WO2021088635A1 - Procédé de réception de service, procédé d'envoi de service et terminal - Google Patents

Procédé de réception de service, procédé d'envoi de service et terminal Download PDF

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Publication number
WO2021088635A1
WO2021088635A1 PCT/CN2020/122093 CN2020122093W WO2021088635A1 WO 2021088635 A1 WO2021088635 A1 WO 2021088635A1 CN 2020122093 W CN2020122093 W CN 2020122093W WO 2021088635 A1 WO2021088635 A1 WO 2021088635A1
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Prior art keywords
terminal
service
harq process
priority
process status
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PCT/CN2020/122093
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English (en)
Chinese (zh)
Inventor
王达
赵亚利
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大唐移动通信设备有限公司
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Publication of WO2021088635A1 publication Critical patent/WO2021088635A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1887—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
    • H04L47/2433—Allocation of priorities to traffic types
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a service receiving method, a service sending method, and a terminal.
  • the number of Hybrid Automatic Repeat Request (HARQ) entities on the terminal is often limited.
  • the terminal has only one HARQ entity, which leads to a limited HARQ process of the terminal, for example: 8 A HARQ process.
  • the receiving terminal receives all services until all HARQ processes are occupied, and cannot receive new services; the sending terminal also sends all services, so that all HARQ processes of the sending terminal are occupied and cannot be received anymore. Send new business. It can be seen that the probability of all HARQ processes of the terminal in the related technology being occupied is very high, resulting in poor transmission capability of the terminal.
  • the embodiments of the present disclosure provide a service receiving method, a service sending method, and a terminal to solve the problem that all HARQ processes of the terminal in the related technology are occupied with a high probability, resulting in a relatively poor transmission capability of the terminal.
  • the implementation of the present disclosure provides a service receiving method, including:
  • the first terminal receives the first service according to the HARQ process status of the hybrid automatic repeat request of the first terminal, where the first service includes the service selected by the first terminal to receive according to the HARQ process status, and/ Or, the second terminal selects the service to be sent according to the HARQ process status.
  • the first service is the N second number of the first terminal.
  • the service that satisfies the first condition includes at least one of the following:
  • the service sent by the preset role includes at least one of the following:
  • the priority is higher than or equal to the second priority threshold
  • the priority is higher than or equal to the third priority threshold.
  • the first role includes a group header in multicast
  • the second role includes members other than the group header in the multicast
  • the priority corresponding to the third priority threshold The priority is higher than or equal to the priority corresponding to the second priority threshold
  • the first role includes a vehicle terminal
  • the second role includes a non-vehicle terminal
  • the priority corresponding to the third priority threshold is higher than or equal to the priority corresponding to the second priority threshold.
  • the preset type includes at least one of the following:
  • Unicast type Unicast type, multicast type, broadcast type and security-based service type.
  • the first quantity threshold is one of multiple HARQ process quantity thresholds
  • the first priority threshold is a priority threshold corresponding to the first quantity threshold among the multiple priority thresholds.
  • the method further includes:
  • the first notification message includes at least one of the following:
  • the second notification message includes at least one of the following:
  • the identity of the second service the identity of the first terminal, the identity of at least one second terminal;
  • the third notification message includes at least one of the following:
  • the identity of the third service the priority threshold, the identity of the first terminal, and the identity of at least one second terminal.
  • the first service is the N second terminal All services sent by the first terminal.
  • a HARQ process status notification message is sent to N second terminals, and the HARQ The process status notification message is used to notify the HARQ process status, where N is an integer greater than or equal to 1.
  • the first service is: the service selected by the N second terminals to send according to the HARQ process status; or
  • the first service is: the service selected by the first terminal according to the HARQ process status, and the service selected among the services to be sent by the N second terminals according to the HARQ process status.
  • the selection of the service to be sent by the N second terminals according to the HARQ process status includes:
  • the first number threshold is configured in the following manner:
  • the first number threshold is a configured specific number threshold, or the first number threshold is determined according to the relationship between the configured number threshold and the maximum number of HARQ processes supported by the first terminal The threshold value.
  • the implementation of the present disclosure also provides a service sending method, including:
  • the second terminal receives the HARQ process status notification message sent by the first terminal, where the HARQ process status notification message is used to notify the HARQ process status;
  • the HARQ process status notification message includes at least one of the following:
  • An indication that the number of HARQ processes occupied by the first terminal is greater than or equal to a first number threshold, a first priority threshold, an identification of the first terminal, and an identification of at least one second terminal.
  • the HARQ process status notification message is also used to notify the second terminal to release the service being transmitted, wherein the HARQ process status notification message includes the identifier of the service being released;
  • the method also includes:
  • the second terminal receives a release notification message sent by the first terminal, and the release notification message notifies the second terminal to release the service being transmitted.
  • the release notification message includes:
  • all or part of the services sent to the first terminal include at least one of the following:
  • the service sent by the preset role includes at least one of the following:
  • the priority is higher than or equal to the second priority threshold
  • the priority is higher than or equal to the third priority threshold.
  • the first role includes a group header in multicast
  • the second role includes members other than the group header in the multicast
  • the priority corresponding to the third priority threshold The priority is less than or equal to the priority corresponding to the second priority threshold
  • the first role includes a vehicle terminal
  • the second role includes a non-vehicle terminal
  • the priority corresponding to the third priority threshold is higher than or equal to the priority corresponding to the second priority threshold.
  • the preset type includes at least one of the following:
  • Unicast type Unicast type, multicast type, broadcast type and security-based service type.
  • the first quantity threshold is one of multiple HARQ process quantity thresholds
  • the first priority threshold is a priority threshold corresponding to the first quantity threshold among the multiple priority thresholds.
  • the HARQ process status notification message is sent by the first terminal periodically or triggered by an event.
  • the second terminal when the HARQ process status indicates that the number of HARQ processes occupied by the first terminal is less than or equal to a first number threshold, the second terminal provides all services to the first terminal.
  • An embodiment of the present disclosure also provides a terminal, where the terminal is a first terminal and includes:
  • the receiving module is configured to receive a first service according to the HARQ process status of the hybrid automatic repeat request of the first terminal, where the first service includes the service selected by the first terminal to receive according to the HARQ process status, And/or, the second terminal selects the service to be sent according to the HARQ process status.
  • the first service is the N second number of the first terminal.
  • the terminal further includes:
  • the notification module is configured to send a HARQ process status notification message to N second terminals when the HARQ process status indicates that the number of HARQ processes occupied by the first terminal is greater than or equal to a second number threshold, and The HARQ process status notification message is used to notify the HARQ process status, where N is an integer greater than or equal to 1.
  • the first service is: the service selected by the N second terminals to send according to the HARQ process status; or
  • the first service is: the service selected by the first terminal according to the HARQ process status, and the service selected among the services to be sent by the N second terminals according to the HARQ process status.
  • An embodiment of the present disclosure also provides a terminal, where the terminal is a second terminal and includes:
  • a receiving module configured to receive a HARQ process status notification message sent by the first terminal, where the HARQ process status notification message is used to notify the HARQ process status;
  • the processing module is configured to send all or part of the service to the first terminal according to the HARQ process status, or not to send the service to the first terminal.
  • the HARQ process status notification message includes at least one of the following:
  • An indication that the number of HARQ processes occupied by the first terminal is greater than or equal to a first number threshold, a first priority threshold, an identification of the first terminal, and an identification of at least one second terminal.
  • An embodiment of the present disclosure also provides a terminal, the terminal being a first terminal, including: a transceiver, a memory, a processor, and a program stored on the memory and running on the processor,
  • the transceiver is configured to receive a first service according to the HARQ process status of the hybrid automatic repeat request of the first terminal, where the first service includes the data that the first terminal selects to receive according to the HARQ process status Service, and/or, the second terminal selects the service to send according to the HARQ process status.
  • the first service is the N second number of the first terminal.
  • the service that satisfies the first condition includes at least one of the following:
  • the transceiver is also used for:
  • the first service is the N second terminal All services sent by the first terminal.
  • the transceiver is also used for:
  • a HARQ process status notification message is sent to N second terminals, the HARQ process status notification message Used to notify the HARQ process status, where N is an integer greater than or equal to 1.
  • the first service is: the service selected by the N second terminals to send according to the HARQ process status; or
  • the first service is: the service selected by the first terminal according to the HARQ process status, and the service selected among the services to be sent by the N second terminals according to the HARQ process status.
  • the embodiment of the present disclosure also provides a terminal, where the terminal is a second terminal and includes: a transceiver, a memory, a processor, and a program stored on the memory and running on the processor,
  • the transceiver is configured to receive a HARQ process status notification message sent by a first terminal, where the HARQ process status notification message is used to notify the HARQ process status;
  • the transceiver is further configured to send all or part of the service to the first terminal according to the HARQ process status, or not to send the service to the first terminal.
  • the HARQ process status notification message includes at least one of the following:
  • An indication that the number of HARQ processes occupied by the first terminal is greater than or equal to a first number threshold, a first priority threshold, an identification of the first terminal, and an identification of at least one second terminal.
  • the HARQ process status notification message is also used to notify the second terminal to release the service being transmitted, wherein the HARQ process status notification message includes the identifier of the service being released;
  • the transceiver is also configured to receive a release notification message sent by the first terminal, where the release notification message notifies the second terminal to release the service being transmitted.
  • all or part of the services sent to the first terminal include at least one of the following:
  • the service sent by the preset role includes at least one of the following:
  • the priority is higher than or equal to the second priority threshold
  • the priority is higher than or equal to the third priority threshold.
  • the embodiment of the present disclosure also provides a computer-readable storage medium on which a computer program is stored, where the program is executed by a processor to implement the steps in the service receiving method provided by the embodiment of the present disclosure, or the program is processed
  • the steps in the service sending method provided in the embodiments of the present disclosure are implemented when the device is executed.
  • the first terminal receives the first service according to the HARQ process status of the first terminal.
  • the probability that the HARQ process of the terminal is fully occupied can be reduced, thereby improving the service transmission capability of the terminal.
  • FIG. 1 is a schematic diagram of a network structure applicable to an embodiment of the present disclosure
  • Figure 2 is a flowchart of a service receiving method provided by an embodiment of the present disclosure
  • FIG. 3 is a flowchart of a service sending method provided by an embodiment of the present disclosure
  • FIG. 4 is an interactive flowchart of service transmission between terminals according to an embodiment of the present disclosure
  • FIG. 5 is another flow chart of interaction of service transmission between terminals provided by an embodiment of the present disclosure.
  • FIG. 6 is another flow chart of interaction of service transmission between terminals provided by an embodiment of the present disclosure.
  • FIG. 7 is a structural diagram of a terminal provided by an embodiment of the present disclosure.
  • Figure 8a is a structural diagram of another terminal provided by an embodiment of the present disclosure.
  • Figure 8b is a structural diagram of another terminal provided by an embodiment of the present disclosure.
  • Figure 8c is a structural diagram of another terminal provided by an embodiment of the present disclosure.
  • FIG. 9 is a structural diagram of another terminal provided by an embodiment of the present disclosure.
  • FIG. 10 is a structural diagram of another terminal provided by an embodiment of the present disclosure.
  • FIG. 11 is a structural diagram of another terminal provided by an embodiment of the present disclosure.
  • FIG. 12 is a structural diagram of another terminal provided by an embodiment of the present disclosure.
  • FIG. 1 is a schematic diagram of a network structure applicable to an embodiment of the present disclosure.
  • the terminal 11 may be a User Equipment (UE) or Other terminal devices, such as: mobile phones, tablet computers (Personal Computer), laptop computers (Laptop Computer), personal digital assistants (Personal Digital Assistant, PDA), mobile Internet devices (Mobile Internet Device, MID), wearable Terminal-side devices such as wearable devices, robots, vehicle-mounted terminals, vehicles, etc.
  • UE User Equipment
  • Other terminal devices such as: mobile phones, tablet computers (Personal Computer), laptop computers (Laptop Computer), personal digital assistants (Personal Digital Assistant, PDA), mobile Internet devices (Mobile Internet Device, MID), wearable Terminal-side devices such as wearable devices, robots, vehicle-mounted terminals, vehicles, etc.
  • the direct communication link that can communicate directly between the terminals 11 is called Sidelink (translated as a direct link or bypass, also called a direct communication interface or a direct link interface), that is, the terminals can communicate directly through Sidelink.
  • Sidelink transcriptionally a direct link or bypass, also called a direct communication interface or a direct link interface
  • the terminals for direct communication may all be on the network or all off the network, or some devices may be on the network and some devices may be off the network.
  • the network side equipment 12 may be a base station, such as a macro station, LTE eNB, 5G NR NB, etc.; the network equipment may also be a small station, such as a low power node (LPN), pico, femto, etc., or a network
  • the device can be an access point (Access Point, AP); the base station can also be a network node composed of a central unit (Central Unit, CU) and multiple transmission reception points (Transmission Reception Points, TRP) managed and controlled by it; or the above-mentioned network
  • the side equipment system 12 may be an integrated access backhaul node (Integrated Access Backhaul, IAB), a relay (relay), a road side unit (RSU), and the like.
  • IAB integrated access backhaul node
  • RSU road side unit
  • the cellular communication link between the network-side device 12 and the directly communicating terminal 11 is called a device-to-network (D2N) link, or Uu interface.
  • D2N device-to-network
  • the embodiments of the present disclosure can be applied to a New Radio (NR) vehicle to everything (V2X) network, and can also be applied to other networks that use a through link for communication.
  • NR New Radio
  • V2X vehicle to everything
  • the present disclosure The embodiment is not limited.
  • FIG. 2 is a flowchart of a service receiving method provided by an embodiment of the present disclosure. As shown in FIG. 2, it includes the following steps:
  • the first terminal receives a first service according to the HARQ process status of the hybrid automatic repeat request of the first terminal, where the first service includes the service selected by the first terminal to receive according to the HARQ process status, And/or, the second terminal selects the service to be sent according to the HARQ process status.
  • the above-mentioned first terminal may be a receiving terminal in the through link Sidelink
  • the above-mentioned second terminal may be a transmitting terminal in the through link Sidelink
  • the second terminal may refer to some or all of the N second terminals Terminal, where N is an integer greater than or equal to 1.
  • the HARQ process status of the first terminal may refer to that the HARQ processes of the first terminal are occupied or unoccupied (ie idle state). According to the HARQ process status of the first terminal, the HARQ process status of the first terminal can be determined The number of occupied HARQ processes or the number of remaining unoccupied HARQ processes among all HARQ processes.
  • the above-mentioned first service may include the service selected by the first terminal in the service sent by the second terminal to the first terminal according to the HARQ process status, that is, the first terminal performs selective reception, or it may be all services.
  • the second terminal selects the service to be sent to the first terminal according to the HARQ process status, that is, the second terminal selectively sends it. Specifically, there may be one or more sending terminals that send these terminals to the first terminal. Part or all of the business.
  • the first terminal may select and receive services that meet specific conditions from the services sent by the N second terminals to the first terminal according to its HARQ process status, for example, in the occupied HARQ
  • the number of processes reaches a certain value, only receive services with higher priority sent by the N second terminals, or only receive services sent by the second terminal with a specific role among the N second terminals, or only receive A service of a specific type among the services sent by the N second terminals, or only a service with a higher priority or a service of a specific type sent by a second terminal in a specific role among the N second terminals, and many more.
  • the first terminal may send its HARQ process status to the N second terminals, so that the N second terminals depend on the HARQ process status of the first terminal, Select a service that satisfies a specific condition and send it to the first terminal.
  • the N second terminals when it is known that the number of HARQ processes occupied by the first terminal reaches a certain value, the N second terminals only send priority to the first terminal Higher services, or only the second terminal in a specific role among the N second terminals sends services to the first terminal, or the N second terminals only send specific types of services to the first terminal , Or alternatively, only a second terminal in a specific role among the N second terminals sends a higher priority service or a specific type of service to the first terminal, and so on.
  • the first service may also be received in combination with the above two implementations. For example, when the number of HARQ processes occupied by the first terminal reaches a certain threshold, the N second terminals may choose to satisfy a certain threshold. Conditional services are sent to the first terminal, and when the number of HARQ processes occupied by the first terminal reaches another threshold, the first terminal sends from the N second terminals to the first terminal Choose to receive the business that meets specific conditions from the business.
  • the above steps can prevent the first terminal from directly receiving all services sent to it by the second terminal in any HARQ process state, or prevent the N second terminals from being in the first terminal. All services are sent to it in any HARQ process state, which causes the problem that the HARQ process of the first terminal is easily occupied.
  • receiving or sending services according to the HARQ process state of the first terminal it can reduce The probability that the HARQ process of the first terminal is fully occupied, thereby improving the service transmission efficiency and resource utilization of the terminal.
  • the first service is the first terminal A service that meets the first condition selected from the services sent by the N second terminals to the first terminal.
  • the first terminal may only receive the services sent by the N second terminals to the first terminal when the number of occupied HARQ processes is greater than or equal to the first number threshold.
  • the service of the first condition reduces the occurrence of events in which all the HARQ processes of the N second terminals are occupied due to the reception of all the services sent by the N second terminals to the first terminal.
  • the first condition may be that the priority of the service is lower than a certain value, or the service type is a specific type, or is a service sent by a terminal with a specific role, or that any two or three of these three conditions are met at the same time Combination, etc.
  • a conditional service can reduce the probability that all HARQ processes of the first terminal are occupied and cannot continue to receive other services, thereby improving the service transmission capability of the terminal.
  • the first quantity threshold can be configured in the following manner:
  • the first number threshold may be configured in different ways according to the network connection state of the first terminal. Specifically, when the first terminal is a connected terminal, the first number threshold may be Configured by the network side device through dedicated signaling. When the first terminal is an idle terminal, the first number threshold may be configured by the network side device through broadcast signaling, and the first terminal is a terminal outside the network coverage. At this time, the first quantity threshold may be pre-configured, or the first quantity thresholds of the first terminals in the above three states may be agreed upon by a protocol standard. For example, when the number of all HARQ processes of the first terminal is 8, the first threshold number can be configured as 3, 4, 5, and so on.
  • the first quantity threshold may be a configured specific quantity threshold, or the first quantity threshold is determined according to the relationship between the configured quantity threshold and the maximum number of HARQ processes supported by the first terminal The threshold value.
  • the first number threshold When configuring the first number threshold, you can directly configure the specific value of the first number threshold. For example, you can configure the first number threshold to be 4, 5, or 6, or you can configure the first number threshold and The relationship between the maximum number of HARQ processes supported by the first terminal, such as configuring the first number threshold to be 1/2 of the maximum number of HARQ processes supported by the first terminal, so that the first number can be determined according to the relationship The specific value of the threshold. For example, when the maximum number of HARQ processes supported by the first terminal is 8, if the first number threshold is 1/2 of the maximum number of HARQ processes, it can be determined that the first number threshold is 4 .
  • all the number thresholds can be configured by dedicated signaling configuration, broadcast signaling configuration, pre-configuration, or protocol agreed configuration methods, and each number threshold can be a configured specific number threshold. Alternatively, it is a threshold determined according to the relationship between the configured number threshold and the maximum number of HARQ processes supported by the first terminal. For details, refer to the description of the first number threshold, and the rest will not be repeated.
  • the service that satisfies the first condition includes at least one of the following:
  • the above-mentioned service with a priority higher than or equal to the first priority threshold may have a priority higher than the priority corresponding to the above-mentioned first priority threshold, and the service with a higher priority can be selected for reception through the above-mentioned first priority threshold.
  • the first terminal when the first terminal selects to receive the service that meets the first condition among the services sent by the N second terminals according to its HARQ process status, it may choose to receive the Nth Among the services sent by the second terminal, the priority is higher than or equal to the first priority threshold.
  • the priority value of the priority and the corresponding priority value threshold can be set. For example, the lower the priority value, the higher the priority level; or the higher the priority value, the higher the priority level.
  • the lower the priority value, the higher the priority level is taken as an example for description, but this method is only an example and not as a limitation to the present disclosure.
  • the priority of priority value 1 is higher than the priority of priority value 2
  • the priority of priority value 2 is higher than the priority of priority value 3
  • the priority of priority value 3 is higher than the priority of priority value 4.
  • the corresponding priority threshold can be a priority value of 3, so that the priority value 3 can be selected to receive the higher priority services, such as receiving the priority value less than or equal to 3, but not receiving priority Services with a level value greater than 3. That is to say, when the priority value is lower, the priority level is higher, the above-mentioned service with priority higher than or equal to the first priority threshold may be, the priority value of the priority is less than or equal to the first priority value threshold Business.
  • priority value of the priority and the corresponding priority value threshold can be set above, and the lower the priority value, the higher the priority level is just an example of priority.
  • the embodiment is not limited.
  • priority A may be set higher than priority B, and priority B may be higher than priority C.
  • all priority levels of services can be referred to the above description, and the rest will not be repeated.
  • the first terminal selects to receive the services that meet the first condition among the services sent by the N second terminals according to its HARQ process status, or it may choose to receive the services sent by the preset roles in the N second terminals For example, receiving services sent by a group header in a multicast among the N second terminals, but not receiving services sent by other group members (group members), or receiving the N second terminals
  • the service sent by the vehicle terminal in the vehicle does not receive the service sent by other terminals.
  • the service sent by the preset role may include at least one of the following:
  • the priority is higher than or equal to the second priority threshold
  • the priority is higher than or equal to the third priority threshold.
  • different priority thresholds can be further configured or pre-configured, and the first terminal can choose to receive services sent by a certain preset role with a priority higher than or equal to the corresponding priority threshold
  • the services sent by the preset role selected and received by the first terminal may include services with a priority higher than or equal to the second priority threshold among the services sent by the first role, or may include the second priority threshold.
  • the priority is higher than or equal to the third priority threshold. It may also include the services sent by the first role and the services sent by the second role with priority higher than or equal to the second priority threshold. Services whose priority is higher than or equal to the third priority threshold.
  • the service of the first terminal can be further reduced. The probability that all HARQ processes are occupied.
  • the first priority threshold, the second priority threshold, and the third priority threshold may all be configured through dedicated signaling, broadcast signaling, pre-configuration, or protocol agreement.
  • the first role may include a group header in multicast
  • the second role includes members other than the group header in the multicast
  • the priority corresponding to the third priority threshold The priority is higher than or equal to the priority corresponding to the second priority threshold
  • the first role includes a vehicle terminal
  • the second role includes a non-vehicle terminal
  • the priority corresponding to the third priority threshold is higher than or equal to the priority corresponding to the second priority threshold.
  • different priority thresholds can be configured or pre-configured, for example, for the services sent by the group header, Configure the second priority threshold, and configure the third priority threshold for the services sent by other group members, so that the first terminal can choose to receive the services sent by the group header in the multicast whose priority is higher than or equal to the second priority Level threshold services, you can also choose to receive services sent by other members of the multicast group except for the group header, the services with priority higher than or equal to the third priority threshold, where the third priority threshold corresponds to The priority of is higher than or equal to the priority corresponding to the second priority threshold, that is, the services sent by other group members in the multicast must have a higher priority before they can be received. This can ensure The first terminal preferentially receives important services sent by the group header in the multicast.
  • different priority thresholds can be configured or pre-configured respectively.
  • the second priority threshold can be configured for the service sent by the vehicle terminal.
  • the service sent by the vehicle terminal is configured with the third priority threshold, so that the first terminal can choose to receive the service of the service sent by the vehicle terminal with a priority higher than or equal to the second priority threshold, or select the service sent by the non-vehicle terminal Services with a priority higher than or equal to the third priority threshold, that is, services sent by non-vehicle terminals must have a higher priority before they can be received. This can ensure that the first terminal preferentially receives the services sent by the vehicle terminal Important business.
  • the first terminal can also choose to receive the services that meet the first condition among the services sent by the N second terminals according to its HARQ process status, or it can also choose to receive the services sent by the N second terminals.
  • the preset types of services such as receiving unicast services, but not multicast services and broadcast services, or receiving unicast services and multicast services, but not broadcasting services, or receiving security services, and No other types of business will be accepted.
  • the preset type can be preset or configured according to business requirements.
  • the preset type may include at least one of the following:
  • Unicast type Unicast type, multicast type, broadcast type and security-based service type.
  • the first terminal may receive unicast type, multicast type, broadcast type, or security-based service type services sent by the N second terminals, and may also receive services sent by the N second terminals Any or all types of services in the unicast type, multicast type, broadcast type, and security-based service type can be specifically set according to the service requirements of the terminal.
  • the first quantity threshold is one of multiple HARQ process quantity thresholds
  • the first priority threshold is a priority threshold corresponding to the first quantity threshold among the multiple priority thresholds.
  • the first terminal in order to set multiple HARQ process quantity thresholds and corresponding service priority thresholds according to different occupancy conditions of the HARQ process of the first terminal, so that the first terminal can select according to the current HARQ process status Receive the business of the corresponding priority.
  • the corresponding priority threshold may be lower, that is, the priority is higher, so that when the number of remaining HARQ processes is small, the first terminal selects to receive higher priority services. Reduce the probability that the HARQ process is fully occupied.
  • the first terminal is set with a quantity threshold A and a corresponding priority threshold C, as well as a quantity threshold B and a corresponding priority threshold D, where the quantity threshold B is greater than the quantity threshold A, and the priority threshold D is lower than the priority threshold.
  • Level threshold C in the case that the number of HARQ processes occupied by the first terminal is greater than or equal to the number threshold A, the priority of the first terminal to choose to receive transmissions from the N second terminals is higher than or equal to lower than
  • the priority of the first terminal to choose to receive transmissions from the N second terminals is higher than or equal to lower than
  • the priority threshold D when the number of occupied HARQ processes is larger, the first terminal selects to receive a service with a higher priority.
  • the first service is the N All services sent by a second terminal to the first terminal.
  • the number of HARQ processes occupied by the first terminal is less than or equal to the first number threshold, that is, the number of HARQ processes occupied by the first terminal is small, so that the first terminal has enough free space.
  • the HARQ process receives the services sent by the N second terminals. At this time, the probability that the HARQ process of the first terminal is fully occupied is low.
  • the data sent by the N second terminals to the first terminal may be received All services, avoiding the problem of missing some important information or lowering resource utilization due to not receiving the services sent by the N second terminals when conditions permit.
  • the method further includes:
  • the first terminal when the first terminal selects to receive services that meet specific conditions among the services sent by the N second terminals, it may further send related notification messages to the N second terminals so that the N The second terminal may adjust subsequent service sending rules according to the notification message, so as to improve service transmission efficiency and channel resource utilization.
  • the first terminal may send a Media Access Control (MAC) control element (CE) or radio resource control (Radio Resource Control, RRC) signaling of Sidelink to the N second terminals Send notification message.
  • MAC Media Access Control
  • CE control element
  • RRC Radio Resource Control
  • the first terminal when it starts to choose to receive the services sent by the N second terminals, it may send a first notification message to the N second terminals to pass the first notification
  • the message notifies the N second terminals that the services sent by the N second terminals may be rejected, and the N second terminals can adjust the subsequent services sent based on the notification message, such as no longer sending services that have the possibility of being rejected , Of course, it is not necessary to make adjustments.
  • the first notification message may include at least one of the following:
  • the selective reception indication may be used to notify the N second terminals that the first terminal is currently selectively receiving services, wherein the selective reception indication may also include the priority of the first terminal to selectively receive services Level threshold or service type. In this way, the N second terminals can learn the priority threshold or service type of the selective reception service based on the selective reception indication, and adjust the service to be sent subsequently, such as no longer sending and rejected The possibility of business, of course, can not be adjusted.
  • the identifier may be a unique identifier for identifying the identity of the terminal, such as an ID number, and the identifier of the at least one second terminal may include the first terminal of the N second terminals that is selected to receive its service.
  • the identification of the second terminal may also include the identification of the second terminal selected not to receive its service by the first terminal among the N second terminals. In this way, the N second terminals may be based on the first terminal.
  • the identifier of the second terminal carried in the notification message knows whether the first terminal will receive the service sent by it.
  • the first terminal when it determines not to receive a certain service sent by the N second terminals, it may send a second notification message to the N second terminals to pass the second
  • the notification message notifies the N second terminals of the second service that the first terminal does not receive.
  • the N second terminals may adjust not to repeatedly send the second service to the first terminal. Business to save channel resources and improve channel resource utilization.
  • the second notification message may include at least one of the following:
  • the identity of the second service the identity of the first terminal, and the identity of at least one second terminal.
  • the service identifier can be a direct communication link radio bearer ID (Sidelink radio bear ID, SLRB ID), a logical channel ID (logic channel ID, LCID), etc., Used to distinguish different services, so that by indicating the identifier of the second service that is not received in the second notification message, the N second terminals can be made aware of the specific services that the first terminal no longer receives, and then It can be adjusted that the service will not be sent to the first terminal in the future.
  • the identifier of the at least one second terminal may be the identifier of the second terminal that has the second service among the N second terminals. In this way, the at least one second terminal can adjust and no longer report to the first terminal. The terminal sends the second service.
  • a third notification message may be sent to the N second terminals to pass the third notification
  • the message notifies the N second terminals to release the third service being transmitted, such as notifying the N second terminals to release the service with a lower priority (for example, the priority is lower than the priority threshold) being transmitted, so as to release
  • the first terminal has more HARQ processes.
  • the third notification message may include at least one of the following:
  • the identity of the third service the priority threshold, the identity of the first terminal, and the identity of at least one second terminal.
  • the N second terminals can release the previously established SLRBs used to transmit the third service, so as to release all of them accordingly. Part of the HARQ process of the first terminal.
  • the priority threshold may be a priority threshold indicating the service currently received by the first terminal. Through the priority threshold, the N second terminals can learn that the priority of the current transmission that needs to be released is lower than the priority threshold Business.
  • the identifier of the at least one second terminal may be the identifier of the second terminal that has the third service to be released among the N second terminals, so that the at least one second terminal can release the The third service transmitted by the first terminal.
  • first notification message, second notification message, and third notification message may be sent to some or all of the N second terminals, and the content of the notification message sent for different second terminals may be Same or different.
  • the method further includes:
  • a HARQ process status notification message is sent to N second terminals, the HARQ process status notification message Used to notify the HARQ process status.
  • the HARQ process status notification message may be sent to the N second terminals, where the first terminal 2.
  • the quantity threshold may be the same as or different from the first quantity threshold.
  • the HARQ process status notification message may include the HARQ process status information of the first terminal, such as carrying the HARQ currently occupied by the first terminal.
  • the number of processes, or the message that the number of HARQ processes currently occupied by the first terminal is greater than or equal to the second number threshold.
  • the first terminal may send the HARQ process status notification message to the N second terminals through MAC CE or RRC signaling of Sidelink.
  • the N second terminals can learn the HARQ process status of the first terminal based on the HARQ process status notification message, so that the N second terminals can start to selectively send services to the first terminal, such as The higher importance services are sent preferentially, which reduces the probability that the HARQ process of the first terminal is fully occupied while saving channel resources.
  • the above-mentioned second quantity threshold may also be configured through dedicated signaling configuration, broadcast signaling configuration, pre-configuration or protocol agreement, and the specific configuration method may refer to the configuration method of the first quantity threshold.
  • the above-mentioned first quantity threshold may be equal to or not equal to the above-mentioned first quantity threshold.
  • the second number threshold may be less than the first number threshold, that is, when the number of HARQ processes occupied by the first terminal is greater than or equal to the second number threshold, the The second terminal sends a HARQ process status notification message, so that the N second terminals selectively send services to the first terminal, and the number of HARQ processes occupied by the first terminal is further greater than or equal to the first number
  • the first terminal may selectively receive services sent by the N second terminals.
  • the foregoing HARQ process status notification message may be periodically sent by the first terminal, that is, the HARQ process status notification message is sent to the second terminal in a certain period, so that the N second terminals can be timely
  • the HARQ process status of the first terminal is acquired; or the HARQ process status notification message may be triggered by the first terminal event.
  • the number of HARQ processes occupied by the first terminal is further greater than or equal to the first terminal.
  • the HARQ process status notification message is sent to the second terminal only when the number is limited.
  • the first service is: the service selected by the N second terminals to send according to the HARQ process status; or
  • the first service is: the service selected by the first terminal according to the HARQ process status, and the service selected among the services to be sent by the N second terminals according to the HARQ process status.
  • the first service may be a service selected and sent by the N second terminals according to the HARQ process status, or It is the service selected by the first terminal according to the HARQ process status, among the services selected and sent by the N second terminals according to the HARQ process status.
  • the first terminal may send a HARQ process status notification message to the N second terminals, thereby According to the HARQ process status, the N second terminals select and send the first service that meets specific conditions to the first terminal, such as selecting and sending a service with a priority higher than or equal to a priority threshold, or selecting and sending a service of a preset type A service or a service sent by selecting a preset role, etc., and then the first terminal receives the first service selected and sent to it by the N second terminals.
  • the first terminal may further select a specific service from the services selected and sent by the N second terminals according to the HARQ process status, for example, the number of HARQ processes occupied by the first terminal is further In the case of increasing (for example, greater than or equal to the first number threshold), a service with a higher priority may be further selected from the services selected to be sent by the N second terminals.
  • the service selected by the N second terminals to send according to the HARQ process status may include:
  • the N second terminals send services with a priority higher than or equal to a fourth priority threshold to the first terminal according to the HARQ process status, where the fourth priority threshold may be the same as the first priority threshold.
  • the priority thresholds are the same or different, and the fourth priority threshold can also be configured through dedicated signaling, broadcast signaling, pre-configuration, or protocol agreement.
  • the specific configuration method please refer to the configuration method of the first quantity threshold. .
  • the fourth priority threshold may be greater than or equal to the first priority threshold, that is, when the number of HARQ processes occupied by the first terminal is greater than or equal to the second number threshold,
  • the HARQ process status notification message may be sent to the first terminal, so that the N second terminals send services with a priority lower than the fourth priority threshold to the first terminal.
  • the first terminal may further select from the services sent by the N second terminals with priorities lower than the fourth priority threshold Receiving the service whose priority is lower than the first priority threshold.
  • the first terminal receives the first service according to the HARQ process status of the first terminal.
  • the probability that the HARQ process of the terminal is fully occupied can be reduced, thereby improving the service transmission capability of the terminal.
  • FIG. 3 is a flowchart of a service sending method provided by an embodiment of the present disclosure. As shown in FIG. 3, it includes the following steps:
  • the second terminal receives a HARQ process status notification message sent by the first terminal, where the HARQ process status notification message is used to notify the HARQ process status;
  • the above-mentioned second terminal may be any sending terminal in the through link Sidelink
  • the above-mentioned first terminal may be a receiving terminal in the through link Sidelink.
  • the HARQ process status notification message may be generated based on the HARQ process status of the first terminal, and the HARQ process status notification message may include the HARQ process status information of the first terminal, such as carrying the current state of the first terminal.
  • the number of occupied HARQ processes, or a message carrying the number of HARQ processes currently occupied by the first terminal is greater than or equal to a certain threshold.
  • the HARQ process status notification message may be sent periodically by the first terminal or triggered by an event.
  • the first terminal may send a HARQ process status notification message to the second terminal every fixed period to notify the second terminal of its current HARQ process status, or it may also pass a certain Event to trigger the first terminal to send the HARQ process status notification message to the second terminal.
  • the HARQ process status can be triggered by the event that the number of HARQ processes occupied by the first terminal reaches a certain threshold
  • the notification message for example, when the number of HARQ processes occupied by the first terminal reaches a preset threshold number, the HARQ process status notification message is sent to the second terminal.
  • the first terminal may send the HARQ process status notification message to the N second terminals through MAC CE or RRC signaling of Sidelink.
  • the second terminal when the second terminal receives the HARQ process status notification message sent by the first terminal, it can choose to send the service according to the HARQ process status, that is, it can choose to send the service to the first terminal. Send all or part of the service, or choose not to send the service to the first terminal. For example, it may indicate in the HARQ process status notification message that the number of HARQ processes occupied by the first terminal reaches a certain value, choose to send higher priority services, preset types of services, or no services to the first terminal, and indicate in the HARQ process status notification message that the number of HARQ processes occupied by the first terminal is less than a certain value In the case of, all services may be sent to the first terminal.
  • the foregoing HARQ process status notification message may refer to the HARQ process status notification message in the embodiment shown in FIG. 2.
  • the above steps can prevent the second terminal from sending all services to the first terminal in any HARQ process state, which may cause the HARQ process of the first terminal to be easily occupied.
  • the problem is that by sending services according to the HARQ process status of the first terminal, the probability that the HARQ process of the first terminal is fully occupied can be reduced, thereby improving the service transmission efficiency and resource utilization of the terminal.
  • the HARQ process status notification message includes at least one of the following item:
  • An indication of whether the number of HARQ processes occupied by the first terminal is greater than or equal to a first number threshold, a first priority threshold, an identification of the first terminal, and an identification of at least one second terminal.
  • the first terminal may send to the second terminal the information including the occupation of the first terminal
  • the HARQ process status notification message is one or more of an indication that the number of HARQ processes is greater than or equal to the first number threshold, the first priority threshold, the identification of the first terminal, and the identification of the at least one second terminal.
  • an indication of whether the number of HARQ processes occupied by the first terminal is greater than or equal to a first number threshold can enable the second terminal to know the HARQ process status currently occupied by the first terminal;
  • a priority threshold can be used to indicate the priority threshold of the service currently received by the first terminal, so that the second terminal can choose to send to it a service with a priority higher than or equal to the first priority threshold to save Channel resources;
  • the identity of the first terminal is used to indicate the identity of the first terminal, and the identity of the at least one second terminal may include the identity of the second terminal selected and received by the first terminal, or it may be Including the identification of the second terminal that the first terminal refuses to receive, through which the second terminal can confirm whether the first terminal will receive the service sent by it, and thus can decide whether to send to the first terminal business.
  • the HARQ process status notification message is also used to notify the second terminal to release the service being transmitted, wherein the HARQ process status notification message includes the identifier of the service being released;
  • the method also includes:
  • the second terminal receives a release notification message sent by the first terminal, and the release notification message notifies the second terminal to release the service being transmitted.
  • the first terminal may also notify the second terminal to release the service being transmitted, specifically by
  • the process status notification message carries an identifier for releasing the service being transmitted to notify the second terminal to release the service corresponding to the identifier being transmitted, or to notify the second terminal by sending a release notification message to the second terminal Release the service being transmitted, such as releasing a service with a lower priority, a service of a non-predetermined type, etc., so that the second terminal can release the service being transmitted to release part of the HARQ process of the first terminal.
  • the release notification message may be the same as the third notification message in the method embodiment shown in FIG. 2.
  • the release notification message includes:
  • the release notification message may include one or more of the identification of the service that is being released, the priority threshold, the identification of the first terminal, and the identification of at least one second terminal.
  • the identifier for releasing the service being transmitted may be the same as the identifier of the third service in the method embodiment shown in FIG. 2.
  • all or part of the services sent to the first terminal include at least one of the following:
  • the service sent by the preset role includes at least one of the following:
  • the priority is higher than or equal to the second priority threshold
  • the priority is higher than or equal to the third priority threshold.
  • the first role includes a group header in multicast
  • the second role includes members other than the group header in the multicast
  • the third priority threshold is less than or equal to The second priority threshold
  • the first role includes a vehicle terminal
  • the second role includes a non-vehicle terminal
  • the third priority threshold is less than or equal to the second priority threshold
  • the preset type includes at least one of the following:
  • Unicast type Unicast type, multicast type, broadcast type and security-based service type.
  • the first quantity threshold is one of multiple HARQ process quantity thresholds
  • the first priority threshold is a priority threshold corresponding to the first quantity threshold among the multiple priority thresholds.
  • the second terminal reports to the first terminal All business.
  • the second terminal receives the HARQ process status notification message sent by the first terminal.
  • the HARQ process status notification message is used to notify the HARQ process status; and sends all data to the first terminal according to the HARQ process status. Either part of the service, or not sending the service to the first terminal. In this way, by sending the service according to the HARQ process status of the first terminal, the probability that the HARQ process of the first terminal is fully occupied can be reduced, thereby improving the service transmission capability between the terminals.
  • the terminal taking the direct link of NR, the terminal is the UE, the lower the priority value, the higher the priority as an example, the specific implementation manner of the embodiment of the present disclosure will be described as an example:
  • This embodiment mainly describes that the first terminal selectively receives services sent by the second terminal according to its HARQ process status.
  • UE1 is a receiving terminal, and UE2 and UE3 are transmitting terminals;
  • UE2 and UE3 send services to UE1, and when the number of HARQ processes received by UE1 reaches the first number threshold, for example, the first number threshold is 2, UE1 starts selective reception;
  • the service UE1 with the priority value lower than the first priority threshold will receive, and the service UE1 with the priority value higher than the first priority threshold will refuse to receive;
  • UE1 refuses to receive the service of UE3, notify UE3 that the service is rejected;
  • UE1 can also continue to receive services sent by UE2 and UE3 normally.
  • This embodiment mainly describes that the first terminal notifies the second terminal of the HARQ process status of the first terminal, and the second terminal selectively sends services to the first terminal according to the HARQ process status of the first terminal.
  • UE1 is a receiving terminal, and UE2 and UE3 are transmitting terminals;
  • UE2 and UE3 send services to UE1.
  • the first number threshold for example, the first number threshold is 2, UE1 sends a notification message that the number of HARQ processes has reached the first number threshold to UE2 and UE3;
  • UE2 and UE3 can only send services with a priority value lower than the first priority threshold to UE1;
  • UE1 can also notify UE2 and UE3 that the number of HARQ processes is less than the first number threshold, so that UE2 and UE3 can normally send services to UE1, that is, all services can be sent.
  • This embodiment mainly describes that the first terminal and the second terminal selectively transmit services according to the HARQ process status of the first terminal.
  • UE1 is a receiving terminal, and UE2 and UE3 are transmitting terminals;
  • UE2 and UE3 send services to UE1.
  • the second number threshold for example, the second number threshold is 2, UE1 sends a notification message that the number of HARQ processes has reached the second number threshold to UE2 and UE3;
  • UE2 and UE3 can only send services with a priority value lower than the second priority threshold to UE1;
  • the third number threshold is 4, UE1 starts selective reception;
  • the third priority threshold is 2, only service UE1 with a priority value lower than the third priority threshold will receive, and service UE1 with a priority value higher than the third priority threshold will refuse to receive;
  • UE3 is notified that the service is rejected.
  • FIG. 7 is a structural diagram of a terminal provided by an embodiment of the present disclosure.
  • the terminal is the first terminal.
  • the terminal 700 includes:
  • the receiving module 701 is configured to receive a first service according to the HARQ process status of the hybrid automatic repeat request of the first terminal, where the first service includes the service selected by the first terminal to receive according to the HARQ process status , And/or, the second terminal selects the service to be sent according to the HARQ process status.
  • the first service is the N second number of the first terminal.
  • the service that satisfies the first condition includes at least one of the following:
  • the service sent by the preset role includes at least one of the following:
  • the priority is higher than or equal to the second priority threshold
  • the priority is higher than or equal to the third priority threshold.
  • the first role includes a group header in multicast
  • the second role includes members other than the group header in the multicast
  • the priority corresponding to the third priority threshold The priority is higher than or equal to the priority corresponding to the second priority threshold
  • the first role includes a vehicle terminal
  • the second role includes a non-vehicle terminal
  • the priority corresponding to the third priority threshold is higher than or equal to the priority corresponding to the second priority threshold.
  • the preset type includes at least one of the following:
  • Unicast type Unicast type, multicast type, broadcast type and security-based service type.
  • the first quantity threshold is one of multiple HARQ process quantity thresholds
  • the first priority threshold is a priority threshold corresponding to the first quantity threshold among the multiple priority thresholds.
  • the terminal 700 further includes:
  • the first notification module 702 is configured to send a first notification message to N second terminals, where the first notification message is used to notify the N second terminals that the service sent by the N second terminals may be rejected, where N is An integer greater than or equal to 1; or
  • the second notification module 703 is configured to send a second notification message to the N second terminals, where the second notification message is used to notify the second service that the first terminal does not receive; or
  • the third notification module 704 is configured to send a third notification message to the N second terminals, where the third notification message is used to notify the N second terminals to release the third service being transmitted.
  • the first notification message includes at least one of the following:
  • the second notification message includes at least one of the following:
  • the identity of the second service the identity of the first terminal, the identity of at least one second terminal;
  • the third notification message includes at least one of the following:
  • the identity of the third service the priority threshold, the identity of the first terminal, and the identity of at least one second terminal.
  • the first service is the N second terminal All services sent by the first terminal.
  • the terminal 700 further includes:
  • the fourth notification module 705 is configured to send a HARQ process status notification message to N second terminals when the HARQ process status indicates that the number of HARQ processes occupied by the first terminal is greater than or equal to a second number threshold
  • the HARQ process status notification message is used to notify the HARQ process status, where N is an integer greater than or equal to 1.
  • the first service is: the service that the N second terminals select to send according to the HARQ process status; or
  • the first service is: the service selected by the first terminal according to the HARQ process status, and the service selected among the services to be sent by the N second terminals according to the HARQ process status.
  • the selection of the service to be sent by the N second terminals according to the HARQ process status includes:
  • the first number threshold is configured in the following manner:
  • the first number threshold is a configured specific number threshold, or the first number threshold is determined according to the relationship between the configured number threshold and the maximum number of HARQ processes supported by the first terminal The threshold value.
  • the first terminal provided by the embodiment of the present disclosure can implement each process in the method embodiment shown in FIG. 2 and can achieve the same beneficial effects. To avoid repetition, details are not repeated here.
  • FIG. 10 is a structural diagram of a terminal provided by an embodiment of the present disclosure.
  • the terminal is a second terminal.
  • the terminal 1000 includes:
  • the first receiving module 1001 is configured to receive a HARQ process status notification message sent by a first terminal, where the HARQ process status notification message is used to notify the HARQ process status;
  • the sending module 1002 is configured to send all or part of the service to the first terminal according to the HARQ process status, or not to send the service to the first terminal.
  • the HARQ process status notification message includes at least one of the following:
  • An indication that the number of HARQ processes occupied by the first terminal is greater than or equal to a first number threshold, a first priority threshold, an identification of the first terminal, and an identification of at least one second terminal.
  • the HARQ process status notification message is also used to notify the second terminal to release the service being transmitted, wherein the HARQ process status notification message includes the identifier of the service being released;
  • the terminal 1000 further includes:
  • the second receiving module 1003 is configured to receive a release notification message sent by the first terminal, where the release notification message notifies the second terminal to release the service being transmitted.
  • the release notification message includes:
  • all or part of the services sent to the first terminal include at least one of the following:
  • the service sent by the preset role includes at least one of the following:
  • the priority is higher than or equal to the second priority threshold
  • the priority is higher than or equal to the third priority threshold.
  • the first role includes a group header in multicast
  • the second role includes members other than the group header in the multicast
  • the priority corresponding to the third priority threshold The priority is higher than or equal to the priority corresponding to the second priority threshold
  • the first role includes a vehicle terminal
  • the second role includes a non-vehicle terminal
  • the priority corresponding to the third priority threshold is higher than or equal to the priority corresponding to the second priority threshold.
  • the preset type includes at least one of the following:
  • Unicast type Unicast type, multicast type, broadcast type and security-based service type.
  • the first quantity threshold is one of multiple HARQ process quantity thresholds
  • the first priority threshold is a priority threshold corresponding to the first quantity threshold among the multiple priority thresholds.
  • the HARQ process status notification message is sent by the first terminal periodically or triggered by an event.
  • the second terminal when the HARQ process status indicates that the number of HARQ processes occupied by the first terminal is less than or equal to a first number threshold, the second terminal provides all services to the first terminal.
  • the first terminal provided in the embodiment of the present disclosure can implement each process in the method embodiment shown in FIG. 3, and can achieve the same beneficial effects. To avoid repetition, it will not be repeated here.
  • FIG. 12 is a structural diagram of another terminal provided by an embodiment of the present disclosure.
  • the terminal includes: a transceiver 1210, a memory 1220, a processor 1200, and storage on the memory 1220 And a program that can run on the processor 1200.
  • the terminal is the first terminal, wherein:
  • the transceiver 1210 is configured to receive a first service according to the HARQ process status of the hybrid automatic repeat request of the first terminal, where the first service includes the first terminal selecting and receiving according to the HARQ process status And/or, the second terminal selects the service to send according to the HARQ process status.
  • the transceiver 1210 can be used to receive and send data under the control of the processor 1200.
  • the first service is the N second number of the first terminal.
  • the service that satisfies the first condition includes at least one of the following:
  • the service sent by the preset role includes at least one of the following:
  • the priority is higher than or equal to the second priority threshold
  • the priority is higher than or equal to the third priority threshold.
  • the first role includes a group header in multicast
  • the second role includes members other than the group header in the multicast
  • the third priority threshold is less than or equal to The second priority threshold
  • the first role includes a vehicle terminal
  • the second role includes a non-vehicle terminal
  • the third priority threshold is less than or equal to the second priority threshold
  • the preset type includes at least one of the following:
  • Unicast type Unicast type, multicast type, broadcast type and security-based service type.
  • the first quantity threshold is one of multiple HARQ process quantity thresholds
  • the first priority threshold is a priority threshold corresponding to the first quantity threshold among the multiple priority thresholds.
  • the transceiver 1210 is also used to:
  • the first notification message includes at least one of the following:
  • the second notification message includes at least one of the following:
  • the identity of the second service the identity of the first terminal, the identity of at least one second terminal;
  • the third notification message includes at least one of the following:
  • the identity of the third service the priority threshold, the identity of the first terminal, and the identity of at least one second terminal.
  • the first service is the N second terminal All services sent by the first terminal.
  • the transceiver 1210 is also used to:
  • a HARQ process status notification message is sent to N second terminals, the HARQ process status notification message Used to notify the HARQ process status, where N is an integer greater than or equal to 1.
  • the first service is: the service selected by the N second terminals to send according to the HARQ process status; or
  • the first service is: the service selected by the first terminal according to the HARQ process status, and the service selected among the services to be sent by the N second terminals according to the HARQ process status.
  • the selection of the service to be sent by the N second terminals according to the HARQ process status includes:
  • the first number threshold is configured in the following manner:
  • the first number threshold is a configured specific number threshold, or the first number threshold is determined according to the relationship between the configured number threshold and the maximum number of HARQ processes supported by the first terminal The threshold value.
  • the terminal is a second terminal, where:
  • the transceiver 1210 is configured to receive a HARQ process status notification message sent by a first terminal, where the HARQ process status notification message is used to notify the HARQ process status;
  • the transceiver 1210 is further configured to send all or part of the service to the first terminal according to the HARQ process status, or not to send the service to the first terminal.
  • the HARQ process status notification message includes at least one of the following:
  • An indication that the number of HARQ processes occupied by the first terminal is greater than or equal to a first number threshold, a first priority threshold, an identification of the first terminal, and an identification of at least one second terminal.
  • the HARQ process status notification message is also used to notify the second terminal to release the service being transmitted, wherein the HARQ process status notification message includes the identifier of the service being released;
  • the transceiver 1210 is also used for:
  • the release notification message includes:
  • all or part of the services sent to the first terminal include at least one of the following:
  • the service sent by the preset role includes at least one of the following:
  • the priority is higher than or equal to the second priority threshold
  • the priority is higher than or equal to the third priority threshold.
  • the first role includes a group header in multicast
  • the second role includes members other than the group header in the multicast
  • the priority corresponding to the third priority threshold The priority is higher than or equal to the priority corresponding to the second priority threshold
  • the first role includes a vehicle terminal
  • the second role includes a non-vehicle terminal
  • the priority corresponding to the third priority threshold is higher than or equal to the priority corresponding to the second priority threshold.
  • the preset type includes at least one of the following:
  • Unicast type Unicast type, multicast type, broadcast type and security-based service type.
  • the first quantity threshold is one of multiple HARQ process quantity thresholds
  • the first priority threshold is a priority threshold corresponding to the first quantity threshold among the multiple priority thresholds.
  • the HARQ process status notification message is sent by the first terminal periodically or triggered by an event.
  • the second terminal when the HARQ process status indicates that the number of HARQ processes occupied by the first terminal is less than or equal to a first number threshold, the second terminal provides all services to the first terminal.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 1200 and various circuits of the memory represented by the memory 1320 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 1210 may be a plurality of elements, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
  • the processor 1200 is responsible for managing the bus architecture and general processing, and the memory 1220 can store data used by the processor 1200 when performing operations.
  • the memory 1220 is not limited to being only on the first terminal, and the memory 1220 and the processor 1200 may be separated in different geographic locations.
  • first terminal in this embodiment may be the first terminal in any implementation manner in the method embodiments of the embodiments of the present disclosure
  • any implementation manner of the first terminal in the method embodiments in the embodiments of the present disclosure may be It can be implemented by the above-mentioned first terminal in this embodiment, and achieve the same beneficial effects
  • the above-mentioned second terminal in this embodiment may be the second terminal in any implementation manner in the method embodiment in the embodiment of the present disclosure.
  • Any implementation manner of the second terminal in the method embodiment in the disclosed embodiment can be implemented by the above-mentioned second terminal in this embodiment, and achieve the same beneficial effects, which will not be repeated here.
  • the embodiments of the present disclosure also provide a computer-readable storage medium on which a computer program is stored.
  • the program is executed by a processor, the steps in the service receiving method provided by the embodiments of the present disclosure are implemented, or the program is executed by the processor.
  • the steps in the service sending method provided by the embodiments of the present disclosure are realized at the time.
  • the disclosed method and device can be implemented in other ways.
  • the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the functional units in the various embodiments of the present disclosure may be integrated into one processing unit, or each unit may be separately physically included, or two or more units may be integrated into one unit.
  • the above-mentioned integrated unit may be implemented in the form of hardware, or may be implemented in the form of hardware plus software functional units.
  • the above-mentioned integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium.
  • the above-mentioned software functional unit is stored in a storage medium and includes several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute part of the through link transmission method described in each embodiment of the present disclosure step.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disks or optical disks and other media that can store program codes. .
  • the embodiments described in the embodiments of the present disclosure may be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
  • units, modules, sub-units and sub-modules can be implemented in one or more application specific integrated circuits (ASICs), digital signal processors (Digital Signal Processing, DSP), and digital signal processing equipment (DSP Device).
  • ASICs application specific integrated circuits
  • DSP digital signal processors
  • DSP Device digital signal processing equipment
  • DSPD Digital Signal Processing
  • PLD Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • general-purpose processors controllers, microcontrollers, microprocessors, and Disclosure of the described functions in other electronic units or combinations thereof.
  • the technology described in the embodiments of the present disclosure can be implemented through modules (for example, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.

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

Abstract

Selon des modes de réalisation, la présente invention concerne un procédé de réception de service, un procédé d'envoi de service et un terminal. Le procédé comprend l'étape suivante : un premier terminal reçoit un premier service selon un état de processus de demande de répétition automatique hybride (HARQ) du premier terminal, le premier service comprenant des services sélectionnés et reçus par le premier terminal selon l'état de processus de HARQ et/ou des services sélectionnés et envoyés par le deuxième terminal selon l'état de processus de HARQ.
PCT/CN2020/122093 2019-11-07 2020-10-20 Procédé de réception de service, procédé d'envoi de service et terminal WO2021088635A1 (fr)

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CN201911083094.2A CN112787768B (zh) 2019-11-07 2019-11-07 一种业务接收方法、业务发送方法和终端

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102447549A (zh) * 2010-10-09 2012-05-09 普天信息技术研究院有限公司 一种移动通信系统中上行同步混合自动重复请求的方法
CN108809541A (zh) * 2017-05-05 2018-11-13 华为技术有限公司 上行数据的传输方法和装置
WO2019098587A1 (fr) * 2017-11-16 2019-05-23 삼성전자 주식회사 Procédé et appareil de transmission et de réception d'informations de commande dans un système de communication sans fil

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Publication number Priority date Publication date Assignee Title
DE60217097T2 (de) * 2002-08-13 2007-05-10 Matsushita Electric Industrial Co., Ltd., Kadoma Hybrides automatisches Wiederholungsaufforderungsprotokoll
JP5150520B2 (ja) * 2009-01-08 2013-02-20 株式会社エヌ・ティ・ティ・ドコモ 通信装置及び通信方法
EP2858436B1 (fr) * 2012-06-29 2017-11-22 Huawei Technologies Co., Ltd. Procédé et dispositif de programmation de transmission de données en liaison descendante
WO2018112922A1 (fr) * 2016-12-23 2018-06-28 华为技术有限公司 Procédé et dispositif de transmission de données

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Publication number Priority date Publication date Assignee Title
CN102447549A (zh) * 2010-10-09 2012-05-09 普天信息技术研究院有限公司 一种移动通信系统中上行同步混合自动重复请求的方法
CN108809541A (zh) * 2017-05-05 2018-11-13 华为技术有限公司 上行数据的传输方法和装置
WO2019098587A1 (fr) * 2017-11-16 2019-05-23 삼성전자 주식회사 Procédé et appareil de transmission et de réception d'informations de commande dans un système de communication sans fil

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