WO2024092427A1 - 一种激活状态确定方法/装置/设备及存储介质 - Google Patents

一种激活状态确定方法/装置/设备及存储介质 Download PDF

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Publication number
WO2024092427A1
WO2024092427A1 PCT/CN2022/128696 CN2022128696W WO2024092427A1 WO 2024092427 A1 WO2024092427 A1 WO 2024092427A1 CN 2022128696 W CN2022128696 W CN 2022128696W WO 2024092427 A1 WO2024092427 A1 WO 2024092427A1
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Prior art keywords
relay
message
remote
specific process
present disclosure
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PCT/CN2022/128696
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English (en)
French (fr)
Inventor
杨星
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北京小米移动软件有限公司
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Priority to PCT/CN2022/128696 priority Critical patent/WO2024092427A1/zh
Publication of WO2024092427A1 publication Critical patent/WO2024092427A1/zh

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    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to an activation state determination method/device/equipment and a storage medium.
  • direct communication between user equipment (UE) is achieved by introducing the sidelink (SL) communication method.
  • the discontinuous reception (DRX) of SL is introduced, that is, the receiving UE only monitors the second-stage SCI (sidelink control information) on the logical channel in the activated state.
  • the UE may not directly communicate with the base station, but communicate with the base station through the relay of another UE.
  • the UE that is not connected to the base station is called the remote UE
  • the UE that provides the relay function is called the relay UE
  • the remote UE and the relay UE can communicate through SL unicast.
  • a remote UE in an idle state can send a Radio Resource Control (RRC) establishment request message to a relay UE, so that the relay UE forwards the RRC establishment request message to the base station, and forwards the RRC establishment message sent by the base station to the remote UE.
  • RRC Radio Resource Control
  • the remote UE When the remote UE completes the connection establishment process, it will also send an RRC connection establishment completion message to the relay UE, and the relay UE will forward the RRC connection establishment completion message to the base station to notify the base station that the connection establishment process is completed; and a remote UE in an inactive state can send an RRC recovery request message to the relay UE, so that the relay UE forwards the RRC recovery request message to the base station, and forwards the RRC recovery request message sent by the base station to the remote UE. The RRC recovery message sent is forwarded to the remote UE.
  • the remote UE When the remote UE completes the connection recovery process, it will also send an RRC connection recovery completion message to the relay UE, and the relay UE will forward the RRC connection recovery completion message to the base station to notify the base station that the connection recovery process is completed; and, when a connection failure occurs in the remote UE, an RRC reconstruction request message can be sent to the relay UE, so that the relay UE forwards the RRC reconstruction request message to the base station, and forwards the RRC reconstruction message sent by the base station to the remote UE.
  • the remote UE When the remote UE completes the connection reconstruction process, it will also send an RRC connection reconstruction completion message to the relay UE, and the relay UE will forward the RRC connection reconstruction completion message to the base station to notify the base station that the connection reconstruction process is completed.
  • the relay UE may enter the SL DRX sleep state, that is, the establishment/recovery/reestablishment process has not been completed, and the relay UE may enter the SL DRX sleep state, and thus cannot receive the RRC connection establishment/recovery/reestablishment completion message forwarded by the remote UE, which will cause the connection establishment/connection recovery/connection reconstruction process to be delayed, thereby affecting the communication stability of the SL.
  • the activation state determination method/device/equipment and storage medium proposed in the present disclosure are used to solve the technical problem that the methods in the related art affect the communication stability of the SL.
  • an embodiment of the present disclosure provides an activation state determination method, which is executed by a remote UE and includes:
  • the relay UE In response to receiving a first message sent by a remote UE, the relay UE enters an activated state to monitor a side link SL between the remote UE and the relay UE; the first message is used to request a specific process or is transmitted through a first transmission mode;
  • the relay UE stops being activated; the specific condition includes any one of the following: a specific process is completed, a specific process is refused to be executed, the relay UE transmits a message through a first transmission mode, and the relay UE transmits a message through a second transmission mode.
  • the relay UE when the relay UE receives a first message sent by the remote UE for requesting a specific process or transmitting through the first transmission mode, it means that the remote UE has requested a specific process from the relay UE; when the relay UE transmits the message through the first transmission mode, it means that the specific process requested by the remote UE is rejected for execution; when the relay UE transmits the message through the second transmission mode, it means that the specific process requested by the remote UE is completed. It can be seen that in the present disclosure, when the remote UE requests a specific process, the relay UE will enter the activated state, and when the specific process requested by the remote UE is completed or rejected for execution, the relay UE will stop the activated state.
  • the relay UE is in the activated state throughout the process of the remote UE requesting a specific process, avoiding the situation of "the specific process requested by the remote UE has not been completed, and the relay UE has entered the SL DRX sleep state", thereby ensuring the timely execution of the specific process requested by the remote UE, avoiding the delay of the specific process, and ensuring the communication stability of the SL.
  • the specific process includes at least one of the following:
  • the relay UE enters an activated state, including:
  • the relay UE After receiving the first message, the relay UE immediately enters an activated state.
  • the relay UE enters an activated state, including:
  • the relay UE In response to the timer expiring, the relay UE enters an active state.
  • the method further includes:
  • the receiving network device configures the timing duration for the timer.
  • the relay UE deactivates, including any of the following:
  • the relay UE In response to the relay UE receiving a second message sent by the remote UE, the relay UE stops the activation state;
  • the relay UE In response to the relay UE sending a third message to the remote UE, the relay UE stops the activation state.
  • the second message is transmitted via a second transmission mode or is used to indicate completion of execution of the specific process.
  • the third message is transmitted via the first transmission mode or is used to indicate that the specific process is refused to be executed.
  • the first transmission mode includes at least one of the following:
  • the RLC transmission is controlled via the first radio link.
  • the second transmission mode includes at least one of the following:
  • the first message for requesting a specific process includes at least one of the following:
  • the second message used to indicate that the specific process is completed includes at least one of the following:
  • the third message used to indicate that the specific process is rejected for execution includes an RRC rejection message.
  • the first bearer includes a signaling radio bearer SRB0; the first RLC includes SL-RLC0.
  • the second bearer includes SRB1; the second RLC includes SL-RLC1.
  • an embodiment of the present disclosure provides an activation state determination method, which is executed by a relay UE and includes:
  • an embodiment of the present disclosure provides a communication device, which is configured in a relay UE, including:
  • a processing module configured to, in response to receiving a first message sent by a remote UE, cause the relay UE to enter an activated state to monitor a side link SL between the remote UE and the relay UE; the first message is used to request a specific process or to be transmitted through a first transmission mode;
  • the processing module is also used to stop the activation state of the relay UE in response to meeting specific conditions; the specific conditions include completion of a specific process, rejection of execution of a specific process, transmission of a message by the relay UE through a first transmission method, and transmission of a message by the relay UE through a second transmission method.
  • an embodiment of the present disclosure provides a communication device, which is configured in a network device, including:
  • the transceiver module is used to configure the timing duration of the timer for the relay UE.
  • an embodiment of the present disclosure provides a communication device, which includes a processor.
  • the processor calls a computer program in a memory, the method described in the first aspect is executed.
  • an embodiment of the present disclosure provides a communication device, which includes a processor.
  • the processor calls a computer program in a memory, the method described in the second aspect is executed.
  • an embodiment of the present disclosure provides a communication device, which includes a processor and a memory, in which a computer program is stored; the processor executes the computer program stored in the memory so that the communication device executes the method described in the first aspect above.
  • an embodiment of the present disclosure provides a communication device, which includes a processor and a memory, in which a computer program is stored; the processor executes the computer program stored in the memory so that the communication device executes the method described in the second aspect above.
  • an embodiment of the present disclosure provides a communication device, which includes a processor and an interface circuit, wherein the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to enable the device to execute the method described in the first aspect above.
  • an embodiment of the present disclosure provides a communication device, which includes a processor and an interface circuit, wherein the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to enable the device to execute the method described in the second aspect above.
  • an embodiment of the present disclosure provides a communication system, which includes the communication device described in the third aspect to the communication device described in the fourth aspect, or the system includes the communication device described in the fifth aspect to the communication device described in the sixth aspect, or the system includes the communication device described in the seventh aspect to the communication device described in the eighth aspect, or the system includes the communication device described in the ninth aspect to the communication device described in the tenth aspect.
  • an embodiment of the present invention provides a computer-readable storage medium for storing instructions used for the above-mentioned network device.
  • the terminal device executes the method described in any one of the above-mentioned first to second aspects.
  • the present disclosure further provides a computer program product comprising a computer program, which, when executed on a computer, enables the computer to execute the method described in any one of the first to second aspects above.
  • the present disclosure provides a chip system, which includes at least one processor and an interface, and is used to support a network device to implement the functions involved in the method described in any one of the first aspect to the second aspect, for example, determining or processing at least one of the data and information involved in the above method.
  • the chip system also includes a memory, and the memory is used to store computer programs and data necessary for the source auxiliary node.
  • the chip system can be composed of a chip, or it can include a chip and other discrete devices.
  • the present disclosure provides a computer program, which, when executed on a computer, enables the computer to execute the method described in any one of the first to second aspects above.
  • FIG1 is a schematic diagram of the architecture of a communication system provided by an embodiment of the present disclosure.
  • FIG2 is a schematic flow chart of an activation state determination method provided by another embodiment of the present disclosure.
  • FIG3 is a flow chart of an activation state determination method provided by yet another embodiment of the present disclosure.
  • FIG4 is a flow chart of an activation state determination method provided by yet another embodiment of the present disclosure.
  • FIG5 is a schematic flow chart of an activation state determination method provided by another embodiment of the present disclosure.
  • FIG6 is a flow chart of an activation state determination method provided by yet another embodiment of the present disclosure.
  • FIG7 is a schematic flow chart of an activation state determination method provided by yet another embodiment of the present disclosure.
  • FIG8 is a schematic diagram of the structure of a communication device provided by an embodiment of the present disclosure.
  • FIG9 is a schematic diagram of the structure of a communication device provided by another embodiment of the present disclosure.
  • FIG10 is a block diagram of a user equipment provided by an embodiment of the present disclosure.
  • FIG. 11 is a block diagram of a network-side device provided by an embodiment of the present disclosure.
  • first, second, third, etc. may be used to describe various information in the disclosed embodiments, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • the words "if” and “if” as used herein may be interpreted as “at” or "when” or "in response to determination".
  • 5G is a new generation of broadband mobile communication technology with the characteristics of high speed, low latency and large connection. It is the network infrastructure for realizing the interconnection between people, machines and things.
  • a link for direct communication between end devices is
  • a UE that does not communicate directly with a base station but communicates with the base station through other UEs.
  • a UE used to implement relay communication between other UEs and a base station.
  • Figure 1 is a schematic diagram of the architecture of a communication system provided by an embodiment of the present disclosure.
  • the communication system may include but is not limited to a network device, a remote terminal device and a relay terminal device.
  • the number and form of devices shown in Figure 1 are only used for example and do not constitute a limitation on the embodiment of the present disclosure. In actual applications, two or more network devices and two or more terminal devices may be included.
  • the communication system shown in Figure 1 includes a network device 11, a remote UE 12, and a relay UE 13 as an example.
  • LTE long term evolution
  • 5G fifth generation
  • NR 5G new radio
  • the network device 11 in the embodiment of the present disclosure is an entity on the network side for transmitting or receiving signals.
  • the network device 11 may be an evolved NodeB (eNB), a transmission reception point (TRP), a next generation NodeB (gNB) in an NR system, a base station in other future mobile communication systems, or an access node in a wireless fidelity (WiFi) system.
  • eNB evolved NodeB
  • TRP transmission reception point
  • gNB next generation NodeB
  • WiFi wireless fidelity
  • the embodiment of the present disclosure does not limit the specific technology and specific device form adopted by the network device.
  • the network device provided in the embodiment of the present disclosure may be composed of a central unit (CU) and a distributed unit (DU), wherein the CU may also be referred to as a control unit.
  • CU central unit
  • DU distributed unit
  • the CU-DU structure may be used to split the protocol layer of the network device, such as a base station, and the functions of some protocol layers are placed in the CU for centralized control, and the functions of the remaining part or all of the protocol layers are distributed in the DU, and the DU is centrally controlled by the CU.
  • the remote UE12 and the relay UE13 in the disclosed embodiment may be an entity on the user side for receiving or transmitting signals, such as a mobile phone.
  • the terminal device may also be referred to as a terminal device (terminal), a user equipment (UE), a mobile station (MS), a mobile terminal device (MT), etc.
  • the terminal device may be a car with communication function, a smart car, a mobile phone (mobile phone), a wearable device, a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control (industrial control), a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in smart grid (smart grid), a wireless terminal device in transportation safety (transportation safety), a wireless terminal device in a smart city (smart city), a wireless terminal device in a smart home (smart home), etc.
  • the embodiments of the present disclosure do not limit the specific technology and specific device form adopted by the terminal device.
  • the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution provided by the embodiment of the present disclosure.
  • a person skilled in the art can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution provided by the embodiment of the present disclosure is also applicable to similar technical problems.
  • FIG. 2 is a flow chart of an activation state determination method provided by an embodiment of the present disclosure. The method is executed by a relay UE. As shown in FIG. 2 , the activation state determination method may include the following steps:
  • Step 201 In response to receiving a first message sent by a remote UE, the relay UE enters an activated state to monitor a sidelink (SL) between the remote UE and the relay UE.
  • SL sidelink
  • the first message may be a message for requesting a specific process or a message transmitted through a first transmission mode.
  • the above-mentioned specific process may be at least one of the following:
  • the first message for requesting a specific process may include at least one of the following:
  • the first transmission mode may include at least one of the following:
  • Radio Link Control RLC
  • the first bearer may include a signaling radio bearer (SRB) 0; the first RLC may include SL-RLC0; the specific logical channel may be any one logical channel or any several logical channels, and the specific logical channel may be predetermined based on a protocol.
  • SRB signaling radio bearer
  • the relay UE if the message it receives from the remote UE is the above-mentioned first message for requesting a specific process, the relay UE can know the content and purpose of the first message, and the relay UE can directly determine that the remote UE has requested a specific process based on the first message; and, if the message received by the relay UE from the remote UE is the above-mentioned first message transmitted via the first transmission method, the relay UE cannot know the content and purpose of the first message at this time, and the relay UE can only determine the content and purpose of the first message through the transmission method of the first message.
  • the transmission method of the first message when the transmission method of the first message is the above-mentioned first transmission method, it means that the remote UE has requested a specific process.
  • the relay UE when the relay UE receives a first message sent by the remote UE to request a specific process or receives a first message sent by the remote UE through a first transmission method, it means that the remote UE has requested a specific process. At this time, the remote UE should forward the first message to the network device (such as a base station), and the relay UE should act as a relay to implement subsequent interaction between the remote UE and the network device, so as to complete the specific process requested by the remote UE. However, due to the discontinuous reception (DRX) mechanism of SL, the relay UE will only monitor the SL between the relay UE and the remote UE in an activated state.
  • DRX discontinuous reception
  • the relay UE when the relay UE receives a first message sent by the remote UE for requesting a specific process or transmitted through a first transmission method, the relay UE should enter an activated state. In the activated state, the relay UE will monitor the SL between the remote UE and the relay UE, thereby ensuring that the relay UE can successfully receive the message sent by the remote UE, and further ensuring that the relay UE can successfully play a relay role between the remote UE and the network device, thereby ensuring that the specific process requested by the remote UE can be successfully carried out.
  • Step 202 In response to a specific condition being met, the relay UE stops being in an activated state.
  • the specific condition may include any of the following:
  • the relay UE transmits the message through the first transmission mode
  • the relay UE transmits the message through the second transmission mode.
  • the relay UE transmits a message through the first transmission mode means: the relay UE transmits a message to the remote UE through the first transmission mode, and when the relay UE transmits a message through the first transmission mode, it means: the specific process requested by the remote UE is rejected.
  • the first transmission mode please refer to the above embodiment description.
  • the relay UE transmits the message through the second transmission mode means: the relay UE receives the message transmitted by the remote UE through the second transmission mode.
  • the second transmission mode may include at least one of the following:
  • the second bearer may include SRB1, and the second RLC may include SL-RLC1; the specific logical channel may be any one logical channel or any several logical channels, and the specific logical channel may be predetermined based on a protocol.
  • the relay UE when the relay UE transmits a message through the second transmission mode, it indicates that the specific process requested by the remote UE is executed.
  • the above “specific conditions” are essentially: when the specific process requested by the remote UE is completed, or the specific process requested by the remote UE is rejected. Therefore, in the present disclosure, mainly when the specific process requested by the remote UE is completed, or the specific process requested by the remote UE is rejected, the relay UE will stop being activated.
  • the start time of the activation state of the remote UE is: when the remote UE requests a specific process; the stop time of the activation state of the remote UE is: when the specific process requested by the remote UE is completed or rejected. Therefore, in the present disclosure, the relay UE will be in an activated state throughout the process of the remote UE requesting a specific process, which can avoid the situation of "the specific process requested by the remote UE has not been completed, and the relay UE has entered the SL DRX sleep state", thereby ensuring the timely execution of the specific process requested by the remote UE, avoiding delays in the specific process, and ensuring the communication stability of the SL.
  • the relay UE in response to the relay UE receiving the first message sent by the remote UE, the relay UE enters the activation state to monitor the SL between the remote UE and the relay UE; the first message is used to request a specific process or transmit through the first transmission mode; in response to meeting a specific condition, the relay UE stops the activation state; the specific condition includes any one of the following: the specific process is completed, the specific process is rejected, the relay UE transmits the message through the first transmission mode, and the relay UE transmits the message through the second transmission mode.
  • the relay UE when the relay UE receives the first message sent by the remote UE for requesting a specific process or transmitting through the first transmission mode, it means that the remote UE has requested a specific process from the relay UE; when the relay UE transmits the message through the first transmission mode, it means that the specific process requested by the remote UE is rejected for execution; when the relay UE transmits the message through the second transmission mode, it means that the specific process requested by the remote UE is completed. It can be seen from this that in the present disclosure, when the remote UE requests a specific process, the relay UE will enter the activation state, and when the specific process requested by the remote UE is completed or rejected for execution, the relay UE will stop the activation state.
  • FIG3 is a flow chart of an activation state determination method provided by an embodiment of the present disclosure. The method is executed by a relay UE. As shown in FIG3 , the activation state determination method may include the following steps:
  • Step 301 In response to receiving a first message sent by a remote UE, the relay UE immediately enters an activated state to monitor a side link SL between the remote UE and the relay UE; the first message is used to request a specific process or to be transmitted via a first transmission mode.
  • the relay UE when the relay UE receives the first message sent by the remote UE, it immediately enters the activated state. It can be understood that the first message triggers the relay UE to enter the activated state.
  • step 301 please refer to the above embodiment description.
  • the relay UE in response to the relay UE receiving the first message sent by the remote UE, the relay UE enters the activation state to monitor the SL between the remote UE and the relay UE; the first message is used to request a specific process or transmit through the first transmission mode; in response to meeting a specific condition, the relay UE stops the activation state; the specific condition includes any one of the following: the specific process is completed, the specific process is rejected, the relay UE transmits the message through the first transmission mode, and the relay UE transmits the message through the second transmission mode.
  • the relay UE when the relay UE receives the first message sent by the remote UE for requesting a specific process or transmitting through the first transmission mode, it means that the remote UE has requested a specific process from the relay UE; when the relay UE transmits the message through the first transmission mode, it means that the specific process requested by the remote UE is rejected for execution; when the relay UE transmits the message through the second transmission mode, it means that the specific process requested by the remote UE is completed. It can be seen from this that in the present disclosure, when the remote UE requests a specific process, the relay UE will enter the activation state, and when the specific process requested by the remote UE is completed or rejected for execution, the relay UE will stop the activation state.
  • FIG. 4 is a flow chart of an activation state determination method provided by an embodiment of the present disclosure. The method is executed by a relay UE. As shown in FIG. 4 , the activation state determination method may include the following steps:
  • Step 401 In response to receiving a first message sent by a remote UE, start a timer.
  • Step 402 In response to the timer expiring, the relay UE enters an activated state.
  • the relay UE enters the activated state in order to monitor the SL between the remote UE and the relay UE to ensure that the relay UE can successfully receive the message sent by the remote UE, so that the relay UE can successfully play a relay role between the remote UE and the network device, and ensure that the specific process requested by the remote UE can be successfully carried out.
  • the relay UE when the relay UE receives the first message sent by the remote UE, the relay UE will first forward the first message to the network device, and receive the response message of the network device to the first message, and then send the response message to the remote UE, and then receive the message returned by the remote UE. It can be seen that after the relay UE receives the first message sent by the remote UE, it does not need to receive the message from the remote UE immediately, but needs to wait for a period of time before receiving the message from the remote UE. Based on this, in one embodiment of the present disclosure, after the relay UE receives the first message sent by the remote UE, it does not need to enter the activated state immediately, but first sets a timer for a period of time.
  • the timing duration of the timer satisfies the following conditions: the timing duration is less than or equal to the shortest interval between two adjacent interactions between the relay UE and the remote UE.
  • the timing duration of the timer may be configured by the network device to the relay UE, such as being configured by the network device to the relay UE via an RRC message.
  • the relay UE in response to the relay UE receiving the first message sent by the remote UE, the relay UE enters the activation state to monitor the SL between the remote UE and the relay UE; the first message is used to request a specific process or transmit through the first transmission mode; in response to meeting a specific condition, the relay UE stops the activation state; the specific condition includes any one of the following: the specific process is completed, the specific process is rejected, the relay UE transmits the message through the first transmission mode, and the relay UE transmits the message through the second transmission mode.
  • the relay UE when the relay UE receives the first message sent by the remote UE for requesting a specific process or transmitting through the first transmission mode, it means that the remote UE has requested a specific process from the relay UE; when the relay UE transmits the message through the first transmission mode, it means that the specific process requested by the remote UE is rejected for execution; when the relay UE transmits the message through the second transmission mode, it means that the specific process requested by the remote UE is completed. It can be seen from this that in the present disclosure, when the remote UE requests a specific process, the relay UE will enter the activation state, and when the specific process requested by the remote UE is completed or rejected for execution, the relay UE will stop the activation state.
  • FIG5 is a flow chart of an activation state determination method provided by an embodiment of the present disclosure. The method is executed by a relay UE. As shown in FIG5 , the activation state determination method may include the following steps:
  • Step 501 In response to the relay UE receiving a second message sent by the remote UE, the relay UE stops being activated.
  • the second message may be a message transmitted via a second transmission method or a message used to indicate completion of execution of a specific process.
  • the second message for indicating the completion of the specific process may include at least one of the following:
  • the second transmission mode may include at least one of the following:
  • the second bearer may include SRB1; the second RLC may include SL-RLC1; the specific logical channel may be any one logical channel or any several logical channels, and the specific logical channel may be predetermined based on a protocol.
  • the relay UE if the message it receives from the remote UE is the above-mentioned second message for indicating the completion of the execution of a specific process, the relay UE can know the content and purpose of the second message, and the relay UE can directly determine that the execution of the specific process requested by the remote UE is completed based on the second message; and, if the message received by the relay UE from the remote UE is the above-mentioned second message transmitted via the second transmission method, the relay UE cannot know the content and purpose of the second message at this time, and the relay UE can only determine the content and purpose of the second message through the transmission method of the second message.
  • the transmission method of the second message when the transmission method of the second message is the above-mentioned second transmission method, it means that the execution of the specific process requested by the remote UE is completed.
  • the relay UE when the relay UE receives a second message sent by the remote UE through the second transmission method or receives a second message sent by the remote UE to indicate that the execution of a specific process is completed, it means that the execution of the specific process requested by the remote UE is completed.
  • the remote UE will forward the second message to the network device (such as a base station) to inform the network device that the execution of the specific process requested by the remote UE is completed, and the relay UE no longer needs to monitor the SL link between it and the remote UE.
  • the relay UE can stop the activation state, thereby saving power consumption.
  • the relay UE in response to the relay UE receiving the first message sent by the remote UE, the relay UE enters the activation state to monitor the SL between the remote UE and the relay UE; the first message is used to request a specific process or transmit through the first transmission mode; in response to meeting a specific condition, the relay UE stops the activation state; the specific condition includes any one of the following: the specific process is completed, the specific process is rejected, the relay UE transmits the message through the first transmission mode, and the relay UE transmits the message through the second transmission mode.
  • the relay UE when the relay UE receives the first message sent by the remote UE for requesting a specific process or transmitting through the first transmission mode, it means that the remote UE has requested a specific process from the relay UE; when the relay UE transmits the message through the first transmission mode, it means that the specific process requested by the remote UE is rejected for execution; when the relay UE transmits the message through the second transmission mode, it means that the specific process requested by the remote UE is completed. It can be seen from this that in the present disclosure, when the remote UE requests a specific process, the relay UE will enter the activation state, and when the specific process requested by the remote UE is completed or rejected for execution, the relay UE will stop the activation state.
  • FIG6 is a flow chart of an activation state determination method provided by an embodiment of the present disclosure. The method is executed by a relay UE. As shown in FIG6 , the activation state determination method may include the following steps:
  • Step 601 In response to the relay UE sending a third message to the remote UE, the relay UE stops being activated.
  • the third message may be a message transmitted through the first transmission mode or a message used to indicate that a specific process is refused to be executed.
  • the third message used to indicate that a specific process is rejected for execution may include an RRC rejection message.
  • the relay UE if the message it receives from the remote UE is the above-mentioned third message for indicating that a specific process is refused to be executed, the relay UE can know the content and purpose of the third message, and the relay UE can directly determine that the specific process requested by the remote UE is refused to be executed based on the third message; and, if the message received by the relay UE from the remote UE is the above-mentioned third message transmitted via the first transmission method, the relay UE cannot know the content and purpose of the third message at this time, and the relay UE can only determine the content and purpose of the third message through the transmission method of the third message.
  • the relay UE when the relay UE sends the third message to the remote UE via the first transmission method, it means that the specific process requested by the remote UE is refused to be executed.
  • the relay UE when the relay UE sends a third message to the remote UE via the first transmission mode or sends a third message to the remote UE to indicate that a specific process is refused to be executed, it means that the specific process requested by the remote UE is terminated. At this time, the relay UE no longer needs to monitor the SL link between it and the remote UE, and the relay UE can stop the activation state, thereby saving power consumption.
  • the relay UE in response to the relay UE receiving the first message sent by the remote UE, the relay UE enters the activation state to monitor the SL between the remote UE and the relay UE; the first message is used to request a specific process or transmit through the first transmission mode; in response to meeting a specific condition, the relay UE stops the activation state; the specific condition includes any one of the following: the specific process is completed, the specific process is rejected, the relay UE transmits the message through the first transmission mode, and the relay UE transmits the message through the second transmission mode.
  • the relay UE when the relay UE receives the first message sent by the remote UE for requesting a specific process or transmitting through the first transmission mode, it means that the remote UE has requested a specific process from the relay UE; when the relay UE transmits the message through the first transmission mode, it means that the specific process requested by the remote UE is rejected for execution; when the relay UE transmits the message through the second transmission mode, it means that the specific process requested by the remote UE is completed. It can be seen from this that in the present disclosure, when the remote UE requests a specific process, the relay UE will enter the activation state, and when the specific process requested by the remote UE is completed or rejected for execution, the relay UE will stop the activation state.
  • the activation state of the relay UE starts when the relay UE receives the first message sent by the remote UE, or when the relay UE starts the timer after receiving the first message sent by the remote UE, and when the timer times out.
  • the activation state of the relay UE stops when the relay UE receives the second message sent by the remote UE, or when the relay UE sends a third message to the remote UE.
  • the activation time of the relay UE may be: starting from the time when the relay UE receives the first message sent by the remote UE (such as receiving the message sent by the remote UE via SL-RLC0) and ending when the relay UE receives the second message sent by the remote UE (such as receiving the message sent by the remote UE via SL-RLC1).
  • the activation time of the relay UE may be: starting from the time when the relay UE receives the first message sent by the remote UE (such as receiving the message sent by the remote UE via SL-RLC0) and ending when the relay UE sends the third message to the remote UE (such as sending a message to the remote UE via SL-RLC0).
  • the relay UE when the start time of the activation state of the relay UE in the present disclosure is after the relay UE receives the first message sent by the remote UE, since the relay UE can only receive the message sent by the remote UE when it is in the activated state, the relay UE is also in the activated state when it receives the first message sent by the remote UE (i.e., before the start time of the activation state of the relay UE in the present disclosure), but the activation state of the relay UE when it receives the first message sent by the remote UE does not conflict with the activation state of the relay UE determined in the present disclosure.
  • the start time of the activation state controlled by the process of the present disclosure is mainly the above-mentioned "when the relay UE receives the first message sent by the remote UE, or, after the relay UE receives the first message sent by the remote UE, the timer is started, and when the timer times out", and the stop time is mainly the above-mentioned "when the relay UE receives the second message sent by the remote UE, or, when the relay UE sends a third message to the remote UE", and the activation state in which the aforementioned relay UE receives the first message sent by the remote UE (that is, before the start time of the activation state of the relay UE in the present disclosure) is not controlled by the process of the present disclosure, but by
  • FIG. 7 is a flow chart of an activation state determination method provided by an embodiment of the present disclosure. The method is executed by a network device. As shown in FIG. 7 , the activation state determination method may include the following steps:
  • Step 701 configure the timing duration of a timer for the relay UE.
  • the timer is mainly used for: when the relay UE receives the first message sent by the remote UE, it does not immediately enter the activation state, but delays entering the activation state based on the timing duration of the timer.
  • the relay UE enters the activated state in order to monitor the SL between the remote UE and the relay UE to ensure that the relay UE can successfully receive the message sent by the remote UE, so that the relay UE can successfully play a relay role between the remote UE and the network device, and ensure that the specific process requested by the remote UE can be successfully carried out.
  • the relay UE when the relay UE receives the first message sent by the remote UE, the relay UE will first forward the first message to the network device, and receive the response message of the network device to the first message, and then send the response message to the remote UE, and then receive the message returned by the remote UE. It can be seen that after the relay UE receives the first message sent by the remote UE, it does not need to receive the message from the remote UE immediately, but needs to wait for a period of time before receiving the message from the remote UE. Based on this, in one embodiment of the present disclosure, after the relay UE receives the first message sent by the remote UE, it does not need to enter the activated state immediately, but first sets a timer for a period of time.
  • the timing duration of the timer satisfies the following conditions: the timing duration is less than or equal to the shortest interval between two adjacent interactions between the relay UE and the remote UE.
  • the network device will configure the timing duration of the timer to the relay UE, so that the relay UE can determine the start time of its activation state based on the timing duration of the timer, and at the same time, the relay UE will also determine the stop time of its activation state.
  • the relay UE when the remote UE requests a specific process, the relay UE will enter the activation state, and when the specific process requested by the remote UE is completed or rejected, the relay UE will stop the activation state.
  • the relay UE can ensure that the relay UE is in the activation state throughout the process of the remote UE requesting a specific process, avoiding the situation of "the specific process requested by the remote UE has not been completed, and the relay UE has entered the SL DRX sleep state", thereby ensuring the timely execution of the specific process requested by the remote UE, avoiding the delay of the specific process, and ensuring the communication stability of the SL.
  • FIG8 is a schematic diagram of the structure of a communication device provided by an embodiment of the present disclosure. As shown in FIG8 , the device may include:
  • a processing module configured to, in response to receiving a first message sent by a remote UE, cause the relay UE to enter an activated state to monitor a side link SL between the remote UE and the relay UE; the first message is used to request a specific process or to be transmitted through a first transmission mode;
  • the processing module is also used to stop the activation state of the relay UE in response to meeting specific conditions; the specific conditions include completion of a specific process, rejection of execution of a specific process, transmission of a message by the relay UE through a first transmission method, and transmission of a message by the relay UE through a second transmission method.
  • the relay UE in response to the relay UE receiving the first message sent by the remote UE, the relay UE enters the activation state to monitor the SL between the remote UE and the relay UE; the first message is used to request a specific process or transmit through the first transmission mode; in response to meeting a specific condition, the relay UE stops the activation state; the specific condition includes any one of the following: the execution of the specific process is completed, the execution of the specific process is rejected, the relay UE transmits the message through the first transmission mode, and the relay UE transmits the message through the second transmission mode.
  • the relay UE when the relay UE receives the first message sent by the remote UE for requesting a specific process or transmitting through the first transmission mode, it means that the remote UE has requested a specific process from the relay UE; when the relay UE transmits the message through the first transmission mode, it means that the specific process requested by the remote UE is rejected for execution; when the relay UE transmits the message through the second transmission mode, it means that the execution of the specific process requested by the remote UE is completed. It can be seen from this that in the present disclosure, when the remote UE requests a specific process, the relay UE will enter the activation state, and when the execution of the specific process requested by the remote UE is completed or rejected, the relay UE will stop the activation state.
  • the specific process includes at least one of the following:
  • the processing module is further configured to:
  • the relay UE After receiving the first message, the relay UE immediately enters an activated state.
  • the processing module is further configured to:
  • the relay UE In response to the timer expiring, the relay UE enters an active state.
  • the device is further used for:
  • the receiving network device configures the timing duration for the timer.
  • the processing module is further used for any of the following:
  • the relay UE In response to the relay UE receiving a second message sent by the remote UE, the relay UE stops the activation state;
  • the relay UE In response to the relay UE sending a third message to the remote UE, the relay UE stops the activation state.
  • the second message is transmitted via a second transmission mode or is used to indicate that the specific process is completed.
  • the third message is transmitted via the first transmission mode or is used to indicate that the specific process is refused to be executed.
  • the first transmission mode includes at least one of the following:
  • the RLC transmission is controlled via the first radio link.
  • the second transmission mode includes at least one of the following:
  • the first message for requesting a specific process includes at least one of the following:
  • the second message used to indicate that the specific process is completed includes at least one of the following:
  • the third message used to indicate that the specific process is rejected for execution includes an RRC rejection message.
  • the first bearer includes a signaling radio bearer SRB0; the first RLC includes SL-RLC0.
  • the second bearer includes SRB1; the second RLC includes SL-RLC1.
  • FIG9 is a schematic diagram of the structure of a communication device provided by an embodiment of the present disclosure. As shown in FIG9 , the device may include:
  • the transceiver module is used to configure the timing duration of the timer for the relay UE.
  • the network device will configure the timing duration of the timer to the relay UE, so that the relay UE can determine the start time of its activation state based on the timing duration of the timer, and at the same time, the relay UE will also determine the stop time of its activation state.
  • the relay UE when the remote UE requests a specific process, the relay UE will enter the activation state, and when the specific process requested by the remote UE is completed or rejected, the relay UE will stop the activation state.
  • the relay UE can ensure that the relay UE is in the activation state throughout the process of the remote UE requesting a specific process, avoiding the situation of "the specific process requested by the remote UE has not been completed, and the relay UE has entered the SL DRX sleep state", thereby ensuring the timely execution of the specific process requested by the remote UE, avoiding the delay of the specific process, and ensuring the communication stability of the SL.
  • FIG 10 is a schematic diagram of the structure of a communication device 1000 provided in an embodiment of the present application.
  • the communication device 1000 can be a network device, or a terminal device, or a chip, a chip system, or a processor that supports the network device to implement the above method, or a chip, a chip system, or a processor that supports the terminal device to implement the above method.
  • the device can be used to implement the method described in the above method embodiment, and the details can be referred to the description in the above method embodiment.
  • the communication device 1000 may include one or more processors 1001.
  • the processor 1001 may be a general-purpose processor or a dedicated processor, etc. For example, it may be a baseband processor or a central processing unit.
  • the baseband processor may be used to process the communication protocol and communication data
  • the central processing unit may be used to control the communication device (such as a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute a computer program, and process the data of the computer program.
  • the communication device 1000 may further include one or more memories 1002, on which a computer program 1004 may be stored, and the processor 1001 executes the computer program 1004 so that the communication device 1000 performs the method described in the above method embodiment.
  • data may also be stored in the memory 1002.
  • the communication device 1000 and the memory 1002 may be provided separately or integrated together.
  • the communication device 1000 may further include a transceiver 1005 and an antenna 1006.
  • the transceiver 1005 may be referred to as a transceiver unit, a transceiver, or a transceiver circuit, etc., for implementing a transceiver function.
  • the transceiver 1005 may include a receiver and a transmitter, the receiver may be referred to as a receiver or a receiving circuit, etc., for implementing a receiving function; the transmitter may be referred to as a transmitter or a transmitting circuit, etc., for implementing a transmitting function.
  • the communication device 1000 may further include one or more interface circuits 1007.
  • the interface circuit 1007 is used to receive code instructions and transmit them to the processor 1001.
  • the processor 1001 executes the code instructions to enable the communication device 1000 to execute the method described in the above method embodiment.
  • the processor 1001 may include a transceiver for implementing receiving and sending functions.
  • the transceiver may be a transceiver circuit, an interface, or an interface circuit.
  • the transceiver circuit, interface, or interface circuit for implementing the receiving and sending functions may be separate or integrated.
  • the above-mentioned transceiver circuit, interface, or interface circuit may be used for reading and writing code/data, or the above-mentioned transceiver circuit, interface, or interface circuit may be used for transmitting or delivering signals.
  • the processor 1001 may store a computer program 1003, which runs on the processor 1001 and enables the communication device 1000 to perform the method described in the above method embodiment.
  • the computer program 1003 may be fixed in the processor 1001, in which case the processor 1001 may be implemented by hardware.
  • the communication device 1000 may include a circuit that can implement the functions of sending or receiving or communicating in the aforementioned method embodiment.
  • the processor and transceiver described in the present application can be implemented in an integrated circuit (IC), an analog IC, a radio frequency integrated circuit RFIC, a mixed signal IC, an application specific integrated circuit (ASIC), a printed circuit board (PCB), an electronic device, etc.
  • the processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), N-type metal oxide semiconductor (NMOS), P-type metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS N-type metal oxide semiconductor
  • PMOS P-type metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the communication device described in the above embodiments may be a network device or a terminal device, but the scope of the communication device described in the present application is not limited thereto, and the structure of the communication device may not be limited by FIG. 10.
  • the communication device may be an independent device or may be part of a larger device.
  • the communication device may be:
  • the IC set may also include a storage component for storing data and computer programs;
  • ASIC such as modem
  • the communication device can be a chip or a chip system
  • the communication device can be a chip or a chip system
  • the schematic diagram of the chip structure shown in Figure 11 includes a processor 1101 and an interface 1102.
  • the number of processors 1101 can be one or more, and the number of interfaces 1102 can be multiple.
  • the chip further includes a memory 1103, and the memory 1103 is used to store necessary computer programs and data.
  • the present application also provides a readable storage medium having instructions stored thereon, which implement the functions of any of the above method embodiments when executed by a computer.
  • the present application also provides a computer program product, which implements the functions of any of the above method embodiments when executed by a computer.
  • the computer program product includes one or more computer programs.
  • the computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer program can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer program can be transmitted from a website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (digital subscriber line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server or data center.
  • the computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server or data center that includes one or more available media integrated.
  • the available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a high-density digital video disc (DVD)), or a semiconductor medium (e.g., a solid state disk (SSD)), etc.
  • a magnetic medium e.g., a floppy disk, a hard disk, a magnetic tape
  • an optical medium e.g., a high-density digital video disc (DVD)
  • DVD high-density digital video disc
  • SSD solid state disk
  • At least one in the present application can also be described as one or more, and a plurality can be two, three, four or more, which is not limited in the present application.
  • the technical features in the technical feature are distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D”, etc., and there is no order of precedence or size between the technical features described by the "first”, “second”, “third”, “A”, “B”, “C” and “D”.
  • the corresponding relationships shown in each table in the present application can be configured or predefined.
  • the values of the information in each table are only examples and can be configured as other values, which are not limited by the present application.
  • the corresponding relationships shown in some rows may not be configured.
  • appropriate deformation adjustments can be made based on the above table, such as splitting, merging, etc.
  • the names of the parameters shown in the titles in the above tables can also use other names that can be understood by the communication device, and the values or representations of the parameters can also be other values or representations that can be understood by the communication device.
  • other data structures can also be used, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables.
  • the predefined in the present application may be understood as defined, predefined, stored, pre-stored, pre-negotiated, pre-configured, solidified, or pre-burned.

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Abstract

本公开提出一种激活状态确定方法/装置/设备及存储介质，方法包括：响应于接收到远端UE发送的第一消息，进入激活状态，以监听远端UE与中继UE之间的侧行链路SL；第一消息用于请求特定流程或通过第一传输方式传输；响应于满足特定条件，停止激活状态；特定条件包括特定流程执行完成、特定流程被拒绝执行、中继UE通过第一传输方式传输了消息、中继UE通过第二传输方式传输了消息中的任一种。本公开的方法可确保远端UE请求特定流程的整个过程中，中继UE均处于激活状态，避免出现"远端UE请求的特定流程还未完成，中继UE就进入了SL DRX睡眠状态"这一情况，确保了远端UE请求的特定流程的准时执行，避免了特定流程的延迟，保证了SL的通信稳定性。

Description

一种激活状态确定方法/装置/设备及存储介质 技术领域
本公开涉及通信技术领域，尤其涉及激活状态确定方法/装置/设备及存储介质。
背景技术
在通信系统中，通过引入侧行链路(Sidelink，SL)通信方式，来实现用户设备(User Equipment，UE)之间的直接通信。以及，为了节省SL UE的功耗，引入了SL的非连续接收(Discontinuous Reception，DRX)，即接收UE只在激活状态下监听逻辑信道上的第二阶段的SCI(sidelink control information，侧行链路控制信息)。进一步地，UE可以不直接与基站通信连接，而通过另外一个UE的中继实现与基站的通信。其中与基站没有连接的UE称为远端UE(remote UE)，提供中继功能的UE称为中继UE(relay UE)，以及，远端UE与中继UE之间可以通过SL单播通信。
相关技术中，空闲态下的远端UE可以向中继UE发送无线资源控制(Radio Resource Control，RRC)建立请求消息，以使得中继UE将该RRC建立请求消息转发至基站，并将基站发送的RRC建立消息转发至远端UE，当远端UE完成连接建立流程后，还会向中继UE发送RRC连接建立完成消息，中继UE会将该RRC连接建立完成消息转发至基站以通知基站连接建立流程完成；以及，非激活态下的远端UE可以向中继UE发送RRC恢复请求消息，以使得中继UE将该RRC恢复请求消息转发至基站，并将基站发送的RRC恢复消息转发至远端UE，当远端UE完成连接恢复流程后，还会向中继UE发送RRC连接恢复完成消息，则中继UE会将该RRC连接恢复完成消息转发至基站以通知基站连接恢复流程完成；以及，当远端UE发生连接失败时，可以向中继UE发送RRC重建请求消息，以使得中继UE将该RRC重建请求消息转发至基站，并将基站发送的RRC重建消息转发至远端UE，当远端UE完成连接重建流程后，还会向中继UE发送RRC连接重建完成消息，则中继UE会将该RRC连接重建完成消息转发至基站以通知基站连接重建流程完成。
但是，相关技术中，中继UE向远端UE发送了RRC建立/恢复/重建消息之后，中继UE可能进入SL DRX睡眠状态，也即是，建立/恢复/重建流程还未完成，中继UE可能就进入了SL DRX睡眠状态，从而会无法接收远端UE转发的RRC连接建立/恢复/重建完成消息，则会导致连接建立/连接恢复/连接重建流程延迟，从而影响SL的通信稳定性。
发明内容
本公开提出的激活状态确定方法/装置/设备及存储介质，用于解决相关技术中的方法影响SL的通信稳定性的技术问题。
第一方面，本公开实施例提供一种激活状态确定方法，该方法被远端UE执行，包括：
响应于接收到远端UE发送的第一消息，所述中继UE进入激活状态，以监听远端UE与中继UE之间的侧行链路SL；所述第一消息用于请求特定流程或通过第一传输方式传输；
响应于满足特定条件，所述中继UE停止激活状态；所述特定条件包括特定流程执行完成、特定流程被拒绝执行、中继UE通过第一传输方式传输了消息、中继UE通过第二传输方式传输了消息中的任一种。
本公开中，当中继UE接收到远端UE发送的用于请求特定流程或通过第一传输方式传输的第一消息时，说明远端UE向中继UE请求了特定流程；当中继UE通过第一传输方式传输了消息时，说明远端UE请求的特定流程被拒绝执行；当中继UE通过第二传输方式传输了消息时，说明远端UE请求的特定流程执行完成。由此可知，本公开中，当远端UE请求特定流程时，中继UE会进入激活状态，当远端UE请求的特定流程执行完成或被拒绝执行时，中继UE会停止激活状态。则可确保远端UE请求特定流程的整个过程中，中继UE均处于激活状态，避免出现“远端UE请求的特定流程还未完成，中继UE就进入了SL DRX睡眠状态”这一情况，从而确保了远端UE请求的特定流程的准时执行，避免 了特定流程的延迟，保证了SL的通信稳定性。
可选的，所述特定流程包括以下至少一种：
无线资源控制RRC连接建立流程；
RRC连接恢复流程；
RRC连接重建流程。
可选的，所述中继UE进入激活状态，包括：
在接收到所述第一消息后，所述中继UE立即进入激活状态。
可选的，所述中继UE进入激活状态，包括：
在接收到所述第一消息后，启动定时器；
响应于所述定时器超时，所述中继UE进入激活状态。
可选的，所述方法还包括：
接收网络设备为所述定时器配置的定时时长。
可选的，所述中继UE停止激活状态，包括以下任一种：
响应于所述中继UE接收到远端UE发送的第二消息，所述中继UE停止所述激活状态；
响应于所述中继UE向所述远端UE发送第三消息，所述中继UE停止所述激活状态。
可选的，所述第二消息通过第二传输方式传输或用于指示所述特定流程执行完成。
可选的，所述第三消息通过第一传输方式传输或用于指示所述特定流程被拒绝执行。
可选的，所述第一传输方式包括以下至少一种：
通过第一承载传输；
通过特定逻辑信道传输；
通过第一无线链路控制RLC传输。
可选的，所述第二传输方式包括以下至少一种：
通过第二承载传输；
通过特定逻辑信道传输；
通过第二RLC传输。
可选的，所述用于请求特定流程的第一消息包括以下至少一种：
RRC建立请求消息；
RRC恢复请求消息；
RRC重建请求消息。
可选的，所述用于指示所述特定流程执行完成的第二消息包括以下至少一种：
RRC建立完成消息；
RRC恢复完成消息；
RRC重建完成消息。
可选的，所述用于指示所述特定流程被拒绝执行的第三消息包括RRC拒绝消息。
可选的，所述第一承载包括信令无线承载SRB0；所述第一RLC包括SL-RLC0。
可选的，所述第二承载包括SRB1；所述第二RLC包括SL-RLC1。
第二方面，本公开实施例提供一种激活状态确定方法，该方法被中继UE执行，包括：
向中继UE配置定时器的定时时长。
第三方面，本公开实施例提供一种通信装置，该装置被配置在中继UE中，包括：
处理模块，用于响应于接收到远端UE发送的第一消息，所述中继UE进入激活状态，以监听远端UE与中继UE之间的侧行链路SL；所述第一消息用于请求特定流程或通过第一传输方式传输；
所述处理模块，还用于响应于满足特定条件，所述中继UE停止激活状态；所述特定条件包括特定流程执行完成、特定流程被拒绝执行、中继UE通过第一传输方式传输了消息、中继UE通过第二传输方式传输了消息中的任一种。
第四方面，本公开实施例提供一种通信装置，该装置被配置在网络设备中，包括：
收发模块，用于向中继UE配置定时器的定时时长。
第五方面，本公开实施例提供一种通信装置，该通信装置包括处理器，当该处理器调用存储器中的计算机程序时，执行上述第一方面所述的方法。
第六方面，本公开实施例提供一种通信装置，该通信装置包括处理器，当该处理器调用存储器中的计算机程序时，执行上述第二方面所述的方法。
第七方面，本公开实施例提供一种通信装置，该通信装置包括处理器和存储器，该存储器中存储有计算机程序；所述处理器执行该存储器所存储的计算机程序，以使该通信装置执行上述第一方面所述的方法。
第八方面，本公开实施例提供一种通信装置，该通信装置包括处理器和存储器，该存储器中存储有计算机程序；所述处理器执行该存储器所存储的计算机程序，以使该通信装置执行上述第二方面所述的方法。
第九方面，本公开实施例提供一种通信装置，该装置包括处理器和接口电路，该接口电路用于接收代码指令并传输至该处理器，该处理器用于运行所述代码指令以使该装置执行上述第一方面所述的方法。
第十方面，本公开实施例提供一种通信装置，该装置包括处理器和接口电路，该接口电路用于接收代码指令并传输至该处理器，该处理器用于运行所述代码指令以使该装置执行上述第二方面所述的方法。
第十一方面，本公开实施例提供一种通信系统，该系统包括第三方面所述的通信装置至第四方面所述的通信装置，或者，该系统包括第五方面所述的通信装置至第六方面所述的通信装置，或者，该系统包括第七方面所述的通信装置至第八方面所述的通信装置，或者，该系统包括第九方面所述的通信装置至第十方面所述的通信装置。
第十二方面，本发明实施例提供一种计算机可读存储介质，用于储存为上述网络设备所用的指令，当所述指令被执行时，使所述终端设备执行上述第一方面至第二方面的任一方面所述的方法。
第十三方面，本公开还提供一种包括计算机程序的计算机程序产品，当其在计算机上运行时，使得计算机执行上述第一方面至第二方面的任一方面所述的方法。
第十四方面，本公开提供一种芯片系统，该芯片系统包括至少一个处理器和接口，用于支持网络设备实现第一方面至第二方面的任一方面所述的方法所涉及的功能，例如，确定或处理上述方法中所涉及的数据和信息中的至少一种。在一种可能的设计中，所述芯片系统还包括存储器，所述存储器，用于保存源辅节点必要的计算机程序和数据。该芯片系统，可以由芯片构成，也可以包括芯片和其他分立器件。
第十五方面，本公开提供一种计算机程序，当其在计算机上运行时，使得计算机执行上述第一方面至第二方面的任一方面所述的方法。
附图说明
本公开上述的和/或附加的方面和优点从下面结合附图对实施例的描述中将变得明显和容易理解，其中：
图1为本公开实施例提供的一种通信系统的架构示意图；
图2为本公开另一个实施例所提供的激活状态确定方法的流程示意图；
图3为本公开再一个实施例所提供的激活状态确定方法的流程示意图；
图4为本公开又一个实施例所提供的激活状态确定方法的流程示意图；
图5为本公开另一个实施例所提供的激活状态确定方法的流程示意图；
图6为本公开再一个实施例所提供的激活状态确定方法的流程示意图；
图7为本公开又一个实施例所提供的激活状态确定方法的流程示意图；
图8为本公开一个实施例所提供的通信装置的结构示意图；
图9为本公开另一个实施例所提供的通信装置的结构示意图；
图10是本公开一个实施例所提供的一种用户设备的框图；
图11为本公开一个实施例所提供的一种网络侧设备的框图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开实施例相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本公开实施例的一些方面相一致的装置和方法的例子。
在本公开实施例使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本公开实施例。在本公开实施例和所附权利要求书中所使用的单数形式的“一种”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解，尽管在本公开实施例可能采用术语第一、第二、第三等来描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本公开实施例范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信息。取决于语境，如在此所使用的词语“如果”及“若”可以被解释成为“在……时”或“当……时”或“响应于确定”。
下面详细描述本公开的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的要素。下面通过参考附图描述的实施例是示例性的，旨在用于解释本公开，而不能理解为对本公开的限制。
为了便于理解，首先介绍本申请涉及的术语。
1、第五代移动通信技术(5th generation mobile networks，5G)
5G是具有高速率、低时延和大连接特点的新一代宽带移动通信技术，是实现人机物互联的网络基础设施。
2、侧行链路(Sidelink，SL)
终端设备之间直接通信的链路。
3、远端UE
未与基站直接通信而通过其他UE与基站通信的UE。
4、中继UE
用于实现其他UE与基站之间的中继通信的UE。
为了更好的理解本公开实施例公开的一种激活状态确定方法，下面首先对本公开实施例适用的通信系统进行描述。
请参见图1，图1为本公开实施例提供的一种通信系统的架构示意图。该通信系统可包括但不限于一个网络设备、一个远端终端设备和一个中继终端设备，图1所示的设备数量和形态仅用于举例并不构成对本公开实施例的限定，实际应用中可以包括两个或两个以上的网络设备，两个或两个以上的终端设备。图1所示的通信系统以包括一个网络设备11、一个远端UE12、一个中继UE13为例。
需要说明的是，本公开实施例的技术方案可以应用于各种通信系统。例如：长期演进(long term evolution，LTE)系统、第五代(5th generation，5G)移动通信系统、5G新空口(new radio，NR)系统，或者其他未来的新型移动通信系统等。
本公开实施例中的网络设备11是网络侧的一种用于发射或接收信号的实体。例如，网络设备11可以为演进型基站(evolved NodeB，eNB)、发送接收点(transmission reception point，TRP)、NR系统中的下一代基站(next generation NodeB，gNB)、其他未来移动通信系统中的基站或无线保真(wireless fidelity，WiFi)系统中的接入节点等。本公开的实施例对网络设备所采用的具体技术和具体设备形态不做限定。本公开实施例提供的网络设备可以是由集中单元(central unit，CU)与分布式单元(distributed unit，DU)组成的，其中，CU也可以称为控制单元(control unit)，采用CU-DU的结构可以将网络设备，例如基站的协议层拆分开，部分协议层的功能放在CU集中控制，剩下部分或全部协议层的功能分布在DU中，由CU集中控制DU。
本公开实施例中的远端UE12和中继UE13可以是用户侧的一种用于接收或发射信号的实体，如手机。终端设备也可以称为终端设备(terminal)、用户设备(user equipment，UE)、移动台(mobile station，MS)、移动终端设备(mobile terminal，MT)等。终端设备可以是具备通信功能的汽车、智能汽车、手机(mobile phone)、穿戴式设备、平板电脑(Pad)、带无线收发功能的电脑、虚拟现实(virtual reality，VR)终端设备、增强现实(augmented reality，AR)终端设备、工业控制(industrial control)中的无线终端设备、无人驾驶(self-driving)中的无线终端设备、远程手术(remote medical surgery)中的无线 终端设备、智能电网(smart grid)中的无线终端设备、运输安全(transportation safety)中的无线终端设备、智慧城市(smart city)中的无线终端设备、智慧家庭(smart home)中的无线终端设备等等。本公开的实施例对终端设备所采用的具体技术和具体设备形态不做限定。
可以理解的是，本公开实施例描述的通信系统是为了更加清楚的说明本公开实施例的技术方案，并不构成对于本公开实施例提供的技术方案的限定，本领域普通技术人员可知，随着系统架构的演变和新业务场景的出现，本公开实施例提供的技术方案对于类似的技术问题，同样适用。
下面参考附图对本公开实施例所提供的激活状态确定方法/装置/设备及存储介质进行详细描述。
图2为本公开实施例所提供的一种激活状态确定方法的流程示意图，该方法由中继UE执行，如图2所示，该激活状态确定方法可以包括以下步骤：
步骤201、响应于接收到远端UE发送的第一消息，中继UE进入激活状态，以监听远端UE与中继UE之间的侧行链路(Sidelink，SL)。
其中，在本公开的一个实施例之中，该第一消息可以为用于请求特定流程的消息或通过第一传输方式传输的消息。
在本公开的一个实施例之中，上述的特定流程可以为以下至少一种：
RRC连接建立流程；
RRC连接恢复流程；
RRC连接重建流程。
以及，在本公开的一个实施例之中，上述的用于请求特定流程的第一消息可以包括以下至少一种：
RRC建立请求消息；
RRC恢复请求消息；
RRC重建请求消息。
进一步地，在本公开的一个实施例之中，上述的第一传输方式可以包括以下至少一种：
通过第一承载传输；
通过特定逻辑信道传输；
通过第一无线链路控制(Radio Link Control，RLC)传输。
其中，第一承载可以包括信令无线承载(Signalling Radio Bearer，SRB)0；第一RLC可以包括SL-RLC0；特定逻辑信道可以是任一种逻辑信道或任几种逻辑信道，以及，该特定逻辑信道可以是基于协议预定的。
进一步地，需要说明的是，针对于中继UE而言，若其从远端UE处接收到的消息为上述的用于请求特定流程的第一消息，该中继UE可以知晓第一消息的内容和用途，则中继UE基于该第一消息可直接确定出远端UE请求了特定流程；以及，若中继UE从远端UE处接收到的消息为上述的通过第一传输方式传输的第一消息，此时中继UE无法知晓第一消息的内容和用途，中继UE仅能通过该第一消息的传输方式来确定该第一消息的内容和用途，其中，在本公开的一个实施例之中，当第一消息的传输方式为上述第一传输方式时，则意味着远端UE请求了特定流程。
由此可知，在本公开的一个实施例之中，当中继UE接收到远端UE发送的用于请求特定流程的第一消息或接收到远端UE通过第一传输方式发送的第一消息时，说明远端UE请求了特定流程，则此时，远端UE应当将第一消息转发至网络设备(如基站)，并且该中继UE应当作为中继来实现远端UE与网络设备之间的后续交互，以此来完成远端UE请求的特定流程。但是，由于SL的非连续接收(Discontinuous Reception，DRX)机制，中继UE只会在激活状态下监听中继UE与远端UE的SL。
因此，在本公开的一个实施例之中，当中继UE接收到远端UE发送的用于请求特定流程或通过第一传输方式传输的第一消息时，该中继UE应当进入激活状态，在激活状态下，该中继UE会监听远端UE与中继UE之间的SL，由此可以确保中继UE能够成功接收到远端UE发送的消息，进而确保中继UE能够在远端UE与网络设备之间成功起到中继作用，保证远端UE请求的特定流程能够成功进行。
步骤202、响应于满足特定条件，该中继UE停止激活状态。
其中，在本公开的一个实施例之中，该特定条件可以包括以下任一种：
特定流程执行完成；
特定流程被拒绝执行；
中继UE通过第一传输方式传输了消息；
中继UE通过第二传输方式传输了消息。
其中，在本公开的一个实施例之中，上述的“中继UE通过第一传输方式传输了消息”意为：中继UE通过第一传输方式向远端UE传输了消息，以及，当中继UE通过第一传输方式传输了消息时说明：远端UE请求的特定流程被拒绝执行。关于第一传输方式的相关介绍可以参考上述实施例描述。
在本公开的一个实施例之中，上述的“中继UE通过第二传输方式传输了消息”意为：中继UE接收到远端UE通过第二传输方式传输的消息。其中，该第二传输方式可以包括以下至少一种：
通过第二承载传输；
通过特定逻辑信道传输；
通过第二RLC传输。
其中，第二承载可以包括SRB1，第二RLC可以包括SL-RLC1；特定逻辑信道可以是任一种逻辑信道或任几种逻辑信道，以及，该特定逻辑信道可以是基于协议预定的。
在本公开的一个实施例之中，当中继UE通过第二传输方式传输了消息时说明：远端UE请求的特定流程执行完成。
以及，关于中继UE具体如何通过第一传输方式传输消息，以及如何通过第二传输方式传输消息的详细介绍会在后续实施例进行描述。
则由上述内容可知，上述的“特定条件”实质为：当远端UE请求的特定流程执行完成，或，远端UE请求的特定流程被拒绝执行。由此本公开中，主要是当远端UE请求的特定流程执行完成，或，远端UE请求的特定流程被拒绝执行时，中继UE会停止激活状态。
基于此，在本公开的一个实施例之中，远端UE的激活状态的开始时间为：远端UE请求特定流程时；远端UE的激活状态的停止时间为：远端UE请求的特定流程执行完成或被拒绝执行时。由此，本公开中，远端UE请求特定流程的整个过程中，中继UE均会处于激活状态，则可以避免出现“远端UE请求的特定流程还未完成，中继UE就进入了SL DRX睡眠状态”这一情况，从而确保了远端UE请求的特定流程的准时执行，避免了特定流程的延迟，保证了SL的通信稳定性。
综上所述，本公开提供的激活状态确定方法之中，响应于中继UE接收到远端UE发送的第一消息，该中继UE进入激活状态，以监听远端UE与中继UE之间的SL；该第一消息用于请求特定流程或通过第一传输方式传输；响应于满足特定条件，中继UE停止激活状态；该特定条件包括特定流程执行完成、特定流程被拒绝执行、中继UE通过第一传输方式传输了消息、中继UE通过第二传输方式传输了消息中的任一种。其中，在本公开中，当中继UE接收到远端UE发送的用于请求特定流程或通过第一传输方式传输的第一消息时，说明远端UE向中继UE请求了特定流程；当中继UE通过第一传输方式传输了消息时，说明远端UE请求的特定流程被拒绝执行；当中继UE通过第二传输方式传输了消息时，说明远端UE请求的特定流程执行完成。由此可知，本公开中，当远端UE请求特定流程时，中继UE会进入激活状态，当远端UE请求的特定流程执行完成或被拒绝执行时，中继UE会停止激活状态。则可确保远端UE请求特定流程的整个过程中，中继UE均处于激活状态，避免出现“远端UE请求的特定流程还未完成，中继UE就进入了SL DRX睡眠状态”这一情况，从而确保了远端UE请求的特定流程的准时执行，避免了特定流程的延迟，保证了SL的通信稳定性。
图3为本公开实施例所提供的一种激活状态确定方法的流程示意图，该方法由中继UE执行，如图3所示，该激活状态确定方法可以包括以下步骤：
步骤301、响应于接收到远端UE发送的第一消息，中继UE立即进入激活状态，以监听远端UE与中继UE之间的侧行链路SL；该第一消息用于请求特定流程或通过第一传输方式传输。
本公开实施例中，当中继UE接收到远端UE发送的第一消息时，立即进入激活状态，可以理解为第一消息触发了中继UE进入激活状态。
关于步骤301的其他详细介绍参考上述实施例描述。
综上所述，本公开提供的激活状态确定方法之中，响应于中继UE接收到远端UE发送的第一消息， 该中继UE进入激活状态，以监听远端UE与中继UE之间的SL；该第一消息用于请求特定流程或通过第一传输方式传输；响应于满足特定条件，中继UE停止激活状态；该特定条件包括特定流程执行完成、特定流程被拒绝执行、中继UE通过第一传输方式传输了消息、中继UE通过第二传输方式传输了消息中的任一种。其中，在本公开中，当中继UE接收到远端UE发送的用于请求特定流程或通过第一传输方式传输的第一消息时，说明远端UE向中继UE请求了特定流程；当中继UE通过第一传输方式传输了消息时，说明远端UE请求的特定流程被拒绝执行；当中继UE通过第二传输方式传输了消息时，说明远端UE请求的特定流程执行完成。由此可知，本公开中，当远端UE请求特定流程时，中继UE会进入激活状态，当远端UE请求的特定流程执行完成或被拒绝执行时，中继UE会停止激活状态。则可确保远端UE请求特定流程的整个过程中，中继UE均处于激活状态，避免出现“远端UE请求的特定流程还未完成，中继UE就进入了SL DRX睡眠状态”这一情况，从而确保了远端UE请求的特定流程的准时执行，避免了特定流程的延迟，保证了SL的通信稳定性。
图4为本公开实施例所提供的一种激活状态确定方法的流程示意图，该方法由中继UE执行，如图4所示，该激活状态确定方法可以包括以下步骤：
步骤401、响应于接收到远端UE发送的第一消息，启动定时器。
步骤402、响应于定时器超时，中继UE进入激活状态。
由前述内容可知，中继UE进入激活状态是为了监听远端UE与中继UE之间的SL，以确保中继UE能够成功接收到远端UE发送的消息，从而使得中继UE能够在远端UE与网络设备之间成功起到中继作用，保证远端UE请求的特定流程能够成功进行。
但是，需要说明的是，当中继UE接收到远端UE发送的第一消息后，中继UE会先将该第一消息转发至网络设备，并接收网络设备对该第一消息的响应消息，之后，再将该响应消息发送至远端UE，并再接收远端UE返回的消息。由此可知，中继UE接收到远端UE发送的第一消息之后，并不需要立刻再从远端UE处接收消息，而是要先经过一段时间之后，再从远端UE处接收到消息。基于此，在本公开的一个实施例之中，当中继UE接收到远端UE发送的第一消息之后，可以不用立即进入激活状态，而是先基于定时器定时一段时间，当该定时器超时时，中继UE再延迟进入激活状态，从而可以缩短中继UE处于激活状态的时间，节省了电量。并且，在本公开的一个实施例之中，该定时器的定时时长满足以下条件：定时时长小于或等于中继UE与远端UE之间的相邻两次交互之间的最短间隔，由此，当定时器超时后中继UE再延迟进入激活状态时，不会影响中继UE与远端UE之间的正常交互，保证了SL的通信稳定性。
进一步地，在本公开的一个实施例之中，该定时器的定时时长可以是由网络设备配置至中继UE的，如可以是网络设备通过RRC消息配置至中继UE的。
综上所述，本公开提供的激活状态确定方法之中，响应于中继UE接收到远端UE发送的第一消息，该中继UE进入激活状态，以监听远端UE与中继UE之间的SL；该第一消息用于请求特定流程或通过第一传输方式传输；响应于满足特定条件，中继UE停止激活状态；该特定条件包括特定流程执行完成、特定流程被拒绝执行、中继UE通过第一传输方式传输了消息、中继UE通过第二传输方式传输了消息中的任一种。其中，在本公开中，当中继UE接收到远端UE发送的用于请求特定流程或通过第一传输方式传输的第一消息时，说明远端UE向中继UE请求了特定流程；当中继UE通过第一传输方式传输了消息时，说明远端UE请求的特定流程被拒绝执行；当中继UE通过第二传输方式传输了消息时，说明远端UE请求的特定流程执行完成。由此可知，本公开中，当远端UE请求特定流程时，中继UE会进入激活状态，当远端UE请求的特定流程执行完成或被拒绝执行时，中继UE会停止激活状态。则可确保远端UE请求特定流程的整个过程中，中继UE均处于激活状态，避免出现“远端UE请求的特定流程还未完成，中继UE就进入了SL DRX睡眠状态”这一情况，从而确保了远端UE请求的特定流程的准时执行，避免了特定流程的延迟，保证了SL的通信稳定性。
图5为本公开实施例所提供的一种激活状态确定方法的流程示意图，该方法由中继UE执行，如图5所示，该激活状态确定方法可以包括以下步骤：
步骤501、响应于中继UE接收到远端UE发送的第二消息，中继UE停止激活状态。
其中，在本公开的一个实施例之中，该第二消息可以为通过第二传输方式传输的消息或用于指示特定流程执行完成的消息。
具体的，上述的用于指示特定流程执行完成的第二消息可以包括以下至少一种：
RRC建立完成消息；
RRC恢复完成消息；
RRC重建完成消息。
进一步地，在本公开的一个实施例之中，上述的第二传输方式可以包括以下至少一种：
通过第二承载传输；
通过特定逻辑信道传输；
通过第二RLC传输。
其中，第二承载可以包括SRB1；第二RLC可以包括SL-RLC1；特定逻辑信道可以是任一种逻辑信道或任几种逻辑信道，以及，该特定逻辑信道可以是基于协议预定的。
进一步地，需要说明的是，针对于中继UE而言，若其从远端UE处接收到的消息为上述的用于指示特定流程执行完成的第二消息，该中继UE可以知晓第二消息的内容和用途，则中继UE基于该第二消息可直接确定出远端UE请求的特定流程执行完成；以及，若中继UE从远端UE处接收到的消息为上述的通过第二传输方式传输的第二消息，此时中继UE无法知晓第二消息的内容和用途，中继UE仅能通过该第二消息的传输方式来确定该第二消息的内容和用途，其中，在本公开的一个实施例之中，当第二消息的传输方式为上述第二传输方式时，则意味着远端UE请求的特定流程执行完成。
由此可知，在本公开的一个实施例之中，当中继UE接收到远端UE通过第二传输方式发送的第二消息或接收到远端UE发送的用于指示特定流程执行完成的第二消息时，说明远端UE请求的特定流程执行完成，则此时，远端UE会将第二消息转发至网络设备(如基站)以告知网络设备该远端UE请求的特定流程执行完成，并且，中继UE无需再监听其与远端UE之间的SL链路，此时，中继UE可以停止激活状态，从而可以节省功耗。
综上所述，本公开提供的激活状态确定方法之中，响应于中继UE接收到远端UE发送的第一消息，该中继UE进入激活状态，以监听远端UE与中继UE之间的SL；该第一消息用于请求特定流程或通过第一传输方式传输；响应于满足特定条件，中继UE停止激活状态；该特定条件包括特定流程执行完成、特定流程被拒绝执行、中继UE通过第一传输方式传输了消息、中继UE通过第二传输方式传输了消息中的任一种。其中，在本公开中，当中继UE接收到远端UE发送的用于请求特定流程或通过第一传输方式传输的第一消息时，说明远端UE向中继UE请求了特定流程；当中继UE通过第一传输方式传输了消息时，说明远端UE请求的特定流程被拒绝执行；当中继UE通过第二传输方式传输了消息时，说明远端UE请求的特定流程执行完成。由此可知，本公开中，当远端UE请求特定流程时，中继UE会进入激活状态，当远端UE请求的特定流程执行完成或被拒绝执行时，中继UE会停止激活状态。则可确保远端UE请求特定流程的整个过程中，中继UE均处于激活状态，避免出现“远端UE请求的特定流程还未完成，中继UE就进入了SL DRX睡眠状态”这一情况，从而确保了远端UE请求的特定流程的准时执行，避免了特定流程的延迟，保证了SL的通信稳定性。
图6为本公开实施例所提供的一种激活状态确定方法的流程示意图，该方法由中继UE执行，如图6所示，该激活状态确定方法可以包括以下步骤：
步骤601、响应于中继UE向远端UE发送第三消息，中继UE停止激活状态。
其中，在本公开的一个实施例之中，该第三消息可以为通过第一传输方式传输的消息或用于指示特定流程被拒绝执行的消息。
具体的，上述的用于指示特定流程被拒绝执行的第三消息可以包括RRC拒绝消息。
以及，关于第一传输方式的介绍可以参考上述实施例描述。
进一步地，需要说明的是，针对于中继UE而言，若其从远端UE处接收到的消息为上述的用于指示特定流程被拒绝执行的第三消息，该中继UE可以知晓第三消息的内容和用途，则中继UE基于该第三消息可直接确定出远端UE请求的特定流程被拒绝执行；以及，若中继UE从远端UE处接收到的消 息为上述的通过第一传输方式传输的第三消息，此时中继UE无法知晓第三消息的内容和用途，中继UE仅能通过该第三消息的传输方式来确定该第三消息的内容和用途，其中，在本公开的一个实施例之中，当中继UE通过第一传输方式向远端UE发送该第三消息时，则意味着远端UE请求的特定流程被拒绝执行。
由此可知，在本公开的一个实施例之中，当中继UE向远端UE通过第一传输方式发送第三消息或向远端UE发送用于指示特定流程被拒绝执行的第三消息时，说明远端UE请求的特定流程被终止执行，则此时，中继UE无需再监听其与远端UE之间的SL链路，中继UE可以停止激活状态，从而可以节省功耗。
综上所述，本公开提供的激活状态确定方法之中，响应于中继UE接收到远端UE发送的第一消息，该中继UE进入激活状态，以监听远端UE与中继UE之间的SL；该第一消息用于请求特定流程或通过第一传输方式传输；响应于满足特定条件，中继UE停止激活状态；该特定条件包括特定流程执行完成、特定流程被拒绝执行、中继UE通过第一传输方式传输了消息、中继UE通过第二传输方式传输了消息中的任一种。其中，在本公开中，当中继UE接收到远端UE发送的用于请求特定流程或通过第一传输方式传输的第一消息时，说明远端UE向中继UE请求了特定流程；当中继UE通过第一传输方式传输了消息时，说明远端UE请求的特定流程被拒绝执行；当中继UE通过第二传输方式传输了消息时，说明远端UE请求的特定流程执行完成。由此可知，本公开中，当远端UE请求特定流程时，中继UE会进入激活状态，当远端UE请求的特定流程执行完成或被拒绝执行时，中继UE会停止激活状态。则可确保远端UE请求特定流程的整个过程中，中继UE均处于激活状态，避免出现“远端UE请求的特定流程还未完成，中继UE就进入了SL DRX睡眠状态”这一情况，从而确保了远端UE请求的特定流程的准时执行，避免了特定流程的延迟，保证了SL的通信稳定性。
由前述内容可知，本公开中，中继UE的激活状态开始时间为：中继UE接收到远端UE发送的第一消息时，或者，中继UE接收到远端UE发送的第一消息后，启动定时器，当定时器超时时。中继UE的激活状态的停止时间为：中继UE接收到远端UE发送的第二消息时，或者，中继UE向远端UE发送第三消息时。
基于此，示例的，中继UE的激活时间可以为：从中继UE收到远端UE发送的第一消息(如收到远端UE通过SL-RLC0发送的消息)开始，直到收到远端UE发送的第二消息(如收到远端UE通过SL-RLC1发送的消息)时停止。或者，中继UE的激活时间可以为：从中继UE收到远端UE发送的第一消息(如收到远端UE通过SL-RLC0发送的消息)开始，直到中继UE向远端UE发送第三消息(如通过SL-RLC0向远端UE发送消息)时停止。
此外，需要说明的是，当本公开中中继UE的激活状态的开始时间在中继UE收到远端UE发送的第一消息之后时，由于中继UE只有在激活状态时才能接收远端UE发送的消息，因此中继UE收到远端UE发送的第一消息时(即本公开中的中继UE的激活状态的开始时间之前)，中继UE也是处于激活状态的，但是，中继UE收到远端UE发送的第一消息时所处的激活状态与本公开中所确定的中继UE的激活状态并不冲突。具体的，在通信系统中，会有多个不同流程来控制UE的激活状态的激活时间(即开始时间和停止时间)，且不同流程控制的UE的激活时间可以重合或不重合。其中，本公开的流程控制的激活状态的开始时间主要为上述的“中继UE接收到远端UE发送的第一消息时，或者，中继UE接收到远端UE发送的第一消息后，启动定时器，当定时器超时时”、停止时间主要为上述的“中继UE接收到远端UE发送的第二消息时，或者，中继UE向远端UE发送第三消息时”，而前述的中继UE收到远端UE发送的第一消息时(即本公开中的中继UE的激活状态的开始时间之前)所处的激活状态并非是由本公开的流程来控制其开始时间和停止时间的，而是由其他流程来控制其激活状态的开始时间和停止时间的，与本公开的激活状态的激活时间不冲突。
图7为本公开实施例所提供的一种激活状态确定方法的流程示意图，该方法由网络设备执行，如图7所示，该激活状态确定方法可以包括以下步骤：
步骤701、向中继UE配置定时器的定时时长。
其中，在本公开的一个实施例之中，该定时器主要用于：当中继UE接收到远端UE发送的第一消 息时，不立即进入激活状态，而是基于该定时器的定时时长延迟进入激活状态。
具体的，由前述内容可知，中继UE进入激活状态是为了监听远端UE与中继UE之间的SL，以确保中继UE能够成功接收到远端UE发送的消息，从而使得中继UE能够在远端UE与网络设备之间成功起到中继作用，保证远端UE请求的特定流程能够成功进行。
但是，需要说明的是，当中继UE接收到远端UE发送的第一消息后，中继UE会先将该第一消息转发至网络设备，并接收网络设备对该第一消息的响应消息，之后，再将该响应消息发送至远端UE，并再接收远端UE返回的消息。由此可知，中继UE接收到远端UE发送的第一消息之后，并不需要立刻再从远端UE处接收消息，而是要先经过一段时间之后，再从远端UE处接收到消息。基于此，在本公开的一个实施例之中，当中继UE接收到远端UE发送的第一消息之后，可以不用立即进入激活状态，而是先基于定时器定时一段时间，当该定时器超时时，中继UE再延迟进入激活状态，从而可以缩短中继UE处于激活状态的时间，节省了电量。并且，在本公开的一个实施例之中，该定时器的定时时长满足以下条件：定时时长小于或等于中继UE与远端UE之间的相邻两次交互之间的最短间隔，由此，当定时器超时后中继UE再延迟进入激活状态时，不会影响中继UE与远端UE之间的正常交互，保证了SL的通信稳定性。
综上所述，本公开提供的激活状态确定方法之中，网络设备会向中继UE配置定时器的定时时长，以便中继UE可以基于该定时器的定时时长来确定其激活状态的开始时间，同时，中继UE还会确定其激活状态的停止时间。其中，本公开中，当远端UE请求特定流程时，中继UE会进入激活状态，当远端UE请求的特定流程执行完成或被拒绝执行时，中继UE会停止激活状态。则可确保远端UE请求特定流程的整个过程中，中继UE均处于激活状态，避免出现“远端UE请求的特定流程还未完成，中继UE就进入了SL DRX睡眠状态”这一情况，从而确保了远端UE请求的特定流程的准时执行，避免了特定流程的延迟，保证了SL的通信稳定性。
图8为本公开实施例所提供的一种通信装置的结构示意图，如图8所示，装置可以包括：
处理模块，用于响应于接收到远端UE发送的第一消息，所述中继UE进入激活状态，以监听远端UE与中继UE之间的侧行链路SL；所述第一消息用于请求特定流程或通过第一传输方式传输；
所述处理模块，还用于响应于满足特定条件，所述中继UE停止激活状态；所述特定条件包括特定流程执行完成、特定流程被拒绝执行、中继UE通过第一传输方式传输了消息、中继UE通过第二传输方式传输了消息中的任一种。
综上所述，在本公开实施例提供的通信装置之中，响应于中继UE接收到远端UE发送的第一消息，该中继UE进入激活状态，以监听远端UE与中继UE之间的SL；该第一消息用于请求特定流程或通过第一传输方式传输；响应于满足特定条件，中继UE停止激活状态；该特定条件包括特定流程执行完成、特定流程被拒绝执行、中继UE通过第一传输方式传输了消息、中继UE通过第二传输方式传输了消息中的任一种。其中，在本公开中，当中继UE接收到远端UE发送的用于请求特定流程或通过第一传输方式传输的第一消息时，说明远端UE向中继UE请求了特定流程；当中继UE通过第一传输方式传输了消息时，说明远端UE请求的特定流程被拒绝执行；当中继UE通过第二传输方式传输了消息时，说明远端UE请求的特定流程执行完成。由此可知，本公开中，当远端UE请求特定流程时，中继UE会进入激活状态，当远端UE请求的特定流程执行完成或被拒绝执行时，中继UE会停止激活状态。则可确保远端UE请求特定流程的整个过程中，中继UE均处于激活状态，避免出现“远端UE请求的特定流程还未完成，中继UE就进入了SL DRX睡眠状态”这一情况，从而确保了远端UE请求的特定流程的准时执行，避免了特定流程的延迟，保证了SL的通信稳定性。
可选的，在本公开的一个实施例之中，所述特定流程包括以下至少一种：
无线资源控制RRC连接建立流程；
RRC连接恢复流程；
RRC连接重建流程。
可选的，在本公开的一个实施例之中，所述处理模块还用于：
在接收到所述第一消息后，所述中继UE立即进入激活状态。
可选的，在本公开的一个实施例之中，所述处理模块还用于括：
在接收到所述第一消息后，启动定时器；
响应于所述定时器超时，所述中继UE进入激活状态。
可选的，在本公开的一个实施例之中，所述装置还用于：
接收网络设备为所述定时器配置的定时时长。
可选的，在本公开的一个实施例之中，所述处理模块还用于以下任一种：
响应于所述中继UE接收到远端UE发送的第二消息，所述中继UE停止所述激活状态；
响应于所述中继UE向所述远端UE发送第三消息，所述中继UE停止所述激活状态。
可选的，在本公开的一个实施例之中，所述第二消息通过第二传输方式传输或用于指示所述特定流程执行完成。
可选的，在本公开的一个实施例之中，所述第三消息通过第一传输方式传输或用于指示所述特定流程被拒绝执行。
可选的，在本公开的一个实施例之中，所述第一传输方式包括以下至少一种：
通过第一承载传输；
通过特定逻辑信道传输；
通过第一无线链路控制RLC传输。
可选的，在本公开的一个实施例之中，所述第二传输方式包括以下至少一种：
通过第二承载传输；
通过特定逻辑信道传输；
通过第二RLC传输。
可选的，在本公开的一个实施例之中，所述用于请求特定流程的第一消息包括以下至少一种：
RRC建立请求消息；
RRC恢复请求消息；
RRC重建请求消息。
可选的，在本公开的一个实施例之中，所述用于指示所述特定流程执行完成的第二消息包括以下至少一种：
RRC建立完成消息；
RRC恢复完成消息；
RRC重建完成消息。
可选的，在本公开的一个实施例之中，所述用于指示所述特定流程被拒绝执行的第三消息包括RRC拒绝消息。
可选的，在本公开的一个实施例之中，所述第一承载包括信令无线承载SRB0；所述第一RLC包括SL-RLC0。
可选的，在本公开的一个实施例之中，所述第二承载包括SRB1；所述第二RLC包括SL-RLC1。
图9为本公开实施例所提供的一种通信装置的结构示意图，如图9所示，装置可以包括：
收发模块，用于向中继UE配置定时器的定时时长。
综上所述，在本公开实施例提供的通信装置之中，网络设备会向中继UE配置定时器的定时时长，以便中继UE可以基于该定时器的定时时长来确定其激活状态的开始时间，同时，中继UE还会确定其激活状态的停止时间。其中，本公开中，当远端UE请求特定流程时，中继UE会进入激活状态，当远端UE请求的特定流程执行完成或被拒绝执行时，中继UE会停止激活状态。则可确保远端UE请求特定流程的整个过程中，中继UE均处于激活状态，避免出现“远端UE请求的特定流程还未完成，中继UE就进入了SL DRX睡眠状态”这一情况，从而确保了远端UE请求的特定流程的准时执行，避免了特定流程的延迟，保证了SL的通信稳定性。
请参见图10，图10是本申请实施例提供的一种通信装置1000的结构示意图。通信装置1000可以是网络设备，也可以是终端设备，也可以是支持网络设备实现上述方法的芯片、芯片系统、或处理器等， 还可以是支持终端设备实现上述方法的芯片、芯片系统、或处理器等。该装置可用于实现上述方法实施例中描述的方法，具体可以参见上述方法实施例中的说明。
通信装置1000可以包括一个或多个处理器1001。处理器1001可以是通用处理器或者专用处理器等。例如可以是基带处理器或中央处理器。基带处理器可以用于对通信协议以及通信数据进行处理，中央处理器可以用于对通信装置(如，基站、基带芯片，终端设备、终端设备芯片，DU或CU等)进行控制，执行计算机程序，处理计算机程序的数据。
可选的，通信装置1000中还可以包括一个或多个存储器1002，其上可以存有计算机程序1004，处理器1001执行所述计算机程序1004，以使得通信装置1000执行上述方法实施例中描述的方法。可选的，所述存储器1002中还可以存储有数据。通信装置1000和存储器1002可以单独设置，也可以集成在一起。
可选的，通信装置1000还可以包括收发器1005、天线1006。收发器1005可以称为收发单元、收发机、或收发电路等，用于实现收发功能。收发器1005可以包括接收器和发送器，接收器可以称为接收机或接收电路等，用于实现接收功能；发送器可以称为发送机或发送电路等，用于实现发送功能。
可选的，通信装置1000中还可以包括一个或多个接口电路1007。接口电路1007用于接收代码指令并传输至处理器1001。处理器1001运行所述代码指令以使通信装置1000执行上述方法实施例中描述的方法。
在一种实现方式中，处理器1001中可以包括用于实现接收和发送功能的收发器。例如该收发器可以是收发电路，或者是接口，或者是接口电路。用于实现接收和发送功能的收发电路、接口或接口电路可以是分开的，也可以集成在一起。上述收发电路、接口或接口电路可以用于代码/数据的读写，或者，上述收发电路、接口或接口电路可以用于信号的传输或传递。
在一种实现方式中，处理器1001可以存有计算机程序1003，计算机程序1003在处理器1001上运行，可使得通信装置1000执行上述方法实施例中描述的方法。计算机程序1003可能固化在处理器1001中，该种情况下，处理器1001可能由硬件实现。
在一种实现方式中，通信装置1000可以包括电路，所述电路可以实现前述方法实施例中发送或接收或者通信的功能。本申请中描述的处理器和收发器可实现在集成电路(integrated circuit，IC)、模拟IC、射频集成电路RFIC、混合信号IC、专用集成电路(application specific integrated circuit，ASIC)、印刷电路板(printed circuit board，PCB)、电子设备等上。该处理器和收发器也可以用各种IC工艺技术来制造，例如互补金属氧化物半导体(complementary metal oxide semiconductor，CMOS)、N型金属氧化物半导体(nMetal-oxide-semiconductor，NMOS)、P型金属氧化物半导体(positive channel metal oxide semiconductor，PMOS)、双极结型晶体管(bipolar junction transistor，BJT)、双极CMOS(BiCMOS)、硅锗(SiGe)、砷化镓(GaAs)等。
以上实施例描述中的通信装置可以是网络设备或者终端设备，但本申请中描述的通信装置的范围并不限于此，而且通信装置的结构可以不受图10的限制。通信装置可以是独立的设备或者可以是较大设备的一部分。例如所述通信装置可以是：
(1)独立的集成电路IC，或芯片，或，芯片系统或子系统；
(2)具有一个或多个IC的集合，可选的，该IC集合也可以包括用于存储数据，计算机程序的存储部件；
(3)ASIC，例如调制解调器(Modem)；
(4)可嵌入在其他设备内的模块；
(5)接收机、终端设备、智能终端设备、蜂窝电话、无线设备、手持机、移动单元、车载设备、网络设备、云设备、人工智能设备等等；
(6)其他等等。
对于通信装置可以是芯片或芯片系统的情况，可参见图11所示的芯片的结构示意图。图11所示的芯片包括处理器1101和接口1102。其中，处理器1101的数量可以是一个或多个，接口1102的数量可以是多个。
可选的，芯片还包括存储器1103，存储器1103用于存储必要的计算机程序和数据。
本领域技术人员还可以了解到本申请实施例列出的各种说明性逻辑块(illustrative logical block)和步骤(step)可以通过电子硬件、电脑软件，或两者的结合进行实现。这样的功能是通过硬件还是软件来实现取决于特定的应用和整个系统的设计要求。本领域技术人员可以对于每种特定的应用，可以使用各种方法实现所述的功能，但这种实现不应被理解为超出本申请实施例保护的范围。
本申请还提供一种可读存储介质，其上存储有指令，该指令被计算机执行时实现上述任一方法实施例的功能。
本申请还提供一种计算机程序产品，该计算机程序产品被计算机执行时实现上述任一方法实施例的功能。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机程序。在计算机上加载和执行所述计算机程序时，全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机程序可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机程序可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line，DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如，软盘、硬盘、磁带)、光介质(例如，高密度数字视频光盘(digital video disc，DVD))、或者半导体介质(例如，固态硬盘(solid state disk，SSD))等。
本领域普通技术人员可以理解：本申请中涉及的第一、第二等各种数字编号仅为描述方便进行的区分，并不用来限制本申请实施例的范围，也表示先后顺序。
本申请中的至少一个还可以描述为一个或多个，多个可以是两个、三个、四个或者更多个，本申请不做限制。在本申请实施例中，对于一种技术特征，通过“第一”、“第二”、“第三”、“A”、“B”、“C”和“D”等区分该种技术特征中的技术特征，该“第一”、“第二”、“第三”、“A”、“B”、“C”和“D”描述的技术特征间无先后顺序或者大小顺序。
本申请中各表所示的对应关系可以被配置，也可以是预定义的。各表中的信息的取值仅仅是举例，可以配置为其他值，本申请并不限定。在配置信息与各参数的对应关系时，并不一定要求必须配置各表中示意出的所有对应关系。例如，本申请中的表格中，某些行示出的对应关系也可以不配置。又例如，可以基于上述表格做适当的变形调整，例如，拆分，合并等等。上述各表中标题示出参数的名称也可以采用通信装置可理解的其他名称，其参数的取值或表示方式也可以通信装置可理解的其他取值或表示方式。上述各表在实现时，也可以采用其他的数据结构，例如可以采用数组、队列、容器、栈、线性表、指针、链表、树、图、结构体、类、堆、散列表或哈希表等。
本申请中的预定义可以理解为定义、预先定义、存储、预存储、预协商、预配置、固化、或预烧制。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (21)

  1. 一种激活状态确定方法，其特征在于，所述方法被中继用户设备UE执行，包括：
    响应于接收到远端UE发送的第一消息，所述中继UE进入激活状态，以监听远端UE与中继UE之间的侧行链路SL；所述第一消息用于请求特定流程或通过第一传输方式传输；
    响应于满足特定条件，所述中继UE停止激活状态；所述特定条件包括特定流程执行完成、特定流程被拒绝执行、中继UE通过第一传输方式传输了消息、中继UE通过第二传输方式传输了消息中的任一种。
  2. 如权利要求1所述的方法，其特征在于，所述特定流程包括以下至少一种：
    无线资源控制RRC连接建立流程；
    RRC连接恢复流程；
    RRC连接重建流程。
  3. 如权利要求1所述的方法，其特征在于，所述中继UE进入激活状态，包括：
    在接收到所述第一消息后，所述中继UE立即进入激活状态。
  4. 如权利要求1所述的方法，其特征在于，所述中继UE进入激活状态，包括：
    在接收到所述第一消息后，启动定时器；
    响应于所述定时器超时，所述中继UE进入激活状态。
  5. 如权利要求4所述的方法，其特征在于，所述方法还包括：
    接收网络设备为所述定时器配置的定时时长。
  6. 如权利要求1所述的方法，其特征在于，所述中继UE停止激活状态，包括以下任一种：
    响应于所述中继UE接收到远端UE发送的第二消息，所述中继UE停止所述激活状态；
    响应于所述中继UE向所述远端UE发送第三消息，所述中继UE停止所述激活状态。
  7. 如权利要求6所述的方法，其特征在于，所述第二消息通过第二传输方式传输或用于指示所述特定流程执行完成。
  8. 如权利要求6所述的方法，其特征在于，所述第三消息通过第一传输方式传输或用于指示所述特定流程被拒绝执行。
  9. 如权利要求1或8所述的方法，其特征在于，所述第一传输方式包括以下至少一种：
    通过第一承载传输；
    通过特定逻辑信道传输；
    通过第一无线链路控制RLC传输。
  10. 如权利要求7所述的方法，其特征在于，所述第二传输方式包括以下至少一种：
    通过第二承载传输；
    通过特定逻辑信道传输；
    通过第二RLC传输。
  11. 如权利要求1所述的方法，其特征在于，所述用于请求特定流程的第一消息包括以下至少一种：
    RRC建立请求消息；
    RRC恢复请求消息；
    RRC重建请求消息。
  12. 如权利要求7所述的方法，其特征在于，所述用于指示所述特定流程执行完成的第二消息包括以下至少一种：
    RRC建立完成消息；
    RRC恢复完成消息；
    RRC重建完成消息。
  13. 如权利要求8所述的方法，其特征在于，所述用于指示所述特定流程被拒绝执行的第三消息包括RRC拒绝消息。
  14. 如权利要求9所述的方法，其特征在于，所述第一承载包括信令无线承载SRB0；所述第一 RLC包括SL-RLC0。
  15. 如权利要求10所述的方法，其特征在于，所述第二承载包括SRB1；所述第二RLC包括SL-RLC1。
  16. 一种激活状态确定方法，其特征在于，所述方法网络设备执行，包括：
    向中继UE配置定时器的定时时长。
  17. 一种通信装置，被配置在中继UE中，包括：
    处理模块，用于响应于接收到远端UE发送的第一消息，所述中继UE进入激活状态，以监听远端UE与中继UE之间的侧行链路SL；所述第一消息用于请求特定流程或通过第一传输方式传输；
    所述处理模块，还用于响应于满足特定条件，所述中继UE停止激活状态；所述特定条件包括特定流程执行完成、特定流程被拒绝执行、中继UE通过第一传输方式传输了消息、中继UE通过第二传输方式传输了消息中的任一种。
  18. 一种通信装置，被配置在网络设备中，包括：
    收发模块，用于向中继UE配置定时器的定时时长。
  19. 一种通信装置，其特征在于，所述装置包括处理器和存储器，其中，所述存储器中存储有计算机程序，所述处理器执行所述存储器中存储的计算机程序，以使所述装置执行如权利要求1至15中任一项所述的方法，或所述处理器执行所述存储器中存储的计算机程序，以使所述装置执行如权利要求16所述的方法。
  20. 一种通信装置，其特征在于，包括：处理器和接口电路，其中
    所述接口电路，用于接收代码指令并传输至所述处理器；
    所述处理器，用于运行所述代码指令以执行如权利要求1至15中任一项所述的方法，或用于运行所述代码指令以执行如权利要求16所述的方法。
  21. 一种计算机可读存储介质，用于存储有指令，当所述指令被执行时，使如权利要求1至15中任一项所述的方法被实现，或当所述指令被执行时，使如权利要求16所述的方法被实现。
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