WO2022017407A1 - Procédé et appareil de traitement d'informations, dispositif, et support de stockage lisible - Google Patents

Procédé et appareil de traitement d'informations, dispositif, et support de stockage lisible Download PDF

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Publication number
WO2022017407A1
WO2022017407A1 PCT/CN2021/107567 CN2021107567W WO2022017407A1 WO 2022017407 A1 WO2022017407 A1 WO 2022017407A1 CN 2021107567 W CN2021107567 W CN 2021107567W WO 2022017407 A1 WO2022017407 A1 WO 2022017407A1
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WIPO (PCT)
Prior art keywords
relay
rrc
remote
indication information
cell
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PCT/CN2021/107567
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English (en)
Chinese (zh)
Inventor
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 WO2022017407A1 publication Critical patent/WO2022017407A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/18—Management of setup rejection or failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user

Definitions

  • the present application relates to the field of communication technologies, and in particular, to an information processing method, apparatus, device, and readable storage medium.
  • the relay can be a terminal with relay function.
  • UE-to-Network Relay UE to network relay
  • the interface between the relay UE and the network uses the Uu interface
  • the interface between the relay UE (User Equipment, user equipment) and the remote UE (Remote UE) uses a direct communication interface.
  • the remote UE may also be referred to as a relayed UE, and the remote UE may establish a connection with the network or with other remote UEs through the relay UE.
  • the link between the relay UE and the network may be called a backhaul link (BH) for the remote UE.
  • BH backhaul link
  • RRC_IDLE Radio Resource Control
  • RRC_CONNECTED RRC connected state
  • RRC_IDLE RRC idle state
  • RRC_CONNECTED RRC connected state
  • RRC_CONNECTED RRC connected state
  • RRC_IDLE RRC idle state
  • RRC_CONNECTED RRC connected state
  • RRC_CONNECTED RRC connected state
  • RRC_IDLE RRC_IDLE
  • RRC_INACTIVE RRC inactive state
  • RRC_CONNECTED RRC_CONNECTED
  • the relay UE In the LTE system, if the UE works as a relay, it is mandatory that the relay UE must be in the RRC_CONNECTED state. However, for the NR system, how to ensure the normal operation of the entire relay system when the state of the relay UE changes is a problem that needs to be solved.
  • Embodiments of the present application provide an information processing method, apparatus, device, and readable storage medium, so as to ensure that the entire relay system can still work normally when the state of the relay UE changes.
  • an embodiment of the present application provides an information processing method, which is applied to a relay user equipment UE, including:
  • first indication information is sent to the remote UE, where the first indication information is used to indicate at least one of the following information to the remote UE:
  • the state change of the relay UE includes at least one of the following situations:
  • the first indication information is used to indicate to the remote UE at least one of the following information:
  • the relay link is a link between the relay UE and the network device.
  • the first indication information is used to indicate at least one of the following information to the remote UE:
  • the relay link is interrupted, and the relay link is the link between the relay UE and the network device;
  • the remote UE is instructed to perform relay UE reselection.
  • the UE identification information used by the remote UE for requesting the restoration of the relay connection is allocated to the remote UE when the network device notifies the relay UE to enter the RRC_INACTIVE state.
  • the method further includes:
  • the second indication information further includes UE identification information used by the remote UE for requesting the restoration of the relay connection.
  • the method also includes:
  • the third indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • the first indication information is used to indicate to the remote UE at least one of the following information :
  • the relay link is interrupted, and the relay link is the relay link between the relay UE and the network device;
  • the remote UE is instructed to perform relay UE reselection.
  • the embodiments of the present application provide an information processing method, which is applied to a remote UE, including:
  • the first indication information is sent by the relay UE when the state of the relay UE is changed, and the first indication information is used to indicate to the remote UE at least one of the following information:
  • the state change of the relay UE includes at least one of the following situations:
  • the processing according to the first indication information includes at least one of the following steps:
  • BSR Buffer Status Report, buffer status report
  • the data that needs to be relayed is sent to the relay UE.
  • the processing according to the first indication information includes:
  • the second indication information further includes UE identification information used by the remote UE for requesting the restoration of the relay connection.
  • the processing is performed according to the first indication information, include:
  • Relay UE reselection is performed according to the first indication information.
  • an embodiment of the present application provides an information processing method, which is applied to a network device in a first cell, including:
  • the relay UE receiving third indication information sent by the relay UE, where the third indication information is used to request to restore the RRC connection of the relay UE on the Uu interface, and the first cell is the cell where the relay UE currently resides;
  • the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state;
  • the third indication information is sent when the state of the relay UE needs to be changed, and the state of the relay UE needs to be changed from RRC_CONNECTED to RRC_INACTIVE.
  • the third indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • the fourth indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • an embodiment of the present application provides an information processing method, which is applied to a network device in a second cell, including:
  • the fourth indication information is sent by the network device of the first cell according to the third indication information of the relay UE, and the third indication information is sent when the state of the relay UE needs to be changed , and the state of the relay UE needs to be changed from RRC_CONNECTED to RRC_INACTIVE.
  • the fourth indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • the method also includes:
  • the identity information of the target remote UE stored in the second cell is not included in the fourth indication information, delete the context of the target remote UE, where the target remote UE includes the second cell stored The remote UE associated with the relay UE.
  • an embodiment of the present application provides an information processing apparatus, which is applied to a relay UE, including:
  • the first sending module is configured to send first indication information to the remote UE if the state of the relay UE is changed, where the first indication information is used to indicate at least one of the following information to the remote UE:
  • an embodiment of the present application provides an information processing apparatus, which is applied to a remote UE, including:
  • a first receiving module configured to receive the first indication information sent by the relay UE
  • a first processing module configured to perform processing according to the first indication information
  • the first indication information is sent by the relay UE when the state of the relay UE is changed, and the first indication information is used to indicate to the remote UE at least one of the following information:
  • an embodiment of the present application provides an information processing apparatus, which is applied to a network device of a first cell, including:
  • a first receiving module configured to receive third indication information sent by the relay UE, where the third indication information is used to request to restore the RRC connection of the relay UE on the Uu interface, and the first cell is the relay The cell where the UE currently resides;
  • the first sending module is configured to send fourth indication information to the network device of the second cell through the inter-base station or inter-cell interface, where the fourth indication information is used to request the UE context of the relay UE, or, the middle The UE context of the remote UE served by the relay UE and the relay UE; the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state;
  • the third indication information is sent when the state of the relay UE needs to be changed, and the state of the relay UE needs to be changed from RRC_CONNECTED to RRC_INACTIVE.
  • an embodiment of the present application provides an information processing apparatus, which is applied to a network device in a second cell, including:
  • a first receiving module configured to receive fourth indication information sent by the network device of the first cell, where the fourth indication information is used to request the UE context of the relay UE, or, the relay UE and the relay UE UE context of the serving remote UE;
  • a first sending module configured to send the relay UE or the UE context of the relay UE and the remote UE served by the relay UE to the network device of the first cell according to the fourth indication information;
  • the fourth indication information is sent by the network device of the first cell according to the third indication information of the relay UE, and the third indication information is sent when the state of the relay UE needs to be changed , and the state of the relay UE needs to be changed from RRC_CONNECTED to RRC_INACTIVE.
  • an embodiment of the present application provides an information processing device, which is applied to a relay UE, including: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor;
  • the processor is used to read the program in the memory and execute the following processes:
  • first indication information is sent to the remote UE, where the first indication information is used to indicate at least one of the following information to the remote UE:
  • the state change of the relay UE includes at least one of the following situations:
  • the first indication information is used to indicate to the remote UE at least one of the following information:
  • the relay link is a link between the relay UE and the network device.
  • the first indication information is used to indicate at least one of the following information to the remote UE:
  • the relay link is interrupted, and the relay link is the link between the relay UE and the network device;
  • the remote UE is instructed to perform relay UE reselection.
  • the UE identification information used by the remote UE for requesting the restoration of the relay connection is allocated to the remote UE when the network device notifies the relay UE to enter the RRC_INACTIVE state.
  • the processor is further configured to read the program in the memory, and perform the following process:
  • the second indication information further includes UE identification information used by the remote UE for requesting the restoration of the relay connection.
  • the processor is also used to read the program in the memory, and execute the following process:
  • the third indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • the first indication information is used to indicate to the remote UE at least one of the following information :
  • the relay link is interrupted, and the relay link is the relay link between the relay UE and the network device;
  • the remote UE is instructed to perform relay UE reselection.
  • an embodiment of the present application provides an information processing device, which is applied to a remote UE, including: a transceiver, a memory, a processor, and a program stored in the memory and executable on the processor;
  • the processor for reading the program in the memory, performs the following processes:
  • the first indication information is sent by the relay UE when the state of the relay UE is changed, and the first indication information is used to indicate to the remote UE at least one of the following information:
  • the state change of the relay UE includes at least one of the following situations:
  • the processor is further configured to read the program in the memory, and perform at least one of the following processes:
  • the data that needs to be relayed is sent to the relay UE.
  • the processor is further configured to read the program in the memory, and perform the following process:
  • the second indication information further includes UE identification information used by the remote UE for requesting the restoration of the relay connection.
  • the processor is further configured to read the data stored in the memory. program, perform the following procedures:
  • Relay UE reselection is performed according to the first indication information.
  • an embodiment of the present application provides an information processing device, which is applied to a network device in a first cell, including: a transceiver, a memory, and a processor, and a device stored in the memory and available on the processor A running program; it is characterized in that, the processor, for reading the program in the memory, executes the following process:
  • the relay UE receiving third indication information sent by the relay UE, where the third indication information is used to request to restore the RRC connection of the relay UE on the Uu interface, and the first cell is the cell where the relay UE currently resides;
  • the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state;
  • the third indication information is sent when the state of the relay UE needs to be changed, and the state of the relay UE needs to be changed from RRC_CONNECTED to RRC_INACTIVE.
  • the third indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is a cell where the relay UE resides before entering the RRC_INACTIVE state;
  • the fourth indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • an embodiment of the present application provides an information processing device, which is applied to a network device in a second cell, including: a transceiver, a memory, and a processor, and a device stored in the memory and available on the processor A running program; the processor, for reading the program in the memory, performs the following processes:
  • the fourth indication information sending the relay UE or the UE context of the relay UE and the remote UE served by the relay UE to the network device of the first cell;
  • the fourth indication information is sent by the network device of the first cell according to the third indication information of the relay UE, and the third indication information is sent when the state of the relay UE needs to be changed , and the state of the relay UE needs to be changed from RRC_CONNECTED to RRC_INACTIVE.
  • the fourth indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • the processor is also used to read the program in the memory, and execute the following process:
  • the identity information of the target remote UE stored in the second cell is not included in the fourth indication information, delete the context of the target remote UE, where the target remote UE includes the second cell stored The remote UE associated with the relay UE.
  • an embodiment of the present application provides a readable storage medium for storing a program, characterized in that, when the program is executed by a processor, the steps in the information processing method according to any one of the preceding aspects are implemented. .
  • first indication information is sent to the remote UE, so as to indicate to the remote UE the current state of the relay UE and the actions to be performed by the remote UE. at least one of the operations. Therefore, by using the solutions of the embodiments of the present application, it can be ensured that the entire relay system can still work normally when the state of the relay UE is changed.
  • Fig. 1 is one of the flowcharts of the information processing method provided by the embodiment of the present application.
  • FIG. 2 is the second flowchart of the information processing method provided by the embodiment of the present application.
  • FIG. 4 is the fourth flowchart of the information processing method provided by the embodiment of the present application.
  • FIG. 5 is the fifth flowchart of the information processing method provided by the embodiment of the present application.
  • FIG. 6 is the sixth flowchart of the information processing method provided by the embodiment of the present application.
  • FIG. 7 is the seventh flowchart of the information processing method provided by the embodiment of the present application.
  • FIG. 8 is the eighth flow chart of the information processing method provided by the embodiment of the present application.
  • Fig. 9 is the ninth flow chart of the information processing method provided by the embodiment of the present application.
  • FIG. 10 is one of the structural diagrams of an information processing apparatus provided by an embodiment of the present application.
  • FIG. 11 is a second structural diagram of an information processing apparatus provided by an embodiment of the present application.
  • FIG. 12 is a third structural diagram of an information processing apparatus provided by an embodiment of the present application.
  • FIG. 13 is a fourth structural diagram of an information processing apparatus provided by an embodiment of the present application.
  • FIG. 15 is a second structural diagram of an information processing device provided by an embodiment of the present application.
  • FIG. 1 is a flowchart of an information processing method provided by an embodiment of the present application, which is applied to a relay UE. As shown in FIG. 1, the following steps are included:
  • Step 101 If the state of the relay UE changes, send first indication information to the remote UE, where the first indication information is used to indicate at least one of the following information to the remote UE:
  • the state of the relay UE may include the RRC state of the relay and the like.
  • the current state of the relay UE may be understood as the state of the RRC after the state of the relay UE is changed, and the operations to be performed by the remote UE may include, for example, reselection of the relay UE.
  • the state change of the relay UE includes at least one of the following situations:
  • the first indication information is used to indicate at least one of the following information to the remote UE:
  • the relay link is a link between the relay UE and the network device.
  • the first indication information is used to indicate at least one of the following information to the remote UE:
  • the UE identification information used by the remote UE for requesting the restoration of the relay connection is allocated to the remote UE when the network device notifies the relay UE to enter the RRC_INACTIVE state.
  • the method may further include: receiving second indication information sent by the remote UE, and the second indication information uses to indicate that the remote UE has a relay requirement.
  • the second indication information further includes UE identification information used by the remote UE for requesting the restoration of the relay connection.
  • the method may further include: sending third indication information to the network device through the first cell, where the third indication information is used to request to restore the RRC connection of the relay UE on the Uu interface, the The first cell is a cell where the relay UE currently resides.
  • the third indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • the first indication information is used to indicate at least one of the following information to the remote UE:
  • first indication information is sent to the remote UE, so as to indicate to the remote UE the current state of the relay UE and the actions to be performed by the remote UE. at least one of the operations. Therefore, by using the solutions of the embodiments of the present application, it can be ensured that the entire relay system can still work normally when the state of the relay UE is changed.
  • FIG. 2 is a flowchart of an information processing method provided by an embodiment of the present application, applied to a remote UE, as shown in FIG. 2, including the following steps:
  • Step 201 Receive first indication information sent by the relay UE.
  • the first indication information is sent by the relay UE when the state of the relay UE is changed, and the first indication information is used to indicate to the remote UE at least one of the following Information: the current status of the relay UE, and the operations to be performed by the remote UE.
  • the state change of the relay UE includes at least one of the following situations:
  • Step 202 processing according to the first indication information
  • this step may include at least one of the following steps:
  • the data that needs to be relayed is sent to the relay UE.
  • this step may include:
  • the second indication information further includes UE identification information used by the remote UE for requesting the restoration of the relay connection.
  • this step may include:
  • Relay UE reselection is performed according to the first indication information.
  • first indication information is sent to the remote UE, so as to indicate to the remote UE the current state of the relay UE and the actions to be performed by the remote UE. at least one of the operations. Therefore, by using the solutions of the embodiments of the present application, it can be ensured that the entire relay system can still work normally when the state of the relay UE is changed.
  • FIG. 3 is a flowchart of an information processing method provided by an embodiment of the present application, applied to a network device of a first cell, as shown in FIG. 3, including the following steps:
  • Step 301 Receive the third indication information sent by the relay UE, where the third indication information is used to request to restore the RRC connection of the relay UE on the Uu interface, and the first cell is where the relay UE currently resides. 's district.
  • the third indication information is sent when the state of the relay UE needs to be changed, and the state of the relay UE needs to be changed from RRC_CONNECTED to RRC_INACTIVE.
  • the third indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • Step 302 Send fourth indication information to the network device of the second cell through the inter-base station or inter-cell interface, where the fourth indication information is used to request the UE context of the relay UE, or the relay UE and the The UE context of the remote UE served by the relay UE.
  • the second cell is a cell where the relay UE resides before entering the RRC_INACTIVE state.
  • the fourth indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • first indication information is sent to the remote UE, so as to indicate to the remote UE the current state of the relay UE and the actions to be performed by the remote UE. at least one of the operations. Therefore, by using the solutions of the embodiments of the present application, it can be ensured that the entire relay system can still work normally when the state of the relay UE is changed.
  • FIG. 4 is a flowchart of an information processing method provided by an embodiment of the present application, applied to a network device of a second cell, as shown in FIG. 4, including the following steps:
  • Step 401 Receive fourth indication information sent by the network device of the first cell, where the fourth indication information is used to request the UE context of the relay UE, or the relay UE and the remote end served by the relay UE UE context of the UE.
  • Step 402 According to the fourth indication information, send the relay UE or the UE context of the relay UE and the remote UE served by the relay UE to the network device of the first cell.
  • the fourth indication information is sent by the network device of the first cell according to the third indication information of the relay UE, and the third indication information is sent when the state of the relay UE needs to be changed , and the state of the relay UE needs to be changed from RRC_CONNECTED to RRC_INACTIVE.
  • the fourth indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • the method may further include:
  • the identity information of the target remote UE stored in the second cell is not included in the fourth indication information, delete the context of the target remote UE, where the target remote UE includes the second cell stored The remote UE associated with the relay UE.
  • first indication information is sent to the remote UE, so as to indicate to the remote UE the current state of the relay UE and the actions to be performed by the remote UE. at least one of the operations. Therefore, by using the solutions of the embodiments of the present application, it can be ensured that the entire relay system can still work normally when the state of the relay UE is changed.
  • FIG. 5 is a flowchart of an information processing method provided by an embodiment of the present application.
  • the relay UE is changed from RRC_IDLE or RRC_INACTIVE to RRC_CONNECTED. As shown in Figure 5, it includes the following steps:
  • Step 501 RRC connection/recovery is established between the relay UE and the network device.
  • the relay UE changes from the RRC_IDLE or RRC_INACTIVE state to the RRC_CONNECTED state.
  • Step 502 The relay UE sends first indication information to the remote UE.
  • the first indication information is used to indicate at least one of the following information to the remote UE:
  • the relay link is a link between the relay UE and the network device.
  • Step 503 the remote UE sends data through the direct communication interface.
  • the remote UE may send the direct communication interface BSR and/or the data to be relayed to the relay UE.
  • FIG. 6 is a flowchart of an information processing method provided by an embodiment of the present application.
  • the relay UE is changed from RRC_CONNECTED to RRC_INACTIVE.
  • the RRC connection recovery message carries the UE identification information used by the relay UE for requesting the RRC connection recovery of the Uu interface. It is assumed that the cell where the relay UE currently resides is the first cell, and the serving cell before the relay UE enters RRC_INACTIVE is the second cell. As shown in Figure 6, it includes the following steps:
  • Step 601 the second cell notifies the relay UE to enter the RRC_INACTIVE state.
  • the second cell notifies the relay UE to enter RRC_INACTIVE through an RRC message.
  • the RRC message may be RRC release with suspendConfig. Of course, it can also be implemented through other RRC messages.
  • the RRC message at least includes UE identification information used by the relay UE for requesting Uu interface RRC connection recovery.
  • Step 602 The relay UE sends first indication information to the remote UE.
  • the first indication information is used to indicate at least one of the following information to the remote UE:
  • the relay link is interrupted, and the relay link is the link between the relay UE and the network device;
  • the remote UE is instructed to perform relay UE reselection.
  • Step 603 a response message of the first indication message.
  • step 603 If the first indication message needs a response, step 603 needs to be performed. Otherwise, step 603 can be skipped.
  • Step 604 The remote UE sends a second indication message to the relay UE.
  • the second indication information is sent by the remote UE, and is used to indicate that the remote UE has a relay requirement.
  • Step 605 The relay UE sends third indication information to the first cell.
  • the relay UE sends third indication information to the network device of the first cell.
  • the third indication information is used to request to restore the RRC connection of the relay UE on the Uu interface.
  • the third indication information includes at least UE identification information used by the relay UE when requesting the Uu interface RRC connection recovery.
  • the relay UE may also be used as the identification information of the relay UE working.
  • Step 606 The first cell requests the second cell for the UE context of the relay UE or the relay UE and the remote UE served by the relay UE, and the second cell sends the relay UE or the relay UE and the remote UE served by the relay UE to the first cell.
  • UE context of the remote UE served by the relay UE UE.
  • the serving base station of the first cell needs to send fourth indication information to the serving base station of the second cell (for example, sending the fourth indication information through a RETRIEVE UE CONTEXT REQUEST message).
  • the fourth indication information is used to request to obtain the UE context of the relay UE or the relay UE and the remote UE.
  • the fourth indication information includes at least: UE identification information used by the relay UE for requesting Uu interface RRC connection recovery.
  • the relay UE may also be used as the identification information of the relay UE working.
  • the second cell receives the fourth indication information, and sends the relay UE or the UE context (context) of the relay UE and the remote UE to the first cell through the inter-base station interface, for example
  • the second cell may use the RETRIEVE UE CONTEXT RESPONSE message to send the relay UE or the UE context (context) of the relay UE and the remote UE to the first cell through the inter-base station interface.
  • Steps 607-608 The relay UE completes the RRC connection recovery in the first cell.
  • the first cell sends an RRC connection recovery response to the relay UE, and the relay UE sends an RRC connection establishment message to the first cell.
  • the subsequent operations may refer to steps 502 and 503 shown in FIG. 5 .
  • FIG. 7 is a flowchart of an information processing method provided by an embodiment of the present application.
  • the relay UE is changed from RRC_CONNECTED to RRC_INACTIVE.
  • the RRC connection recovery message carries the UE identification information used by the relay UE when requesting the RRC connection recovery of the Uu interface and the UE identification information used by the remote UE when requesting the relay connection recovery. It is assumed that the cell where the relay UE currently resides is the first cell, and the serving cell before the relay UE enters RRC_INACTIVE is the second cell. As shown in Figure 7, it includes the following steps:
  • Step 701 the second cell notifies the relay UE to enter RRC_INACTIVE.
  • the second cell notifies the relay UE to enter RRC_INACTIVE through an RRC message.
  • the RRC message may be RRC release with suspendConfig. Of course, it can also be implemented through other RRC messages.
  • the RRC message at least includes UE identification information used by the relay UE for requesting Uu interface RRC connection recovery. Optionally, it may also carry UE identity information used by the remote UE for requesting the restoration of the relay connection.
  • Step 702 The relay UE sends first indication information to the remote UE.
  • the first indication information content may include at least one of the following:
  • the relay link is interrupted, and the relay link is the link between the relay UE and the network device;
  • the remote UE is instructed to perform relay UE reselection.
  • Step 703 a response message of the first indication message.
  • step 703 If the first indication message needs a response, step 703 needs to be performed. Otherwise, step 703 can be skipped.
  • Step 704 The remote UE sends a second indication message to the relay UE.
  • the second indication information is sent by the remote UE, and is used to indicate that the remote UE has a relay requirement.
  • the second indication information may further carry the UE identification information used by the remote UE for requesting the restoration of the relay connection or the identification information of the remote UE in the second cell.
  • Step 705 The relay UE sends third indication information to the first cell.
  • the relay UE sends the third indication information to the network through the current camping cell.
  • the third indication information is used to request to restore the RRC connection.
  • the third indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • Step 706 The first cell requests the second cell for the UE context of the relay UE or the relay UE and the remote UE served by the relay UE, and the second cell sends the relay UE or the relay UE and the served UE context to the first cell.
  • UE context of the remote UE served by the relay UE UE.
  • the serving base station of the first cell needs to send fourth indication information to the serving base station of the second cell through the inter-base station interface (for example, sending the fourth indication information through a RETRIEVE UE CONTEXT REQUEST message).
  • the fourth indication information is used to request to obtain the context of the relay UE or the relay UE and the remote UE.
  • the fourth indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • the reason why the identification information of the remote UE is carried is mainly because the relay UE enters the RRC_INACTIVE state and restores it. Some remote UEs may no longer be served by the relay UE, and there is no need for these UEs to obtain their UEs. context.
  • the identity information of the target remote UE stored in the second cell is not included in the fourth indication information, delete the context of the target remote UE, where the target remote UE includes the second cell stored The remote UE associated with the relay UE.
  • the second cell after receiving the fourth indication information, the second cell sends the UE context of the relay UE and the remote UE to the first cell (for example, through a RETRIEVE UE CONTEXT RESPONSE message).
  • the second cell may be directly deleted.
  • Steps 707-708 The relay UE completes the RRC connection recovery in the first cell.
  • the first cell sends an RRC connection recovery response to the relay UE, and the relay UE sends an RRC connection establishment message to the first cell.
  • the subsequent operations may refer to steps 502 and 503 shown in FIG. 5 .
  • FIG. 8 is a flowchart of an information processing method provided by an embodiment of the present application.
  • the relay UE is changed from RRC_CONNECTED or RRC_INACTIVE to RRC_IDLE. As shown in Figure 8, it includes the following steps:
  • Step 801 Release the RRC connection between the relay UE and the network device.
  • the relay UE changes from the RRC_CONNECTED or RRC_INACTIVE state to the RRC_IDLE state.
  • Step 802 The relay UE sends first indication information to the remote UE.
  • the first indication information content may include at least one of the following:
  • the relay link is interrupted, and the relay link is the relay link between the relay UE and the network device;
  • the remote UE is instructed to perform relay UE reselection.
  • the remote UE After receiving the first indication information, the remote UE can perform relay UE reselection.
  • FIG. 9 is a flowchart of an information processing method provided by an embodiment of the present application.
  • the relay UE is changed from RRC_CONNECTED or RRC_INACTIVE to offline. As shown in Figure 9, it includes the following steps:
  • Step 901 the RRC connection between the relay UE and the network device is interrupted, and it becomes an offline state.
  • Step 902 The relay UE sends first indication information to the remote UE.
  • the first indication information content may include at least one of the following:
  • the relay link is interrupted, and the relay link is the relay link between the relay UE and the network device;
  • the remote UE is instructed to perform relay UE reselection.
  • the remote UE After receiving the first indication information, the remote UE can perform relay UE reselection.
  • the method for managing the RRC state of the relay terminal in the relay scenario proposed by the embodiments of the present application can ensure that the entire relay system can still work normally when the relay UE changes the state.
  • FIG. 10 is a structural diagram of an information processing apparatus provided by an embodiment of the present application. Since the principle of the information processing apparatus for solving the problem is similar to the information processing method in the embodiment of the present application, the implementation of the information processing apparatus may refer to the implementation of the method, and the repetition will not be repeated.
  • the information processing apparatus 1000 includes: a first sending module 1001, configured to send first indication information to the remote UE if the state of the relay UE changes, where the first indication information is used to send the information to the remote UE.
  • the remote UE indicates at least one of the following information:
  • the state change of the relay UE includes at least one of the following situations:
  • the first indication information is used to indicate at least one of the following information to the remote UE:
  • the relay link is a link between the relay UE and the network device.
  • the first indication information is used to indicate at least one of the following information to the remote UE:
  • the relay link is interrupted, and the relay link is the link between the relay UE and the network device;
  • the remote UE is instructed to perform relay UE reselection.
  • the UE identification information used by the remote UE for requesting the restoration of the relay connection is allocated to the remote UE when the network device notifies the relay UE to enter the RRC_INACTIVE state.
  • the device may further include:
  • a first receiving module configured to receive second indication information sent by the remote UE if the state change of the relay UE includes a change from RRC_CONNECTED to RRC_INACTIVE, where the second indication information is used to indicate that the remote UE has a medium following demand.
  • the second indication information further includes UE identification information used by the remote UE for requesting the restoration of the relay connection.
  • the apparatus may further include: a second sending module, configured to send third indication information to the network device through the first cell, where the third indication information is used to request to restore the Uu interface of the relay UE
  • the first cell is the cell where the relay UE currently resides.
  • the third indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • the first indication information is used to indicate to the remote UE at least one of the following: kind of information:
  • the relay link is interrupted, and the relay link is the relay link between the relay UE and the network device;
  • the remote UE is instructed to perform relay UE reselection.
  • FIG. 11 is a structural diagram of an information processing apparatus provided by an embodiment of the present application. Since the principle of the information processing apparatus for solving the problem is similar to the information processing method in the embodiment of the present application, the implementation of the information processing apparatus may refer to the implementation of the method, and the repetition will not be repeated.
  • the information processing apparatus 1100 includes:
  • the first receiving module 1101 is used for receiving the first indication information sent by the relay UE; the first processing module 1102 is used for processing according to the first indication information; wherein the first indication information is the relay Sent by the UE when the state of the relay UE has changed, the first indication information is used to indicate at least one of the following information to the remote UE:
  • the state change of the relay UE includes at least one of the following situations:
  • the first processing module is configured to perform at least one of the following:
  • the data that needs to be relayed is sent to the relay UE.
  • the first processing module is configured to send second indication information to the relay UE, where the second indication information is used to indicate the The remote UE has relay requirements.
  • the second indication information further includes UE identification information used by the remote UE for requesting the restoration of the relay connection.
  • the first processing module is configured to The first indication information is used for relay UE reselection.
  • FIG. 12 is a structural diagram of an information processing apparatus provided by an embodiment of the present application. Since the principle of the information processing apparatus for solving the problem is similar to the information processing method in the embodiment of the present application, the implementation of the information processing apparatus may refer to the implementation of the method, and the repetition will not be repeated.
  • the information processing apparatus 1200 includes:
  • the first receiving module 1201 is configured to receive third indication information sent by the relay UE, where the third indication information is used to request to restore the RRC connection of the relay UE on the Uu interface, and the first cell is the middle the cell where the UE currently resides; the first sending module 1202 is configured to send fourth indication information to the network device of the second cell through an inter-base station or inter-cell interface, where the fourth indication information is used to request the relay UE
  • the third indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • the fourth indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • FIG. 13 is a structural diagram of an information processing apparatus provided by an embodiment of the present application. Since the principle of the information processing apparatus for solving the problem is similar to the information processing method in the embodiment of the present application, the implementation of the information processing apparatus may refer to the implementation of the method, and the repetition will not be repeated.
  • the information processing apparatus 1300 includes:
  • the first receiving module 1301 is configured to receive fourth indication information sent by the network device of the first cell, where the fourth indication information is used to request the UE context of the relay UE, or, the relay UE and the relay The UE context of the remote UE served by the UE; the first sending module 1302 is configured to send the relay UE or the relay UE and the relay to the network device of the first cell according to the fourth indication information The UE context of the remote UE served by the UE; wherein the fourth indication information is sent by the network device of the first cell according to the third indication information of the relay UE, and the third indication information is the Sent when the state of the relay UE needs to be changed, and the state of the relay UE needs to be changed from RRC_CONNECTED to RRC_INACTIVE.
  • the fourth indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • the apparatus may further include: a first processing module configured to delete the target remote UE if the identification information of the target remote UE saved by the second cell is not included in the fourth indication information.
  • the context of the end UE, the target remote UE includes the remote UE saved by the second cell and associated with the relay UE.
  • the information processing device of the embodiment of the present application includes: a processor 1400, configured to read a program in the memory 1420, and perform the following processes:
  • the relay UE receiving third indication information sent by the relay UE, where the third indication information is used to request to restore the RRC connection of the relay UE on the Uu interface, and the first cell is the cell where the relay UE currently resides;
  • the third indication information is sent when the state of the relay UE needs to be changed, and the state of the relay UE needs to be changed from RRC_CONNECTED to RRC_INACTIVE.
  • the transceiver 1410 is used for receiving and transmitting data under the control of the processor 1400 .
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1400 and various circuits of memory represented by memory 1420 are linked together.
  • the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further herein.
  • the bus interface provides the interface.
  • Transceiver 1410 may be a number of elements, including a transmitter and a receiver, that provide a means for communicating with various other devices over a transmission medium.
  • the processor 1400 is responsible for managing the bus architecture and general processing, and the memory 1420 may store data used by the processor 1400 in performing operations.
  • the processor 1400 is responsible for managing the bus architecture and general processing, and the memory 1420 may store data used by the processor 1400 in performing operations.
  • the third indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is a cell where the relay UE resides before entering the RRC_INACTIVE state;
  • the fourth indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • the device as shown in FIG. 14 may be applied to the network device of the first cell.
  • the device shown in Fig. 14 can also be applied to the network device of the second cell.
  • the processor 1400 for reading the program in the memory 1420, performs the following processes:
  • the fourth indication information is sent by the network device of the first cell according to the third indication information of the relay UE, and the third indication information is sent when the state of the relay UE needs to be changed , and the state of the relay UE needs to be changed from RRC_CONNECTED to RRC_INACTIVE.
  • the fourth indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • the processor 1400 is also used to read the program in the memory, and perform the following processes:
  • the identity information of the target remote UE stored in the second cell is not included in the fourth indication information, delete the context of the target remote UE, where the target remote UE includes the second cell stored The remote UE associated with the relay UE.
  • the device provided in this embodiment of the present application can execute the foregoing method embodiments, and the implementation principles and technical effects thereof are similar, and details are not described herein again in this embodiment.
  • the information processing device includes: a processor 1500, configured to read a program in the memory 1520, and perform the following processes:
  • first indication information is sent to the remote UE, where the first indication information is used to indicate at least one of the following information to the remote UE:
  • the transceiver 1510 is used to receive and transmit data under the control of the processor 1500 .
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1500 and various circuits of memory represented by memory 1520 are linked together.
  • the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further herein.
  • the bus interface provides the interface.
  • Transceiver 1510 may be a number of elements, including a transmitter and a receiver, that provide a means for communicating with various other devices over a transmission medium.
  • the user interface 1530 may also be an interface capable of externally connecting the required equipment, and the connected equipment includes but is not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 1500 is responsible for managing the bus architecture and general processing, and the memory 1520 may store data used by the processor 1500 in performing operations.
  • the state change of the relay UE includes at least one of the following situations:
  • the first indication information is used to indicate at least one of the following information to the remote UE:
  • the relay link is a link between the relay UE and the network device.
  • the first indication information is used to indicate at least one of the following information to the remote UE:
  • the relay link is interrupted, and the relay link is the link between the relay UE and the network device;
  • the remote UE is instructed to perform relay UE reselection.
  • the UE identification information used by the remote UE for requesting the restoration of the relay connection is allocated to the remote UE when the network device notifies the relay UE to enter the RRC_INACTIVE state.
  • the processor 1500 is further configured to read the program, and perform the following steps:
  • the second indication information further includes UE identification information used by the remote UE for requesting the restoration of the relay connection.
  • the processor 1500 is further configured to read the program, and perform the following steps: send third indication information to the network device through the first cell, where the third indication information is used to request to restore the RRC connection of the relay UE on the Uu interface , the first cell is the cell where the relay UE currently resides.
  • the third indication information includes at least one of the following:
  • Identification information of the remote UE in a second cell where the second cell is the cell where the relay UE resides before entering the RRC_INACTIVE state.
  • the first indication information is used to indicate to the remote UE at least one of the following: kind of information:
  • the relay link is interrupted, and the relay link is the relay link between the relay UE and the network device;
  • the remote UE is instructed to perform relay UE reselection.
  • the device shown in FIG. 15 can be applied to the relay UE.
  • the apparatus shown in Fig. 15 can be applied to a remote UE.
  • the processor 1500 is further configured to read the program and perform the following steps:
  • the first indication information is sent by the relay UE when the state of the relay UE is changed, and the first indication information is used to indicate to the remote UE at least one of the following information:
  • the state change of the relay UE includes at least one of the following situations:
  • the processor 1500 is further configured to read the program, and perform the following steps:
  • the data that needs to be relayed is sent to the relay UE.
  • the processor 1500 is further configured to read the program, and perform the following steps:
  • the second indication information further includes UE identification information used by the remote UE for requesting the restoration of the relay connection.
  • the state change of the relay UE includes changing from RRC_CONNECTED to RRC_IDLE or off-network, or from RRC_INACTIVE to RRC_IDLE or off-network, or from RRC_CONNECTED to RRC_INACTIVE, wherein the processor 1500 is further configured to read the program, The following steps are performed: performing relay UE reselection according to the first indication information.
  • the device provided in this embodiment of the present application can execute the foregoing method embodiment, and the implementation principle and technical effect thereof are similar, and details are not described herein again in this embodiment.
  • Embodiments of the present application further provide a readable storage medium, where a program is stored on the readable storage medium, and when the program is executed by a processor, each process of the foregoing information processing method embodiments can be achieved, and the same technical effect can be achieved. In order to avoid Repeat, and will not repeat them here.
  • the readable storage medium is, for example, a read-only memory (Read-Only Memory, ROM for short), a random access memory (Random Access Memory, RAM for short), a magnetic disk or an optical disk, and the like.
  • modules, units, sub-modules, sub-units, etc. can be implemented in one or more Application Specific Integrated Circuits (ASIC), Digital Signal Processing (DSP), digital signal processing equipment ( DSP Device, DSPD), Programmable Logic Device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processor, controller, microcontroller, microprocessor, for in other electronic units or combinations thereof that perform the functions described herein.
  • ASIC Application Specific Integrated Circuits
  • DSP Digital Signal Processing
  • DSP Device digital signal processing equipment
  • PLD Programmable Logic Device
  • Field-Programmable Gate Array Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation.
  • the technical solutions of the present application can be embodied in the form of software products in essence, or the parts that make contributions to related technologies.
  • the computer software products are stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) , including several instructions to enable a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in the various embodiments of the present application.

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

Abstract

L'invention concerne un procédé et un appareil de traitement d'image, un dispositif, et un support de stockage lisible. Le procédé consiste : si l'état d'un UE relais change, à envoyer des premières informations d'indication à un UE distant, les premières informations d'indication étant utilisées pour indiquer à l'UE distant au moins l'une des informations suivantes : l'état courant de l'UE relais, et une opération que l'UE distant doit effectuer.
PCT/CN2021/107567 2020-07-21 2021-07-21 Procédé et appareil de traitement d'informations, dispositif, et support de stockage lisible WO2022017407A1 (fr)

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