括发送单元81、确定单元82以及接收单元83，其中，发送单元81与接收单元83可以由收发单元代替。如图9所示，第二通信设备包括接收单元91、确定单元92以及发送单元93，其中，接收单元91与发送单元93可以由收发单元代替。如图10所示，网络设备包括发送单元101、确定单元102以及接收单元103，发送单元101和接收单元103可以由收发单元代替。
当第一或第二通信设备为终端设备或者用户设备时，当网络设备为基站时，确定单元82、确定单元92或确定单元102可以为处理器，发送单元81、发送单元93、发送单元101、接收单元83、接收单元91、接收单元103或者收发单元可以为收发器，发送单元81、发送单元93或发送单元101可以为发射器，接收单元83、接收单元91或接收单元103可以为接收器，此收发器、发射器或接收器可以为射频电路，当第一或第二通信设备或网络设备包含存储单元时，该存储单元用于存储计算机指令，该处理器与存储器通信连接，处理器执行存储器存储的计算机指令，使第一通信设备、第二通信设备或网络设备执行图2或图3实施例涉及的方法。其中，处理器可以是一个通用中央处理器(CPU)，微处理器，特定应用集成电路(Application Specific Intergrated Circuit，ASIC)。
当第一通信设备、第二通信设备或网络设备为芯片时，所述确定单元82、确定单元92或确定单元102例如可以是处理器，发送单元81、发送单元93或发送单元101可以是输出接口、管脚或电路等，接收单元83、接收单元91或接收单元103可以是输入接口、管脚或电路等，所述收发单元例如可以是输入/输出接口、管脚或电路等。该处理单元可 执行存储单元存储的计算机执行指令，以使该第一通信设备或第二通信设备内的芯片执行图2或图3所涉及的方法。可选地，所述存储单元为所述芯片内的存储单元，如寄存器、缓存等，所述存储单元还可以是所述终端内的位于所述芯片外部的存储单元，如只读存储器(Read Only Memory，ROM)或可存储静态信息和指令的其他类型的静态存储设备，随机存取存储器(Random Access Memory，RAM)等。
图2实施例为V2X通信的模式3(Mode 3)通信方式，即通信设备之间传输数据和控制信息的资源由基站调度的，图2实施例所涉及的数据的传输方法的具体步骤如下：
步骤21，网络设备的发送单元101向第一通信设备发送第一调度信息，所述第一通信设备的接收单元83从所述网络设备接收所述第一调度信息。第一调度信息用于指示所述第一通信设备发送所述第一控制信息的资源以及所述第一通信设备发送所述第一数据所用的所述第一码本集合。
步骤22，第一通信设备的发送单元81在第一资源的第一子资源上向第二通信设备发送第一控制信息，第二通信设备的接收单元91在第一资源的第一子资源上从第一通信设备接收所述第一控制信息。所述第一资源包含n个子资源，n为大于或等于2的正整数，所述第一子资源为所述n个子资源中的一个资源，所述第一控制信息包括第一码本集合，所述第一码本集合包含至少一个码本。
步骤23，第一通信设备的发送单元81根据所述第一码本集合在第二资源上向所述第二通信设备发送第一数据，第二通信设备的接收单元91根据所述第一码本集合在第二资源上从所述第二通信设备接收第一数据。
图3实施例为V2X通信的模式4(Mode 4)通信方式，即通信设备之间传输数据和控制信息的资源由通信设备自主选择的，图3实施例所涉及的数据的传输方法的具体步骤如下：
步骤31，第一通信设备的确定单元82在所述第一资源中选择所述第一子资源，所述第一子资源与所述第一码本集合具有预设的对应关系。第一通信设备的确定单元82会根据所述第一子资源以及所述预设的对应关系获得所述第一码本集合。
可选的，在步骤31之前，图3所示的模式4的通信方式还可以包括步骤30，步骤30为第一通信设备的确定单元82在第一资源池中选择所述第一传输资源，此第一传输资源包含第一资源和第二资源，第一资源是用于传输控制信息的，第二资源适用于传输数据的，其中，第一资源池可以为预设的，也可以是由网络设备配置的；第一资源和第二资源也可以为预设的，或者可以是由网络设备配置的。第一资源池包含至少一个传输资源，第一传输资源是第一资源池包含的至少一个传输资源中的一个传输资源，第一资源池所包含的至少一个传输资源中的任意一个传输资源都可能被第一通信设备选择用于V2X通信。对于第一资源池中的任意一个资源均预设或配置有与此资源对应的一些参数，以第一传输资源为例，第一资源池中传输控制信息的第一资源与传输数据的第二资源的位置关系为频分复用(Frequency Division Multiplexing，FDM)关系或者时分复用(Time Division Multiplexing，FDM)关系，第一资源包含有n个子资源，每一个子资源都可能被一个通信设备用于传输控制信息，且每一个子资源都预设或由网络设备配置有一个码本集合，即每一个子资源与一个码本集合具有对应关系。因此，第一通信设备在第一资源池中选择了第一传输资源，又在第一传输资源所包含的第一资源中选择了第一子资源用于传输第一控制信息，当第一通信设备选择了第一子资源时，即可获取与第一子资源 所对应的第一码本集合，也获取了第一资源与第二资源的位置关系是FDM或TDM。
可选的，第一传输资源与一个码本集合对应，第一传输资源可以预设或者被网络设备配置为第一传输资源对应的码本集合所包含的码本被利用第一资源传输控制信息的多个通信设备均分或者抢占。例如，如果为码本被均分的情况，第一资源包含3个子资源，分别用于3个通信设备传输控制信息，用于在第二资源上传输数据的码本为9个，则3个通信设备中的每一个通信设备会选择3个码本用于传输其数据。例如，如果为码本被抢占的情况，不同的通信设备可以根据自身的业务需求抢占码本集合中的码本。定义传输资源的负载率阈值，负载率阈值可以为预定义的或者由网络设备配置的，负载率为通信设备检测或者预判的当前传输资源可能使用的码本个数与此传输资源所对应的码本集合所包含的码本总数的比值，如果第一通信设备检测或者预判得到的负载率低于所述负载率阈值，则第一通信设备可以抢占更多的码本用于其数据的传输。可选的，可以通过1比特的指示信息来指示通信设备对码本集合所包含的码本均分或者抢占，此指示信息可以为网络设备发送给第一通信设备的，当然，也可以为对于某个资源对应的码本集合所包含的码本是被预设为均分或者被预设为抢占。通过负载率阈值的设置，可以提高资源配置的灵活性。
步骤32，第一通信设备的发送单元81在第一资源的第一子资源上向第二通信设备发送第一控制信息，第二通信设备的接收单元91在第一资源的第一子资源上从第一通信设备接收所述第一控制信息。所述第一资源包含n个子资源，n为大于或等于2的正整数，所述第一子资源为所述n个子资源中的一个资源，所述第一控制信息包括第一码本集合，所述第一码本集合包含至少一个码本。
步骤33，第一通信设备的发送单元81根据所述第一码本集合在第二资源上向所述第二通信设备发送第一数据，第二通信设备的接收单元91根据所述第一码本集合在第二资源上从所述第二通信设备接收第一数据。
在图2或图3实施例，第一资源的第二子资源用于第三通信设备向第四通信设备发送第二控制信息，所述第二子资源为所述第一资源包含的n个子资源中除所述第一子资源外的一个子资源，所述第二控制信息包括第二码本集合，所述第二码本集合包含至少一个码本；所述第二资源还用于所述第三通信设备根据所述第二码本集合在所述第二资源上向第四通信设备发送第二数据。可选的，在图2或图3实施例，步骤21以及步骤31不是必需的。
第一控制信息还包括第一指示信息，所述第一指示信息用于指示所述第一资源与所述第二资源为频分复用关系或为时分复用关系。第二控制信息还包括第二指示信息，所述第二指示信息用于指示所述第一资源与所述第二资源为频分复用关系或为时分复用关系。
第一资源和第二资源构成了传输V2X控制信息和数据的传输资源，此传输资源可以为子信道，子信道在频域上包括至少一个资源块(Resource Block，RB)，在时域上包括一个子帧、一个时隙、一个微时隙或至少一个符号。子信道可以作为传输V2X信息的单元，子信道在频域上包含RB的数量以及在时域上的长度均可以为协议预定义的或者由网络设备配置。
可选的，在图2实施例中，网络设备可以向第一通信设备发送掩码来指示第一通信设备采用的码本数量，第一通信设备也可以向第二通信设备发送掩码来指示第一通信设 备采用的码本数量。例如，第一资源包含三个子资源用于三个通信设备传输控制信息，而第二资源采用NOMA数据传输共有六个码本，如果掩码为110000、001100以及000011，则对于这三个通信设备将分别采用2个码本来发送数据，如果掩码为100000、010100以及000011，则对于三个通信设备将分别采用1个码本、3个码本以及2个码本来发送数据。
图4为图2和图3实施例的第一资源与第二资源为FDM关系的例子，其包含有m个子信道，m为正整数，每个子信道都可用于V2X通信，在图4的子信道0中，第一资源在频域上分成了六个子资源，这六个子资源占有相同的时域资源，优选的，此六个子资源具有相同的时频资源大小，每个子资源都可以用于一个通信设备传输控制信息，控制信息可以为侧行分配(Sidelink Assignment，SA)信息，则通信设备1在子资源1上传输SA1，SA1会包含码本集合1，通信设备2在子资源2上传输SA2，SA2会包含码本集合2，通信设备3在子资源3上传输SA3，SA3会包含码本集合3，通信设备4在子资源4上传输SA4，SA4会包含码本集合4，通信设备5在子资源5上传输SA5，SA5会包含码本集合5，通信设备6在子资源6上传输SA6，SA6会包含码本集合6，SA1至SA6为正交传输。通信设备1会根据码本集合1在第二资源上传输数据1，通信设备2会根据码本集合2在第二资源上传输数据2，通信设备3会根据码本集合3在第二资源上传输数据3，通信设备4会根据码本集合4在第二资源上传输数据4，通信设备5会根据码本集合5在第二资源上传输数据5，通信设备6会根据码本集合6在第二资源上传输数据6，数据1至数据6为非正交传输，即多个通信设备传输数据时采用的是非正交多址接入(Non Orthogonal Multiple Access,NOMA)。
图5为图2和图3实施例的第一资源与第二资源为TDM关系的例子，其包含有m个子信道，m为正整数，每个子信道都可用于V2X通信，在图5的子信道0中，第一资源分成了六个子资源，每个子资源都可以用于一个通信设备传输控制信息，控制信息可以为SA信息，则通信设备1在子资源1上传输SA1，SA1会包含码本集合1，通信设备2在子资源2上传输SA2，SA2会包含码本集合2，通信设备3在子资源3上传输SA3，SA3会包含码本集合3，通信设备4在子资源4上传输SA4，SA4会包含码本集合4，通信设备5在子资源5上传输SA5，SA5会包含码本集合5，通信设备6在子资源6上传输SA6，SA6会包含码本集合6，SA1至SA6为正交传输。通信设备1会根据码本集合1在第二资源上传输数据1，通信设备2会根据码本集合2在第二资源上传输数据2，通信设备3会根据码本集合3在第二资源上传输数据3，通信设备4会根据码本集合4在第二资源上传输数据4，通信设备5会根据码本集合5在第二资源上传输数据5，通信设备6会根据码本集合6在第二资源上传输数据6，数据1至数据6为非正交传输，即多个通信设备传输数据时采用的是非正交多址接入(Non Orthogonal Multiple Access,NOMA)。
对于V2X通信***而言，V2X传输资源会在频域上划分成若干个子信道，不同的子信道可以用于V2X通信图4和图5为在整个V2X资源带宽内的m个子信道均为TDM或FDM的情况，实际上，不同子信道采用TDM或者FDM的形式是可以由协议预定义或者由网络设备灵活配置的，例如，可以由网络设备向第一通信设备发送1比特的指示信息，来指示TDM或FDM，V2X资源带宽内的多个子信道可以采用TDM或FDM中的一种形式，如图6所示，子信道0为FDM，子信道m为TDM的情况。
图2至图6实施例采用非正交多址接入NOMA方式来传输数据，即多个通信设备使 用同一个时频资源来传输数据，此NOMA技术具体可以包括稀疏码分多址接入(Sparse Code Multiple Access，SCMA)、多用户共享接入MUSA(Multi User Shared Access，MUSA)，交织分割多址接入IDMA(Interleave Division Multiple Access，IDMA)，交织网格多址接入IGMA(Interleave Grid Multiple Access，IGMA)或资源扩展多址接入RSMA(Resource Spread Multiple Access，RSMA)。在NOMA技术中，会由协议预定义或者由网络设备配置若干个码本，码本也可以为签名，不同的通信设备可以被配置或自主选择此若干个码本中的一个或多个码本作为此通信设备传输数据的码本集合，如图7所示，共有六个码本，分别为码本1至码本6，第二资源包括四个资源单元(Resource Element，RE)，分别为RE1至RE4，现有通信设备1和通信设备2将会在第二资源上采用NOMA的方式发送各自的数据，如果数据根据码本1在第二资源上发送，在图7中，根据码本1发送数据会映射到RE2和RE4上，根据码本2至码本6发送数据映射到的RE具体如图7所示，不再赘述。如果通信设备1选择的或者由基站配置的传输控制信息的子资源1所对应的码本集合1包含码本1和码本2，通信设备2选择的或者由基站配置的传输控制信息的子资源2所对应的码本集2合包含码本3至码本6，则通信设备1会根据码本1和码本2在第二资源上发送数据1，根据码本1和码本2数据1会被映射到RE1至RE4，通信设备2会根据码本3至码本6在第二资源上发送数据2，根据码本3至码本6数据2会被映射到RE1至RE4，即通信设备1和通信设备2均会在第二资源所包含的RE1至RE4上发送数据。通信设备1会在子资源1上向通信设备3发送控制信息1，控制信息1会包括码本集合1发送给通信设备3，则通信设备3会根据码本集合1对在第二资源上接收到的数据进行解码得到数据1，通信设备2会在子资源2上向通信设备4发送控制信息2，控制信息2会包括码本集合2发送给通信设备4，则通信设备4会根据码本集合2对在第二资源上接收到的数据进行解码得到数据2，因此，数据1和数据2是在第二资源上以非正交的方式传输，由此提高了资源的使用效率。优选的，通信设备3或通信设备4在第二资源上先将数据缓存下来，即通信设备3与通信设备4在第二资源上收到的数据是相同的，通信设备3会根据码本集合1对在第二资源上接收到的数据进行解码以得到数据1，通信设备4会根据码本集合2对在第二资源上接收到的数据进行解码以得到数据2。
通过本申请实施例，第一通信设备在第一资源的第一子资源上向第二通信设备发送第一控制信息，所述第一控制信息包括第一码本集合，所述第一码本集合包含至少一个码本，所述第一通信设备根据所述第一码本集合在第二资源上向所述第二通信设备发送第一数据，第一通信设备采用第一码本集合以非正交接入的方式在第二数据上发送第一数据，第二资源还可以用于其他的通信设备发送数据，因此，提高了资源的利用效率。
在本申请所提供的几个实施例中，应该理解到，所揭露的***、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***，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。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元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全部或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(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。

Claims (20)

  1. 一种数据的发送方法，其特征在于，包括：
    第一通信设备在第一资源的第一子资源上向第二通信设备发送第一控制信息，所述第一资源包含n个子资源，n为大于或等于2的正整数，所述第一子资源为所述n个子资源中的一个资源，所述第一控制信息包括第一码本集合，所述第一码本集合包含至少一个码本；
    所述第一通信设备根据所述第一码本集合在第二资源上向所述第二通信设备发送第一数据。
  2. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    所述第一通信设备从网络设备接收第一调度信息，所述第一调度信息用于指示所述第一通信设备发送所述第一控制信息的资源以及所述第一通信设备发送所述第一数据所用的所述第一码本集合。
  3. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    所述第一通信设备在所述第一资源中选择所述第一子资源，所述第一子资源与所述第一码本集合具有预设的对应关系，所述第一通信设备根据所述第一子资源以及所述预设的对应关系获得所述第一码本集合。
  4. 根据权利要求1-3任意一项所述的方法，其特征在于，
    所述第一资源的第二子资源用于第三通信设备向第四通信设备发送第二控制信息，所述第二子资源为所述第一资源包含的n个子资源中除所述第一子资源外的一个子资源，所述第二控制信息包括第二码本集合，所述第二码本集合包含至少一个码本；
    所述第二资源还用于所述第三通信设备根据所述第二码本集合在所述第二资源上向第四通信设备发送第二数据。
  5. 根据权利要求1-4任意一项所述的方法，其特征在于，
    所述第一控制信息还包括第一指示信息，所述第一指示信息用于指示所述第一资源与所述第二资源为频分复用关系或为时分复用关系；或
    所述第二控制信息还包括第二指示信息，所述第二指示信息用于指示所述第一资源与所述第二资源为频分复用关系或为时分复用关系。
  6. 根据权利要求1-5任意一项所述的方法，其特征在于，
    所述第一控制信息与所述第二控制信息为正交传输，所述第一数据与所述第二数据为非正交传输。
  7. 一种第一通信设备，其特征在于，包括：
    发送单元，用于在第一资源的第一子资源上向第二通信设备发送第一控制信息，所述第一资源包含n个子资源，n为大于或等于2的正整数，所述第一子资源为所述n个子资源中的一个资源，所述第一控制信息包括第一码本集合，所述第一码本集合包含至少一个码本；
    所述发送单元，还用于根据所述第一码本集合在第二资源上向所述第二通信设备发送第一数据。
  8. 根据权利要求7所述的第一通信设备，其特征在于，所述第一通信设备还包括接收单元，
    所述接收单元，用于从网络设备接收第一调度信息，所述第一调度信息用于指示所述发送单元发送所述第一控制信息的资源以及所述发送单元发送所述第一数据所用的所述第一码本集合。
  9. 根据权利要求7所述的第一通信设备，其特征在于，所述第一通信设备还包括确定单元，
    所述确定单元，还用于在所述第一资源中选择所述第一子资源，所述第一子资源与所述第一码本集合具有预设的对应关系；
    所述确定单元，还用于根据所述第一子资源以及所述预设的对应关系获得所述第一码本集合。
  10. 根据权利要求7-9任意一项所述的第一通信设备，其特征在于，
    所述第一资源的第二子资源用于第三通信设备向第四通信设备发送第二控制信息，所述第二子资源为所述第一资源包含的n个子资源中除所述第一子资源外的一个子资源，所述第二控制信息包括第二码本集合，所述第二码本集合包含至少一个码本；
    所述第二资源还用于所述第三通信设备根据所述第二码本集合在所述第二资源上向第四通信设备发送第二数据。
  11. 根据权利要求7-10任意一项所述的第一通信设备，其特征在于，
    所述第一控制信息还包括第一指示信息，所述第一指示信息用于指示所述第一资源与所述第二资源为频分复用关系或为时分复用关系；或
    所述第二控制信息还包括第二指示信息，所述第二指示信息用于指示所述第一资源与所述第二资源为频分复用关系或为时分复用关系。
  12. 根据权利要求7-11任意一项所述的第一通信设备，其特征在于，
    所述第一控制信息与所述第二控制信息为正交传输，所述第一数据与所述第二数据为非正交传输。
  13. 一种数据的接收方法，其特征在于，包括：
    第二通信设备在第一资源的第一子资源上从第一通信设备接收第一控制信息，所述第一资源包含n个子资源，n为大于或等于2的正整数，所述第一子资源为所述n个子资源中的一个资源，所述第一控制信息包括第一码本集合，所述第一码本集合包含至少一个码本；
    所述第二通信设备根据所述第一码本集合在第二资源上从所述第一通信设备接收第一数据。
  14. 根据权利要求13所述的方法，其特征在于，
    所述第一资源的第二子资源用于第三通信设备向第四通信设备发送第二控制信息，所述第二子资源为所述第一资源包含的n个子资源中除所述第一子资源外的一个子资源，所述第二控制信息包括第二码本集合，所述第二码本集合包含至少一个码本；
    所述第二资源还用于所述第三通信设备根据所述第二码本集合在所述第二资源上向第四通信设备发送第二数据。
  15. 根据权利要求13-14任意一项所述的方法，其特征在于，
    所述第一控制信息还包括第一指示信息，所述第一指示信息用于指示所述第一资源与所述第二资源为频分复用关系或为时分复用关系；或
    所述第二控制信息还包括第二指示信息，所述第二指示信息用于指示所述第一资源 与所述第二资源为频分复用关系或为时分复用关系。
  16. 根据权利要求13-15任意一项所述的方法，其特征在于，
    所述第一控制信息与所述第二控制信息为正交传输，所述第一数据与所述第二数据为非正交传输。
  17. 一种第二通信设备，其特征在于，包括：
    接收单元，用于在第一资源的第一子资源上从第一通信设备接收第一控制信息，所述第一资源包含n个子资源，n为大于或等于2的正整数，所述第一子资源为所述n个子资源中的一个资源，所述第一控制信息包括第一码本集合，所述第一码本集合包含至少一个码本；
    所述接收单元，还用于根据所述第一码本集合在第二资源上从所述第一通信设备接收第一数据。
  18. 根据权利要求17所述的第二通信设备，其特征在于，
    所述第一资源的第二子资源用于第三通信设备向第四通信设备发送第二控制信息，所述第二子资源为所述第一资源包含的n个子资源中除所述第一子资源外的一个子资源，所述第二控制信息包括第二码本集合，所述第二码本集合包含至少一个码本；
    所述第二资源还用于所述第三通信设备根据所述第二码本集合在所述第二资源上向第四通信设备发送第二数据。
  19. 根据权利要求17-18任意一项所述的第二通信设备，其特征在于，
    所述第一控制信息还包括第一指示信息，所述第一指示信息用于指示所述第一资源与所述第二资源为频分复用关系或为时分复用关系；或
    所述第二控制信息还包括第二指示信息，所述第二指示信息用于指示所述第一资源与所述第二资源为频分复用关系或为时分复用关系。
  20. 根据权利要求17-19任意一项所述的第二通信设备，其特征在于，
    所述第一控制信息与所述第二控制信息为正交传输，所述第一数据与所述第二数据为非正交传输。
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