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WO2018177109A1 - Procédé et dispositif de transmission de données, terminal et support de stockage - Google Patents

Procédé et dispositif de transmission de données, terminal et support de stockage Download PDF

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Publication number
WO2018177109A1
WO2018177109A1 PCT/CN2018/078419 CN2018078419W WO2018177109A1 WO 2018177109 A1 WO2018177109 A1 WO 2018177109A1 CN 2018078419 W CN2018078419 W CN 2018078419W WO 2018177109 A1 WO2018177109 A1 WO 2018177109A1
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WIPO (PCT)
Prior art keywords
carrier
data
transmitted
information
control information
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Ceased
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PCT/CN2018/078419
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English (en)
Chinese (zh)
Inventor
陈杰
卢有雄
杨瑾
陈玉芹
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • 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

Definitions

  • the present invention relates to the field of communications, and in particular, to a data transmission method, apparatus, terminal, and storage medium.
  • the vehicle networking system refers to providing vehicle information through sensors, vehicle terminals, and electronic tags mounted on the vehicle, and adopts various communication technologies to realize V2V (Vehicle to Vehicle V2V) and Vehicle to Person V2P (Vehicle to Person, V2P), the interconnection between vehicles and infrastructure (V2I), and the effective use of information extraction and sharing on the information network platform, effective control of vehicles and provision of integrated services.
  • Vehicle networking can realize communication-based vehicle information notification and collision hazard warning. By using advanced wireless communication technology and next-generation information processing technology, real-time information interaction between vehicle, vehicle, and roadside infrastructure can be realized, and each other can be informed.
  • Status including vehicle position, speed, acceleration, driving path
  • learned road environment information collaboratively aware of road hazard conditions, timely providing a variety of collision warning information to prevent road traffic safety accidents, and become the current solution to road traffic safety issues A new idea.
  • FIG. 1 is a schematic diagram of a D2D communication structure according to the related art. As shown in FIG. 1, the base station 1, the terminal UE1, and the terminal UE2 have obvious differences.
  • the short-distance communication between the vehicle and the vehicle can apply the D2D communication mode, thereby saving the wireless spectrum resources and reducing the data transmission pressure of the core network.
  • the transmitting end UE only supports scheduling transmission of single carrier data on the sidelink link, but does not support for cross carrier scheduling.
  • the embodiments of the present invention are directed to providing a data transmission method, apparatus, terminal, and storage medium, so as to at least solve the problem that the cross-carrier scheduling on the sidelink cannot be implemented in the related art.
  • a data transmission method including:
  • the transmitting end sends the data to be transmitted on the multiple carriers on the side link, where the sending end sends at least the control information on the first carrier, and only sends the to-be-transmitted transmission on the second carrier in the second carrier set.
  • Data wherein the first carrier and the second carrier are carriers in the multiple carriers, and the control information is configured to indicate a location where the data to be transmitted is located.
  • control information that is sent on the first carrier includes at least one of the following: the indication information corresponding to the carrier where the data to be transmitted is located; and the indication information corresponding to the resource pool of the carrier where the data to be transmitted is located.
  • control information carries resource identification source ID information that is configured to indicate that the to-be-transmitted data is sent by the sending end, where the carrier aggregation sent by the sending end is on multiple carriers in the CA.
  • the data has the same resource ID Source ID information.
  • the location of the first carrier in the multiple carriers is determined by one of the following manners: pre-configured by the transmitting end; according to signaling indication of the base station; and the synchronization source selected by the transmitting end during the synchronization process Corresponding carrier; a carrier used by the serving cell where the sending end resides; selecting a sending resource pool list configured by the pre-configuration or base station and a carrier list corresponding to the sending resource pool list, according to the resource pool selection policy Sending a resource pool, determining that the carrier in which the resource pool is located is the first carrier, where the resource pool selection policy includes at least one of the following: randomly selecting, and calculating according to the identifier information of the sending end, according to the geographic location of the sending end The position is calculated and selected according to the type of sender.
  • control information on the first carrier includes: one centralized scheduling information or multiple independent scheduling information.
  • the multiple independent scheduling information is located on one Transmission Time Interval (TTI) or multiple transmission time intervals TTI.
  • TTI Transmission Time Interval
  • control information sent on the first carrier is a centralized scheduling information
  • the control information is configured to indicate data resource information of the to-be-transmitted data on all used carriers of the sending end.
  • each of the control information is configured to indicate data resource information of the to-be-transmitted data on a unique carrier.
  • the indication information corresponding to the carrier where the data is to be transmitted is the first number index of all available carriers on the edge link of the sending end, and the first of each available carrier is determined by one of the following manners. Number index: pre-configured; according to the signaling indication of the base station.
  • the indication information corresponding to the resource pool of the carrier where the data to be transmitted is located is a second number index of all the sending resource pools of the sending end on the carrier, and each of the foregoing manners is determined by using one of the following manners.
  • the second number index of the sending resource pool pre-configured; according to the signaling indication of the base station.
  • the indication information corresponding to the carrier where the data to be transmitted is located is a third number index of the sending resource pool of all the carriers on the sidelink of the sending end, where the determining is performed according to the third number index.
  • the carrier location used by the sending end and the configuration information of the sending resource pool used are determined by one of the following methods: a third number index of each of the sending resource pools: pre-configured; according to signaling indications of the base station.
  • the indication manner of the indication information included in the control information includes one of the following: a direct indication mode, where an indication field is added to the control information for indication, and an indirect indication mode, where the physical edge link on the first carrier is used. The corresponding relationship between the control channel resource location and the corresponding indicated carrier and/or resource pool is indicated.
  • the direct indication is used for the carrier location corresponding to the carrier where the data to be transmitted is located, and the indirect indication is used for the resource pool information of the carrier where the data to be transmitted is located; or, the data to be transmitted is used.
  • the indirect indication is used for the carrier location corresponding to the carrier, and the direct indication is used for the resource pool information of the carrier where the data to be transmitted is located.
  • a data transmission method including:
  • the receiving end receives the data to be transmitted on the multiple carriers on the sidelink by using the multi-carrier data transmission technology, where the receiving end acquires the to-be-transmitted transmission on the multiple carriers by the transmitting end according to the control information on the first carrier. Transmitting data, wherein the first carrier is a carrier of the multiple carriers, and the control information is configured to indicate a location where the data to be transmitted is located.
  • control information on the first carrier includes at least one of the following: the indication information corresponding to the carrier where the data to be transmitted is located; and the indication information corresponding to the resource pool of the carrier where the data to be transmitted is located.
  • a data transmission apparatus comprising: a determining module configured to determine to transmit data to be transmitted on a plurality of carriers on a side link; and a transmitting module configured to be Transmitting at least control information on a carrier, and transmitting only the data to be transmitted on a second carrier in the second carrier set, where the first carrier and the second carrier are carriers in the multiple carriers,
  • the control information is configured to indicate a location where the data to be transmitted is located.
  • control information that is sent on the first carrier includes at least one of the following: the indication information corresponding to the carrier where the data to be transmitted is located; and the indication information corresponding to the resource pool of the carrier where the data to be transmitted is located.
  • a data transmission apparatus including: a receiving module configured to receive data to be transmitted on a plurality of carriers on a sidelink; and an acquiring module configured to perform control according to the first carrier And the information about the to-be-transmitted data transmitted by the transmitting end on the multiple carriers, where the first carrier is a carrier of the multiple carriers, and the control information is configured to indicate that the data to be transmitted is located position.
  • control information on the first carrier includes at least one of the following: the indication information corresponding to the carrier where the data to be transmitted is located; and the indication information corresponding to the resource pool of the carrier where the data to be transmitted is located.
  • a terminal comprising: a first processor configured to determine to transmit data to be transmitted on a plurality of carriers on an edge link; the first transceiver configured to be in the first Transmitting at least control information on a carrier, and transmitting only the data to be transmitted on the second carrier in the second carrier set; wherein the first carrier and the second carrier are carriers in the multiple carriers,
  • the control information is configured to indicate a location where the data to be transmitted is located.
  • control information on the first carrier includes at least one of the following: the indication information corresponding to the carrier where the data to be transmitted is located; and the indication information corresponding to the resource pool of the carrier where the data to be transmitted is located.
  • a terminal comprising: a second transceiver configured to receive data to be transmitted on a plurality of carriers on a sidelink by a multi-carrier data transmission technology; a second processor, configured Obtaining, according to the control information on the first carrier, the to-be-transmitted data that is sent by the transmitting end on the multiple carriers, where the first carrier is a carrier in the multiple carriers, and the control information is configured as Indicates the location of the data to be transmitted.
  • control information on the first carrier includes at least one of the following: the indication information corresponding to the carrier where the data to be transmitted is located; and the indication information corresponding to the resource pool of the carrier where the data to be transmitted is located.
  • a storage medium including a stored program, wherein the program is executed to execute the above data transmission method.
  • a processor configured to execute a program, wherein the program executes the data transmission method described above.
  • the embodiment of the present disclosure further provides a data transmission apparatus, including:
  • a memory configured to save a tunnel authorization information processing program
  • a processor configured to execute the program, wherein the program executes the data transmission method described above.
  • the transmitting end sends the data to be transmitted on multiple carriers on the sidelink, where the sending end sends at least control information on the first carrier, where the control information is configured to indicate the location of the data to be transmitted, Only the to-be-transmitted data is transmitted on the second carrier in the two-carrier set.
  • the location of the carrier or the location of the resource pool where the data to be transmitted is located is indicated by the control information on the first carrier, which facilitates unified management of data to be transmitted on multiple second carriers, and is implemented on the sidelink.
  • Cross-carrier scheduling solves the problem that cross-carrier scheduling on sidelink cannot be implemented in related technologies.
  • FIG. 1 is a schematic diagram of a D2D communication structure according to the related art
  • FIG. 2 is a block diagram showing the hardware structure of a mobile terminal of a data transmission method according to an embodiment of the present disclosure
  • FIG. 3 is a flowchart of a data transmission method according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram of multi-carrier data transmission of a UE on a sidelink according to the related art
  • FIG. 5 is a schematic diagram of a frame structure of an LTE system according to the related art.
  • FIG. 6 is a schematic diagram of transmitting only one centralized scheduling control information on a first carrier according to cross-carrier scheduling communication according to Example 5 of the present disclosure
  • Example 7 is a schematic structural diagram of centralized scheduling side link control indication information SCI according to Example 5 of the present disclosure.
  • Example 8 is a schematic diagram of transmitting a plurality of independent control information on a first carrier when cross-carrier scheduling communication according to Example 5 of the present disclosure
  • FIG. 9 is a block diagram 1 of a structure of a data transmission device according to an embodiment of the present disclosure.
  • FIG. 10 is a block diagram 2 of a structure of a data transmission device according to an embodiment of the present disclosure.
  • a mobile communication network including but not limited to an LTE mobile communication network
  • the network architecture of the network may include a network side device (for example, a base station) and a terminal.
  • a data transmission method that can be run on the network architecture is provided. It is to be noted that the operating environment of the data transmission method provided in the embodiment of the present application is not limited to the foregoing network architecture.
  • FIG. 2 is a hardware structural block diagram of a terminal of a data transmission method according to an embodiment of the present disclosure.
  • terminal 20 may include one or more (only one shown) processor 202 (processor 202 may include, but is not limited to, a Microcontroller Unit (MCU) or a programmable logic device (Field).
  • MCU Microcontroller Unit
  • Field programmable logic device
  • a processing device such as a Programmable Gate Array (FPGA), a memory 204 configured to store data, and a transceiver 206 configured as a communication function.
  • FPGA Programmable Gate Array
  • FIG. 2 is merely illustrative and does not limit the structure of the above electronic device.
  • terminal 20 may also include more or fewer components than those shown in FIG. 2, or have a different configuration than that shown in FIG. 2.
  • the memory 204 can be configured as a software program and a module for storing application software, such as program instructions/modules corresponding to the data transfer method in the embodiment of the present disclosure, and the processor 202 executes each by executing a software program and a module stored in the memory 204.
  • a functional application and data processing, that is, the above method is implemented.
  • Memory 204 can include high speed random access memory and can also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • memory 204 can further include memory remotely located relative to processor 202, which can be connected to terminal 20 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • the transceiver 206 is configured to receive or transmit data via a network.
  • the network instance described above may include a wireless network provided by a communication provider of the terminal 20.
  • the transceiver 206 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
  • NIC Network Interface Controller
  • transceiver 206 can be a Radio Frequency (RF) module configured to communicate wirelessly with the Internet.
  • RF Radio Frequency
  • FIG. 3 is a flowchart of a data transmission method according to an embodiment of the present disclosure. As shown in FIG. 3, the flow includes the following steps:
  • Step S302 the transmitting end determines that the data to be transmitted is sent on multiple carriers on the side link by using a multi-carrier data transmission technology
  • Step S304 The transmitting end sends the to-be-transmitted data on multiple carriers on the side link, where the transmitting end sends at least control information on the first carrier, and only sends the second carrier in the second carrier set. Data to be transmitted.
  • first carrier and the second carrier in the foregoing embodiment are carriers in the multiple carriers, and the control information is configured to indicate a location where the data to be transmitted is located.
  • the sending end sends the to-be-transmitted data on the multiple carriers on the sidelink according to the base station signaling indication or the pre-configuration information, where the sending end sends at least the control information on the first carrier, where the control information is configured to indicate The location where the data to be transmitted is located, and only the data to be transmitted is sent on the second carrier in the second carrier set.
  • the location of the carrier or the location of the resource pool where the data to be transmitted is located is indicated by the control information on the first carrier, which facilitates unified management of data to be transmitted on multiple second carriers, and is implemented on the sidelink.
  • Cross-carrier scheduling solves the problem that cross-carrier scheduling on sidelink cannot be implemented in related technologies.
  • control information on the first carrier includes at least one of the following: indication information corresponding to the carrier where the data to be transmitted is located; and indication information corresponding to the resource pool of the carrier where the data to be transmitted is located.
  • control information carries resource identifier source ID information configured to indicate that the data to be transmitted is sent by the sending end, where multiple carriers in the carrier aggregation (CA) sent by the sending end The data on the carrier has the same Source ID information.
  • CA carrier aggregation
  • the location of the first carrier in the multiple carriers is determined by one of the following manners: the transmitter is pre-configured; according to the signaling indication of the base station; the synchronization source selected by the sender during the synchronization process corresponds to Carrier; the carrier used by the serving cell where the transmitting end resides; selecting a sending resource pool according to the resource pool selection policy from the pre-configured or base station configured transmission resource pool list and the carrier list corresponding to the sending resource pool list
  • the carrier of the resource pool is determined to be the first carrier, where the resource pool selection policy includes at least one of the following: randomly selected, calculated according to the identifier information of the sender, calculated according to the geographic location of the sender, according to the sender Type selection.
  • control information on the first carrier includes: one centralized scheduling information or multiple independent scheduling information.
  • the multiple independent scheduling information when multiple pieces of the independent scheduling information are sent on the first carrier, the multiple independent scheduling information is located on one transmission time interval or multiple transmission time intervals.
  • control information on the first carrier is a centralized scheduling information
  • the control information includes: data resource information of the to-be-transmitted data on all used carriers of the transmitting end.
  • each of the control information on the first carrier is multiple independent scheduling information
  • each of the control information is configured to indicate data resource information of the to-be-transmitted data on a unique carrier.
  • the first carrier may also send data to be transmitted, that is, the plurality of independent scheduling information may indicate data resource information of the to-be-transmitted data on the first carrier and/or the second carrier.
  • the indication information corresponding to the carrier where the data to be transmitted is located is a first number index of all available carriers of the sending end on the sidelink, and the first number index of each available carrier is determined by one of the following manners. : Pre-configured; according to the signaling indication of the base station.
  • the indication information corresponding to the resource pool of the carrier where the data to be transmitted is located is a second number index of all the sending resource pools of the sending end on the carrier, and each of the sending resources is determined by one of the following manners.
  • the second number index of the pool pre-configured; according to the signaling indication of the base station.
  • the indication information corresponding to the carrier where the data to be transmitted is located is a third number index of the sending resource pool of all the carriers on the sidelink of the sending end, wherein the sending end is determined according to the third number index.
  • the carrier location used and the information of the used transmission resource pool are determined by one of the following methods: a third number index of each of the sending resource pools: pre-configured; according to signaling indications of the base station.
  • the indication manner of the indication information included in the control information includes one of the following: adding an indication field to the control information for direct indication, which may be referred to as a direct indication manner; and passing the PSCCH resource location on the first carrier
  • the indirect indication is corresponding to the corresponding relationship between the indicated carrier and/or the resource pool, and may be referred to as an indirect indication manner.
  • the carrier location corresponding to the carrier where the data to be transmitted is directly indicated, and the resource pool information indicating the carrier where the data to be transmitted is located is indirectly indicated; or the carrier corresponding to the data to be transmitted is corresponding to the carrier.
  • the carrier location is indirectly indicated, and the resource pool information of the carrier where the data to be transmitted is located is directly indicated.
  • a data transmission method which may be configured as a receiving end, the method comprising:
  • the receiving end receives the data to be transmitted on the multiple carriers on the sidelink by using the multi-carrier data transmission technology, wherein the receiving end acquires the to-be-transmitted data transmitted by the transmitting end on the multiple carriers according to the control information on the first carrier,
  • the first carrier is a carrier in the multiple carriers, and the control information is configured to indicate a location where the data to be transmitted is located.
  • control information on the first carrier includes at least one of the following: indication information corresponding to the carrier where the data to be transmitted is located; and indication information corresponding to the resource pool of the carrier where the data to be transmitted is located.
  • the first carrier refers to a carrier that transmits control information on a sidelink link
  • the second carrier set refers to a set of all available carriers except the first carrier on the sidelink link, and The UE transmits only data on the second carrier.
  • FIG. 4 is a schematic diagram of multi-carrier data transmission of the UE on the sidelink according to the related art, as shown in FIG. 4, the TX UE indicates The transmitting end UE, the RX UE represents the receiving end UE.
  • the UE may select a physical sidelink control channel (PSCCH) and a PSSCH resource for data transmission on the sidelink link, but for a larger Data services often require more bandwidth support.
  • PSCCH physical sidelink control channel
  • the sender may need to aggregate multiple carriers to simultaneously transmit data to meet the needs of new services. The amount of data and the requirement for low latency.
  • the current protocol determines that the transmitting UE only supports scheduling transmission of single carrier data on the sidelink link, but does not support cross-carrier scheduling.
  • the network side includes one or more of the following entities: an Evolved NodeB (eNB), a Relay Node (RN), a Multi-cell Coordination Entity (MCE), and a Gateway (GW). Mobility Management Entity (MME), Evolved Universal Terrestrial Radio Access Network (EUTRAN) Operation Administration and Maintenance (OAM) Manager, eNB
  • eNB Evolved NodeB
  • RN Relay Node
  • MCE Multi-cell Coordination Entity
  • GW Gateway
  • EUTRAN Evolved Universal Terrestrial Radio Access Network
  • OAM Operation Administration and Maintenance
  • the radio resources of the terminal UE are uniformly controlled and scheduled by the evolved NodeB (eNB), and the eNB indicates the downlink or uplink resources configured by the UE, and the UE receives the corresponding downlink resources according to the configuration indication of the eNB.
  • the data signal transmitted by the eNB or the signal is transmitted to the eNB on the uplink resource.
  • the radio resources divide resources in units of radio frames in the time domain.
  • FIG. 5 is a schematic diagram of a frame structure of an LTE system according to the related art. As shown in FIG. 5, each radio frame is 10 ms, and includes 10 sub- Frame, each sub-frame is 1ms, divided into 2 slot slots of 0.5ms.
  • each subframe contains 14 Single-Carrier Frequency Division Multiple Access (SC-FDMA) symbols or orthogonal frequencies. Orthogonal Frequency Division Multiplexing (OFDM) symbols, including 7 symbols on each slot.
  • SC-FDMA Single-Carrier Frequency Division Multiple Access
  • OFDM Orthogonal Frequency Division Multiplexing
  • each subframe contains 12 symbols, and each slot includes 6 symbols.
  • resources are divided in units of subcarriers, each of which contains 15 kHz or 7.5 kHz resources.
  • the minimum unit of the eNB scheduling the time-frequency resource for the UE is a resource block (Resource Block, RB), and the RB is defined as 1 slot in the time domain and continuous in the frequency domain.
  • a system uplink subframe is used as a physical side link shared channel (PSSCH) subframe, and is configured to transmit D2D data.
  • the D2D sender indicates the PSSCH resource used in the side link (ie, D2D link) Control Information (SCI).
  • SCI Control Information
  • the V2V system can use the D2D communication scheme, that is, the SCI information is used to indicate the corresponding data channel resource configuration, and the V2V data information is transmitted on the corresponding data channel resource.
  • the protocol has determined that V2V uses the in-vehicle sensing device sensing on the sidelink link to select the appropriate time-frequency resource to send data information.
  • the sender can use up to two carriers. These settings can basically meet the transmission of traditional basic security services. However, for new V2X services in some scenarios, a larger data rate may be required, and a lower delay can guarantee. The effective transmission of data information.
  • carrier aggregation technology is a technology to solve the problem.
  • the receiving end has to blindly check the control information, and then demodulate the data information indicated by the receiving control information according to the control information.
  • the control information corresponding to the data information sent on all carriers may be sent on the carrier of the same sidelink link.
  • control information SCI of the V2X on the sidelink specified by the current protocol in the related art is:
  • the SCI can only indicate the data resource information of the current carrier, that is, the transmitting end only supports single-carrier data transmission, and does not have the capability of cross-carrier scheduling.
  • the carrier that transmits the control information may be regarded as the first carrier of the transmitting end, and the carrier that only transmits the data is regarded as the second carrier of the transmitting end, and further, the receiving end does not have the data when receiving the data on the second carrier.
  • the resource pool information on the carrier Therefore, the control information on the first carrier is not only capable of indicating the information of the second carrier transmitting the data, but also indicating that the resource pool information is sent on the second carrier.
  • the present embodiment may perform numbering indexing on all available carriers of the UE, and may also perform numbering indexing on the sending resource pools on the respective carriers.
  • the indication information may be an indication of display, or may be an implicit correspondence mapping indication, so that the receiving end can effectively perform the indication information.
  • the transmitting end since the transmitting end performs data transmission on multiple carriers, the receiving end needs to identify which data is sent by which transmitting ends, so that the receiving end can perform data selection, combining, and the like processing at the physical layer or the upper layer. Need to mark which data is sent by which sender. Similarly, the transmitting end may continue to increase the identification of the information configured as the receiving end in the control information.
  • Implementation method 1 Add indicator bits in the control information, and explicitly (direct) indicate carrier and resource pool information.
  • the transmitting end sends data on a certain second carrier, and the UE selects the PSCCH resource on the first carrier to send the control information SCI corresponding to the data on the second carrier, and assumes that all carrier numbers available to the UE are carrier 1, carrier 2, ..., For carrier k, the k carriers are numbered, and log2(k) is rounded up to k', then the k'bit information can be used to indicate the k carriers correspondingly;
  • the sending resource pool on a certain carrier is resource pool 1, resource pool 2, ..., resource pool n
  • the n resource pools are also numbered, and log2(n) is rounded up to n'.
  • the n'bit information can be used to indicate the n resource pools correspondingly;
  • the resource pool used on the second carrier is the same resource pool as that used on the first carrier, the n'bit overhead can be saved compared with the example 1.
  • the transmitting end sends data on a certain second carrier, and the UE selects the PSCCH resource on the first carrier to send the control information SCI corresponding to the data on the second carrier, and assumes that the number of all carriers available to the UE is k.
  • the transmission resource pool data on the first carrier is n1
  • the number of resource pools on the second carrier is n2, ...
  • the number of transmission resource pools on the kth carrier is nk
  • N'bit information needs to be added to each control information to perform carrier indication and resource pool indication.
  • the transmitting end selects the first carrier and the second carrier according to the base station signaling or the pre-configuration information, and the sending UE selects the PSCCH resource sending control indication information on the first carrier, where the control indication information includes the data resource indication on all the carriers. information.
  • all k carriers available to the UE are numbered, and the numbered carriers are sorted, for example, number 0 represents the first carrier, and number 1 represents the carrier 1 in the second carrier, and the second representative represents Carrier 2 and so on in the two carriers.
  • the default carrier aggregation has a certain order, for example, when carrier 0 and carrier 2 are used together, the indicated carrier sequence is considered to be from small to large according to the carrier number, then the possible types of all carriers used by the UE are One
  • the possible types of all carriers used by the UE are One
  • J cases can be numbered and indexed, and rounded up to J' using log2(J), then the information of the J'bit can be used to make one-to-one correspondence with the use of the carrier;
  • the bit information may indicate a resource pool used by the transmitting UE on each carrier.
  • FIG. 6 is a schematic diagram of transmitting only one centralized scheduling control information on the first carrier according to the cross-carrier scheduling communication according to the fifth embodiment of the present disclosure, as shown in FIG. 6.
  • data0, data1, and the like represent respective data
  • the transmitting UE selects a PSCCH resource on the first carrier to send a centralized control indication information SCI, where the control indication information includes independent scheduling data resource control indication information on all used carriers.
  • SCI includes carrier indication information and resource pool indication information.
  • the centralized control indicates that the independent control indication in the SCI indicates that the corresponding data is transmitted on the carrier location corresponding to the SCI.
  • FIG. 7 is a schematic structural diagram of centralized scheduling side link control indication information SCI according to Example 5 of the present disclosure.
  • Example 8 is a schematic diagram of transmitting a plurality of independent control information on a first carrier when performing cross-carrier scheduling communication according to Example 5 of the present disclosure. As shown in FIG. 8, the transmitting end transmits a plurality of control indication information SCI on the first carrier, each of which The SCI includes carrier indication information or resource pool indication information of one carrier.
  • the transmitting end selects the first carrier and the second carrier according to the base station signaling or the pre-configuration information, and the transmitting UE selects one resource location transmission control indication information on the first carrier, where the control indication information includes data on all carriers.
  • Resource indication information Similar to Example 4, if it is assumed that the transmission resource pool configuration on each carrier is the same by default, then we reduce the n'bit information configured to indicate resource pool information on each carrier as compared with Example 4.
  • the receiver can effectively identify the message from one sender on multiple carriers.
  • the indication information related to the transmission source is added to the SCI on the first carrier, so that the receiving UE can determine whether to receive the packets or the like through the source information in the SCI.
  • Embodiment 2 The PSCCH resource on the first carrier and the corresponding indicated carrier and/or resource pool are implicitly corresponding
  • the transmitting end sends data on a certain carrier, and the UE selects the PSCCH resource on the first carrier to send the control information SCI corresponding to the data on the second carrier, and assumes that all the carrier numbers available to the UE are carrier 1, carrier 2, ..., carrier. k a total of k carriers, the PSCCH on the first carrier is corresponding to each carrier position according to a certain correspondence relationship, for example, there are m PSCCH resources (m is greater than or equal to k), then the correspondence between the PSCCH resources and the carrier position can be set.
  • the mod(k,m) value is the corresponding subcarrier position.
  • the sending resource pool on a certain carrier is resource pool 1, resource pool 2, ..., resource pool n, and the n resource pools are also numbered, and log2(n) is rounded up to n', then The n'bit information can be used to indicate the n resource pools correspondingly;
  • the resource information indication information of n'bit needs to be added in the control information to perform the carrier indirect indication and the resource pool direct indication.
  • the transmitting end sends data on a certain carrier, and the UE selects the PSCCH resource on the first carrier to send the control information SCI corresponding to the data on the second carrier, and assumes that all carriers available to the UE assume that all carriers available to the UE are carrier 1, carrier 2 , ..., carrier k, then the k carriers are numbered, and log2(k) is rounded up to k', then the k'bit information can be used to indicate the k carriers correspondingly;
  • the resource pool indication information of k'bit needs to be added in the control information to perform direct carrier indication and resource pool indirect indication.
  • the terminal described in this embodiment may be the terminal described in FIG. 2, and may have a structure of a processor, a transceiver, and a memory.
  • a terminal which is a transmitting end, includes: a first processor, configured to determine to send data to be transmitted on multiple carriers on an edge link; a first transceiver, Configuring to transmit at least control information on the first carrier, and transmitting only the data to be transmitted on the second carrier in the second carrier set; wherein the first carrier and the second carrier are carriers in the multiple carriers,
  • the control information is configured to indicate the location of the data to be transmitted.
  • control information on the first carrier includes at least one of the following: indication information corresponding to the carrier where the data to be transmitted is located; and indication information corresponding to the resource pool of the carrier where the data to be transmitted is located.
  • a terminal comprising: a second transceiver, configured to receive data to be transmitted on multiple carriers on a sidelink by using a multi-carrier data transmission technology;
  • the processor is configured to acquire, according to the control information on the first carrier, the to-be-transmitted data transmitted by the transmitting end on the multiple carriers, where the first carrier is a carrier in the multiple carriers, and the control information is configured to indicate The location where the data to be transmitted is located.
  • control information on the first carrier includes at least one of the following: indication information corresponding to the carrier where the data to be transmitted is located; and indication information corresponding to the resource pool of the carrier where the data to be transmitted is located.
  • FIG. 9 is a structural block diagram 1 of a data transmission apparatus according to an embodiment of the present disclosure. As shown in FIG. 9, the apparatus includes:
  • a determining module 92 configured to determine to send data to be transmitted on multiple carriers on the side link sidelink;
  • the sending module 94 is connected to the determining module 92, configured to send at least control information on the first carrier, and send only the data to be transmitted on the second carrier in the second carrier set, where the first carrier and the first The two carriers are carriers in the multiple carriers, and the control information is configured to indicate a location where the data to be transmitted is located.
  • the apparatus may be configured as a transmitting UE.
  • control information sent on the first carrier includes at least one of the following: indication information corresponding to the carrier where the data to be transmitted is located; and indication information corresponding to the resource pool of the carrier where the data to be transmitted is located.
  • FIG. 10 is a structural block diagram 2 of a data transmission apparatus according to an embodiment of the present disclosure. As shown in FIG. 10, the apparatus includes:
  • the receiving module 102 is configured to receive data to be transmitted on multiple carriers on the sidelink;
  • the obtaining module 104 is connected to the receiving module 102, and configured to acquire, according to the control information on the first carrier, the to-be-transmitted data transmitted by the transmitting end on the multiple carriers, where the first carrier is in the multiple carriers.
  • the carrier, the control information is configured to indicate a location where the data to be transmitted is located.
  • the apparatus may be configured as a receiving UE.
  • control information on the first carrier includes at least one of the following: indication information corresponding to the carrier where the data to be transmitted is located; and indication information corresponding to the resource pool of the carrier where the data to be transmitted is located.
  • a storage medium comprising a stored program, wherein the program is executed to execute the data transmission method described in the above alternative embodiment.
  • a processor configured to execute a program, wherein the program is executed to execute the data transfer method described in the above alternative embodiment.
  • the embodiment of the present disclosure further provides a data transmission apparatus, including:
  • a memory configured to save a tunnel authorization information processing program
  • a processor configured to execute the program, wherein the program executes while:
  • Transmitting data to be transmitted on multiple carriers on the edge link where the transmitting end transmits at least control information on the first carrier, and only sends the to-be-transmitted data on the second carrier in the second carrier set
  • the first carrier and the second carrier are carriers in the multiple carriers, and the control information is configured to indicate a location where the data to be transmitted is located.
  • the embodiment of the present disclosure further provides a data transmission apparatus, including:
  • a memory configured to save a tunnel authorization information processing program
  • a processor configured to execute the program, wherein the program executes while:
  • the data to be transmitted is received on the multiple carriers on the side link, where the receiving end acquires the data to be transmitted transmitted by the transmitting end on the multiple carriers according to the control information on the first carrier, where
  • the first carrier is a carrier of the multiple carriers, and the control information is configured to indicate a location where the data to be transmitted is located.
  • modules or steps of the present disclosure described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices.
  • they may be implemented by program code executable by the computing device, such that they may be stored in the storage device for execution by the computing device, and in some cases may be performed in a different order than that illustrated herein.
  • the disclosure is not limited to any specific combination of hardware and software.
  • the sending end sends the data to be transmitted on the multiple carriers on the sidelink, where the sending end sends at least the control information on the first carrier, where the control information is configured to indicate the location of the data to be transmitted, where Only the data to be transmitted is transmitted on the second carrier in the second carrier set.
  • the location of the carrier or the location of the resource pool where the data to be transmitted is located is indicated by the control information on the first carrier, which facilitates unified management of data to be transmitted on multiple second carriers, and is implemented on the sidelink.
  • Cross-carrier scheduling solves the problem that cross-carrier scheduling on sidelink cannot be implemented in related technologies.

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

Abstract

La présente invention concerne un procédé et un dispositif de transmission de données, un terminal et un support de stockage. Le procédé comprend les étapes suivantes : une extrémité d'envoi envoie, sur une pluralité de porteuses sur une liaison latérale, des données à transmettre, l'extrémité d'envoi envoie au moins des informations de commande sur une première porteuse, les informations de commande étant configurées pour indiquer la position des données à transmettre, et envoyer uniquement, sur une seconde porteuse d'un second ensemble de porteuses, les données à transmettre. La solution technique ci-dessus indique, au moyen des informations de commande sur la première porteuse, la position de la porteuse sur laquelle les données à transmettre sont situées ou la position d'un groupe de ressources, permettant la gestion uniforme des données à transmettre sur une pluralité de secondes porteuses, réalisant une planification inter-porteuse sur la liaison latérale, résolvant le problème dans l'état de la technique associé selon lequel la planification inter-porteuses sur la liaison latérale ne peut pas être réalisée.
PCT/CN2018/078419 2017-03-28 2018-03-08 Procédé et dispositif de transmission de données, terminal et support de stockage Ceased WO2018177109A1 (fr)

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WO2021238786A1 (fr) * 2020-05-25 2021-12-02 华为技术有限公司 Procédé de communication sans fil, support et système
CN114363978A (zh) * 2020-10-12 2022-04-15 北京紫光展锐通信技术有限公司 载波切换方法、管理节点、终端节点及存储介质
WO2023060565A1 (fr) * 2021-10-15 2023-04-20 Lenovo (Beijing) Limited Procédés et appareils de transmission de liaison latérale
WO2024031463A1 (fr) * 2022-08-10 2024-02-15 Oppo广东移动通信有限公司 Procédé et appareil de communication sl, dispositif, support de stockage et produit programme

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