WO2020078232A1 - Procédé et terminal de planification de ressources pour une liaison de communication directe, et dispositif côté réseau - Google Patents

Procédé et terminal de planification de ressources pour une liaison de communication directe, et dispositif côté réseau Download PDF

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Publication number
WO2020078232A1
WO2020078232A1 PCT/CN2019/110071 CN2019110071W WO2020078232A1 WO 2020078232 A1 WO2020078232 A1 WO 2020078232A1 CN 2019110071 W CN2019110071 W CN 2019110071W WO 2020078232 A1 WO2020078232 A1 WO 2020078232A1
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Prior art keywords
direct communication
communication link
data transmission
resource
terminal
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PCT/CN2019/110071
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English (en)
Chinese (zh)
Inventor
赵亚利
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电信科学技术研究院有限公司
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Publication of WO2020078232A1 publication Critical patent/WO2020078232A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • 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
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1221—Wireless traffic scheduling based on age of data to be sent
    • 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
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast

Definitions

  • the present disclosure relates to the field of vehicle networking technology, and in particular, to a resource scheduling method for a direct communication link, a terminal, and a network-side device.
  • V represents a vehicle
  • X represents a variety of entities, including, for example: vehicle-to-vehicle (V2V), vehicle-to-pedestrian (Vehicle-to-Pedestrian, V2P), vehicle-to-infrastructure (V2I) and vehicle-to-network (V2N), etc.
  • V2V vehicle-to-vehicle
  • V2P vehicle-to-pedestrian
  • V2I vehicle-to-infrastructure
  • V2N vehicle-to-network
  • LTE Long-Term Evolution
  • V2X vehicle-to-X
  • HARQ Hybrid Automatic Repeat Request
  • the purpose of the present disclosure is to provide a resource scheduling method for a direct communication link, a terminal, and a network-side device, which can separate unicast and multicast / broadcast resources of the direct communication link to ensure the smooth progress of HARQ feedback.
  • An embodiment of the present disclosure provides a resource scheduling method for a direct communication link, which is applied to a terminal.
  • the method includes:
  • the data transmission method is unicast, multicast or broadcast; or the data transmission method is unicast or multicast, where multicast includes multicast and broadcast.
  • the resource scheduling method of the direct communication link wherein the data transmission mode corresponding to the resource allocated to the terminal indicated by the network side device and corresponding to the terminal includes:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the resource scheduling method of the direct communication link wherein the acquiring network side device corresponds to the resource indicated by the direct communication link when allocating resources for the direct communication link of the terminal Data transmission methods include:
  • the data transmission mode corresponding to the resources allocated for the direct communication link is indicated through resource scheduling signaling.
  • the data transmission mode corresponding to the resource allocated to the direct communication link indicated by the resource scheduling signaling includes:
  • the resource scheduling method of the direct communication link wherein the method further includes:
  • the resource scheduling method of the direct communication link wherein the method further includes:
  • the data transmission mode corresponding to the resource allocated to the direct communication link indicated by the resource scheduling signaling includes:
  • the type indication information carried in the resource scheduling signaling indicates the data transmission mode corresponding to the resource allocated to the direct communication link; the different content of the type indication information carried therein is used to indicate different data transmission modes.
  • the resource scheduling method of the direct communication link wherein the acquiring network side device corresponds to the resource indicated by the direct communication link when allocating resources for the direct communication link of the terminal Data transmission methods include:
  • the type indication information carried in the physical downlink shared channel PDSCH scheduled by the SL-RNTI indicates the data transmission mode corresponding to the resource allocated for the direct communication link; the type indication information carried therein
  • the different contents are used to indicate different data transmission methods.
  • the resource scheduling method of the direct communication link wherein the acquiring network side device corresponds to the resource indicated by the direct communication link when allocating resources for the direct communication link of the terminal Data transmission methods include:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the resource scheduling method of the direct communication link wherein the method further includes:
  • the resource scheduling method of the direct communication link wherein the method further includes:
  • the resource scheduling method of the direct communication link wherein the acquiring network side device corresponds to the resource indicated by the direct communication link when allocating resources for the direct communication link of the terminal Data transmission methods include:
  • the resource scheduling method of the direct communication link wherein the acquiring network side device corresponds to the resource indicated by the direct communication link when allocating resources for the direct communication link of the terminal Data transmission methods include:
  • the resource scheduling method of the direct communication link wherein the acquiring network side device corresponds to the resource indicated by the direct communication link when allocating resources for the direct communication link of the terminal Data transmission methods include:
  • the resource scheduling method of the direct communication link wherein the method further includes:
  • the resource scheduling method of the direct communication link wherein the method further includes:
  • the resource scheduling method of the direct communication link wherein the method further includes:
  • the resource scheduling method of the direct communication link wherein the data transmission mode corresponding to the resource allocated to the terminal indicated by the network side device and corresponding to the terminal includes:
  • the network-side device indicates the data transmission mode corresponding to the configured resource pool
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • An embodiment of the present disclosure also provides a resource scheduling method for a direct communication link, which is applied to a network-side device, where the method includes:
  • the data transmission mode Indicates the data transmission mode corresponding to the resource allocated to the terminal for the direct communication link, wherein the data transmission mode is unicast, multicast or broadcast; or the data transmission mode is unicast or multicast, in which multicast Including multicast and broadcast.
  • the data transmission mode corresponding to the resource allocated for the direct communication link by the terminal includes:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the data transmission method corresponding to the allocation of resources for the direct communication link includes:
  • the data scheduling mode corresponding to allocating resources for the direct communication link is indicated through resource scheduling signaling.
  • the resource scheduling method of the direct communication link wherein the data transmission mode corresponding to the allocation of resources for the direct communication link through the resource scheduling signaling includes:
  • the resource scheduling method of the direct communication link wherein the method further includes:
  • the direct communication target end to which the resource allocated for the direct communication link is applied is indicated by the SL-RNTI in the resource scheduling signaling instruction; wherein, the direct communication target end to which the application indicated by different SL-RNTIs are different.
  • the resource scheduling method of the direct communication link wherein the method further includes:
  • At least two SL-RNTIs are pre-configured for the terminal.
  • the resource scheduling method of the direct communication link wherein the data transmission mode corresponding to the allocation of resources for the direct communication link through the resource scheduling signaling includes:
  • the type indication information carried in the resource scheduling signaling indicates a data transmission mode corresponding to allocating resources for the direct communication link; different contents of the type indication information carried therein are used to indicate different data transmission modes.
  • the data transmission method corresponding to the resource allocation for the direct communication link includes:
  • the type indication information carried in the physical downlink shared channel PDSCH scheduled by SL-RNTI indicates the data transmission method corresponding to the allocation of resources for the direct communication link; the different content of the type indication information carried therein is used to To indicate different data transmission methods.
  • the data transmission mode corresponding to the resource allocated for the direct communication link by the terminal includes:
  • the specific resource allocation is used to indicate the data transmission mode corresponding to allocating resources for the direct communication link; among them, it is necessary to pre-configure the correspondence between different time / frequency resources and data transmission modes relationship;
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the resource scheduling method of the direct communication link wherein the method further includes:
  • the direct communication target terminal to which the resource allocated for the direct communication link is applied is indicated by the communication target indication information carried in the resource scheduling signaling; wherein, the direct communication target terminal of the application indicated by different communication target indication information is different.
  • the resource scheduling method of the direct communication link wherein the method further includes:
  • the communication target indication information carried in the PDSCH indicated by the resource scheduling signaling indicates the direct communication target end to which the resource allocated for the direct communication link is applied; wherein, the direct communication target ends indicated by different communication target indication information are different .
  • the data transmission method corresponding to the allocation of resources for the direct communication link includes:
  • the type signaling information is carried in the semi-persistent scheduling configuration signaling to indicate the data transmission mode corresponding to the semi-persistent scheduling configuration resource.
  • the data transmission method corresponding to the allocation of resources for the direct communication link includes:
  • the activation signaling of the physical downlink control channel PDCCH corresponding to the semi-persistent scheduling carries type indication information to indicate the data transmission mode corresponding to the configuration resources of the semi-persistent scheduling.
  • the data transmission method corresponding to the allocation of resources for the direct communication link includes:
  • the specific resource allocated in the semi-persistently scheduled configuration PDCCH activation signaling indicates the data transmission mode corresponding to the semi-persistently scheduled configuration resource; different time / frequency resources and data transmission need to be pre-configured Correspondence of ways.
  • the resource scheduling method of the direct communication link wherein the method further includes:
  • the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied is indicated by the communication target indication information carried in the configuration signaling of the semi-persistent scheduling.
  • the resource scheduling method of the direct communication link wherein the method further includes:
  • the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied is indicated by the communication target indication information carried in the PDCCH activation signaling corresponding to the semi-persistent scheduling.
  • the resource scheduling method of the direct communication link wherein the method further includes:
  • the communication target indication information carried in the PDSCH indicated by the PDCCH activation signaling corresponding to the semi-persistent scheduling indicates the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied.
  • the data transmission mode corresponding to the resource allocated for the direct communication link by the terminal includes:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • An embodiment of the present disclosure also provides a terminal, including: a memory, a processor, and a program stored on the memory and executable on the processor; wherein, when the processor executes the program, the following steps are implemented:
  • the data transmission method is unicast, multicast or broadcast; or the data transmission method is unicast or multicast, where multicast includes multicast and broadcast.
  • the processor acquires the data transmission mode corresponding to the resource allocated to the terminal for direct communication link indicated by the network-side device includes:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the terminal wherein the processor acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • the data transmission mode corresponding to the resources allocated for the direct communication link is indicated through resource scheduling signaling.
  • the terminal wherein the processor indicates, through resource scheduling signaling, that the data transmission mode corresponding to the resource allocated to the direct communication link includes:
  • the processor is further used to:
  • the processor is used to:
  • the terminal wherein the processor indicates, through resource scheduling signaling, that the data transmission mode corresponding to the resource allocated to the direct communication link includes:
  • the type indication information carried in the resource scheduling signaling indicates the data transmission mode corresponding to the resource allocated to the direct communication link; the different content of the type indication information carried therein is used to indicate different data transmission modes.
  • the terminal wherein the processor acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • the type indication information carried in the physical downlink shared channel PDSCH scheduled by the SL-RNTI indicates the data transmission mode corresponding to the resource allocated for the direct communication link; the type indication information carried therein
  • the different contents are used to indicate different data transmission methods.
  • the processor acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the processor is further used to:
  • the processor is further used to:
  • the terminal wherein the processor acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • the terminal wherein the processor acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • the terminal wherein the processor acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • the processor is further used to:
  • the processor is further used to:
  • the processor is further used to:
  • the processor acquires the data transmission mode corresponding to the resource allocated to the terminal for direct communication link indicated by the network-side device includes:
  • the network-side device indicates the data transmission mode corresponding to the configured resource pool
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • An embodiment of the present disclosure also provides a network-side device, including: a memory, a processor, and a program stored on the memory and executable on the processor; wherein, when the processor executes the program, the following is realized step:
  • the data transmission mode Indicates the data transmission mode corresponding to the resource allocated to the terminal for the direct communication link, wherein the data transmission mode is unicast, multicast or broadcast; or the data transmission mode is unicast or multicast, in which multicast Including multicast and broadcast.
  • the data transmission mode corresponding to the resource allocated for the terminal for the direct communication link by the processor includes:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the processor indicates that the data transmission mode corresponding to allocating resources for the direct communication link includes:
  • the data scheduling mode corresponding to allocating resources for the direct communication link is indicated through resource scheduling signaling.
  • the network side device wherein the processor indicates, through resource scheduling signaling, that the data transmission mode corresponding to allocating resources for the direct communication link includes:
  • the processor is further used to:
  • the direct communication target end to which the resource allocated for the direct communication link is applied is indicated by the SL-RNTI in the resource scheduling signaling instruction; wherein, the direct communication target end to which the application indicated by different SL-RNTIs are different.
  • the processor is further used to:
  • At least two SL-RNTIs are pre-configured for the terminal.
  • the network side device wherein the processor indicates, through resource scheduling signaling, that the data transmission mode corresponding to allocating resources for the direct communication link includes:
  • the type indication information carried in the resource scheduling signaling indicates a data transmission mode corresponding to allocating resources for the direct communication link; different contents of the type indication information carried therein are used to indicate different data transmission modes.
  • the network-side device wherein the data transmission mode corresponding to the processor instructing to allocate resources for the direct communication link includes:
  • the type indication information carried in the physical downlink shared channel PDSCH scheduled by SL-RNTI indicates the data transmission method corresponding to the allocation of resources for the direct communication link; the different content of the type indication information carried therein is used to To indicate different data transmission methods.
  • the data transmission mode corresponding to the resource allocated for the terminal for the direct communication link by the processor includes:
  • the specific resource allocation is used to indicate the data transmission mode corresponding to allocating resources for the direct communication link; among them, it is necessary to pre-configure the correspondence between different time / frequency resources and data transmission modes relationship;
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the processor is further used to:
  • the direct communication target terminal to which the resource allocated for the direct communication link is applied is indicated by the communication target indication information carried in the resource scheduling signaling; wherein, the direct communication target terminal of the application indicated by different communication target indication information is different.
  • the processor is further used to:
  • the communication target indication information carried in the PDSCH indicated by the resource scheduling signaling indicates the direct communication target end to which the resource allocated for the direct communication link is applied; wherein, the direct communication target ends indicated by different communication target indication information are different .
  • the network-side device wherein the data transmission mode corresponding to the processor instructing to allocate resources for the direct communication link includes:
  • the type signaling information is carried in the semi-persistent scheduling configuration signaling to indicate the data transmission mode corresponding to the semi-persistent scheduling configuration resource.
  • the network-side device wherein the data transmission mode corresponding to the processor instructing to allocate resources for the direct communication link includes:
  • the activation signaling of the physical downlink control channel PDCCH corresponding to the semi-persistent scheduling carries type indication information to indicate the data transmission mode corresponding to the configuration resources of the semi-persistent scheduling.
  • the network-side device wherein the data transmission mode corresponding to the processor instructing to allocate resources for the direct communication link includes:
  • the specific resource allocated in the semi-persistently scheduled configuration PDCCH activation signaling indicates the data transmission mode corresponding to the semi-persistently scheduled configuration resource; different time / frequency resources and data transmission need to be pre-configured Correspondence of ways.
  • the processor is further used to:
  • the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied is indicated by the communication target indication information carried in the configuration signaling of the semi-persistent scheduling.
  • the processor is further used to:
  • the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied is indicated by the communication target indication information carried in the PDCCH activation signaling corresponding to the semi-persistent scheduling.
  • the processor is further used to:
  • the communication target indication information carried in the PDSCH indicated by the PDCCH activation signaling corresponding to the semi-persistent scheduling indicates the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied.
  • the data transmission mode corresponding to the resource allocated for the terminal for the direct communication link by the processor includes:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • An embodiment of the present disclosure also provides a resource scheduling device for a direct communication link, which is applied to a terminal.
  • the device includes:
  • An obtaining module used to obtain the data transmission mode corresponding to the resource allocated for the terminal for direct communication link indicated by the network side device;
  • the data transmission method is unicast, multicast or broadcast; or the data transmission method is unicast or multicast, where multicast includes multicast and broadcast.
  • An embodiment of the present disclosure also provides a resource scheduling device for a direct communication link, which is applied to a network-side device, where the device includes:
  • An instruction module used to indicate the data transmission mode corresponding to the resource allocated to the terminal for the direct communication link, wherein the data transmission mode is unicast, multicast or broadcast; or the data transmission mode is unicast or multiple Multicast, including multicast and broadcast.
  • An embodiment of the present disclosure also provides a computer-readable storage medium, wherein the computer-readable storage medium stores a program, and when the program is executed by a processor, a direct communication link as described in any one of the above is implemented The steps of the resource scheduling method.
  • the resource scheduling method of the direct communication link described in the embodiment of the present disclosure allows the terminal to acquire the data transmission method of the resource used for the direct communication link by indicating to the terminal the data transmission method of the resource allocated for the direct communication link, Data transmission can be performed according to the indicated data transmission method, and HARQ feedback can be performed when the indicated data transmission method is unicast to ensure the smooth progress of HARQ feedback.
  • FIG. 1 shows a schematic diagram of a system architecture using a direct communication link resource scheduling method according to an embodiment of the present disclosure
  • FIG. 2 is a schematic flowchart of a first implementation manner of a resource scheduling method for a direct communication link according to the first embodiment of the present disclosure
  • FIG. 3 is a schematic flowchart of a second implementation manner of a resource scheduling method for a direct communication link according to the first embodiment of the present disclosure
  • FIG. 4 is a schematic flowchart of a third implementation manner of a resource scheduling method for a direct communication link according to the first embodiment of the present disclosure
  • FIG. 5 is a schematic flowchart of a first implementation manner of a resource scheduling method for a direct communication link according to a second embodiment of the present disclosure
  • FIG. 6 is a schematic flowchart of a second implementation manner of a resource scheduling method for a direct communication link according to a second embodiment of the present disclosure
  • FIG. 7 is a schematic flowchart of a third implementation manner of a resource scheduling method for a direct communication link according to a second embodiment of the present disclosure
  • FIG. 8 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 9 shows a schematic structural diagram of a network-side device according to an embodiment of the present disclosure.
  • FIG. 10 shows one of the structural schematic diagrams of the resource scheduling apparatus of the direct communication link according to the embodiment of the present disclosure
  • FIG. 11 is a second schematic structural diagram of a resource scheduling apparatus for a direct communication link according to an embodiment of the present disclosure.
  • FIG. 1 is a schematic diagram of a system architecture using the resource scheduling method of the direct communication link.
  • the system includes multiple Terminal UE10, where the terminal can be a vehicle-mounted terminal, set up devices such as Global Positioning System (GPS), Radio Frequency Identification (RFID), sensor and camera image processing, etc.
  • GPS Global Positioning System
  • RFID Radio Frequency Identification
  • sensor sensor
  • camera image processing etc.
  • the vehicle-mounted terminal can complete its own environment and status Information collection, and through wireless transmission technology, the terminal can transmit its own information to the base station 20 or another terminal 10.
  • terminals that are close to each other can directly communicate with each other.
  • a link for direct communication between terminals is called a direct communication link or a bypass sidelink, and is also called a direct communication interface.
  • the resource scheduling method of the direct communication link separates the unicast and multicast / broadcast resources of the direct communication link to ensure the smooth progress of HARQ feedback .
  • FIG. 2 is a schematic flowchart of a resource scheduling method for a direct communication link according to the first embodiment of the present disclosure, which is applied to a terminal.
  • the method includes:
  • the data transmission method is unicast, multicast or broadcast; or the data transmission method is unicast or multicast, where multicast includes multicast and broadcast.
  • the resource scheduling method of the direct communication link described in the embodiment of the present disclosure allows the terminal to acquire the data transmission method of the resource used for the direct communication link by indicating to the terminal the data transmission method of the resource allocated for the direct communication link, Data transmission can be performed according to the indicated data transmission method, and HARQ feedback can be performed when the indicated data transmission method is unicast to ensure the smooth progress of HARQ feedback.
  • the data transmission method on the direct communication link can be divided into three categories: unicast, multicast, and broadcast.
  • the data transmission mode acquired by the terminal is unicast, multicast or broadcast; optionally, the data transmission mode on the direct communication link can also be divided into two categories, unicast and multicast, where multicast includes multicast And broadcast, when this division method is adopted, the data transmission method acquired by the terminal is unicast or multicast.
  • the network-side device indicates that the terminal is allocated for the direct communication link.
  • the data transmission methods corresponding to the resources of the road include:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the network-side device when the network-side device allocates resources for the terminal's direct communication link, it also indicates to the terminal the data transmission method corresponding to the direct communication link for allocating resources, that is, When the direct communication link allocates resources, it indicates whether the unicast service or multicast / broadcast service targeted by the resource.
  • step S211 includes:
  • the data transmission mode corresponding to allocating resources for the direct communication link is indicated through resource scheduling signaling.
  • the network side device when the network side device allocates resources for the direct communication link, it indicates the data transmission mode of the allocated resources through resource scheduling signaling, that is, whether it is for a unicast service or a multicast / broadcast service.
  • Direct communication link-radio network temporary identity (Sidelink, Radio Network Identity, SL-RNTI) corresponding to the resource scheduling signaling indicates the data transmission method corresponding to the allocation of resources for the direct communication link; wherein, different The data transmission method indicated by SL-RNTI is different.
  • the method may further include:
  • the terminal when the terminal communicates with multiple direct communication target terminals at the same time, on the basis of the data transmission mode corresponding to allocating resources for the direct communication link through the SL-RNTI corresponding to the resource scheduling signaling ,
  • the direct communication target end corresponding to the resource can also be indicated through SL-RNTI, so that the allocated resource can be used for communication with the corresponding direct communication target end.
  • the method further includes:
  • the network-side device needs to configure at least two SL-RNTIs for the same terminal, and the configuration needs to indicate to the terminal the data transmission method corresponding to each SL-RNTI, and / or to indicate each SL-RNTI Corresponding direct communication target.
  • the method may further include:
  • the resource scheduling signaling for the direct communication link also carries communication target indication information, It is used to indicate the direct communication target end corresponding to the allocated resources.
  • the terminal when the terminal is the receiver of the direct communication link, the terminal can also obtain the data transmission method corresponding to the resource indicated by the network-side device for the direct communication link in the above manner, and perform data transmission accordingly , Will not be described in detail here.
  • the type indication information carried in the resource scheduling signaling indicates the data transmission mode corresponding to allocating resources for the direct communication link; the different content of the type indication information carried therein is used to indicate different data transmission modes.
  • the network side device may also carry the communication target indication information in the sent resource scheduling signaling .
  • step S211 includes:
  • the type indication information carried in the Physical Downlink Shared Channel (PDSCH) scheduled by SL-RNTI indicates the data transmission method corresponding to the resource allocated for the direct communication link;
  • the different content of the type indication information carried therein is used to indicate different data transmission methods.
  • the network side device may also carry the communication target indication information in the sent resource scheduling signaling
  • the communication target indication information carried in the PDSCH indicated by the resource scheduling signaling may indicate the direct communication target end to which the resources allocated for the direct communication link apply; wherein, the direct communication application indicated by the different communication target indication information The communication target is different.
  • step S211 includes:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the allocated specific resources indicate whether the scheduling signaling is for Sidelink unicast or Multicast / broadcast service.
  • the network side device uses the communication target indication carried in the resource scheduling signaling Information, indicating the direct communication target end to which the resources allocated for the direct communication link apply; or, the communication target indication information carried in the PDSCH indicated by the network side device through resource scheduling signaling, indicating the resources allocated for the direct communication link The direct communication target of the application.
  • the method further includes:
  • the method further includes:
  • step S211 includes:
  • the network side device when the network side device allocates resources for the direct communication link, it can indicate the data transmission mode corresponding to the resource through the type indication information carried in the configuration signaling, that is, whether the resource corresponds to unicast service or multicast / Broadcasting business.
  • the network-side device sends the semi-persistent scheduling configuration signaling for each half
  • the continuous scheduling configuration may also carry communication target indication information.
  • the method further includes:
  • the fifth implementation manner of the foregoing step S211 includes:
  • the physical downlink control channel PDCCH activation signaling can be used to indicate the data transmission mode corresponding to the resource, that is, whether the resource corresponds to unicast service or multicast / Broadcasting service.
  • the PDSCH indicated by the PDCCH activation signaling or the PDCCH activation signaling may also carry the communication target indication information.
  • the method further includes:
  • the method further includes:
  • step S211 includes:
  • the network-side device separates the time / frequency resources that can be used by Sidelink unicast and multicast / broadcast, and indicates that the specific resources allocated in the semi-persistent scheduling configuration PDCCH activation signaling indicate that the semi-persistent scheduling is for Sidelink unicast or multicast / broadcast services.
  • the network side device may also carry the communication target in the PDCCH activation signaling for the direct communication link Instructions.
  • the method further includes:
  • the network side device when in dynamic scheduling or semi-persistent scheduling, is the sender of the direct communication link Or when the direct communication link of the direct communication target end allocates resources, it indicates the data transmission mode corresponding to the resource, that is, the unicast service or the multicast / broadcast service to which the resource is directed.
  • the data transmission methods corresponding to the link resources include:
  • S212 Obtain the data transmission mode corresponding to the configured resource pool when the network-side device configures the terminal with a resource pool for data transmission;
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the terminal when the terminal is the sender of the direct communication link, it can obtain the resource pool configured or pre-configured by the network side device, and obtain the data transmission mode corresponding to the configured resource pool, according to the indicated resource pool For the corresponding data transmission mode, the terminal may select the resource corresponding to the data transmission mode in the sending resource pool by itself.
  • the network side configures or pre-configures the sending resource pool to carry type indication information indicating whether the resource pool is targeted for Sidelink unicast Multicast / broadcast service.
  • this type of indication information can have the following ways:
  • the terminal selects its own transmission resources from the resource pool, it selects specific transmission resources from the resource pool corresponding to unicast for unicast services, and selects specific resources from the resource pool corresponding to multicast / broadcast services for multicast / broadcast services. Send resources.
  • the terminal When the terminal is a direct communication receiver, the terminal can obtain the resource pool configured or pre-configured by the network-side device, and obtain the data transmission method corresponding to the configured resource pool, and adopt the corresponding data transmission method according to the data transmission method of the direct communication link Resources in the resource pool receive data.
  • the resource allocation method of network scheduling can be used, and the network side device is directly communicating with the terminal When the link allocates resources, it indicates the data transmission mode corresponding to the resources allocated for the direct communication link.
  • the specific process may be:
  • the terminal reports Sidelink related auxiliary information to the network side device
  • the network-side device After receiving the Sidelink-related auxiliary information reported by the terminal, the network-side device determines whether to use dynamic scheduling or semi-persistent scheduling; if dynamic scheduling is used, the network-side device needs to indicate that the resource is directed to Whether the broadcast service is a multicast / broadcast service, the specific indication method can be: when the network-side device allocates resources for the direct communication link, different SL-RNTIs corresponding to the resource scheduling signaling are used to distinguish the scheduling signaling for Sidelink unicast Or multicast / broadcast service;
  • the network side device may also carry the communication target indication information in the sent resource scheduling signaling .
  • the terminal After receiving the resource scheduling signaling, the terminal determines, according to the SL-RNTI, whether the resources scheduled by the network-side device for the direct communication link are for Sidelink unicast or multicast / broadcast services, and further can be used for direct communication
  • the resources of the link correspond to which direct communication target end is used for, and then the data packet is organized accordingly, and the data transmission is performed.
  • the specific instruction method can also be:
  • the network side When allocating resources for the direct communication link, the network side indicates whether the scheduling signaling is for Sidelink unicast or multicast / broadcast services by carrying indication information carried in scheduling signaling or PDSCH scheduled by SL-RNTI. Moreover, when the terminal communicates with multiple direct communication targets at the same time, in order to further identify the correspondence between resources and communication targets, the scheduling signaling or the PDSCH indicated by the scheduling signaling for the direct communication link also needs to carry communication target indication information.
  • the specific instruction method can also be:
  • the network side allocates resources for direct communication links, the specific resources allocated indicate whether the scheduling signaling is for Sidelink unicast or multicast / broadcast. business.
  • the terminal communicates with multiple direct communication targets at the same time, in order to further identify the correspondence between the resources and the communication targets, it is necessary to carry communication target indication information in the scheduling signaling for the direct communication link or the PDSCH indicated by the scheduling signaling.
  • the network-side device when the network-side device receives the Sidelink-related auxiliary information reported by the terminal and determines to use semi-persistent scheduling, the network-side device needs to indicate whether the resource is for a unicast service or a group when allocating resources for the direct communication link For broadcast / broadcast services, the specific indication method can also be:
  • the network side device carries type indication information in the semi-persistent scheduling configuration signaling (RRC signaling) to indicate whether each semi-persistent scheduling configuration is for Sidelink unicast or multicast / broadcast services.
  • RRC signaling the semi-persistent scheduling configuration signaling
  • the semi-persistent scheduling configuration signaling may also carry communication target indication information for each semi-persistent scheduling configuration.
  • the terminal receives the configuration signaling of the semi-persistent scheduling, and determines whether the resource corresponding to the semi-persistent scheduling is for Sidelink unicast or multicast / broadcast services according to the indication information carried in the configuration signaling of the semi-persistent scheduling. Which direct communication target. After that, the data packet is organized accordingly.
  • the network-side device when the network-side device receives the Sidelink-related auxiliary information reported by the terminal and determines to use semi-persistent scheduling, the network-side device needs to indicate whether the resource is for a unicast service or a group when allocating resources for the direct communication link For broadcast / broadcast services, the specific indication method can also be:
  • the network-side device carries type indication information in the PDCCH activation signaling corresponding to the semi-persistent scheduling to indicate whether each semi-persistent scheduling configuration is for Sidelink unicast or multicast / broadcast services.
  • the PDCCH activation signaling or the PDSCH indicated by the PDCCH activation signaling also needs to carry communication target indication information.
  • the terminal After receiving the PDCCH activation signaling corresponding to the semi-persistent scheduling, the terminal determines whether the resource corresponding to the semi-persistent scheduling is for Sidelink unicast or multicast / broadcast services according to the indication information carried in the PDCCH activation signaling corresponding to the semi-persistent scheduling, further It is also possible to determine which direct communication target is targeted. After that, the data packet is organized accordingly.
  • the network-side device when the network-side device receives the Sidelink-related auxiliary information reported by the terminal and determines to use semi-persistent scheduling, the network-side device needs to indicate whether the resource is for a unicast service or a group when allocating resources for the direct communication link For broadcast / broadcast services, the specific indication method can also be:
  • the network side indicates whether the semi-persistent scheduling is for Sidelink unicast or multicast by configuring specific resources in the PDCCH activation signaling of semi-persistent scheduling configuration / Broadcasting service.
  • the PDCCH activation signaling for the direct communication link may also carry communication target indication information.
  • the terminal After receiving the PDCCH activation signaling corresponding to the semi-persistent scheduling, the terminal determines whether the resource corresponding to the semi-persistent scheduling is for Sidelink unicast or multicast / broadcast services according to the specific resources allocated in the PDCCH activation signaling of the semi-persistent scheduling configuration, further It is also possible to determine which direct communication target is targeted.
  • the network side device when the terminal is the sender of the direct communication link, a method of directly allocating and receiving resources may be adopted by the network side device.
  • the continuous scheduling method indicates to the terminal the data transmission method corresponding to the resource allocated to the terminal for the direct communication link; the method of using the receiving resource pool may also be used.
  • the network side device configures or pre-configures the receiving resource pool to carry the indication information indication This resource pool is for Sidelink unicast or multicast / broadcast services.
  • the resource scheduling method of the direct communication link further includes:
  • the resources allocated to the terminal by the network-side device for the direct communication link adopt the corresponding data transmission method indicated by the network-side device for data transmission.
  • FIG. 5 it is a schematic flowchart of a resource scheduling method for a direct communication link according to a second embodiment of the present disclosure, which is applied to network-side devices and includes:
  • the resource scheduling method of the direct communication link described in the embodiment of the present disclosure allows the terminal to acquire the data transmission method of the resource used for the direct communication link by indicating to the terminal the data transmission method of the resource allocated for the direct communication link, Data transmission can be performed according to the indicated data transmission method, and HARQ feedback can be performed when the indicated data transmission method is unicast to ensure the smooth progress of HARQ feedback.
  • step S510 the resource allocated for the direct communication link corresponding to the terminal is indicated.
  • Data transmission methods including:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the network-side device when the network-side device allocates resources for the terminal's direct communication link, it also indicates to the terminal the data transmission method corresponding to the direct communication link for allocating resources, that is, When the direct communication link allocates resources, it indicates whether the unicast service or multicast / broadcast service targeted by the resource.
  • step S511 is:
  • the data scheduling mode corresponding to allocating resources for the direct communication link is indicated through resource scheduling signaling.
  • the network side device Based on the above method, through dynamic scheduling, the network side device indicates the data transmission method of the allocated resource through resource scheduling signaling when allocating resources for the direct communication link, that is, for unicast services or multicast / broadcast services.
  • the direct communication link corresponding to the resource scheduling signaling-the wireless network temporary identifier SL-RNTI indicates the data transmission mode corresponding to the resource allocated to the direct communication link; wherein, the data indicated by different SL-RNTI The transmission method is different.
  • the method may further include:
  • the direct communication target end to which the resource allocated for the direct communication link is applied is indicated by the SL-RNTI in the resource scheduling signaling instruction; wherein, the direct communication target end to which the application indicated by different SL-RNTIs are different.
  • the terminal when the terminal communicates with multiple direct communication target terminals at the same time, on the basis of the data transmission mode corresponding to allocating resources for the direct communication link through the SL-RNTI corresponding to the resource scheduling signaling ,
  • the direct communication target end corresponding to the resource can also be indicated through SL-RNTI, so that the allocated resource can be used for communication with the corresponding direct communication target end.
  • the method further includes:
  • At least two SL-RNTIs are pre-configured for the terminal.
  • the network-side device needs to configure at least two SL-RNTIs for the same terminal, and the configuration needs to indicate to the terminal the data transmission method corresponding to each SL-RNTI, and / or to indicate each SL-RNTI Corresponding direct communication target.
  • the method may further include:
  • the direct communication target terminal to which the resource allocated for the direct communication link is applied is indicated by the communication target indication information carried in the resource scheduling signaling; wherein, the direct communication target terminal of the application indicated by different communication target indication information is different.
  • the type indication information carried in the resource scheduling signaling indicates the data transmission mode corresponding to allocating resources for the direct communication link; the different content of the type indication information carried therein is used to indicate different data transmission modes.
  • the network side device may also carry the communication target indication information in the sent resource scheduling signaling .
  • the second embodiment of the above step S511 includes:
  • the type indication information carried in the physical downlink shared channel PDSCH scheduled by SL-RNTI indicates the data transmission method corresponding to the allocation of resources for the direct communication link; the different content of the type indication information carried therein is used to To indicate different data transmission methods.
  • the network side device may also carry the communication target indication information in the sent resource scheduling signaling
  • the communication target indication information carried in the PDSCH indicated by the resource scheduling signaling may indicate the direct communication target end to which the resources allocated for the direct communication link apply; wherein, the direct communication application indicated by the different communication target indication information The communication target is different.
  • step S511 includes:
  • the specific resource allocation is used to indicate the data transmission mode corresponding to allocating resources for the direct communication link; among them, it is necessary to pre-configure the correspondence between different time / frequency resources and data transmission modes relationship;
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the allocated specific resources indicate whether the scheduling signaling is for Sidelink unicast or Multicast / broadcast service.
  • the network side device uses the communication target indication carried in the resource scheduling signaling Information, indicating the direct communication target end to which the resources allocated for the direct communication link apply; or, the communication target indication information carried in the PDSCH indicated by the network side device through resource scheduling signaling, indicating the resources allocated for the direct communication link The direct communication target of the application.
  • the method further includes:
  • the direct communication target terminal to which the resource allocated for the direct communication link is applied is indicated by the communication target indication information carried in the resource scheduling signaling; wherein, the direct communication target terminal of the application indicated by different communication target indication information is different.
  • the method further includes:
  • the communication target indication information carried in the PDSCH indicated by the resource scheduling signaling indicates the direct communication target end to which the resource allocated for the direct communication link is applied; wherein, the direct communication target ends indicated by different communication target indication information are different .
  • the fourth implementation manner of the above step S511 includes:
  • the type signaling information is carried in the semi-persistent scheduling configuration signaling to indicate the data transmission mode corresponding to the semi-persistent scheduling configuration resource.
  • the network side device when the network side device allocates resources for the direct communication link, it can indicate the data transmission mode corresponding to the resource through the type indication information carried in the configuration signaling, that is, whether the resource corresponds to unicast service or multicast / Broadcasting business.
  • the network-side device sends the semi-persistent scheduling configuration signaling for each half
  • the continuous scheduling configuration may also carry communication target indication information.
  • the method further includes:
  • the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied is indicated by the communication target indication information carried in the configuration signaling of the semi-persistent scheduling.
  • the fifth implementation manner of the foregoing step S511 includes:
  • the activation signaling of the physical downlink control channel PDCCH corresponding to the semi-persistent scheduling carries type indication information to indicate the data transmission mode corresponding to the configuration resources of the semi-persistent scheduling.
  • the physical downlink control channel PDCCH activation signaling can be used to indicate the data transmission mode corresponding to the resource, that is, whether the resource corresponds to unicast service or multicast / Broadcasting service.
  • the PDSCH indicated by the PDCCH activation signaling or the PDCCH activation signaling may also carry the communication target indication information.
  • the method further includes:
  • the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied is indicated by the communication target indication information carried in the PDCCH activation signaling corresponding to the semi-persistent scheduling.
  • the method further includes:
  • the communication target indication information carried in the PDSCH indicated by the PDCCH activation signaling corresponding to the semi-persistent scheduling indicates the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied.
  • the sixth implementation manner of the above step S511 includes:
  • the specific resource allocated in the semi-persistent scheduling configuration PDCCH activation signaling indicates the data transmission mode corresponding to the semi-persistent scheduling configuration resource; different time / frequency resources and data need to be pre-configured Correspondence of transmission methods.
  • the network-side device separates the time / frequency resources that can be used by Sidelink unicast and multicast / broadcast, and indicates that the specific resources allocated in the semi-persistent scheduling configuration PDCCH activation signaling indicate that the semi-persistent scheduling is for Sidelink unicast or multicast / broadcast services.
  • the network side device may also carry the communication target in the PDCCH activation signaling for the direct communication link Instructions.
  • the method further includes:
  • the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied is indicated by the communication target indication information carried in the PDCCH activation signaling corresponding to the semi-persistent scheduling.
  • the network side device when in dynamic scheduling or semi-persistent scheduling, is the sender of the direct communication link Or when the direct communication link of the direct communication target end allocates resources, it indicates the data transmission mode corresponding to the resource, that is, the unicast service or the multicast / broadcast service to which the resource is directed.
  • the second implementation manner of the resource scheduling method of the direct communication link according to the second embodiment, as shown in FIG. 7, in step S510, indicates that the resource allocated for the terminal for the direct communication link corresponds to Data transmission methods, including:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the terminal when the terminal is the sender of the direct communication link, it can obtain the resource pool configured or pre-configured by the network side device, and obtain the data transmission mode corresponding to the configured resource pool, according to the indicated resource pool For the corresponding data transmission mode, the terminal may select the resource corresponding to the data transmission mode in the sending resource pool by itself.
  • the terminal When the terminal is a direct communication receiver, the terminal can obtain the resource pool configured or pre-configured by the network-side device, and obtain the data transmission method corresponding to the configured resource pool, and adopt the corresponding data transmission method according to the data transmission method of the direct communication link Resources in the resource pool receive data.
  • the terminal includes: a processor 801; and a memory 803 connected to the processor 801 through a bus interface 802, and the memory 803 is used to store the The programs and data used by the processor 801 when performing operations, and the processor 801 calls and executes the programs and data stored in the memory 803.
  • the transceiver 804 is connected to the bus interface 802 and is used to receive and send data under the control of the processor 801.
  • the processor 801 is used to read the program in the memory 803 and perform the following process:
  • the data transmission method is unicast, multicast or broadcast; or the data transmission method is unicast or multicast, where multicast includes multicast and broadcast.
  • the processor 801 acquiring the data transmission mode corresponding to the resource indicated by the network side device includes:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the processor 801 obtains the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • the data transmission mode corresponding to the resources allocated for the direct communication link is indicated through resource scheduling signaling.
  • the processor 801 indicates, through resource scheduling signaling, that the data transmission mode corresponding to the resource allocated to the direct communication link includes:
  • processor 801 is also used to:
  • the processor 801 is used to:
  • the processor 801 indicates, through resource scheduling signaling, that the data transmission mode corresponding to the resource allocated to the direct communication link includes:
  • the type indication information carried in the resource scheduling signaling indicates the data transmission mode corresponding to the resource allocated to the direct communication link; the different content of the type indication information carried therein is used to indicate different data transmission modes.
  • the processor 801 obtains the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • the type indication information carried in the physical downlink shared channel PDSCH scheduled by the SL-RNTI indicates the data transmission mode corresponding to the resource allocated for the direct communication link; the type indication information carried therein
  • the different contents are used to indicate different data transmission methods.
  • the processor 801 obtains the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • processor 801 is also used to:
  • processor 801 is also used to:
  • the processor 801 obtains the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • the processor 801 obtains the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • the processor 801 obtains the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • processor 801 is also used to:
  • processor 801 is also used to:
  • processor 801 is also used to:
  • the processor 801 acquiring the data transmission mode corresponding to the resource indicated by the network side device includes:
  • the network-side device indicates the data transmission mode corresponding to the configured resource pool
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 801 and various circuits of the memory represented by the memory 803 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, etc., which are well known in the art, and therefore, they will not be further described in this article.
  • the bus interface provides an interface.
  • the transceiver 804 may be a plurality of elements, including a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium.
  • the user interface 805 may also be an interface that can be externally connected to a required device.
  • the connected devices include but are not limited to a keypad, a display, a speaker, a microphone, a joystick, and so on.
  • the processor 801 is responsible for managing the bus architecture and general processing, and the memory 803 may store data used by the processor 801 in performing operations.
  • an embodiment of the present disclosure further provides a network-side device, including a transceiver 901, a memory 902, a processor 900, and a program stored on the memory 902 and executable on the processor 900;
  • the processor 900 calls and executes the programs and data stored in the memory 902.
  • the transceiver 901 receives and sends data under the control of the processor 900.
  • the processor 900 is used to read the program in the memory 902 and perform the following processes:
  • the data transmission mode Indicates the data transmission mode corresponding to the resource allocated to the terminal for the direct communication link, wherein the data transmission mode is unicast, multicast or broadcast; or the data transmission mode is unicast or multicast, in which multicast Including multicast and broadcast.
  • the data transmission mode corresponding to the resource allocated for the terminal for the direct communication link by the processor 900 includes:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the data transmission mode corresponding to the processor 900 indicating to allocate resources for the direct communication link includes:
  • the data scheduling mode corresponding to allocating resources for the direct communication link is indicated through resource scheduling signaling.
  • the processor 900 indicates, through resource scheduling signaling, that the data transmission mode corresponding to allocating resources for the direct communication link includes:
  • processor 900 is also used to:
  • the direct communication target end to which the resource allocated for the direct communication link is applied is indicated by the SL-RNTI in the resource scheduling signaling instruction; wherein, the direct communication target end to which the application indicated by different SL-RNTIs are different.
  • processor 900 is also used to:
  • At least two SL-RNTIs are pre-configured for the terminal.
  • the processor 900 indicates, through resource scheduling signaling, that the data transmission mode corresponding to allocating resources for the direct communication link includes:
  • the type indication information carried in the resource scheduling signaling indicates a data transmission mode corresponding to allocating resources for the direct communication link; different contents of the type indication information carried therein are used to indicate different data transmission modes.
  • the data transmission mode corresponding to the processor 900 indicating to allocate resources for the direct communication link includes:
  • the type indication information carried in the physical downlink shared channel PDSCH scheduled by SL-RNTI indicates the data transmission method corresponding to the allocation of resources for the direct communication link; the different content of the type indication information carried therein is used to To indicate different data transmission methods.
  • the data transmission mode corresponding to the resource allocated for the terminal for the direct communication link by the processor 900 includes:
  • the specific resource allocation is used to indicate the data transmission mode corresponding to allocating resources for the direct communication link; among them, it is necessary to pre-configure the correspondence between different time / frequency resources and data transmission modes relationship;
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • processor 900 is also used to:
  • the direct communication target terminal to which the resource allocated for the direct communication link is applied is indicated by the communication target indication information carried in the resource scheduling signaling; wherein, the direct communication target terminal of the application indicated by different communication target indication information is different.
  • processor 900 is also used to:
  • the communication target indication information carried in the PDSCH indicated by the resource scheduling signaling indicates the direct communication target end to which the resource allocated for the direct communication link is applied; wherein, the direct communication target ends indicated by different communication target indication information are different .
  • the data transmission mode corresponding to the processor 900 indicating to allocate resources for the direct communication link includes:
  • the type signaling information is carried in the semi-persistent scheduling configuration signaling to indicate the data transmission mode corresponding to the semi-persistent scheduling configuration resource.
  • the data transmission mode corresponding to the processor 900 indicating to allocate resources for the direct communication link includes:
  • the activation signaling of the physical downlink control channel PDCCH corresponding to the semi-persistent scheduling carries type indication information to indicate the data transmission mode corresponding to the configuration resources of the semi-persistent scheduling.
  • the data transmission mode corresponding to the processor 900 indicating to allocate resources for the direct communication link includes:
  • the specific resource allocated in the semi-persistently scheduled configuration PDCCH activation signaling indicates the data transmission mode corresponding to the semi-persistently scheduled configuration resource; different time / frequency resources and data transmission need to be pre-configured Correspondence of ways.
  • processor 900 is also used to:
  • the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied is indicated by the communication target indication information carried in the configuration signaling of the semi-persistent scheduling.
  • processor 900 is also used to:
  • the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied is indicated by the communication target indication information carried in the PDCCH activation signaling corresponding to the semi-persistent scheduling.
  • processor 900 is also used to:
  • the communication target indication information carried in the PDSCH indicated by the PDCCH activation signaling corresponding to the semi-persistent scheduling indicates the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied.
  • the data transmission mode corresponding to the resource allocated for the terminal for the direct communication link by the processor 900 includes:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 900 and various circuits of the memory represented by the memory 902 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, etc., which are well known in the art, and therefore, they will not be further described in this article.
  • the bus interface provides an interface.
  • the transceiver 901 may be a plurality of elements, including a transmitter and a receiver, and provides a unit for communicating with various other devices on a transmission medium.
  • the processor 900 is responsible for managing the bus architecture and general processing, and the memory 902 may store data used by the processor 900 in performing operations.
  • An embodiment of the present disclosure also provides a resource scheduling device for a direct communication link, which is applied to a terminal. As shown in FIG. 10, the device includes:
  • the obtaining module 1001 is used to obtain the data transmission mode corresponding to the resource allocated to the terminal for direct communication link indicated by the network side device;
  • the data transmission method is unicast, multicast or broadcast; or the data transmission method is unicast or multicast, where multicast includes multicast and broadcast.
  • the acquiring module 1001 acquires the data transmission mode corresponding to the resource indicated by the network-side device including:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the acquiring module 1001 acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • the data transmission mode corresponding to the resources allocated for the direct communication link is indicated through resource scheduling signaling.
  • the acquisition module 1001 indicates, through resource scheduling signaling, that the data transmission mode corresponding to the resource allocated for the direct communication link includes:
  • the obtaining module 1001 is also used to:
  • the obtaining module 1001 is also used to:
  • the acquisition module 1001 indicates, through resource scheduling signaling, that the data transmission mode corresponding to the resource allocated for the direct communication link includes:
  • the type indication information carried in the resource scheduling signaling indicates the data transmission mode corresponding to the resource allocated to the direct communication link; the different content of the type indication information carried therein is used to indicate different data transmission modes.
  • the acquiring module 1001 acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • the type indication information carried in the physical downlink shared channel PDSCH scheduled by the SL-RNTI indicates the data transmission mode corresponding to the resource allocated for the direct communication link; the type indication information carried therein
  • the different contents are used to indicate different data transmission methods.
  • the acquiring module 1001 acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the obtaining module 1001 is also used to:
  • the obtaining module 1001 is also used to:
  • the acquiring module 1001 acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • the acquiring module 1001 acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • the acquiring module 1001 acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:
  • the obtaining module 1001 is also used to:
  • the obtaining module 1001 is also used to:
  • the obtaining module 1001 is also used to:
  • the acquiring module 1001 acquiring the data transmission mode corresponding to the resource indicated by the network-side device includes:
  • the network-side device indicates the data transmission mode corresponding to the configured resource pool
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • An embodiment of the present disclosure also provides a resource scheduling device for a direct communication link, which is applied to a network-side device. As shown in FIG. 11, the device includes:
  • the instruction module 1101 is used to indicate the data transmission mode corresponding to the resource allocated to the terminal for the direct communication link, wherein the data transmission mode is unicast, multicast or broadcast; or the data transmission mode is unicast or Multicast, which includes multicast and broadcast.
  • the indication module 1101 indicates that the data transmission mode corresponding to the resource allocated for the terminal for the direct communication link includes:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the indication module 1101 indicates that the data transmission mode corresponding to allocating resources for the direct communication link includes:
  • the data scheduling mode corresponding to allocating resources for the direct communication link is indicated through resource scheduling signaling.
  • the instruction module 1101 indicates, through resource scheduling signaling, that the data transmission mode corresponding to allocating resources for the direct communication link includes:
  • the indication module 1101 is also used to:
  • the direct communication target end to which the resource allocated for the direct communication link is applied is indicated by the SL-RNTI in the resource scheduling signaling instruction; wherein, the direct communication target end to which the application indicated by different SL-RNTIs are different.
  • the indication module 1101 is also used to:
  • At least two SL-RNTIs are pre-configured for the terminal.
  • the instruction module 1101 indicates, through resource scheduling signaling, that the data transmission mode corresponding to allocating resources for the direct communication link includes:
  • the type indication information carried in the resource scheduling signaling indicates a data transmission mode corresponding to allocating resources for the direct communication link; different contents of the type indication information carried therein are used to indicate different data transmission modes.
  • the indication module 1101 indicates that the data transmission mode corresponding to allocating resources for the direct communication link includes:
  • the type indication information carried in the physical downlink shared channel PDSCH scheduled by SL-RNTI indicates the data transmission method corresponding to the allocation of resources for the direct communication link; the different content of the type indication information carried therein is used to To indicate different data transmission methods.
  • the indication module 1101 indicates that the data transmission mode corresponding to the resource allocated for the terminal for the direct communication link includes:
  • the specific resource allocation is used to indicate the data transmission mode corresponding to allocating resources for the direct communication link; among them, it is necessary to pre-configure the correspondence between different time / frequency resources and data transmission modes relationship;
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • the indication module 1101 is also used to:
  • the direct communication target end applied to the resource allocated to the direct communication link is indicated by the communication target indication information carried in the resource scheduling signaling; wherein, the direct communication target end of the application indicated by different communication target indication information is different.
  • the indication module 1101 is also used to:
  • the communication target indication information carried in the PDSCH indicated by the resource scheduling signaling indicates the direct communication target end to which the resource allocated for the direct communication link is applied; wherein, the direct communication target ends indicated by different communication target indication information are different .
  • the indication module 1101 indicates that the data transmission mode corresponding to allocating resources for the direct communication link includes:
  • the type signaling information is carried in the semi-persistent scheduling configuration signaling to indicate the data transmission mode corresponding to the semi-persistent scheduling configuration resource.
  • the indication module 1101 indicates that the data transmission mode corresponding to allocating resources for the direct communication link includes:
  • the activation signaling of the physical downlink control channel PDCCH corresponding to the semi-persistent scheduling carries type indication information to indicate the data transmission mode corresponding to the configuration resources of the semi-persistent scheduling.
  • the indication module 1101 indicates that the data transmission mode corresponding to allocating resources for the direct communication link includes:
  • the specific resource allocated in the semi-persistently scheduled configuration PDCCH activation signaling indicates the data transmission mode corresponding to the semi-persistently scheduled configuration resource; different time / frequency resources and data transmission need to be pre-configured Correspondence of ways.
  • the indication module 1101 is also used to:
  • the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied is indicated by the communication target indication information carried in the configuration signaling of the semi-persistent scheduling.
  • the indication module 1101 is also used to:
  • the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied is indicated by the communication target indication information carried in the PDCCH activation signaling corresponding to the semi-persistent scheduling.
  • the indication module 1101 is also used to:
  • the communication target indication information carried in the PDSCH indicated by the PDCCH activation signaling corresponding to the semi-persistent scheduling indicates the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied.
  • the indication module 1101 indicates that the data transmission mode corresponding to the resource allocated for the terminal for the direct communication link includes:
  • the terminal is a direct communication link sender or a direct communication link receiver.
  • Embodiments of the present disclosure also provide a computer-readable storage medium that stores a computer program on the computer-readable storage medium, and when the computer program is executed by a processor, implements the resource scheduling method embodiment of the direct communication link as described above In order to avoid repetition, we will not repeat them here.
  • the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk or optical disk, etc.
  • the methods in the above embodiments can be implemented by means of software plus a necessary universal hardware platform, or by hardware, but in many cases the former is better Implementation.
  • the technical solution of the present disclosure can be embodied in the form of a software product in essence or part that contributes to the existing technology, and the computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk,
  • the CD-ROM includes several instructions to enable a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in various embodiments of the present disclosure.

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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 terminal de planification de ressources pour une liaison de communication directe, et un dispositif côté réseau. Le procédé consiste à acquérir un mode de transmission de données qui est indiqué par un dispositif côté réseau et qui correspond à des ressources utilisées pour une liaison de communication directe qui sont attribuées à un terminal, le mode de transmission de données étant un mode monodiffusion, multidiffusion ou diffusion, ou le mode de transmission de données étant un mode monodiffusion ou multidiffusion, la multidiffusion comprenant la multidiffusion et la diffusion.
PCT/CN2019/110071 2018-10-17 2019-10-09 Procédé et terminal de planification de ressources pour une liaison de communication directe, et dispositif côté réseau WO2020078232A1 (fr)

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