WO2020029825A1 - Procédé de planification de ressources, terminal, et dispositif de réseau - Google Patents

Procédé de planification de ressources, terminal, et dispositif de réseau Download PDF

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Publication number
WO2020029825A1
WO2020029825A1 PCT/CN2019/098171 CN2019098171W WO2020029825A1 WO 2020029825 A1 WO2020029825 A1 WO 2020029825A1 CN 2019098171 W CN2019098171 W CN 2019098171W WO 2020029825 A1 WO2020029825 A1 WO 2020029825A1
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Prior art keywords
terminal
base station
mobile communication
communication technology
generation mobile
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PCT/CN2019/098171
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English (en)
Chinese (zh)
Inventor
林琳
郑方政
赵锐
冯媛
马腾
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电信科学技术研究院有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]

Definitions

  • New Radio (NR) Uu has completed standardization in the 3rd Generation Partnership Project (3GPP), but supports NR sidelink for Vehicle ToX (NR V2X)
  • NR V2X Vehicle ToX
  • LTE Long Term evolution
  • NRUu Network Resource Unit
  • the terminal's LTE sidelink module and NR sidelink module need to receive the scheduling information of the LTE base station and the NR base station respectively, resulting in network information Makes the overhead large, and the subsequent terminal handles the problem of high complexity;
  • LTE sidelink In the case of NR cellular network single network coverage and the terminal supports LTE sidelink and NR sidelink, when sending basic security information (Basic Safty Mass, BSM) services, LTE sidelink needs to be used, because there is no LTE cellular network coverage Although it is within the coverage of the NR cellular network, it cannot accept the scheduling of the NR base station, resulting in a problem that the system performance may be lower than the system performance under the network scheduling.
  • BSM basic security information
  • An object of the present disclosure is to provide a resource scheduling method, a terminal, and a network device, which are used to solve the problem that the terminal has complex processing, large network signaling overhead, and poor system performance when the terminal performs data transmission resource scheduling for direct link between terminals The problem.
  • an embodiment of the present disclosure provides a resource scheduling method, which is applied to a terminal and includes:
  • a direct link transmission between terminals based on the M-th generation mobile communication technology is scheduled.
  • the N-th generation mobile communication technology and the M-th generation mobile communication technology are not long-term evolution LTE at the same time.
  • scheduling the direct link transmission between the terminals based on the M-th generation mobile communication technology according to the downlink control information includes:
  • the target scheduling object indicated by the downlink control information is a direct link between terminals based on the M-th generation mobile communication technology
  • the method further includes:
  • the terminal Determining, according to the system information and / or the configuration information, that the terminal is a resource scheduling and allocation terminal.
  • the method further includes:
  • Determining that the base station that the terminal accepts resource scheduling is the first base station.
  • determining that the base station to which the terminal accepts resource scheduling is the first base station includes:
  • notification by the second base station, notification by the first base station, and notification by a third party entity it is determined that the base station that the terminal accepts resource scheduling is the first base station.
  • the method further includes:
  • the resource scheduling request includes: service attribute information, or includes: service attribute information and terminal location information.
  • the method further includes:
  • Monitor a channel that sends the downlink control information.
  • the method further includes:
  • determining a target scheduling object of the downlink control information includes:
  • the terminal According to the type of service the terminal is currently interacting with, the type of scheduling request of the terminal within a preset time, the type of resource scheduling of the terminal, the indication of the scheduling object received by the terminal from the first base station, and the support of the Mth received by the terminal
  • the second base station on behalf of the mobile communication technology instructs the scheduling object
  • the terminal receives the third party entity's instruction to the scheduling object
  • the terminal is based on the downlink control information
  • the terminal is based on other than the downlink control information.
  • At least one of other downlink control information and a terminal decoding the downlink control information in a preset format to determine a target scheduling object of the downlink control information.
  • the downlink control information includes indication information having a preset format.
  • an embodiment of the present disclosure further provides a resource scheduling method, which is applied to a terminal and includes:
  • the terminal is a terminal selected by autonomous resources, and the terminal selected by the autonomous resources performs autonomous selection scheduling on a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology.
  • the determining that the terminal is a terminal selected by autonomous resources includes:
  • a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology is acquired, and the terminal is determined as a terminal selected by autonomous resources.
  • the determining that the terminal is a terminal selected by autonomous resources includes:
  • the terminal is configured as a terminal for autonomous resource selection by a first base station or a third party entity supporting an N-th generation mobile communication technology.
  • the method further includes:
  • the terminal indicates the scheduling object of the downlink control information.
  • the method further includes:
  • the method further includes:
  • the method further includes:
  • the method further includes:
  • the method further includes:
  • Obtaining a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology includes:
  • the transmission of the direct link between the terminals based on the M-generation mobile communication technology is obtained through at least one of pre-configuration, notification by a second base station supporting the M-generation mobile communication technology, and notification by a third-party entity. Resource pool.
  • an embodiment of the present disclosure further provides a resource selection method, which is applied to a network device, where the network device is a first base station supporting an N-th generation mobile communication technology, and includes:
  • Performing preset operations on the terminal includes:
  • the system message includes: a transmission resource pool of a direct link between the terminals based on the M-th generation mobile communication technology, so that the terminal becomes a terminal for autonomous resource selection.
  • Performing preset operations on the terminal includes:
  • an embodiment of the present disclosure further provides a terminal, including: a transceiver, a memory, a processor, and a program stored in the memory and executable on the processor, which is implemented when the processor executes the program. The following steps:
  • a direct link transmission between terminals based on the M-th generation mobile communication technology is scheduled.
  • the N-th generation mobile communication technology and the M-th generation mobile communication technology are not long-term evolution LTE at the same time.
  • the target scheduling object indicated by the downlink control information is a direct link between terminals based on the M-th generation mobile communication technology
  • Determining that the base station that the terminal accepts resource scheduling is the first base station.
  • notification by the second base station, notification by the first base station, and notification by a third party entity it is determined that the base station that the terminal accepts resource scheduling is the first base station.
  • the resource scheduling request includes: service attribute information, or includes: service attribute information and terminal location information.
  • Monitor a channel that sends the downlink control information.
  • the terminal According to the type of service the terminal is currently interacting with, the type of scheduling request of the terminal within a preset time, the type of resource scheduling of the terminal, the indication of the scheduling object received by the terminal from the first base station, and the support of the Mth received by the terminal
  • the second base station on behalf of the mobile communication technology instructs the scheduling object
  • the terminal receives the third party entity's instruction to the scheduling object
  • the terminal is based on the downlink control information
  • the terminal is based on other than the downlink control information.
  • At least one of other downlink control information and a terminal decoding the downlink control information in a preset format to determine a target scheduling object of the downlink control information.
  • the downlink control information includes indication information having a preset format.
  • an embodiment of the present disclosure further provides a computer-readable storage medium on which a computer program is stored.
  • the computer program is executed by a processor, the steps of the resource scheduling method described above are implemented.
  • an embodiment of the present disclosure further provides a terminal, including: a transceiver, a memory, a processor, and a program stored in the memory and executable on the processor, which is implemented when the processor executes the program. The following steps:
  • the terminal is a terminal selected by autonomous resources, and the terminal selected by the autonomous resources performs autonomous selection scheduling on a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology.
  • a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology is acquired, and the terminal is determined as a terminal selected by autonomous resources.
  • the terminal is configured as a terminal for autonomous resource selection by a first base station or a third party entity supporting an N-th generation mobile communication technology.
  • an embodiment of the present disclosure further provides a computer-readable storage medium on which a computer program is stored.
  • the computer program is executed by a processor, the steps of the resource scheduling method described above are implemented.
  • an embodiment of the present disclosure further provides a network device, which is a first base station supporting an N-th generation mobile communication technology, and includes: a transceiver, a memory, a processor, and a storage device stored in the memory.
  • a program running on a processor that implements the following steps when the processor executes the program:
  • the transmission of the direct link between the terminals based on the M-generation mobile communication technology is obtained through at least one of pre-configuration, notification by a second base station supporting the M-generation mobile communication technology, and notification by a third-party entity. Resource pool.
  • an embodiment of the present disclosure further provides a computer-readable storage medium on which a computer program is stored.
  • the computer program is executed by a processor, the steps of the resource scheduling method described above are implemented.
  • an embodiment of the present disclosure further provides a network device, which is a first base station supporting an Nth generation mobile communication technology, and includes: a transceiver, a memory, a processor, A program running on a processor that implements the following steps when the processor executes the program:
  • the system message includes: a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology, so that the terminal becomes a terminal for autonomous resource selection.
  • an embodiment of the present disclosure further provides a computer-readable storage medium on which a computer program is stored.
  • the computer program is executed by a processor, the steps of the resource scheduling method described above are implemented.
  • an embodiment of the present disclosure further provides a terminal, including:
  • a first receiving module configured to receive downlink control information sent by a first base station supporting an N-th generation mobile communication technology
  • a scheduling module is configured to schedule direct link transmission between terminals based on the M-th generation mobile communication technology according to the downlink control information.
  • an embodiment of the present disclosure further provides a terminal, including:
  • a first determining module configured to determine that the terminal is a terminal selected by autonomous resources, and the terminal selected by the autonomous resources performs autonomous selection scheduling on a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology .
  • the first sending module is configured to send downlink control information to the terminal.
  • an embodiment of the present disclosure further provides a network device, where the network device is a first base station supporting an N-th generation mobile communication technology, and includes:
  • the operation module is configured to perform a preset operation on the terminal, so that the terminal is a terminal selected by an autonomous resource.
  • FIG. 1 is a schematic flowchart of a resource scheduling method according to an embodiment of the present disclosure
  • FIG. 2 is a second schematic flowchart of a resource scheduling method according to an embodiment of the present disclosure
  • FIG. 3 is a third schematic flowchart of a resource scheduling method according to an embodiment of the present disclosure.
  • FIG. 4 is a fourth flowchart of a resource scheduling method according to an embodiment of the present disclosure.
  • FIG. 5 is one of the structural block diagrams of a terminal provided by an embodiment of the present disclosure.
  • FIG. 6 is one of the module schematic diagrams of a terminal provided by an embodiment of the present disclosure.
  • FIG. 7 is a second structural block diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 8 is a second schematic diagram of a module of a terminal according to an embodiment of the present disclosure.
  • FIG. 9 is a structural block diagram of a network device according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic diagram of a module of a network device according to an embodiment of the present disclosure.
  • FIG. 11 is a second structural block diagram of a network device according to an embodiment of the present disclosure.
  • FIG. 12 is a second schematic diagram of a module of a network device according to an embodiment of the present disclosure.
  • V2X communications share carriers with cellular communications, or use dedicated carriers.
  • Evolved Universal Terrestrial Radio Access Network Evolved UMTS Terrestrial Radio Access Network, E-UTRAN
  • the V2X communication node judges whether the node uses the Mode 3 or Mode 4 mode based on the configuration information in the received signaling.
  • the specific signaling includes a system message block 21 (System Information Block 21, SIB21) and a (radio resource control Radio Resource Control (RRC) configuration message.
  • SIB21 System Information Block 21, SIB21
  • RRC radio resource control Radio Resource Control
  • the user equipment can report a message to notify the base station of the following information: geographic location information including latitude and longitude, cycle of service transmission, maximum size of service packet, and service priority And other information.
  • An evolved NodeB eNB is a V2X communication node that communicates on the PC5 interface through DCI (Downlink Control Information) Format 5A, and informs the V2X communication node of the resources needed for sidelink transmission of control information and data information.
  • DCI Downlink Control Information
  • NR Uu has completed standardization in 3GPP, but the standardization work of NR sidelink supporting NR V2X has not yet started, and the infrastructure related to NR cellular network is also under construction.
  • the front-mounted vehicle-mounted terminals and roadside terminals that support LTE sidelink in the related technology will always exist before the vehicle is scrapped or the roadside equipment is scrapped. Therefore, in order to interconnect with terminals that only support LTE sidelink in the early stage, it is necessary to support both NR sidelink and LTE sidelink terminals until the terminals that only support LTE sidelink completely disappear.
  • the later terminals may be: 1. Support LTE sidelink and NR Uu; 2. Support NR sidelink, LTE sidelink and NR Uu at the same time. Therefore, when the terminal performs scheduling of data transmission resources of the direct link between the terminals, the terminal processing is complicated, the network signaling overhead is large, and the system performance is poor. This has become a problem to be solved.
  • an embodiment of the present disclosure provides a resource scheduling method, which is applied to a terminal and includes:
  • Step 101 Receive downlink control information sent by a first base station supporting an N-th generation mobile communication technology.
  • the N-th generation mobile communication technology specifically refers to 5G NR technology.
  • the downlink control information can be represented by DCI.
  • Step 102 Schedule a direct link transmission between terminals based on the M-th generation mobile communication technology according to the downlink control information.
  • the direct link between the terminals of the M-generation mobile communication technology is LTE sidelink.
  • the terminal performing the above steps is a resource scheduling and allocation terminal, and for LTE sidelink, it is a Mode 3 terminal.
  • the Mode 3 terminal schedules the LTE sidelink transmission through the DCI scheduling signaling sent by the base station supporting the 5G NR technology.
  • the Mode 3 terminal accepts the scheduling of base stations supporting 5G and NR technology, but does not accept the scheduling of base stations supporting LTE technology, thereby reducing the processing complexity of the terminal and the signaling overhead of the network; when the system is in the NR cellular network single coverage situation
  • the Mode 3 terminal accepts the scheduling of base stations that support 5G NR technology, it is not necessary to use a pre-configured resource pool, which can improve system performance.
  • the resource scheduling method in the embodiment of the present disclosure receives downlink control information sent by a first base station supporting an N-th generation mobile communication technology, and schedules a terminal based on the M-th generation mobile communication technology according to the downlink control information. Data transmission between direct links.
  • the terminal can not only reduce the processing complexity of the terminal and the signaling overhead of the network, but also improve the system performance when scheduling data transmission resources for the direct link between the terminals.
  • the N-th generation mobile communication technology and the M-th generation mobile communication technology are not long-term evolution LTE at the same time.
  • scheduling the direct link transmission between terminals based on the M-th generation mobile communication technology according to the downlink control information includes:
  • the target scheduling object indicated by the downlink control information is a direct link between terminals based on the M-th generation mobile communication technology
  • the method before receiving the downlink control information sent by the first base station supporting the N-th generation mobile communication technology, the method further includes:
  • the configuration information may include radio resource control RRC configuration information.
  • the method further includes:
  • Determining that the base station that the terminal accepts resource scheduling is the first base station.
  • the second The base station may participate in the scheduling of the transmission resource pool of the LTE sidelink. If the base station that the subsequent terminal accepts the resource scheduling is the first base station that supports the NR technology but not the second base station that supports the LTE technology, the base station that needs to notify the terminal that the subsequent resource scheduling is supported is The first base station of NR technology.
  • notification by the second base station, notification by the first base station, and notification by a third party entity it is determined that the base station that the terminal accepts resource scheduling is the first base station.
  • terminal pre-configuration specifically refers to the factory configuration of the terminal.
  • the third-party entity may include, but is not limited to, a traffic management center and a cloud server.
  • the resource scheduling request includes: service attribute information, or includes: service attribute information and terminal location information.
  • the terminal sends a resource scheduling request to the first base station, indicating that the terminal currently has a resource scheduling requirement.
  • the service attribute information includes at least one of the following: a service packet size, a service packet sending cycle, and a service priority.
  • the terminal location information may include, but is not limited to, geographic location information of the latitude and longitude where the terminal is located.
  • the method before receiving the downlink control information sent by the first base station supporting the N-th generation mobile communication technology, the method further includes:
  • Monitor a channel that sends the downlink control information.
  • the purpose of monitoring the channel for sending the downlink control information is to know whether the downlink control information is sent.
  • the method further includes:
  • determining a target scheduling object of the downlink control information includes:
  • the terminal According to the type of service the terminal is currently interacting with, the type of scheduling request of the terminal within a preset time, the type of resource scheduling of the terminal, the indication of the scheduling object received by the terminal from the first base station, and the support of the Mth received by the terminal.
  • the second base station of the mobile communication technology to the scheduling object, the terminal based on the downlink control information, the terminal based on other downlink control information other than the downlink control information, and the terminal on the downlink
  • the channel control information is decoded in at least one of the preset formats, and a target scheduling object of the downlink control information is determined.
  • the target scheduling object is LTE sidelink; if the type of service currently interacting is collaborative decision-making service with ultra-low latency and high reliability requirements, the target scheduling object is NR sidelink .
  • the terminal's scheduling request type is scheduling LTE sidelink
  • the target scheduling object is LTE sidelink
  • the terminal is a terminal for autonomous resource selection, that is, similar to a Mode 4 terminal, and on LTE sidelink, the terminal is a resource scheduling and allocation terminal, that is, a Mode 3 terminal.
  • the first base station may indicate the scheduling object through general signaling or dedicated signaling.
  • the second base station may indicate the scheduling object through general signaling or dedicated signaling.
  • the third-party entity may include, but is not limited to, a traffic management center and a cloud server.
  • the downlink control information may have an indication field, which includes a number of bits and is used to indicate a scheduling object. For example, taking "00" indicates that the scheduling object is LTE sidelink.
  • the scheduling object may also be determined based on the attribute information in the downlink control information. For example, the bit length of the downlink control information, the length of the useful bits, the value of a certain domain (a certain codepoint), and so on.
  • the other downlink control information may have an indication field, which includes several bits and is used to indicate a scheduling object. For example, taking "00" indicates that the scheduling object is LTE sidelink.
  • the scheduling object may also be determined based on attribute information in other downlink control information. For example, the bit length of the downlink control information, the length of the useful bits, the value of a certain domain (a certain codepoint), and so on.
  • the terminal performs a preset format decoding mode on the downlink control information
  • 5A is decoded to obtain scheduling information, and decoded according to other formats is garbled, indicating that the scheduling object is LTE sidelink.
  • DCI Downlink Control Information
  • this embodiment includes but is not limited to the foregoing scheduling object determination manner, and other scheduling object determination manners may also be adopted.
  • the downlink control information includes indication information having a preset format.
  • the preset format is DCI format 5A.
  • the downlink control information includes all information content of the indication information having a preset format.
  • the indication information of the preset format may be the same or different.
  • steps before receiving the downlink control information sent by the first base station supporting the Nth-generation mobile communication technology may be independent of each other, and each of steps 101 and 102 may constitute a separate embodiment, and Multiple steps can be arbitrarily combined with steps 101 and 102 to form multiple embodiments.
  • steps before receiving the downlink control information sent by the first base station supporting the N-th generation mobile communication technology may be performed in a preset order or not.
  • the resource scheduling method in the embodiment of the present disclosure receives downlink control information sent by a first base station supporting an N-th generation mobile communication technology, and schedules a terminal based on the M-th generation mobile communication technology according to the downlink control information. Data transmission between direct links. In this way, when the terminal schedules data transmission resources for the direct link between terminals, it can not only reduce the processing complexity of the terminal and the signaling overhead of the network, but also improve system performance.
  • an embodiment of the present disclosure further provides a resource scheduling method, which is applied to a terminal and includes:
  • Step 201 It is determined that the terminal is a terminal selected by autonomous resources, and the terminal selected by the autonomous resources performs autonomous selection scheduling on a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology.
  • the terminal for autonomous resource selection is a terminal similar to Mode 4.
  • the terminal can be determined directly or indirectly by receiving the first base station supporting the Nth generation mobile communication technology as the terminal selected by the autonomous resource, and the terminal selected by the autonomous resource is directly connected to the terminal based on the Mth mobile communication technology
  • the transmission resource pool of the link performs independent selection and scheduling.
  • a network-configured resource pool may be used instead of the terminal pre-configuration. Resource pool to improve system performance.
  • determining that the terminal is a terminal selected by autonomous resources includes:
  • a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology is acquired, and the terminal is determined as a terminal selected by autonomous resources.
  • a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology is obtained through a first base station supporting the N-th generation mobile communication technology.
  • the terminal After acquiring the transmission resource pool of the direct link between the terminals based on the M-generation mobile communication technology, the terminal automatically becomes an autonomous resource selection terminal.
  • determining that the terminal is a terminal selected by autonomous resources includes:
  • the terminal is configured as a terminal for autonomous resource selection by a first base station or a third party entity supporting an N-th generation mobile communication technology.
  • the terminal establishes a connection with a first base station supporting the N-th generation mobile communication technology, and the first base station supporting the N-th generation mobile communication technology configures the terminal as a terminal for autonomous resource selection.
  • the N-th generation mobile communication technology specifically refers to 5G NR technology.
  • the direct link between the terminals of the M-generation mobile communication technology is LTE sidelink.
  • a network-configured resource pool may be used instead of terminal pre-configuration Resource pool to improve system performance.
  • an embodiment of the present disclosure further provides a resource scheduling method, which is applied to a network device, where the network device is a first base station supporting an N-th generation mobile communication technology, and includes:
  • Step 301 Send downlink control information to the terminal.
  • the N-th generation mobile communication technology specifically refers to 5G NR technology.
  • the downlink control information can be represented by DCI.
  • the first base station of the execution subject of this embodiment performs communication interaction with the terminal of the execution subject of the method shown in FIG. 1.
  • the terminal by sending downlink control information to terminals, the terminal can not only reduce the processing complexity of the terminal and the signaling overhead of the network when scheduling resources for direct link data transmission between terminals, It can also improve system performance.
  • the method further includes:
  • the service attribute information includes at least one of the following: a service packet size, a service packet sending period, and a service priority.
  • the terminal location information may include, but is not limited to, geographic location information of the latitude and longitude where the terminal is located.
  • the method further includes:
  • the purpose of exchanging transmission resource pools and / or resource scheduling information with the second base station is to prevent both the second base station supporting the M-th generation mobile communication technology and the first base station supporting the N-th generation mobile communication technology. Allocate resources and cause conflicts.
  • an example is used to illustrate that when the system is in dual network coverage of NR cellular network and LTE cellular network and the terminal supports LTE sidelink, the second base station supporting LTE technology participates in resource scheduling for Mode3 terminal supporting LTE sidelink. Therefore, it is necessary for the first base station supporting the NR technology to negotiate the resource allocation of the LTE sidelink with the second base station supporting the LTE technology, so as to achieve the purpose of reasonably allocating the resources of the LTE sidelink.
  • the method further includes:
  • obtaining a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology includes:
  • the transmission of the direct link between the terminals based on the M-generation mobile communication technology is obtained through at least one of pre-configuration, notification by a second base station supporting the M-generation mobile communication technology, and notification by a third-party entity. Resource pool.
  • pre-configuration here specifically refers to network pre-configuration.
  • the transmission resource pool of LTE sidelink is obtained through at least one of pre-configuration and notification by a third-party entity. That is, the first base station supporting the NR technology will not obtain the transmission resource pool of the LTE sidelink through the second base station supporting the LTE technology.
  • the method further includes:
  • steps before the terminal sends downlink control information may be independent of each other and constitute separate embodiments from step 301, or multiple combinations of steps may be arbitrarily combined with multiple implementations of step 301. example.
  • steps related to step 301 may be performed in a preset order or not.
  • the terminal by sending downlink control information to terminals, the terminal can not only reduce the processing complexity of the terminal and the signaling overhead of the network when scheduling resources for direct link data transmission between terminals, It can also improve system performance.
  • an embodiment of the present disclosure further provides a resource scheduling method, which is applied to a network device, where the network device is a first base station supporting an N-th generation mobile communication technology, and includes:
  • Step 401 Perform a preset operation on a terminal, so that the terminal is a terminal selected by an autonomous resource.
  • the first base station of the execution subject of this embodiment performs communication interaction with the terminal of the execution subject of the method shown in FIG. 2.
  • the first base station performs a preset operation on the terminal, so that the terminal is a terminal selected by an autonomous resource, that is, a terminal similar to Mode 4, and the terminal selected by the autonomous resource is between a terminal based on the M-th generation mobile communication technology
  • the transmission resource pool of the direct link performs independent selection and scheduling.
  • the N-th generation mobile communication technology specifically refers to 5G NR technology.
  • the direct link between the terminals of the M-generation mobile communication technology is LTE sidelink.
  • the resource scheduling method of the embodiment of the present disclosure by performing a preset operation on a terminal, making the terminal a terminal for autonomous resource selection, so that the terminal can use a network-configured Resource pool instead of the terminal's pre-configured resource pool to improve system performance.
  • the terminal performing a preset operation includes:
  • the system message includes: a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology, so that the terminal becomes a terminal for autonomous resource selection.
  • the terminal can obtain transmission of a direct link between terminals based on the M-generation mobile communication technology
  • the resource pool determines the terminal as a terminal selected by an autonomous resource.
  • performing a preset operation on the terminal includes:
  • the first base station configures the terminal as a terminal for autonomous resource selection by establishing a connection with the terminal.
  • the resource scheduling method of the embodiment of the present disclosure by performing a preset operation on a terminal, making the terminal a terminal for autonomous resource selection, so that the terminal can use a network-configured Resource pool instead of the terminal's pre-configured resource pool to improve system performance.
  • the steps of the resource scheduling method of the present disclosure include:
  • Step S11 The second base station supporting the LTE technology sends a system message and a configuration message to the terminal;
  • Step S12 The terminal determines that the terminal is an LTE sidelink Mode 3 terminal according to the system message and the configuration message sent by the second base station.
  • Step S13 The terminal learns the resource scheduling of the first base station that subsequently accepts the NR technology.
  • terminal pre-configuration notification by the second base station, notification by the first base station, and notification by a third-party entity.
  • Step S14 the terminal reports the resource scheduling request of the terminal to the first base station
  • this step may also be that the terminal reports the resource scheduling request and auxiliary information of the terminal to the first base station; wherein the resource scheduling request includes service attribute information and the auxiliary information includes terminal location information.
  • step S15 the first base station and the second base station negotiate the resource allocation of LTE sidelink.
  • the second base station supporting LTE technology participates in resource scheduling for Mode3 terminals supporting LTE sidelink, so it supports It is necessary for the first base station of the NR technology to negotiate the resource allocation of LTE sidelink with the second base station supporting the LTE technology, so as to prevent the resource conflict when the second base station of the LTE technology and the first base station supporting the NR technology can allocate resources The situation happened.
  • the first base station supporting NR technology does not need to negotiate the resource allocation of LTE sidelink with the second base station supporting LTE technology.
  • Step S16 the first base station sends DCI scheduling signaling to the terminal
  • the DCI scheduling signaling includes all the information in the DCI format 5A.
  • Step S17 The terminal schedules LTE sidelink transmission according to the DCI scheduling signaling.
  • the terminal schedules LTE sidelink transmission according to the indication content of the DCI scheduling signaling.
  • the terminal is a dual-mode terminal, that is, a dual-mode terminal that supports LTE sidelink and NR sidelink, it is necessary to increase the distinction between DCI scheduling objects to identify whether the DCI scheduling signaling is used for the terminal. For scheduling LTE sidelink transmissions.
  • the distinguishing manner may be one or more combinations of the following occurrence manners.
  • the target scheduling object is LTE sidelink; if the type of service currently interacting is collaborative decision-making service with ultra-low latency and high reliability requirements, the target scheduling object is NR sidelink .
  • the terminal is a terminal for autonomous resource selection, that is, similar to a Mode 4 terminal, and on LTE sidelink, the terminal is a resource scheduling and allocation terminal, that is, a Mode 3 terminal.
  • the first base station may indicate the scheduling object through general signaling or dedicated signaling.
  • the second base station may indicate the scheduling object through general signaling or dedicated signaling.
  • the third-party entity may include, but is not limited to, a traffic management center and a cloud server.
  • the DCI scheduling signaling may have an indication field, which includes a number of bits and is used to indicate a scheduling object. For example, taking "00" indicates that the scheduling object is LTE sidelink.
  • the scheduling object may also be determined based on the attribute information in the DCI scheduling signaling. For example, the bit length of DCI scheduling signaling, the length of useful bits, the value of a certain domain (a certain codepoint), and so on.
  • the other DCI scheduling signaling may have an indication field, which includes a number of bits, and is used to indicate a scheduling object. For example, taking "00" indicates that the scheduling object is LTE sidelink.
  • a scheduling object may also be determined based on attribute information in other DCI scheduling signaling. For example, the bit length of the downlink control information, the length of the useful bits, the value of a certain domain (a certain codepoint), and so on.
  • the decoding information is obtained according to the DCI format 5A, and the garbled characters are obtained according to other formats, it indicates that the scheduling object is LTE sidelink.
  • the steps of the resource scheduling method of the present disclosure include:
  • Step S21 The first base station supporting the NR technology acquires an LTE sidelink transmission resource pool
  • the first base station obtains the LTE sidelink transmission resource pool through at least one of a network pre-configuration, a notification by a second base station supporting LTE technology, and a notification by a third party entity.
  • the method for obtaining the LTE sidelink transmission resource pool by the terminal is not obtained through the notification method of the second base station supporting LTE technology.
  • Step S22 the terminal accesses the first base station, obtains an LTE sidelink transmission resource pool, and automatically becomes an LTE sidelink Mode 4 terminal;
  • the first base station supporting the NR technology sends a system message to the terminal, and the terminal obtains the LTE sidelink transmission resource pool according to the system message.
  • the first base station configures the terminal as an LTE sidelink mode 4 terminal
  • the terminal is configured by the first base station as an LTE sidelink Mode3 terminal;
  • the method may further include the following steps:
  • Step 25 The terminal reports the resource scheduling request of the terminal to the first base station.
  • the resource scheduling request includes service attribute information, or includes service attribute information and terminal location information.
  • this step may also be that the terminal reports the resource scheduling request and auxiliary information of the terminal to the first base station; wherein the resource scheduling request includes service attribute information and the auxiliary information includes terminal location information.
  • step S26 the first base station and the second base station negotiate the resource allocation situation of LTE sidelink.
  • the second base station supporting LTE technology participates in resource scheduling for Mode3 terminals supporting LTE sidelink, so it supports
  • the first base station of the NR technology needs to negotiate the resource allocation of the LTE sidelink with the second base station supporting the LTE technology, so as to achieve the purpose of reasonably allocating the resources of the LTE sidelink.
  • the first base station supporting NR technology does not need to negotiate the resource allocation of LTE sidelink with the second base station supporting LTE technology.
  • the DCI scheduling signaling includes all the information in the DCI format 5A.
  • Step S28 The terminal schedules LTE sidelink transmission according to the DCI scheduling signaling.
  • the terminal schedules LTE sidelink transmission according to the indication content of the DCI scheduling signaling.
  • the terminal is a dual-mode terminal, that is, a dual-mode terminal that supports LTE sidelink and NR sidelink
  • DCI scheduling objects it is necessary to increase the distinction between DCI scheduling objects to identify whether the DCI scheduling signaling is used for the terminal.
  • specific distinction method refer to the content of the above example section, which will not be repeated here.
  • an embodiment of the present disclosure further provides a terminal including a memory 520, a processor 500, a transceiver 510, a bus interface, and a computer program stored in the memory 520 and executable on the processor 500.
  • the processor 500 is configured to read a program in the memory 520 and execute the following processes:
  • a direct link transmission between terminals based on the M-th generation mobile communication technology is scheduled.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 500 and various circuits of the memory represented by the memory 520 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art, so they are not described further herein.
  • the bus interface provides an interface.
  • the transceiver 510 may be multiple elements, including a transmitter and a transceiver, providing a unit for communicating with various other devices over a transmission medium.
  • the user interface 530 may also be an interface capable of externally connecting and connecting the required devices.
  • the connected devices include, but are not limited to, a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 may store data used by the processor 500 when performing operations.
  • the N-th generation mobile communication technology and the M-th generation mobile communication technology are not long-term evolution LTE at the same time.
  • processor 500 executes the computer program
  • the following steps may also be implemented:
  • the target scheduling object indicated by the downlink control information is a direct link between terminals based on the M-th generation mobile communication technology
  • processor 500 executes the computer program
  • the following steps may also be implemented:
  • the terminal Determining, according to the system information and / or the configuration information, that the terminal is a resource scheduling and allocation terminal.
  • processor 500 executes the computer program
  • the following steps may also be implemented:
  • Determining that the base station that the terminal accepts resource scheduling is the first base station.
  • processor 500 executes the computer program
  • the following steps may also be implemented:
  • notification by the second base station, notification by the first base station, and notification by a third party entity it is determined that the base station that the terminal accepts resource scheduling is the first base station.
  • processor 500 executes the computer program
  • the following steps may also be implemented:
  • the resource scheduling request includes: service attribute information, or includes: service attribute information and terminal location information.
  • processor 500 executes the computer program
  • the following steps may also be implemented:
  • Monitor a channel that sends the downlink control information.
  • processor 500 executes the computer program
  • the following steps may also be implemented:
  • processor 500 executes the computer program
  • the following steps may also be implemented:
  • the terminal According to the type of service the terminal is currently interacting with, the type of scheduling request of the terminal within a preset time, the type of resource scheduling of the terminal, the indication of the scheduling object received by the terminal from the first base station, and the support of the Mth received by the terminal
  • the second base station on behalf of the mobile communication technology instructs the scheduling object
  • the third entity receives the indication of the scheduling object from the terminal
  • the terminal is based on the downlink control information
  • the terminal is based on the information other than the downlink control information.
  • At least one of other downlink control information and a terminal decoding the downlink control information in a preset format to determine a target scheduling object of the downlink control information.
  • the downlink control information includes indication information having a preset format.
  • a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the following steps are implemented:
  • a direct link transmission between terminals based on the M-th generation mobile communication technology is scheduled.
  • an embodiment of the present disclosure further provides a terminal, including:
  • a first receiving module 601, configured to receive downlink control information sent by a first base station supporting an N-th generation mobile communication technology
  • a scheduling module 602 is configured to schedule a direct link transmission between terminals based on the M-th generation mobile communication technology according to the downlink control information.
  • the Nth generation mobile communication technology and the Mth mobile communication technology are not long-term evolution LTE at the same time.
  • the scheduling module 602 includes:
  • a scheduling submodule configured to schedule a terminal based on the M-generation mobile communication technology when the target scheduling object indicated by the downlink control information is a direct link between the terminals based on the M-generation mobile communication technology Transmission between direct links.
  • a second receiving module configured to receive system information and / or configuration information sent by the first base station or a second base station or a third party entity supporting the M-th generation mobile communication technology
  • a processing module configured to determine, according to the system information and / or the configuration information, that the terminal is a resource scheduling and allocation terminal.
  • a second determining module is configured to determine that a base station that the terminal accepts resource scheduling is the first base station.
  • the second determining module includes:
  • a first determining submodule configured to determine a base station that the terminal accepts resource scheduling through at least one of a terminal preconfiguration, notification by the second base station, notification by the first base station, and notification by a third party entity Is the first base station.
  • a second sending module is configured to send a resource scheduling request to the first base station, where the resource scheduling request includes service attribute information, or includes service attribute information and terminal location information.
  • a monitoring module is configured to monitor a channel for sending the downlink control information.
  • a third determining module configured to determine a target scheduling object of the downlink control information.
  • the third determining module includes:
  • the second determining submodule is configured to use the type of service the terminal is currently interacting with, the type of the terminal's scheduling request within a preset time, the type of the terminal's resource scheduling, the terminal's indication of the scheduling object received by the terminal, and the terminal.
  • the downlink control information includes indication information having a preset format.
  • the terminal in the embodiment of the present disclosure receives downlink control information sent by a first base station supporting an N-th generation mobile communication technology, and schedules direct communication between terminals based on the M-th generation mobile communication technology according to the downlink control information.
  • Link data transmission In this way, the terminal can not only reduce the processing complexity of the terminal and the signaling overhead of the network, but also improve system performance when scheduling data transmission resources for the direct link between the terminals.
  • an embodiment of the present disclosure further provides a terminal including a memory 720, a processor 700, a transceiver 710, a bus interface, and a computer program stored in the memory 720 and executable on the processor 700.
  • the processor 700 is configured to read a program in the memory 720 and execute the following processes:
  • the terminal is a terminal selected by autonomous resources, and the terminal selected by the autonomous resources performs autonomous selection scheduling on a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 700 and various circuits of the memory represented by the memory 720 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art, so they are not described further herein.
  • the bus interface provides an interface.
  • the transceiver 710 may be multiple elements, including a transmitter and a transceiver, providing a unit for communicating with various other devices over a transmission medium.
  • the user interface 730 may also be an interface capable of externally connecting and connecting the required devices.
  • the connected devices include, but are not limited to, a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 700 is responsible for managing the bus architecture and general processing, and the memory 720 may store data used by the processor 700 when performing operations.
  • processor 700 executes the computer program
  • the following steps may also be implemented:
  • a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology is acquired, and the terminal is determined as a terminal selected by autonomous resources.
  • processor 700 executes the computer program
  • the following steps may also be implemented:
  • the terminal is configured as a terminal for autonomous resource selection by a first base station or a third party entity supporting an N-th generation mobile communication technology.
  • a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the following steps are implemented:
  • the terminal is a terminal selected by autonomous resources, and the terminal selected by the autonomous resources performs autonomous selection scheduling on a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology.
  • an embodiment of the present disclosure further provides a terminal, including:
  • a first determining module 801 is configured to determine that the terminal is a terminal selected by an autonomous resource, and the terminal selected by the autonomous resource autonomously selects a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology. Scheduling.
  • the first determining module includes:
  • a fourth determining submodule is configured to obtain a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology, and determine the terminal as a terminal selected by autonomous resources.
  • the first determining module includes:
  • a fifth determining submodule is configured to configure the terminal as a terminal selected by autonomous resources by a first base station or a third party entity supporting an N-th generation mobile communication technology.
  • a resource pool configured by the network may be used instead of a resource pool pre-configured by the terminal. To improve system performance.
  • an embodiment of the present disclosure further provides a network device.
  • the network device is a first base station supporting an N-th generation mobile communication technology and includes a transceiver 910, a memory 920, a processor 900, and a storage
  • a computer program on a memory and executable on a processor that, when executed by the processor, implements the following steps:
  • 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 920 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art, so they are not described further herein.
  • the bus interface provides an interface.
  • the transceiver 910 may be multiple elements, including a transmitter and a transceiver, providing a unit for communicating with various other devices over a transmission medium.
  • the processor 900 is responsible for managing the bus architecture and general processing, and the memory 920 may store data used by the processor 900 when performing operations.
  • processor 900 executes the computer program, the following steps may also be implemented:
  • the terminal indicates the scheduling object of the downlink control information.
  • processor 900 executes the computer program, the following steps may also be implemented:
  • processor 900 executes the computer program, the following steps may also be implemented:
  • processor 900 executes the computer program, the following steps may also be implemented:
  • processor 900 executes the computer program, the following steps may also be implemented:
  • processor 900 executes the computer program, the following steps may also be implemented:
  • processor 900 executes the computer program, the following steps may also be implemented:
  • the transmission of the direct link between the terminals based on the M-generation mobile communication technology is obtained through at least one of pre-configuration, notification by a second base station supporting the M-generation mobile communication technology, and notification by a third-party entity. Resource pool.
  • a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the following steps are implemented:
  • an embodiment of the present disclosure further provides a network device.
  • the network device is a first base station supporting an Nth generation mobile communication technology, and includes:
  • the first sending module 1001 is configured to send downlink control information to a terminal.
  • the network device further includes:
  • An instruction module configured to indicate to the terminal a scheduling object of the downlink control information.
  • the network device further includes:
  • the second sending module is configured to send system information and / or configuration information to the terminal.
  • the network device further includes:
  • a third receiving module is configured to receive a resource scheduling request sent by the terminal, where the resource scheduling request includes service attribute information, or includes service attribute information and terminal location information.
  • the network device further includes:
  • the interaction module is configured to interact with a second base station supporting the M-generation mobile communication technology based on a transmission resource pool and / or resource scheduling information of a direct link between terminals of the M-generation mobile communication technology.
  • the network device further includes:
  • a negotiation module configured to negotiate with the second base station about resource allocation of a direct link between terminals based on the M-th generation mobile communication technology.
  • the network device further includes:
  • the obtaining module is configured to obtain a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology.
  • the acquisition module includes:
  • a first acquisition submodule configured to acquire a terminal based on the Mth generation mobile communication technology through at least one of preconfiguration, notification by a second base station supporting the Mth generation mobile communication technology, and notification by a third party entity
  • the transmission resource pool of the direct link between them configured to acquire a terminal based on the Mth generation mobile communication technology through at least one of preconfiguration, notification by a second base station supporting the Mth generation mobile communication technology, and notification by a third party entity The transmission resource pool of the direct link between them.
  • the network device sends downlink control information to the terminals, so that the terminals can not only reduce the processing complexity of the terminal and the signaling overhead of the network when scheduling the data transmission resources of the direct link between the terminals, but also Can improve system performance.
  • an embodiment of the present disclosure further provides a network device.
  • the network device is a first base station supporting an Nth generation mobile communication technology, and includes a transceiver 1110, a memory 1120, a processor 1100, and a storage
  • a computer program on a memory and executable on a processor that, when executed by the processor, implements the following steps:
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 1100 and various circuits of the memory represented by the memory 1120 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art, so they are not described further herein.
  • the bus interface provides an interface.
  • the transceiver 1110 may be a plurality of elements, including a transmitter and a transceiver, providing a unit for communicating with various other devices on a transmission medium.
  • the processor 1100 is responsible for managing the bus architecture and general processing, and the memory 1120 may store data used by the processor 1100 when performing operations.
  • processor 1100 executes the computer program
  • steps may also be implemented:
  • the system message includes: a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology, so that the terminal becomes a terminal for autonomous resource selection.
  • processor 1100 executes the computer program
  • steps may also be implemented:
  • a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the following steps are implemented:
  • an embodiment of the present disclosure further provides a network device.
  • the network device is a first base station supporting an Nth generation mobile communication technology, and includes:
  • the operation module 1201 is configured to perform a preset operation on the terminal, so that the terminal is a terminal selected by an autonomous resource.
  • the operation module includes:
  • a sending submodule is configured to send a system message to the terminal, where the system message includes: a transmission resource pool of a direct link between terminals based on the M-th generation mobile communication technology, so that the terminal becomes a terminal selected by autonomous resources.
  • the operation module includes:
  • a configuration submodule is configured to configure a terminal as a terminal selected by autonomous resources.
  • the network device performs a preset operation on a terminal, so that the terminal is a terminal selected by autonomous resources, so that the terminal can use the resources configured by the network when scheduling a direct link data transmission resource between terminals Pool instead of the terminal's pre-configured resource pool, improving system performance.
  • An embodiment of the present disclosure also provides a computer-readable storage medium.
  • a computer program is stored on the computer-readable storage medium.
  • the computer-readable storage medium is, for example, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

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

Abstract

L'invention concerne un procédé de planification de ressources, un terminal et un dispositif de réseau. Le procédé de planification de ressources comprend les étapes consistant à : recevoir des informations de commande de liaison descendante envoyées par une première station de base qui prend en charge une technologie de communication mobile de Nième génération ; et selon les informations de commande de liaison descendante, planifier une transmission de données de liaison directe entre des terminaux basés sur une technologie de communication mobile de Mième génération.
PCT/CN2019/098171 2018-08-10 2019-07-29 Procédé de planification de ressources, terminal, et dispositif de réseau WO2020029825A1 (fr)

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