WO2022022394A1 - Procédé d'indication d'état pour équipement utilisateur et appareil de communication - Google Patents

Procédé d'indication d'état pour équipement utilisateur et appareil de communication Download PDF

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Publication number
WO2022022394A1
WO2022022394A1 PCT/CN2021/107979 CN2021107979W WO2022022394A1 WO 2022022394 A1 WO2022022394 A1 WO 2022022394A1 CN 2021107979 W CN2021107979 W CN 2021107979W WO 2022022394 A1 WO2022022394 A1 WO 2022022394A1
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Prior art keywords
terminal device
state
request information
information
target state
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PCT/CN2021/107979
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English (en)
Chinese (zh)
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金辉
窦凤辉
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华为技术有限公司
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Publication of WO2022022394A1 publication Critical patent/WO2022022394A1/fr

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    • 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

Definitions

  • the embodiments of the present application relate to the field of communication technologies, and in particular, to a state indication method and a communication apparatus of a terminal device.
  • the remote terminal equipment (remote user equipment, Remote UE) can be connected through the relay terminal equipment (relay user equipment, Relay UE) After entering the operator's network, the Relay UE communicates directly with the base station in the operator's network.
  • 5G fifth-generation mobile communication
  • ProSe proximity service
  • the Relay UE when the Relay UE needs to disconnect from the communication with the base station in the operator's network and enter the disconnected state, it lacks the state processing for the Remote UE, which affects the services of the Remote UE.
  • the embodiments of the present application provide a terminal equipment status indication method and communication device, when the relay terminal equipment needs to disconnect the communication with the base station in the operator's network and enter the non-connected state, the status of the remote terminal equipment is indicated, in order to avoid influence The business of remote terminal equipment.
  • an embodiment of the present application provides a state indication method for a terminal device, which is applied to a first terminal device, where the first terminal device is in a connected state and the first terminal device communicates with a network through the second terminal device device communication, the method includes: receiving a first message from a second terminal device, where the first message is used to indicate that the second terminal device needs to enter a disconnected state; sending a message to the network through the second terminal device The device sends first request information, where the first request information is used to request the target state of the first terminal device; or sends a second message to the second terminal device, where the second message is used to indicate the The first terminal device confirms that the second terminal device needs to enter the disconnected state, so that the second terminal device sends first request information to the network device, where the first request information is used to request the first terminal The target state of the device.
  • the second terminal device first notifies the first terminal device that it needs to enter the disconnected state, triggering the first terminal device to actively initiate a request for the target state, and the network device sends the target state based on the request of the first terminal device Instructing the first terminal device can prevent the second terminal device from entering the disconnected state from affecting the services of the first terminal device.
  • the method further includes: receiving, through the second terminal device, first indication information from the network device, where the first indication information is used to instruct the first terminal device target state.
  • the receiving, by the second terminal device, the first indication information from the network device includes: receiving, by the second terminal, a connection release message from the network device,
  • the connection release message carries the first indication information, the first indication information is used to indicate the target state of the first terminal device, and the target state indicated by the first indication information is idle state, deactivated one of the states.
  • the first indication information includes context information, and the target state indicated by the first indication information is a deactivated state; or, the first indication information does not include context information , the target state indicated by the first indication information is an idle state.
  • the first request information includes information used to indicate a target state that the first terminal device wishes to enter; and/or, the second message includes information used to indicate the target state that the first terminal device wants to enter; information about the target state that the first terminal device wants to enter.
  • the first request information includes a cause value
  • the cause value is used to indicate that the second terminal device needs to enter a disconnected state.
  • the network device can also be notified that the second terminal device needs to enter the disconnected state.
  • the method further includes: when it is determined that the first terminal device needs to maintain a connection state, sending a path switching request to the network device through the second terminal device;
  • the second terminal device receives a connection reconfiguration message from the network device, the connection reconfiguration message is used to instruct the first terminal device to establish a direct connection to the target network device, and the connection reconfiguration message includes the target Configuration information for network devices.
  • an embodiment of the present application provides a state indication method for a terminal device, which is applied to a first terminal device, where the first terminal device is in a connected state and the first terminal device communicates with a network device through the second terminal device , the method includes: receiving, by the second terminal device, a measurement configuration from the network device; wherein the measurement configuration is sent by the network device when it is determined that the second terminal device needs to enter a disconnected state ; Send the measurement report of the measurement configuration or the first request information to the network device through the second terminal device, where the first request information is used to request the target state of the first terminal device.
  • the network device when the network device determines that the second terminal device needs to enter the disconnected state and wants the first terminal device to remain in the connected state, the network device sends the measurement configuration to the first terminal device.
  • the first terminal device may determine that it needs to remain in the connected state, and sends a measurement report of the measurement configuration to the network device through the second terminal device, or the first terminal device determines that it may not remain in the connected state, and sends the first terminal device to the network device through the second terminal device.
  • Request information Furthermore, the network device can indicate the target state of the first terminal device based on the measurement report fed back by the first terminal device or the first request information, which can prevent the second terminal device from entering a disconnected state from affecting services such as data transmission required by the first terminal device. .
  • the method further includes: receiving, through the second terminal device, a measurement report from the network device.
  • a connection reconfiguration message where the connection reconfiguration message includes configuration information of a target network device; and a direct connection to the target network device is established according to the connection reconfiguration message.
  • the method further includes: receiving a connection from the network device through the second terminal device A release message, where the connection release message carries first indication information, the first indication information is used to indicate the target state of the first terminal device, and the target state indicated by the first indication information is an idle state or a deactivated state one of the.
  • the first indication information includes context information, and the target state indicated by the first indication information is a deactivated state; or, the first indication information does not include context information , the target state indicated by the first indication information is an idle state.
  • an embodiment of the present application provides a state indication method for a terminal device, which is applied to a first terminal device, where the first terminal device is in a connected state and the first terminal device communicates with a network device through the second terminal device , the method includes: acquiring a target state of the first terminal device configured by the network device; wherein, the target state of the first terminal device is when the network device determines that the second terminal device needs to enter Configured in the non-connected state; entering the target state of the first terminal device configured by the network device.
  • the first terminal device obtains and enters the target state of the first terminal device configured by the network device when determining that the second terminal device is to enter the disconnected state, so as to prevent the first terminal device from being unable to continue to communicate with the network through the second terminal. The impact on the service of the first terminal device when the device communicates.
  • the acquiring the target state of the first terminal device configured by the network device includes: receiving, by the second terminal device, first indication information from the network device, The first indication information is used to indicate the target state of the first terminal device, and the target state indicated by the first indication information is one of an idle state and a deactivated state; wherein the first indication information is Sent by the network device when receiving the second request information sent by the second terminal device, the second request information is used to request the target state of the second terminal device, and the target state requested by the second request information The state is one of a disconnected state, an idle state, and a deactivated state.
  • the acquiring the target state of the first terminal device configured by the network device includes: receiving a first message sent by the second terminal device, where the first message carries Information used to indicate the target state of the first terminal device; wherein, the first message is sent when the second terminal device receives a connection release message sent by the network device, and the connection release message carries first indication information, where the first indication information is used to indicate the target state of the first terminal device; the connection release message is when the network device receives the second request information sent by the second terminal device sent, the second request information is used to request the target state of the second terminal device, and the target state requested by the second request information is one of a disconnected state, an idle state, and a deactivated state.
  • an embodiment of the present application provides a state indication method for a terminal device, which is applied to a second terminal device, where the second terminal device is used to establish communication between the first terminal device in a connected state and a network device,
  • the method includes: sending a first message to a first terminal device, where the first message is used to indicate that the second terminal device needs to enter a disconnected state; sending first request information from the first terminal device to For the network device, the first request information is used to request the target state of the first terminal device; or, receive a second message sent by the first terminal device, where the second message is used to indicate the first terminal device.
  • a terminal device confirms that the second terminal device needs to enter the disconnected state, and sends first request information to the network device, where the first request information is used to request the target state of the first terminal device.
  • the second terminal device first notifies the first terminal device that it needs to enter the disconnected state, triggering the first terminal device to actively initiate a request for the target state, and the network device sends the target state based on the request of the first terminal device Instructing the first terminal device can prevent the second terminal device from entering the disconnected state from affecting the services of the first terminal device.
  • the method further includes: sending first indication information from the network device to the first terminal device, where the first indication information is used to indicate the Target state; wherein, the first indication information is sent by the network device after receiving the first request information.
  • the method further includes: after determining that the first terminal device has received the first indication information, sending second request information to the network device; or, receiving the first request information.
  • a third message is sent to the network device, where the third message carries the first request information and second request information, and the second request information is used to request the first request information.
  • Two target states of the terminal device, the target state requested by the second request information is one of a disconnected state, an idle state, and a deactivated state.
  • the method further includes: receiving second indication information sent by the network device, where the second indication information is used to indicate the target state of the second terminal device, and the second indication The target state indicated by the information is one of an idle state and a deactivated state; wherein, the second indication information is sent by the network device after receiving the second request information.
  • the first request information includes information used to indicate a target state that the first terminal device wishes to enter; and/or, the second message includes information used to indicate the target state that the first terminal device wants to enter; information about the target state that the first terminal device wants to enter.
  • the sending the first indication information from the network device to the first terminal device includes: sending a connection release message from the network device to the first terminal device Terminal equipment; wherein, the connection release message carries the first indication information, and the target state indicated by the first indication information is one of an idle state and a deactivated state.
  • the first indication information includes context information, and the target state indicated by the first indication information is a deactivated state; or, the first indication information does not include context information , the target state indicated by the first indication information is an idle state.
  • the method further includes: sending a path switching request from the first terminal device to the network device; wherein the path switching request is the first terminal device in the Sent when it is determined that the connection state needs to be maintained; a connection reconfiguration message from the network device is sent to the first terminal device, where the connection reconfiguration message is used to instruct the first terminal device to establish a connection to the target
  • the direct connection of the network device, the connection reconfiguration message contains the configuration information of the target network device.
  • an embodiment of the present application provides a state indication method for a terminal device, which is applied to a network device.
  • the network device communicates with a first terminal device in a connected state through a second terminal device, and the second terminal device needs to Entering a disconnected state, the method includes: receiving first request information, where the first request information is used to request the target state of the first terminal device; indicating to the first terminal device through the second terminal device The target state of the first terminal device.
  • the first request information is sent to the network device, so as to trigger the network device to indicate the target state of the first terminal device, so as to prevent the second terminal device from entering the disconnected state.
  • the connection state affects the service of the first terminal device.
  • the first request information includes information used to indicate a target state that the first terminal device wishes to enter
  • the method further includes: according to the first terminal device wishing to enter The target state of the first terminal device is determined, and the target state of the first terminal device indicated to the first terminal device is determined.
  • the indicating the target state of the first terminal device includes: sending a connection release message to the first terminal device through the second terminal device, where the connection release message carries the first indication information, where the first indication information is used to indicate the target state of the first terminal device, and the target state indicated by the first indication information is one of an idle state and a deactivated state; or , sending a connection reconfiguration message to the first terminal device through the second terminal device, where the connection reconfiguration message is used to indicate that the target state of the first terminal device is a connected state.
  • the receiving the first request information includes: receiving, through the second terminal device, the first request information sent by the first terminal device, where the first request information is Sent by the first terminal device when receiving a first message from the second terminal device, where the first message is used to indicate that the second terminal device needs to enter a disconnected state; or, receiving the first message.
  • the first request information sent by the second terminal device when receiving the second message from the first terminal device; wherein, the second message is when the first terminal device receives the second message from the second terminal device It is sent when the first message is sent; the first message is used to indicate that the second terminal device needs to enter the disconnected state, and the second message is used to instruct the first terminal device to confirm that the second terminal device needs to enter the disconnected state. into a disconnected state.
  • the method further includes: receiving second request information sent by the second terminal device, the first The second request information is used to request the target state of the second terminal device, and the target state requested by the second request information is one of a disconnected state, an idle state, and a deactivated state.
  • receiving the first request information sent by the second terminal device when receiving the second message from the first terminal device includes: receiving the second terminal device in A third message sent when a second message from the first terminal device is received, the third message carries the first request information and second request information, and the second request information is used to request the The target state of the second terminal device, the target state requested by the second request information is one of a disconnected state, an idle state, and a deactivated state.
  • the method further includes: when receiving the second request information, sending second indication information to the second terminal device, where the second indication information is used to indicate the The target state of the second terminal device, and the target state indicated by the second indication information is one of an idle state and a deactivated state.
  • the first request information includes a cause value, and the cause value is used to indicate that the second terminal device needs to enter a disconnected state; the method further includes: after receiving the When the first request information is received, the first resource in the second terminal device is not released; wherein, the first resource is used by the second terminal device to send the information from the first terminal device to the A network device, or the first resource is used by the second terminal device to send information from the network terminal device to the first terminal device.
  • the method further includes: receiving, through the second terminal device, a path switching request sent by the first terminal device; wherein the path switching request is the first terminal device Sent when it is determined that the connection state needs to be maintained; a connection reconfiguration message is sent to the first terminal device through the second terminal device, where the connection reconfiguration message is used to instruct the first terminal device to establish a connection to the target
  • the direct connection of the network device, the connection reconfiguration message contains the configuration information of the target network device.
  • an embodiment of the present application provides a method for indicating a state of a terminal device, which is applied to a network device.
  • the network device communicates with a first terminal device in a connected state through a second terminal device, and the method includes: receiving a first terminal device.
  • Second request information sent by two terminal devices, the second request information is used to request the target state of the second terminal device, and the target state requested by the second request information is a disconnected state, a deactivated state, and an idle state
  • the method further includes: reporting to the first terminal device according to the measurement report.
  • a terminal device sends a connection reconfiguration message, where the connection reconfiguration message includes configuration information of a target network device to instruct the first terminal device to establish a direct connection to the target network device.
  • the method further includes: sending the first request information to the first terminal device through the second terminal device
  • the terminal device sends first indication information, where the first indication information is used to indicate a target state of the first terminal device, and the target state indicated by the first indication information is one of an idle state and a deactivated state.
  • the target state indicated by the first indication information is determined according to the first request information and/or the second request information.
  • the first request information is used for information indicating a target state that the first terminal device wishes to enter.
  • an embodiment of the present application provides a state indication method for a terminal device, which is applied to a network device.
  • the network device communicates with a first terminal device in a connected state through a second terminal device, and the second terminal device needs to Entering a disconnected state
  • the method includes: receiving second request information sent by a second terminal device, where the second request information is used to request a target state of the second terminal device, and the second request information requests The target state is one of a disconnected state, an idle state, and a deactivated state; configure the target state of the first terminal device; wherein, the first terminal device is in a connected state and the first terminal device passes the
  • the second terminal device communicates with the network device.
  • the network device configures the target state of the first terminal device when it is determined that the second terminal device is to enter the disconnected state, so as to prevent the first terminal device from being unable to continue to communicate with the network device through the second terminal. The impact caused by the service of the first terminal device.
  • the configured target state of the first terminal device is the same as the target state requested by the second request information.
  • the method further includes: sending first indication information to the first terminal device through the second terminal device, and the first terminal device An indication message is used to indicate the target state of the first terminal device; or, a connection release message is sent to the second terminal device, where the connection release message carries a message used to indicate the target state of the first terminal device the first indication information, so that the second terminal device sends a first message to the first terminal device, where the first message carries information used to indicate the target state of the first terminal device.
  • an embodiment of the present application provides a state indication device for a terminal device, which is applied to a first terminal device, where the first terminal device is in a connected state and the first terminal device communicates with a network through the second terminal device device communication
  • the apparatus includes: a communication module configured to receive a first message from a second terminal device, where the first message is used to indicate that the second terminal device needs to enter a disconnected state; the communication module, further It is used to send the first request information to the network device through the second terminal device, where the first request information is used to request the target state of the first terminal device; or, send the first request information to the second terminal device.
  • Two messages the second message is used to instruct the first terminal device to confirm that the second terminal device needs to enter the disconnected state, so that the second terminal device sends the first request information to the network device, so The first request information is used to request the target state of the first terminal device.
  • the second terminal device first notifies the first terminal device that it needs to enter the disconnected state, triggering the first terminal device to actively initiate a request for the target state, and the network device sends the target state based on the request of the first terminal device Instructing the first terminal device can prevent the second terminal device from entering the disconnected state from affecting the services of the first terminal device.
  • the communication module is further configured to: receive first indication information from the network device through the second terminal device, where the first indication information is used to indicate the first indication information The target state of an end device.
  • the communication module is further configured to: receive a connection release message from the network device through the second terminal, where the connection release message carries the first indication information,
  • the first indication information is used to indicate a target state of the first terminal device, and the target state indicated by the first indication information is one of an idle state and a deactivated state.
  • the first indication information includes context information, and the target state indicated by the first indication information is a deactivated state; or, the first indication information does not include context information , the target state indicated by the first indication information is an idle state.
  • the first request information includes information used to indicate a target state that the first terminal device wishes to enter; and/or, the second message includes information used to indicate the target state that the first terminal device wants to enter; information about the target state that the first terminal device wants to enter.
  • the first request information includes a cause value
  • the cause value is used to indicate that the second terminal device needs to enter a disconnected state.
  • the network device can also be notified that the second terminal device needs to enter the disconnected state.
  • the apparatus further includes: a processing module, configured to determine that the first terminal device needs to remain in a connected state; the communication module, further configured to communicate with the second terminal device through the second terminal device.
  • an embodiment of the present application provides a state indication device for a terminal device, which is applied to a first terminal device, where the first terminal device is in a connected state and the first terminal device communicates with a network device through a second terminal device
  • the apparatus includes: a communication module, configured to receive a measurement configuration from the network device through the second terminal device; wherein the measurement configuration is when the network device determines that the second terminal device needs to enter the
  • the communication module is further configured to send the measurement report of the measurement configuration or the first request information to the network device through the second terminal device, and the first request information is used to request the first request information.
  • the target state of an end device is applied to a first terminal device, where the first terminal device is in a connected state and the first terminal device communicates with a network device through a second terminal device
  • the apparatus includes: a communication module, configured to receive a measurement configuration from the network device through the second terminal device; wherein the measurement configuration is when the network device determines that the second terminal device needs to enter the
  • the communication module is
  • the network device when the network device determines that the second terminal device needs to enter the disconnected state and wants the first terminal device to remain in the connected state, the network device sends the measurement configuration to the first terminal device.
  • the first terminal device may determine that it needs to remain in the connected state, and sends a measurement report of the measurement configuration to the network device through the second terminal device, or the first terminal device determines that it may not remain in the connected state, and sends the first terminal device to the network device through the second terminal device.
  • Request information Furthermore, the network device can indicate the target state of the first terminal device based on the measurement report fed back by the first terminal device or the first request information, which can prevent the second terminal device from entering a disconnected state from affecting services such as data transmission required by the first terminal device. .
  • the apparatus further includes a processing module; if the communication module is configured to send the measurement report of the measurement configuration to the network device through the second terminal device, the communication module, is further configured to receive, through the second terminal device, a connection reconfiguration message from the network device, where the connection reconfiguration message includes configuration information of the target network device; the processing module is configured to, according to the connection reconfiguration message , establishing a direct connection to the target network device.
  • the method further includes: receiving a connection from the network device through the second terminal device A release message, where the connection release message carries first indication information, the first indication information is used to indicate the target state of the first terminal device, and the target state indicated by the first indication information is an idle state or a deactivated state one of the.
  • the first indication information includes context information, and the target state indicated by the first indication information is a deactivated state; or, the first indication information does not include context information , the target state indicated by the first indication information is an idle state.
  • an embodiment of the present application provides a state indication device for a terminal device, which is applied to a first terminal device, where the first terminal device is in a connected state and the first terminal device communicates with a network device through a second terminal device
  • the apparatus includes: a communication module configured to acquire a target state of the first terminal device configured by the network device; wherein, the target state of the first terminal device is when the network device determines that the first terminal device is in the target state. It is configured when the second terminal device needs to enter the non-connected state; the processing module is configured to make the first terminal device enter the target state of the first terminal device configured by the network device.
  • the first terminal device obtains and enters the target state of the first terminal device configured by the network device when determining that the second terminal device is to enter the disconnected state, so as to prevent the first terminal device from being unable to continue to communicate with the network through the second terminal. The impact on the service of the first terminal device when the device communicates.
  • the communication module is further configured to: receive first indication information from the network device through the second terminal device, where the first indication information is used to indicate the first indication information A target state of a terminal device, the target state indicated by the first indication information is one of an idle state and a deactivated state; wherein the first indication information is that the network device receives the second indication Sent when the terminal device sends the second request information, the second request information is used to request the target state of the second terminal device, and the target state requested by the second request information is disconnected state, idle state, deactivated one of the states.
  • the communication module is further configured to: receive a first message sent by the second terminal device, where the first message carries a message used to indicate the target state of the first terminal device information; wherein, the first message is sent when the second terminal device receives a connection release message sent by the network device, the connection release message carries first indication information, and the first indication information It is used to indicate the target state of the first terminal device; the connection release message is sent by the network device when it receives the second request information sent by the second terminal device, and the second request information is used for The target state of the second terminal device is requested, and the target state requested by the second request information is one of a disconnected state, an idle state, and a deactivated state.
  • an embodiment of the present application provides a state indication device for a terminal device, which is applied to a second terminal device, where the second terminal device is used to establish communication between the first terminal device in a connected state and a network device
  • the apparatus includes: a communication module, configured to send a first message to the first terminal device, where the first message is used to indicate that the second terminal device needs to enter a disconnected state; the communication module is further configured to send a Send first request information from the first terminal device to the network device, where the first request information is used to request the target state of the first terminal device; or, receive the first request sent by the first terminal device.
  • Two messages the second message is used to instruct the first terminal device to confirm that the second terminal device needs to enter the disconnected state, and send first request information to the network device, where the first request information is used to request The target state of the first terminal device.
  • the second terminal device first notifies the first terminal device that it needs to enter the disconnected state, triggering the first terminal device to actively initiate a request for the target state, and the network device sends the target state based on the request of the first terminal device Instructing the first terminal device can prevent the second terminal device from entering the disconnected state from affecting the services of the first terminal device.
  • the communication module is further configured to send first indication information from the network device to the first terminal device, where the first indication information is used to indicate the first terminal The target state of the device; wherein, the first indication information is sent by the network device after receiving the first request information.
  • the apparatus further includes a processing module; the communication module is further configured to, when the processing module determines that the first terminal device has received the first indication information, send a The network device sends the second request information; or, the communication module is further configured to send a third message to the network device after receiving the second message sent by the first terminal device, where the third message carries the The first request information and the second request information, the second request information is used to request the target state of the second terminal device, and the target state requested by the second request information is disconnected state, idle state, go one of the active states.
  • the communication module is further configured to receive second indication information sent by the network device, where the second indication information is used to indicate the target state of the second terminal device, and the first indication information is used to indicate the target state of the second terminal device.
  • the target state indicated by the second indication information is one of an idle state and a deactivated state; wherein, the second indication information is sent by the network device after receiving the second request information.
  • the first request information includes information used to indicate a target state that the first terminal device wishes to enter; and/or, the second message includes information used to indicate the target state that the first terminal device wants to enter; information about the target state that the first terminal device wants to enter.
  • the communication module is further configured to send a connection release message from the network device to the first terminal device; wherein the connection release message carries the first terminal device indication information, the target state indicated by the first indication information is one of an idle state and a deactivated state.
  • the first indication information includes context information, and the target state indicated by the first indication information is a deactivated state; or, the first indication information does not include context information , the target state indicated by the first indication information is an idle state.
  • the communication module is further configured to send a path switching request from the first terminal device to the network device; wherein the path switching request is the first terminal Sent by the device when it determines that it needs to keep the connection state; it sends a connection reconfiguration message from the network device to the first terminal device, where the connection reconfiguration message is used to instruct the first terminal device to establish a connection to the first terminal device.
  • the direct connection of the target network device, and the connection reconfiguration message includes the configuration information of the target network device.
  • an embodiment of the present application provides a state indication device for a terminal device, which is applied to a network device, where the network device communicates with a first terminal device in a connected state through a second terminal device, and the second terminal device communicates with a first terminal device in a connected state. It is necessary to enter a disconnected state, and the apparatus includes: a communication module, configured to receive first request information, where the first request information is used to request the target state of the first terminal device; a communication module, further configured to pass the The second terminal device indicates the target state of the first terminal device to the first terminal device.
  • the first request information is sent to the network device, so as to trigger the network device to indicate the target state of the first terminal device, so as to prevent the second terminal device from entering the disconnected state.
  • the connection state affects the service of the first terminal device.
  • the first request information includes information used to indicate a target state that the first terminal device wishes to enter
  • the method further includes: according to the first terminal device wishing to enter The target state of the first terminal device is determined, and the target state of the first terminal device indicated to the first terminal device is determined.
  • the communication module is further configured to send a connection release message to the first terminal device through the second terminal device, where the connection release message carries the first indication information, and the The first indication information is used to indicate the target state of the first terminal device, and the target state indicated by the first indication information is one of an idle state and a deactivated state;
  • the first terminal device sends a connection reconfiguration message, where the connection reconfiguration message is used to indicate that the target state of the first terminal device is a connected state.
  • the communication module is further configured to: receive, through the second terminal device, the first request information sent by the first terminal device, where the first request information is the first request information. Sent by a terminal device when receiving a first message from the second terminal device, where the first message is used to indicate that the second terminal device needs to enter a disconnected state; or, receiving the second terminal device First request information sent when a second message from the first terminal device is received; wherein the second message is the first request message received by the first terminal device from the second terminal device message; the first message is used to indicate that the second terminal device needs to enter the disconnected state, and the second message is used to instruct the first terminal device to confirm that the second terminal device needs to enter the disconnected state state.
  • the communication module is further configured to: receive second request information sent by the second terminal device, the second The request information is used to request the target state of the second terminal device, and the target state requested by the second request information is one of a disconnected state, an idle state, and a deactivated state.
  • the communication module is further configured to: receive a third message sent by the second terminal device when receiving the second message from the first terminal device, the first terminal device
  • the three messages carry the first request information and the second request information
  • the second request information is used to request the target state of the second terminal device
  • the target state requested by the second request information is the disconnected state , one of the idle state and the deactivated state.
  • the communication module is further configured to: when receiving the second request information, send second indication information to the second terminal device, the second indication information using In order to indicate the target state of the second terminal device, the target state indicated by the second indication information is one of an idle state and a deactivated state.
  • the first request information includes a cause value, and the cause value is used to indicate that the second terminal device needs to enter a disconnected state;
  • the apparatus further includes a processing module; the a processing module, configured to not release the first resource in the second terminal device when the communication module receives the first request information; wherein the first resource is used by the second terminal device to The information from the first terminal device is sent to the network device, or the first resource is used for the second terminal device to send the information from the network terminal device to the first terminal device.
  • the communication module is further configured to: receive, through the second terminal device, a path switching request sent by the first terminal device; wherein the path switching request is the first Sent by a terminal device when it is determined that the connection state needs to be maintained; a connection reconfiguration message is sent to the first terminal device through the second terminal device, and the connection reconfiguration message is used to instruct the first terminal device to establish a connection to the first terminal device.
  • the connection reconfiguration message contains configuration information of the target network device.
  • an embodiment of the present application provides a state indication device for a terminal device, which is applied to a network device, where the network device communicates with a first terminal device in a connected state through a second terminal device, and the device includes: communicating a module, configured to receive second request information sent by a second terminal device, where the second request information is used to request a target state of the second terminal device, and the target state requested by the second request information is a disconnected state, one of a deactivated state and an idle state; the communication module is further configured to send a measurement configuration to the first terminal device through the second terminal device; the communication module is further configured to send a measurement configuration through the second terminal device The terminal device receives a measurement report or first request information of the measurement configuration from the first terminal device; wherein, the first request information is used to request the target state of the first terminal device.
  • the apparatus further includes a processing module; the processing module is configured to receive the measurement configuration from the first terminal device through the second terminal device in the communication module When the measurement report is received, control the communication module to send a connection reconfiguration message to the first terminal device according to the measurement report, where the connection reconfiguration message includes the configuration information of the target network device to indicate to the first terminal device A direct connection to the target network device is established.
  • the communication module is further configured to, when receiving, through the second terminal device, the first request information from the first terminal device, send the request to the second terminal device through the second terminal device.
  • the first terminal device sends first indication information, the first indication information is used to indicate the target state of the first terminal device, and the target state indicated by the first indication information is an idle state or a deactivated state. A sort of.
  • the target state indicated by the first indication information is determined according to the first request information and/or the second request information.
  • the first request information is used for information indicating a target state that the first terminal device wishes to enter.
  • an embodiment of the present application provides an apparatus for indicating a state of a terminal device, which is applied to a network device.
  • the network device communicates with a first terminal device in a connected state through a second terminal device, and the second terminal device communicates with a first terminal device in a connected state. Need to enter a disconnected state, the apparatus includes: a communication module, configured to receive second request information sent by a second terminal device, where the second request information is used to request the target state of the second terminal device, the first 2.
  • the target state requested by the request information is one of a disconnected state, an idle state, and a deactivated state; the processing module is configured to configure the target state of the first terminal device; wherein, the first terminal device is in a connected state state and the first terminal device communicates with the network device through the second terminal device.
  • the network device configures the target state of the first terminal device when it is determined that the second terminal device is to enter the disconnected state, so as to prevent the first terminal device from being unable to continue to communicate with the network device through the second terminal. The impact caused by the service of the first terminal device.
  • the configured target state of the first terminal device is the same as the target state requested by the second request information.
  • the communication module is further configured to: send the first terminal device to the first terminal device through the second terminal device an indication information, where the first indication information is used to indicate the target state of the first terminal device; or, a connection release message is sent to the second terminal device, where the connection release message carries a message used to indicate the first terminal device.
  • First indication information of the target state of a terminal device so that the second terminal device sends a first message to the first terminal device, where the first message carries a target used to indicate the first terminal device status information.
  • an embodiment of the present application provides a communication device, including: a processor and a memory;
  • the memory for storing computer programs
  • the processor is configured to execute the computer program stored in the memory, so that the method in any one of the optional implementation manners of any one of the first aspect to the seventh aspect is performed.
  • a sixteenth aspect a communication device, comprising: a processor and an interface circuit;
  • the interface circuit for receiving code instructions and transmitting them to the processor
  • the processor is configured to execute the code instructions to cause the method in any one of the optional embodiments of any one of the first to seventh aspects above to be performed.
  • a seventeenth aspect a computer-readable storage medium storing instructions that, when executed, cause any one of the above-mentioned first to seventh aspects to occur.
  • the method of an alternative embodiment is performed.
  • an embodiment of the present application provides a computer program product, the computer program product includes: computer program code, when the computer program code is executed, makes any one of the first to seventh aspects above. The method of an optional embodiment is performed.
  • FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a state indication method of a terminal device provided by an embodiment of the present application
  • FIG. 3 is a schematic flowchart of a state indication method of a terminal device provided by an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a state indication method of a terminal device provided by an embodiment of the present application
  • 5a is a schematic flowchart of a state indication method of a terminal device provided by an embodiment of the present application.
  • 5b is a schematic flowchart of a state indication method of a terminal device provided by an embodiment of the present application.
  • FIG. 6 is a schematic flowchart of a state indication method of a terminal device provided by an embodiment of the present application.
  • FIG. 7a is a schematic flowchart of a state indication method of a terminal device provided by an embodiment of the present application.
  • FIG. 7b is a schematic flowchart of a state indication method of a terminal device provided by an embodiment of the present application.
  • FIG. 8 is a structural block diagram of a state indicating device of a terminal device provided by an embodiment of the present application.
  • FIG. 9 is one of the schematic structural diagrams of a communication device provided by an embodiment of the present application.
  • FIG. 10 is a second schematic structural diagram of a communication apparatus provided by an embodiment of the present application.
  • Terminal equipment also known as terminal, user equipment (UE), mobile station (MS), mobile terminal (MT), etc.
  • UE user equipment
  • MS mobile station
  • MT mobile terminal
  • devices such as handheld devices with wireless connectivity, in-vehicle devices, etc.
  • terminals are: mobile phone (mobile phone), tablet computer, notebook computer, PDA, mobile internet device (MID), wearable device, virtual reality (virtual reality, VR) device, augmented reality (augmented reality, AR) equipment, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in smart grid, wireless terminals in transportation safety Wireless terminals, wireless terminals in smart cities, wireless terminals in smart homes, etc.
  • the network device may be a base station device, and may also be referred to as an access network device or an access node (AN), which provides wireless access services for terminal devices.
  • the access node may be an evolved base station (evolutional Node B, referred to as eNB or eNodeB) in the LTE system, or a base station device (gNB), a small base station device, a wireless access node (WiFi AP), etc. in a 5G network. This embodiment of the present application does not limit this.
  • the relay terminal equipment provides the remote terminal equipment (remote user equipment, Remote UE) with communication to the operator network, and the remote terminal equipment can indirectly access the operator network through the relay terminal equipment.
  • relay terminal equipment can also be called relay user equipment or relay UE;
  • remote terminal equipment can also be called remote user equipment and remote UE;
  • operator networks can deploy 5G base stations (generation NodeBs) based on 5G technology.
  • gNB 5G core network (5G core, 5GC) and data network (DN), 5G core network includes access and mobility management function (AMF).
  • the communication between the remote UE and the relay UE is based on the PC5 interface, and the communication between the relay UE and the gNB is based on the Uu interface.
  • the relay UE transfers between the remote UE and the gNB ( or relay) information.
  • the state of a terminal device includes a connected state and a disconnected state, and the disconnected state is divided into an inactive (inactive) state and an idle (idle) state.
  • UE a terminal device
  • the disconnected state is divided into an inactive (inactive) state and an idle (idle) state.
  • the base station which can be a direct connection or an indirect connection
  • the UE is in a connected state
  • the connection between the UE and the base station is released, the UE is in a disconnected state, which can be in a deactivated state or idle state.
  • both the UE and the base station will release the context information of the UE on the air interface.
  • the UE needs to re-establish a connection with the base station, the UE needs to re-establish a connection with the base station, and the base station needs to download the UE context from the core network side. .
  • both the UE and the base station (or source base station) that previously established a connection with the UE will retain the context information of the UE on the air interface.
  • both the base station and the UE side can The connection is established using the pre-reserved UE context information. Compared with the UE being in an idle state to re-establish a connection with the base station, the process is shortened and the time is shorter.
  • the UE may initiate a request to the base station (or the target base station) to which the UE wants to establish a connection through a resume message, and the resume message carries the resume ID of the UE, so that the base station obtains the advance information according to the resume ID carried in the resume message.
  • the resume ID is sent by the source base station to the UE when the UE changes from the connected state to the deactivated state, and the resume ID is used to instruct the target base station to obtain context information through the source base station.
  • the aforementioned context information may include the following information:
  • fullI-RNTI full Inactive RNTI (radio network temporary identity, wireless network temporary identity)
  • shortI-RNTI shortI-RNTI
  • ran-PagingCycle RAN(radio access network, wireless access network)
  • ran-NotificationAreaInfo RAN notification area information
  • the plural referred to in the present application refers to two or more.
  • "And/or" which describes the association relationship of the associated objects, means that there can be three kinds of relationships, for example, A and/or B, which can mean that A exists alone, A and B exist at the same time, and B exists alone.
  • the character "/" generally indicates that the associated objects are an "or” relationship.
  • first, second, etc. may be used to describe various data in the embodiments of the present invention, these data should not be limited to these terms. These terms are only used to distinguish the various data from each other.
  • an embodiment of the present application provides a communication system architecture, where the communication system includes a first terminal device, a second terminal device, and a network device.
  • the first terminal device is indirectly connected (or referred to as indirect communication) with the network device through the second terminal device, and the second terminal device is directly connected (or referred to as direct communication) with the network device;
  • the first terminal device may be the aforementioned remote terminal device,
  • the second terminal device may be the aforementioned relay terminal device, and the network device may be a base station device in an operator network to which the relay terminal device is connected, such as a 5G base station (generation NodeB, gNB).
  • 5G base station generation NodeB, gNB
  • the state of the first terminal device can be processed in either of the following two ways.
  • the first type the second terminal device first notifies the first terminal device that the second terminal device needs to enter the disconnected state, and the first terminal device actively requests the target state of the first terminal device.
  • the second type the second terminal device first initiates a request to enter the disconnected state to the network device, and the network device determines the state of the first terminal device by itself or determines the target state of the first terminal device in combination with the relevant requirements of the first terminal device.
  • Embodiments of the present application provide a state indication method and a communication apparatus for a terminal device, which can be applied to the communication system illustrated in FIG. 1 .
  • the state of the first terminal device is indicated to complete the processing of the state of the first terminal device. Since the principles of the method and the device for solving the problem are the same, the method part and the device part of the embodiments can be referred to each other, and the repeated parts will not be repeated.
  • the first terminal device can actively request the target state of the first terminal device from the network device through the second terminal device, and then the network device sends the first terminal device through the second terminal device to the network device.
  • the device indicates the target state of the first terminal.
  • an embodiment of the present application provides a first method for indicating a state of a terminal state, and the method is as follows.
  • the second terminal device determines that it needs to enter a disconnected state.
  • the second terminal device is a relay terminal device, and the second terminal device may determine that it needs to enter a disconnected state when the operator network needs to be switched or there is no local data transmission.
  • the second terminal device is a dual-card single-pass mobile phone and other terminal devices
  • the second terminal device may enter a disconnected state (idle state or deactivated state) to save power consumption.
  • the second terminal device sends a first message to the first terminal device, where the first message is used to indicate that the second terminal device needs to enter a disconnected state.
  • the first terminal device is in a connected state and the first terminal device communicates with the network device through the second terminal device; the first terminal device is a remote terminal device.
  • the first message may be a leave request, and the second terminal device indicates that the second terminal device is about to leave by sending a leave request to the first terminal device, so as to indicate that the second terminal device needs to enter a disconnected state.
  • the first terminal device requests a target state of the first terminal device from the network device through the second terminal device.
  • the first terminal device may send first request information to the network device through the second terminal device, where the first request information is used to request the target state of the first terminal device, and the The target state can be a connected state, a disconnected state, or an idle/deactivated state in a disconnected state. If the first terminal device has a target state that the first terminal device wants to enter, the information used to indicate the target state that the first terminal device wants to enter may be included in the first request information.
  • the first request information includes a state identifier
  • the state identifier is used for Indicate the target state that the first terminal device wishes to enter; or, if the first terminal device does not have a target state that it wishes to enter, but only requests the network device to indicate a target state, the aforementioned state identifier may not be included in the first request information.
  • the state identifier included in the first request information may be a target state that the first terminal device wants to enter, or an index that can represent the target state that the first terminal device wants to enter.
  • the index of the connected state is 0
  • the index of the idle state in the disconnected state is 1
  • the index of the deactivated state in the disconnected state is 2.
  • the state identifier included in the first request information may be the connection state/connection, or may be "0"; if the first terminal device wishes to enter the connection state If the target state is the idle state in the disconnected state, the state identifier included in the first request information may be idle state/idle, or "1"; if the target state that the first terminal device wants to enter is in the disconnected state Inactive state, the state identifier included in the first request information may be inactive state/inactive, or it may be "2"; if the target state that the first terminal device wants to enter is only the disconnected state, then the first request
  • the state identifiers contained in the information may include idle state/idle, deactivated state/inactive, and may also include "1" and "2".
  • a bit sequence can also be used to represent the index of the target state. For example, based on two bits, the index of the connected state is "00", the index of the idle state in the disconnected state is "01", and the index of the disconnected state is "01". The index of the active state is "10".
  • the first request information may be carried in UE assistance information (UE Assistance information) sent by the first terminal device and sent to the network device.
  • UE Assistance information UE Assistance information
  • the first request information may be the preferredRRC-State-r16 field defined in ReleasePreference-r16 in the UE assistance information sent by the first terminal device; the value of the preferredRRC-State-r16 field is null or the aforementioned state identifier, When the value of the preferredRRC-State-r16 field is empty, it indicates that the first terminal device does not have a target state that the first terminal device wishes to enter.
  • the first terminal device may send a second message to the second terminal device, where the second message is used to instruct the first terminal device to confirm that the second terminal device needs to enter the disconnected state.
  • the second message includes information used to indicate the target state that the first terminal wishes to enter, indicating that the first terminal device has a target state that is expected to enter; or, the second message does not include information used to indicate that the first terminal wishes to enter.
  • the information of the entered target state indicates that the first terminal device does not have a desired target state to enter.
  • the corresponding first message is a leave request
  • the second message may be a leave response, indicating that the first terminal device confirms the leave request of the second terminal device, that is, it knows that the second terminal device is about to leave.
  • the second terminal device sends the first request information to the network device according to the second message.
  • the first request information includes a state identifier
  • the second message does not include information for indicating the target state that the first terminal wishes to enter , the first request information does not contain a state identifier.
  • the first request information may be carried in UE assistance information (UE Assistance information) sent by the second terminal device and sent to the network device, and the first request information may be new information in the UE assistance information sent by the second terminal device.
  • UE Assistance information UE Assistance information
  • the first request information is a newly defined remoteID-preferredRRC-State-r16 field in ReleasePreference-r16 in the UE assistance information sent by the second terminal device.
  • the value of the remoteID-preferredRRC-State-r16 field is null or the aforementioned state identifier, and when the value of the remoteID-preferredRRC-State-r16 field is null, it indicates that the first terminal device has no target state that the first terminal device wishes to enter.
  • the remoteID is used to identify the first terminal device, and may be an identifier of the first terminal device.
  • "remoteID-preferredRRC-State-r16" is only used as an indication of a field name, and other field names can also be set in the UE auxiliary information sent by the second terminal device to indicate the first request information, This embodiment of the present application does not limit this.
  • the network device indicates the target state of the first terminal device to the first terminal device through the second terminal device.
  • the target state indicated to the first terminal device may be one of a deactivated state, an idle state, and a connected state.
  • the network device may determine the target state indicated by the first indication information based on whether the received first request information includes a state identifier. For example, in the case where the first request information received by the network device does not contain a status identifier, the network device may take into account actual needs such as whether the first terminal device has data to be sent, whether the relevant network service involves the first terminal device, etc. to determine the target state indicated to the first terminal device.
  • the network device may determine the target of the first terminal device indicated to the first terminal device according to the state identifier in the first request information The state, that is, the target state indicated to the first terminal device is consistent with the target state that the first terminal device wants to enter.
  • the network device can also obtain the target state of the second terminal device, and set the target state indicated to the first terminal device to be the same as the target state of the second terminal device.
  • the network device may send a connection release message carrying first indication information to the first terminal device through the second terminal device, where the first indication information is used to indicate the target state of the first terminal device.
  • the first indication information contains context information
  • the target state indicated by the first indication information is a deactivated state
  • the first indication information does not contain context information
  • the target state indicated by the first indication information is a deactivated state
  • the target state is the idle state.
  • the connection release message may specifically be implemented by using a radio resource control connection release (radio resource control connection release, RRC Connection Release) message.
  • the network device may send a connection reconfiguration message to the first terminal device through the second terminal device to indicate that the target state of the first terminal device is the connected state.
  • the connection reconfiguration message may be specifically implemented by a radio resource control connection reconfiguration (radio resource connection reconfiguration, RRC Connection Reconfiguration) message.
  • the second terminal device first notifies the first terminal device that it needs to enter the disconnected state, triggering the first terminal device to actively initiate a request for the target state, and the network device sends the target state based on the request of the first terminal device
  • Instructing the first terminal device can prevent the second terminal device from entering the disconnected state from affecting the services of the first terminal device, for example, instructing the first terminal device to remain in the connected state to prevent the second terminal device from entering the disconnected state.
  • the first terminal equipment of data transmission is affected; the deactivation state is indicated to the first terminal equipment, which can avoid causing excessive delay to subsequent reconnection; the idle state is indicated to the first terminal equipment, so that the first terminal equipment is more efficient. Quickly enter the idle state to avoid resource waste caused by the first terminal device not changing the state in time when the second terminal device enters the non-connected state.
  • the first terminal device determining whether it has a target state that it wants to enter; and if the result is yes, determining the target state that the first terminal device wants to enter.
  • the first terminal device may determine the target state that the first terminal device wants to enter according to the first message sent by the second terminal device in S202 and/or whether the first terminal device has data to be sent.
  • the first message sent by the second terminal device carries information used to indicate the target state to be entered by the second terminal device, and the target state to be entered by the second terminal device is one of an idle state and a deactivated state .
  • the second terminal device specifically informs the first terminal device whether the second terminal device needs to enter the idle state in the disconnected state or the deactivated state in the disconnected state by sending the first message carrying the first message to the first terminal device.
  • the target state that the first terminal device wishes to enter may be determined by reference to the following method: if the first terminal device determines that there is no data to be sent, that is, it may not remain in the connected state, the first terminal device may determine that it wishes to enter the target state.
  • the target state is a disconnected state. Specifically, the first terminal device can determine whether the target state it wants to enter is an idle state or a deactivated state according to whether subsequent reconnection is required; or, the first terminal device can determine the desired state.
  • the target state is consistent with the target state indicated in the first message that the second terminal device needs to enter. If the first terminal device determines that data is to be sent, it determines that it still wishes to remain in the connected state.
  • the target state indicated by the first indication information sent by the network device in S304 may refer to the following methods 1 to Three ways to determine:
  • Mode 1 If the first request information requests the target state of the first terminal device to be a disconnected state, but does not specify whether the idle state or the deactivated state, the network device may indicate one of the idle state and the deactivated state to the first terminal device. , for example: the network device can obtain the state to be entered by the second terminal device, and indicate the state to be entered by the second terminal device as the target state of the first terminal device to the first terminal device;
  • Mode 2 If the first request information requests the target state of the first terminal device to be in the disconnected state and the idle state, the network device indicates the idle state to the first terminal device; if the first request information requests the target state of the first terminal device If the state is the disconnected state and the deactivated state, the network device indicates the deactivated state to the first terminal device.
  • the network device may include context information in the first indication information, indicating that the network device indicates the deactivated state to the first terminal device, and can provide context information for the first terminal device to subsequently restore the connection state; that is, the first indication information is used for to indicate that the target state of the first terminal device is the deactivated state.
  • the network device may also not include context information in the first indication information, indicating that the network device indicates the idle state to the first terminal device; that is, the first indication information is used to indicate that the target state of the first terminal device is the idle state.
  • the network device may indicate the connected state to the first terminal device, that is, the first indication information is used to indicate the target of the first terminal device The state is connected.
  • the first terminal device may also send a path switching request to the network device through the second terminal device, and the path switching The request is used to request the first terminal device to keep the connection state.
  • the network device determines a target network device that can communicate with the first terminal device and provides services for the first terminal device, and sends a connection reconfiguration message to the first terminal device through the second terminal device to instruct the first terminal device to establish a connection to the target network device.
  • the connection reconfiguration message may include configuration information of the target network device, and the configuration information of the target network device includes the identifier of the target network device and the wireless resources allocated by the target network device to the first terminal device.
  • the target network device may be pre-configured, or the network device may send the measurement configuration to the first terminal device, and receive the measurement configuration determined by the measurement report sent by the first terminal device when it is determined that the connection state needs to be maintained. .
  • an embodiment of the present application provides a second method for indicating the status of a terminal device, and the method is as follows.
  • the second terminal device determines that it needs to enter a disconnected state.
  • the second terminal device sends a leave request to the first terminal device, where the leave request is used to indicate that the second terminal device needs to enter a disconnected state.
  • the first terminal device is in a connected state and the first terminal device communicates with the network device through the second terminal device.
  • the first terminal device sends the UE auxiliary information to the network device through the second terminal device, that is, the second terminal device relays the UE auxiliary information sent by the first terminal device to the network device.
  • the UE auxiliary information carries first request information, and the first request information is used to request a target state of the first terminal device, and the target state may be a disconnected state, or a deactivated state or an idle state in the disconnected state ;
  • the UE assistance information sent by the first terminal device is a message exchanged between the first terminal device and the network device.
  • the UE assistance information sent by the first terminal device may also be other messages, as long as it carries the first request information, which is not limited.
  • the first request information includes a cause value (cause), where the cause value is used to indicate that the second terminal device needs to enter the disconnected state.
  • S303 in FIG. 3 specifically illustrates that the first request information carried in the UE auxiliary information sent by the first terminal device includes a reason value: relay leave.
  • the network device can determine, based on the aforementioned cause value, that the first terminal device requests its target state because the second terminal device needs to enter the disconnected state. Do not release or reserve the first resource in the second terminal device, the first resource is the resource required by the second terminal device to provide a relay service for the first terminal device, and the first resource is used by the second terminal device to The information from the first terminal device is sent to the network device, or the first resource is used for the information received by the second terminal device from the network device to be sent to the first terminal device; instead, it waits for the second terminal device to initiate a related request to enter the disconnected state , the first resource and the second resource in the second terminal device are released at one time, and the second resource is the resource required by the second terminal device to communicate with the network device.
  • the resource processing flow for the second terminal device can be simplified, and the signaling overhead can be reduced.
  • FIG. 3 illustrates that after receiving the UE assistance information sent by the first terminal device in S303, the network device temporarily reserves the first resource in the second terminal device; waiting for receiving the UE assistance information sent by the second terminal device in S306 After the UE assists the information, the first resource and the second resource in the second terminal device are released.
  • the aforementioned first resource and second resource are pre-configured by the network device in the second terminal device.
  • the network device sends a connection release message to the first terminal device through the second terminal device, where the connection release message carries first indication information, where the first indication information is used to indicate a target state of the first terminal device, and the target state is idle One of the state and the deactivated state.
  • the first indication information in the connection release message includes context information
  • the first indication information is specifically used to indicate that the target state of the first terminal device is the deactivated state, and after the first terminal device receives the connection release message, , switch from the connected state to the deactivated state based on the context information contained in the first indication information;
  • the first indication information in the connection release message does not contain context information, the first indication information is specifically used to indicate the target of the first terminal device The state is the idle state, and the first terminal device switches from the connected state to the idle state after receiving the connection release message.
  • the connection release message sent by the network device to the first terminal device may be implemented by using an RRC Connection Release message.
  • the first indication information may be SuspendConfig in the RRC Connection Release message sent by the network device to the first terminal device; wherein, if the SuspendConfig contains context information, it indicates the target state of the first terminal device indicated by it. In the deactivated state; if the context information is not included in the SuspendConfig, it indicates that the target state of the first terminal device indicated by the SuspendConfig is in the deactivated state.
  • connection release message sent by the network device in S304 to the first terminal device may also be other messages, as long as it carries the first indication information, which is not limited.
  • the leaving response is used to instruct the first terminal device to confirm that the second terminal device needs to enter the disconnected state, and the leaving response is also used to instruct the first terminal device to enter the target state indicated by the first indication information. Then, the second terminal device may determine that the first terminal device enters the target state according to the leaving response.
  • the second terminal device sends UE auxiliary information to the network device, the UE auxiliary information sent by the second terminal device carries second request information, and the second request information is used to request the target state of the second terminal device, the second terminal device
  • the target state of the device is the disconnected state or the idle state in the disconnected state or the deactivated state in the disconnected state.
  • the UE assistance information sent by the second terminal device may also be other messages, as long as it carries the second request information, which is not limited.
  • the second request information includes a state identifier used to indicate the target state that the second terminal device wants to enter, and the state identifier included in the second request information may be the target state that the second terminal device wants to enter, or it may be able to represent the target state that the second terminal device wants to enter.
  • the index of the target state that the second terminal device wants to enter, and the target state that the second terminal device wants to enter is the disconnected state or the idle state in the disconnected state or the deactivated state in the disconnected state.
  • the second request information may be the preferredRRC-State-r16 field defined in ReleasePreference-r16 in the UE auxiliary information sent by the second terminal device; the value of the preferredRRC-State-r16 field is the value included in the second request information status ID.
  • the value of the preferredRRC-State-r16 field in the UE assistance information sent by the second terminal device is the value of Idle state/idle, deactivated state/inactive, or "1, 2", or "01, 10". If the target state that the second terminal device wants to enter is the idle state in the disconnected state, the preferredRRC-State-r16 field in the UE assistance information sent by the second terminal device takes the value of the idle state/idle, or "1", or "01".
  • the value of the preferredRRC-State-r16 field in the UE assistance information sent by the second terminal device is inactive state/inactive, or "2" , or "10".
  • the network device sends a connection release message to the second terminal device, where the connection release message carries second indication information, and the second indication information is used to indicate the target state (eg, idle state or deactivated state) of the second terminal device.
  • the target state eg, idle state or deactivated state
  • the second indication information is a response made by the network device to the second request information in the UE auxiliary information sent by the second terminal device, and the target state indicated by the second indication information may be determined by the network device itself or when the second request information is sent by the second terminal device.
  • the network device determines that the target state indicated by the second indication information is consistent with the target state requested by the second request information.
  • the second indication information in the connection release message includes context information
  • the second indication information is specifically used to indicate that the target state of the second terminal device is the deactivated state
  • the second terminal device receives the connection release message. Then, enter the deactivated state based on the context information contained in the second indication information; if the first indication information in the connection release message does not contain the context information, the second indication information is specifically used to indicate that the target state of the second terminal device is idle state, the second terminal device enters the idle state after receiving the connection release message.
  • the connection release message sent by the network device to the second terminal device may be implemented by using an RRC Connection Release message.
  • the second indication information may be SuspendConfig in the RRC Connection Release message sent by the network device to the second terminal device; wherein, if the SuspendConfig contains context information, it indicates the target state of the second terminal device indicated by it. In the deactivated state; if the context information is not included in the SuspendConfig, it indicates that the target state of the second terminal device indicated by the SuspendConfig is in the deactivated state.
  • connection release message sent by the network device to the second terminal device in S307 may also be other messages, as long as it carries the second indication information, which is not limited.
  • the second terminal device first notifies the first terminal device that it needs to enter the disconnected state, and triggers the first terminal device to send the second message to the network device through the second terminal device, that is, actively initiates the request target Status; the network device indicates the target status requested according to the second message to the first terminal, and the network changes are minor.
  • the second terminal device requests the network device to instruct it to enter the disconnected state. It can prevent the second terminal device from entering the disconnected state from affecting the services of the first terminal device.
  • the aforementioned S303 and S304 may not be performed, but the following steps S1 and S2 are performed, and then S305 to S307 are performed.
  • connection reconfiguration message may include configuration information of the target network device, and the configuration information of the target network device includes the identifier of the target network device and the wireless resources allocated by the target network device to the first terminal device.
  • the target network device may be pre-configured, or the network device may send the measurement configuration to the first terminal device, and receive the measurement configuration determined by the measurement report sent by the first terminal device when it is determined that the connection state needs to be maintained.
  • an embodiment of the present application provides a third method for indicating a state of a terminal device, and the method is as follows.
  • S401 The second terminal device determines that it needs to enter a disconnected state.
  • the second terminal device sends a leave request to the first terminal device, where the leave request is used to indicate that the second terminal device needs to enter a disconnected state.
  • the first terminal device is in a connected state and the first terminal device communicates with the network device through the second terminal device.
  • the first terminal device sends a leave response to the second terminal device, and the leave response carries the target state that the first terminal device wants to enter. active state.
  • the second terminal device sends the UE auxiliary information to the network device according to the leaving response; wherein the UE auxiliary information sent by the second terminal device carries the first request information and the second request information.
  • the first request information is used to request the target state of the first terminal device, and the target state of the first terminal device is one of a disconnected state, an idle state, and a deactivated state; the first terminal device requested by the first request information
  • the target state of the device is consistent with the target state that the first terminal device wishes to enter carried in the aforementioned leave response;
  • the second request information is used to request the target state of the second terminal device, and the target state of the second terminal device may be disconnected It can also be a deactivated state or an idle state in a disconnected state.
  • the first request information may be remoteID-preferredRRC-State-r16 newly defined in ReleasePreference-r16 in the UE auxiliary information sent by the second terminal device; the second request information may be is the preferredRRC-State-r16 field defined in ReleasePreference-r16 in the UE assistance information sent by the second terminal device.
  • the first request information and the second request information may also be other messages, for example, the fields carried in the third message may also be other fields, which are not limited in this embodiment of the present application.
  • the network device sends a connection release message to the first terminal device through the second terminal device, where the connection release message carries first indication information, where the first indication information is used to indicate a target state of the first terminal device, and the target state is idle One of the state and the deactivated state.
  • connection release message sent by the network device in S405 to the first terminal device may also be other messages, as long as it carries the first indication information, which is not limited.
  • the network device sends a connection release message to the second terminal device, where the connection release message carries second indication information, and the second indication information is used to indicate the target state of the second terminal device (for example: one of an idle state and a deactivated state). kind).
  • connection release message sent by the network device to the second terminal device in S406 may also be other messages, as long as it carries the second indication information, which is not limited.
  • the second terminal device when the second terminal device needs to enter the non-connected state, the second terminal device requests the network device for the target state it wants to enter on behalf of the first terminal device, which is beneficial to reduce the time when the first terminal device enters the target state. Delay, the network device instructs the first terminal device to enter its desired target state, which can prevent the second terminal device from entering the disconnected state from affecting the services of the first terminal device. And by carrying the first request information and the second request information in the UE auxiliary information sent by the second terminal device to the network device, the second terminal device does not need to wait for the first terminal device to enter the target state before requesting to enter the target state, which is helpful for Improve the status processing efficiency of terminal devices.
  • the second terminal device first initiates a request to the network device to enter the disconnected state, and the network device determines and instructs the target state of the first terminal device.
  • the first terminal device may enter a target state that the network device expects the first terminal device to enter.
  • the first terminal device may not enter the target state that the network device expects the first terminal device to enter, but may request the network device to enter the target state that it wants to enter.
  • the embodiment of the present application provides a fourth terminal state indication method, which is as follows .
  • the second terminal device sends second request information to the network device, where the second request information is used to request a target state of the second terminal device, and the target state is a disconnected state or an idle state or a deactivated state in the disconnected state.
  • the second terminal device may send the second request information to the network device by sending UE assistance information (UE Assistance information) carrying the second request information to the network device.
  • UE assistance information UE Assistance information
  • the UE assistance information sent by the second terminal device may also be other messages, as long as it carries the second request information, which is not limited.
  • implementation manner of the second request information may be implemented with reference to the implementation manner in S306, and details are not described herein again.
  • the network device determines based on the second request information that the second terminal device needs to enter a disconnected state, and the network device sends a measurement configuration to the first terminal device through the second terminal device; wherein, the first terminal device is in a connected state and the first terminal device Communicate with the network device through the second terminal device.
  • the measurement configuration is used to instruct the first terminal device to measure cell information of the serving cell of the first terminal device and cell information of neighboring cells of the serving cell.
  • the measurement configuration carries identification information of the serving cell and neighboring cells, and the identification information includes a cell identifier (cell identifier) and a frequency point.
  • the measurement configuration also carries a measurement event, where the measurement event is used to indicate a setting condition for the first terminal device to perform a measurement report to the network device.
  • measurement events include:
  • event A1 When the signal strength of the serving cell is higher than the preset signal strength threshold, a measurement report is made.
  • event A2 When the signal strength of the serving cell is lower than the preset signal strength threshold, a measurement report is performed.
  • event A4 When the signal strength of the neighboring cell is higher than the preset signal strength threshold, a measurement report is made.
  • event A5 When the signal strength of the serving cell is lower than the preconfigured signal strength threshold 1, and the signal strength of the neighboring cell is higher than the preconfigured signal strength threshold 2, a measurement report is performed.
  • event A7 If the first terminal device wishes to remain in the connected state, it reads the neighbor information of the serving cell of the first terminal device and performs a measurement report; otherwise, the first terminal device sends a request for entering the disconnected state to the network device. information.
  • the first terminal device determines that the target state of the first terminal device is a connected state, and sends a measurement report of the measurement configuration to the network device through the second terminal device.
  • the reason for sending the measurement report by the first terminal device may be that the first terminal device has data to be sent and needs to remain in the connected state, or the first terminal device may determine that the first terminal device responds to the network device's request that the first terminal device remains in the connected state. remain connected.
  • the measurement report includes the identifier of the neighbor cell and the signal strength of the neighbor cell.
  • the network device determines, according to the measurement report, a neighboring cell with the strongest signal strength that can provide services for the first terminal device, and determines the network device to which it belongs according to the identifier of the neighboring cell with the strongest signal strength, and sets the The network device to which the neighboring cell with the strongest signal strength belongs is determined as the target network device that can directly communicate with the first terminal device, and the target network device that can directly communicate with the first terminal device.
  • the neighboring cell with the strongest signal strength is the cell under the network device itself, then the network device determines itself as the target network device, and executes the following S504a and S505a after S503. That is, referring specifically to FIG. 5a, the steps executed in this case include S501-S503, as well as S504a and S505a.
  • the network device sends a connection reconfiguration message to the first terminal device through the second terminal device, where the connection reconfiguration message includes configuration information of the network device, where the configuration information includes an identifier of the network device, a wireless network device allocated by the network device to the first terminal device resource. Then the first terminal device establishes a direct connection to the network device according to the connection reconfiguration message.
  • the network device sends second indication information to the second terminal device, where the second indication information is used to indicate a target state (for example, one of an idle state and a deactivated state) of the second terminal device.
  • a target state for example, one of an idle state and a deactivated state
  • the network device may send the second indication information to the second terminal device by sending a connection release message carrying the second indication information to the second terminal device.
  • the connection release message sent by the first network device to the second terminal device may also be other messages, as long as it carries the second indication information, which is not limited.
  • the implementation of the second indication information may be performed with reference to the implementation in S307, and details are not described herein again.
  • the neighboring cell with the strongest signal strength is not a cell under the network device itself, then the network device determines that it is not the target network device, and executes the following S504b, S505b, and S507-S510 after S503.
  • the steps executed in this case include S501-S503, S504b, S505b, and S507-S510.
  • the network device initiates a handover request (handover request) to the target network device, where the handover request is used to request the target network device to configure resources for the first terminal device.
  • handover request a handover request
  • the network device receives a handover request acknowledgement (handover request acknowledgement) from the target network device, and the handover request acknowledgement is used to instruct the target network device to perform resource configuration for the first terminal device, that is, to access the first terminal device to the target network device.
  • the handover request confirmation carries the radio resources allocated by the target network device to the first terminal device.
  • the network device sends a connection reconfiguration message to the first terminal device through the second terminal device, where the connection reconfiguration message includes configuration information of the target network device, where the configuration information includes the identifier of the target network device, and the target network device is the first terminal device allocated radio resources. Then, the first terminal device establishes a direct connection to the target network device according to the connection reconfiguration message.
  • the network device sends second indication information to the second terminal device, where the second indication information is used to indicate a target state (for example, an idle state or a deactivated state) of the second terminal device.
  • a target state for example, an idle state or a deactivated state
  • the network device may send the second indication information to the second terminal device by sending a connection release message carrying the second indication information to the second terminal device.
  • the connection release message sent by the first network device to the second terminal device may also be other messages, as long as it carries the second indication information, which is not limited.
  • the implementation of the second indication information may be performed with reference to the implementation in S307, and details are not described herein again.
  • the first terminal device establishes a direct connection to the target network device according to the received connection reconfiguration message, and sends a connection reconfiguration complete message, such as RRC connection reconfiguration complete, to the target network device.
  • a connection reconfiguration complete message such as RRC connection reconfiguration complete
  • the target network device sends a path switch request (PATH SWITCH REQUEST) to the AMF network element in the core network, where the path switch request is used to request to switch the data transmission tunnel of the first terminal device from the network device to the target network device.
  • PATH SWITCH REQUEST a path switch request
  • the AMF requests the UPF for information of the data transmission tunnel of the first terminal device, such as the port number and IP address; the AMF completes the path switch based on the information of the data transmission tunnel of the first terminal device, and the AMF sends a path switch request response to the target network device (PATH SWITCH REQUEST RESPONSE), the path switch request response is used to instruct the data transmission tunnel of the first terminal device to be switched from the network device to the target network device.
  • PATH SWITCH REQUEST RESPONSE the path switch request response is used to instruct the data transmission tunnel of the first terminal device to be switched from the network device to the target network device.
  • the network device when the network device determines that the second terminal device needs to enter the disconnected state and wants the first terminal device to remain in the connected state, the network device sends the measurement configuration to the first terminal device.
  • the first terminal device determines that it needs to maintain a connection state, and sends a measurement report of the measurement configuration to the network device through the second terminal device, and then the network device determines a target network device that can be directly connected to the first terminal device according to the measurement report, and completes the connection required.
  • the relevant configuration on the network side of the terminal can prevent the second terminal device from entering a disconnected state from affecting services such as data transmission required by the first terminal device.
  • the embodiment of the present application provides a fifth terminal state indication method, which is as follows .
  • the second terminal device sends second request information to the network device, where the second request information is used to request a target state of the second terminal device, and the target state is a disconnected or idle state in a disconnected state or an idle state in a disconnected state deactivated state.
  • the second terminal device may send the second request information to the network device by sending UE assistance information (UE Assistance information) carrying the second request information to the network device.
  • UE assistance information UE Assistance information
  • the UE assistance information sent by the second terminal device may also be other messages, as long as it carries the second request information, which is not limited.
  • implementation manner of the second request information may be implemented with reference to the implementation manner in S306, and details are not described herein again.
  • the network device determines based on the second request information that the second terminal device needs to enter a disconnected state, and the network device sends a measurement configuration to the first terminal device through the second terminal device; wherein, the first terminal device is in a connected state and the first terminal device Communicate with the network device through the second terminal device.
  • the first terminal device determines that there is no data to be sent, and requests the network device through the second terminal device for a target state of the first terminal device, the target state may be a disconnected state, or specifically an idle state in a disconnected state or a disconnected state deactivated state.
  • the first terminal device may send first request information to the network device through the second terminal device, where the first request information is used to request the target state of the first terminal device, and the first request information requests
  • the target state of the device can be a disconnected state, an idle state in a disconnected state, or a deactivated state in a disconnected state; wherein, the first request information contains a target state used to indicate that the first terminal device wishes to enter,
  • the state identifier of the target state to be entered the state identifier is, for example, a state identifier of a state in a disconnected state, an idle state, and a deactivated state.
  • the first terminal device may send a second message to the second terminal device, where the second message is used to instruct the first terminal device to confirm that the second terminal device needs to enter the disconnected state.
  • the second message carries the target state that the first terminal wishes to enter (for example, one of a disconnected state, an idle state, and a deactivated state).
  • the second terminal device sends first request information to the network device according to the second message, where the first request information includes a state used to indicate that the first terminal device wishes to enter one of a disconnected state, an idle state, and a deactivated state logo.
  • the implementation may be performed with reference to the two optional implementation manners in the foregoing S203, which will not be repeated here.
  • the network device sends a connection release message to the first terminal device through the second terminal device, the connection release message received by the first terminal device carries first indication information, and the first indication information is used to indicate the target state of the first terminal device,
  • the target state is one of an idle state and a deactivated state.
  • connection release message sent by the network device in S604 to the first terminal device may also be other messages, as long as it carries the first indication information, which is not limited.
  • the network device sends a connection release message to the second terminal device, the connection release message received by the second terminal device carries second indication information, and the second indication information is used to indicate a target state of the second terminal device, and the target state is idle state or deactivated state.
  • the implementation manner of the second indication information may be performed with reference to the implementation manner in S307, and details are not described herein again.
  • the connection release message sent by the network device in S605 to the second terminal device may also be other messages, as long as it carries the second indication information, which is not limited.
  • the network device determines that the first terminal device enters the target state, and then sends the second indication information to the second terminal device.
  • the manner in which the network device determines that the first terminal device enters the target state may include the following process: (1) The first terminal device changes from the connected state to the deactivated state or idle state based on receiving the connection release message described in S703a After the state has entered the target state, the second terminal device is notified that it has entered the target state.
  • the specific notification method may be that the first terminal device sends the foregoing leave response to the second terminal device, which is not limited here.
  • the second terminal device notifies the network device that the first terminal device has entered the target state.
  • the specific notification method may be that the second terminal device sends the leaving response sent by the first terminal device to the network device, which is not limited here.
  • the network device determines that the first terminal device enters the target state according to the notification from the second terminal device.
  • the network device when the network device determines that the second terminal device needs to enter the disconnected state and wants the first terminal device to remain in the connected state, the network device sends the measurement configuration to the first terminal device.
  • the first terminal device determines that it can enter the disconnected state, and requests the network device through the second terminal device that the target state of the first terminal device belongs to the disconnected state (for example: disconnected state, idle state, or deactivated state), and the network device then Instructing the first terminal device to enter the idle state or the deactivated state can prevent the second terminal device from entering the disconnected state from affecting the services of the first terminal device.
  • an embodiment of the present application provides a seventh terminal state indication method, which is as follows.
  • the second terminal device sends second request information to the network device, where the second request information is used to request a target state of the second terminal device, and the target state is a disconnected or idle state in a disconnected state or an idle state in a disconnected state deactivated state.
  • the second terminal device may send the second request information to the network by sending the UE assistance information (UE Assistance information) carrying the second request information to the network device. equipment.
  • UE assistance information UE Assistance information
  • the UE assistance information sent by the second terminal device may also be other messages, as long as it carries the second request information, which is not limited.
  • implementation manner of the second request information may be implemented with reference to the implementation manner in S306, and details are not described herein again.
  • the network device configures a target state of the first terminal device, and the target state may be an idle state or a deactivated state in a disconnected state.
  • the network device determines that the first terminal device is in a connected state and the first terminal device communicates with the network device through the second terminal device, and then configures the target state of the first terminal device.
  • the network device may determine whether to set the target state of the first terminal device to the idle state or the deactivated state according to the preconfigured target state of the first terminal device and/or the second request information.
  • the network device will check whether the target state of the first terminal device is preconfigured or randomly The target state of the first terminal device is set to one of an idle state and a deactivated state.
  • the network device may set the target state of the first terminal device to be the same as the second request information. Request the same state as the target state of the second terminal device.
  • the following steps S703a-S704a are performed after S702, that is, referring to FIG. 7a in detail, the optional implementation manner includes steps S701-S702, and S703a-S704a.
  • the network device sends first indication information to the first terminal device through the second terminal device, where the first indication information is used to indicate the target state (eg idle state or deactivated state) of the first terminal device, and the first indication information
  • the indicated target state may be the same as the target state of the first terminal device configured by the network device in S702.
  • the network device may send a connection release message carrying the first indication information to the first terminal device through the second terminal device, so as to send the first indication information to the first terminal device.
  • the connection release message sent by the first network device to the first terminal device may also be other messages, as long as it carries the first indication information, which is not limited.
  • the implementation of the first indication information may be performed with reference to the implementation in S304, and details are not described herein again.
  • the network device sends second indication information to the second terminal device, where the second indication information is used to indicate a target state of the second terminal device, and the target state is one of an idle state and a deactivated state.
  • the network device may send the second indication information to the second terminal device by sending a connection release message carrying the second indication information to the second terminal device.
  • the connection release message sent by the first network device to the second terminal device may also be other messages, as long as it carries the second indication information, which is not limited.
  • implementation manner of the second indication information may be performed with reference to the implementation manners in S307 and S605, and details are not described herein again.
  • steps S703b, S704b, and S705-S706 are performed after S702. That is, referring specifically to FIG. 7b , the alternative embodiment includes steps S701-S702, S703b, S704b, and S705-S706.
  • the network device sends a connection release message to the second terminal device, where the connection release message carries the first indication information and the second indication information.
  • the first indication information is used to indicate the target state (eg: idle state or deactivated state) of the first terminal device, and the target state is the same as the target state of the first terminal device configured by the network device in S702.
  • the second indication information is used to indicate a target state of the second terminal device, and the target state of the second terminal device is an idle state or a deactivated state.
  • the second indication information is a response made by the network device to the second terminal device sending the second request information, and the target state indicated by the second indication information may be determined by the network device itself or when the second request information is indicated.
  • the network device determines that the target state indicated by the second indication information is consistent with the target state requested by the second request information.
  • the connection release message sent by the network device to the second terminal device may be implemented by using an RRC Connection Release message.
  • the first indication information may be the newly defined ReleaseForOtherUE in the RRC Connection Release message sent by the network device to the second terminal device; wherein, if ReleaseForOtherUE contains context information, it indicates that the first terminal device indicated by it The target state is deactivated state; if the context information is not included in ReleaseForOtherUE, it means that the target state of the first terminal device indicated by it is deactivated state.
  • ReleaseForOtherUE is only used as an indication of a field name, and other field names can also be set in the RRC Connection Release message sent by the network device to the second terminal device to indicate the first indication information, which is not the case in this embodiment of the present application. limit.
  • the second indication information may be SuspendConfig in the RRC Connection Release message sent by the network device to the second terminal device; wherein, if the SuspendConfig contains context information, it indicates the target state of the second terminal device indicated by it. In the deactivated state; if the context information is not included in the SuspendConfig, it indicates that the target state of the second terminal device indicated by the SuspendConfig is in the deactivated state.
  • connection release message sent by the first network device to the second terminal device in S703b may also be other messages, as long as it carries the first indication information and the second indication information, which is not limited.
  • the second terminal device sends a first message to the first terminal device, where the first message is used to indicate that the second terminal device needs to enter a disconnected state.
  • the first message may be a leave request.
  • the first terminal device may determine that the terminal device needs to enter a disconnected state, or the second terminal device is about to leave.
  • the first message carries information used to indicate the target state of the first terminal device.
  • the first message may carry the first indication information of the connection release message in S703b; or, the first message may carry the target state of the first terminal device, and the target state of the first terminal device is the same as the connection release in S703b.
  • the target states of the first terminal equipment indicated by the first indication information of the message are the same.
  • the second terminal device sends a leave request to the first terminal device, and the leave request carries the first indication information.
  • the first terminal device changes from the connection state to the target state indicated by the first indication information. Specifically, if the first indication information includes context information, indicating that the first indication information is used to indicate that the target state of the first terminal device is the deactivated state, then the first terminal device is connected by the connection based on the context information contained in the first indication information. If the first indication information does not contain context information, it indicates that the first indication information is used to indicate that the target state of the first terminal device is the idle state, then the first terminal device changes from the connected state based on the first indication information to the idle state. to idle state.
  • the first terminal device sends a second message to the second terminal device, the second message is used to instruct the first terminal device to confirm that the second terminal device needs to enter the disconnected state, and the second message is also used to instruct the first terminal device to enter the target state.
  • the second message may be a leave response.
  • the network device when the network device determines that the second terminal device needs to enter the disconnected state, the network device sets the first terminal device and the second terminal device to an idle state or a deactivated state, respectively, and sends the second terminal device to the second terminal device.
  • a terminal device instructs the first terminal device to configure its own target state according to the instructions of the network device, which can prevent the second terminal device from entering the disconnected state from affecting the services of the first terminal device, and improve the state of the first terminal device. processing efficiency.
  • an embodiment of the present application provides an apparatus 800 for indicating a state of a terminal device.
  • the apparatus 800 includes a communication module 801 and a processing module 802 .
  • the terminal equipment status indication apparatus 800 may be the first terminal equipment, or may be an apparatus applied to the first terminal equipment and capable of supporting the first terminal equipment to execute the terminal equipment status indication method, or the terminal equipment status indication apparatus 800 may be the second terminal device, or may be a device applied to the second terminal device and capable of supporting the second terminal device to execute the state indicating method of the terminal device, or the state indicating device 800 of the terminal device may be a network device, or It may be an apparatus applied to a network device and capable of supporting the network device to execute a state indication method of a terminal device.
  • Embodiment 1 The apparatus 800 is applied to a first terminal device, where the first terminal device is in a connected state and the first terminal device communicates with a network device through the second terminal device.
  • the apparatus 800 includes:
  • the communication module 801 is configured to receive a first message from the second terminal device, where the first message is used to indicate that the second terminal device needs to enter a disconnected state.
  • the communication module 801 is further configured to send first request information to the network device through the second terminal device, where the first request information is used to request the target state of the first terminal device; or, send a second message to the second terminal device, the second The message is used to instruct the first terminal device to confirm that the second terminal device needs to enter the disconnected state, so that the second terminal device sends first request information to the network device, and the first request information is used to request the target state of the first terminal device.
  • the second terminal device first notifies the first terminal device that it needs to enter the disconnected state, triggering the first terminal device to actively initiate a request for the target state, and the network device sends the target state based on the request of the first terminal device Instructing the first terminal device can prevent the second terminal device from entering the disconnected state from affecting the services of the first terminal device.
  • the communication module 801 is further configured to: receive first indication information from the network device through the second terminal device, where the first indication information is used to indicate the target state of the first terminal device.
  • the communication module 801 is further configured to: receive a connection release message from the network device through the second terminal, the connection release message carries first indication information, and the first indication information is used to indicate the first indication
  • the target state of the terminal device, the target state indicated by the first indication information is one of an idle state and a deactivated state.
  • the first indication information includes context information, and the target state indicated by the first indication information is a deactivated state; or, the first indication information does not include context information, and the first indication information contains The indicated target state is the idle state.
  • the first request information includes information used to indicate a target state that the first terminal device wishes to enter; and/or, the second message includes information used to indicate that the first terminal device wishes to enter Information about the target state.
  • the first request information includes a cause value
  • the cause value is used to indicate that the second terminal device needs to enter the disconnected state.
  • the apparatus further includes: a processing module 802, configured to determine that the first terminal device needs to remain connected; a communication module 801, further configured to send a path switching request to the network device through the second terminal device; The communication module 801 is further configured to receive a connection reconfiguration message from the network device through the second terminal device, the connection reconfiguration message is used to instruct the first terminal device to establish a direct connection to the target network device, and the connection reconfiguration message includes the target network Device configuration information.
  • the apparatus 800 is applied to a first terminal device, the first terminal device is in a connected state and the first terminal device communicates with a network device through the second terminal device.
  • the apparatus 800 includes:
  • the communication module 801 is used to receive the measurement configuration from the network device through the second terminal device; wherein, the measurement configuration is sent by the network device when it is determined that the second terminal device needs to enter the disconnected state; the communication module 801 is also used to pass the first terminal device.
  • the second terminal device sends a measurement report of the measurement configuration or the first request information to the network device, where the first request information is used to request the target state of the first terminal device.
  • the network device when the network device determines that the second terminal device needs to enter the disconnected state and wants the first terminal device to remain in the connected state, the network device sends the measurement configuration to the first terminal device.
  • the first terminal device may determine that it needs to remain in the connected state, and sends a measurement report of the measurement configuration to the network device through the second terminal device, or the first terminal device determines that it may not remain in the connected state, and sends the first terminal device to the network device through the second terminal device.
  • Request information Furthermore, the network device can indicate the target state of the first terminal device based on the measurement report fed back by the first terminal device or the first request information, which can prevent the second terminal device from entering a disconnected state from affecting services such as data transmission required by the first terminal device. .
  • the apparatus further includes a processing module 802; if the communication module 801 is configured to send a measurement report of the measurement configuration to the network device through the second terminal device, the communication module 801 is further configured to send a measurement report of the measurement configuration to the network device through the second terminal device.
  • the device receives a connection reconfiguration message from the network device, where the connection reconfiguration message includes configuration information of the target network device; the processing module 802 is configured to establish a direct connection to the target network device according to the connection reconfiguration message.
  • the method further includes: receiving, through the second terminal device, a connection release message from the network device, where the connection release message carries the first request message.
  • Indication information the first indication information is used to indicate the target state of the first terminal device, and the target state indicated by the first indication information is one of an idle state and a deactivated state.
  • the first indication information includes context information, and the target state indicated by the first indication information is a deactivated state; or, the first indication information does not include context information, and the first indication information contains The indicated target state is the idle state.
  • the third embodiment the apparatus 800 is applied to a first terminal device, the first terminal device is in a connected state, and the first terminal device communicates with the network device through the second terminal device.
  • the apparatus 800 includes:
  • the communication module 801 is used for acquiring the target state of the first terminal device configured by the network device; wherein, the target state of the first terminal device is configured by the network device when it determines that the second terminal device needs to enter the disconnected state; the processing module 802 , which is used to make the first terminal device enter the target state of the first terminal device configured by the network device.
  • the first terminal device obtains and enters the target state of the first terminal device configured by the network device when determining that the second terminal device is to enter the disconnected state, so as to prevent the first terminal device from being unable to continue to communicate with the network through the second terminal. The impact on the service of the first terminal device when the device communicates.
  • the communication module 801 is further configured to: receive first indication information from the network device through the second terminal device, where the first indication information is used to indicate the target state of the first terminal device, the first The target state indicated by the indication information is one of an idle state and a deactivated state; wherein, the first indication information is sent by the network device when it receives the second request information sent by the second terminal device, and the second request information is sent by the network device.
  • the target state requested by the second request information is one of a disconnected state, an idle state, and a deactivated state.
  • the communication module 801 is further configured to: receive a first message sent by the second terminal device, where the first message carries information used to indicate the target state of the first terminal device; wherein the first message A message is sent when the second terminal device receives the connection release message sent by the network device.
  • the connection release message carries first indication information, and the first indication information is used to indicate the target state of the first terminal device; the connection release message is Sent by the network device when it receives the second request message sent by the second terminal device, the second request message is used to request the target state of the second terminal device, and the target state requested by the second request message is the disconnected state and the idle state , one of the deactivated states.
  • the apparatus 800 is applied to the second terminal equipment, and the second terminal equipment is used to establish communication between the first terminal equipment in the connected state and the network equipment, and the apparatus 800 includes:
  • the communication module 801 is configured to send a first message to the first terminal device, where the first message is used to indicate that the second terminal device needs to enter a disconnected state.
  • the communication module 801 is further configured to send the first request information from the first terminal device to the network device, where the first request information is used to request the target state of the first terminal device; or, receive the second message sent by the first terminal device , the second message is used to instruct the first terminal device to confirm that the second terminal device needs to enter the disconnected state, and to send first request information to the network device, where the first request information is used to request the target state of the first terminal device.
  • the second terminal device first notifies the first terminal device that it needs to enter the disconnected state, triggering the first terminal device to actively initiate a request for the target state, and the network device sends the target state based on the request of the first terminal device Instructing the first terminal device can prevent the second terminal device from entering the disconnected state from affecting the services of the first terminal device.
  • the communication module 801 is further configured to send first indication information from the network device to the first terminal device, where the first indication information is used to indicate the target state of the first terminal device; wherein, The first indication information is sent by the network device after receiving the first request information.
  • the apparatus further includes a processing module 802; the communication module 801 is further configured to send the second request information to the network device when the processing module 802 determines that the first terminal device has received the first indication information; Alternatively, the communication module 801 is further configured to send a third message to the network device after receiving the second message sent by the first terminal device, where the third message carries the first request information and the second request information, and the second request information is used to request The target state of the second terminal device, and the target state requested by the second request information is one of a disconnected state, an idle state, and a deactivated state.
  • the communication module 801 is further configured to receive second indication information sent by the network device, where the second indication information is used to indicate the target state of the second terminal device, and the target indicated by the second indication information
  • the state is one of an idle state and a deactivated state; wherein, the second indication information is sent by the network device after receiving the second request information.
  • the first request information includes information used to indicate a target state that the first terminal device wishes to enter; and/or, the second message includes information used to indicate that the first terminal device wishes to enter Information about the target state.
  • the communication module 801 is further configured to send a connection release message from the network device to the first terminal device; wherein the connection release message carries first indication information, and the first indication information indicates The target state is one of the idle state and the deactivated state.
  • the first indication information includes context information, and the target state indicated by the first indication information is a deactivated state; or, the first indication information does not include context information, and the first indication information contains The indicated target state is the idle state.
  • the communication module 801 is further configured to send a path switching request from the first terminal device to the network device; wherein, the path switching request is a request made by the first terminal device when it is determined that the connection state needs to be maintained. sent; the connection reconfiguration message from the network device is sent to the first terminal device, the connection reconfiguration message is used to instruct the first terminal device to establish a direct connection to the target network device, and the connection reconfiguration message contains the configuration information of the target network device .
  • the apparatus 800 is applied to network equipment, the network equipment communicates with the first terminal equipment in the connected state through the second terminal equipment, and the second terminal equipment needs to enter the non-connected state, and the apparatus 800 includes:
  • the communication module 801 is configured to receive first request information, where the first request information is used to request the target state of the first terminal device.
  • the communication module 801 is further configured to indicate the target state of the first terminal device to the first terminal device through the second terminal device.
  • the first request information is sent to the network device, so as to trigger the network device to indicate the target state of the first terminal device, so as to prevent the second terminal device from entering the disconnected state.
  • the connection state affects the service of the first terminal device.
  • the first request information includes information used to indicate a target state that the first terminal device wishes to enter, and the method further includes: according to the target state that the first terminal device The target state of the first terminal device indicated by the terminal device.
  • the communication module 801 is further configured to send a connection release message to the first terminal device through the second terminal device, where the connection release message carries first indication information, and the first indication information is used to indicate the first The target state of the terminal device, the target state indicated by the first indication information is one of an idle state and a deactivated state; or, a connection reconfiguration message is sent to the first terminal device through the second terminal device, and the connection reconfiguration message is used to indicate that the target state of the first terminal device is the connected state.
  • the communication module 801 is further configured to: receive, through the second terminal device, first request information sent by the first terminal device, where the first request information is when the first terminal device receives a message from the second terminal device. Sent when the first message from the terminal device is used to indicate that the second terminal device needs to enter the disconnected state; or, the first message sent by the receiving second terminal device when it receives the second message from the first terminal device. a request message; wherein, the second message is sent by the first terminal device when it receives the first message from the second terminal device; the first message is used to indicate that the second terminal device needs to enter the disconnected state, and the second message is used It is used to instruct the first terminal device to confirm that the second terminal device needs to enter the disconnected state.
  • the communication module 801 after indicating the target state of the first terminal device, is further configured to: receive second request information sent by the second terminal device, where the second request information is used to request the second terminal device
  • the target state of the terminal device, the target state requested by the second request information is one of a disconnected state, an idle state, and a deactivated state.
  • the communication module 801 is further configured to: receive a third message sent by the second terminal device when receiving the second message from the first terminal device, where the third message carries the first request information and second request information, the second request information is used to request the target state of the second terminal device, and the target state requested by the second request information is one of a disconnected state, an idle state, and a deactivated state.
  • the communication module 801 is further configured to: when receiving the second request information, send second indication information to the second terminal device, where the second indication information is used to indicate the The target state, the target state indicated by the second indication information is one of an idle state and a deactivated state.
  • the first request information includes a cause value, and the cause value is used to indicate that the second terminal device needs to enter the disconnected state;
  • the apparatus further includes a processing module 802; the processing module 802 is used for in the communication module 801 When receiving the first request information, do not release the first resource in the second terminal device; wherein, the first resource is used by the second terminal device to send information from the first terminal device to the network device, or the first resource is used by the second terminal device.
  • the second terminal device sends the information from the network terminal device to the first terminal device.
  • the communication module 801 is further configured to: receive, through the second terminal device, a path switching request sent by the first terminal device; wherein, the path switching request is when the first terminal device determines that the connection state needs to be maintained
  • the connection reconfiguration message is sent to the first terminal device through the second terminal device, the connection reconfiguration message is used to instruct the first terminal device to establish a direct connection to the target network device, and the connection reconfiguration message contains the configuration of the target network device. information.
  • the second embodiment the apparatus 800 is applied to network equipment, and the network equipment communicates with the first terminal equipment in a connected state through the second terminal equipment.
  • the apparatus 800 includes:
  • the communication module 801 is configured to receive second request information sent by the second terminal device, the second request information is used to request the target state of the second terminal device, and the target state requested by the second request information is a disconnected state, a deactivated state, a One of the idle states; the communication module 801 is further configured to send the measurement configuration to the first terminal device through the second terminal device; the communication module 801 is further configured to receive the measurement configuration from the first terminal device through the second terminal device The measurement report or the first request information; wherein, the first request information is used to request the target state of the first terminal device.
  • the apparatus further includes a processing module 802; the processing module 802 is configured to, when the communication module 801 receives a measurement report of the measurement configuration from the first terminal device through the second terminal device, control according to the measurement report
  • the communication module 801 sends a connection reconfiguration message to the first terminal device, where the connection reconfiguration message includes configuration information of the target network device to instruct the first terminal device to establish a direct connection to the target network device.
  • the communication module 801 is further configured to send the first indication to the first terminal device through the second terminal device when receiving the first request information from the first terminal device through the second terminal device information, the first indication information is used to indicate the target state of the first terminal device, and the target state indicated by the first indication information is one of an idle state and a deactivated state.
  • the target state indicated by the first indication information is determined according to the first request information and/or the second request information.
  • the information in the first request information is used to indicate the target state that the first terminal device wishes to enter.
  • the apparatus 800 is applied to network equipment, the network equipment communicates with the first terminal equipment in the connected state through the second terminal equipment, and the second terminal equipment needs to enter the non-connected state, the apparatus 800 includes:
  • the communication module 801 is configured to receive second request information sent by the second terminal device, the second request information is used to request the target state of the second terminal device, and the target state requested by the second request information is a disconnected state, an idle state, a One of the deactivated states; the processing module 802 is configured to configure the target state of the first terminal device; wherein, the first terminal device is in a connected state and the first terminal device communicates with the network device through the second terminal device.
  • the network device configures the target state of the first terminal device when it is determined that the second terminal device is to enter the disconnected state, so as to prevent the first terminal device from being unable to continue to communicate with the network device through the second terminal. The impact caused by the service of the first terminal device.
  • the configured target state of the first terminal device is the same as the target state requested by the second request information.
  • the communication module 801 is further configured to: send the first indication information to the first terminal device through the second terminal device, the first The indication information is used to indicate the target state of the first terminal device; or, a connection release message is sent to the second terminal device, and the connection release message carries the first indication information used to indicate the target state of the first terminal device, so that the second The terminal device sends a first message to the first terminal device, where the first message carries information used to indicate a target state of the first terminal device.
  • an embodiment of the present application provides a communication apparatus 900 .
  • the communication device 900 may be a chip or a system of chips.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the communication apparatus 900 may include at least one processor 910, and the communication apparatus 900 may further include at least one memory 920 for storing computer programs, program instructions and/or data. Memory 920 is coupled to processor 910 .
  • the coupling in the embodiments of the present application is an indirect coupling or communication connection between devices, units or modules, which may be in electrical, mechanical or other forms, and is used for information exchange between devices, units or modules.
  • Processor 910 may cooperate with memory 920 .
  • the memory 920 stores necessary computer programs, program instructions and/or data for implementing any of the above embodiments; the processor 910 may execute the computer programs stored in the memory 920 to complete the methods in any of the above embodiments.
  • at least one of the at least one memory 920 may be included in the processor 910 .
  • the communication apparatus 900 may further include a transceiver 930, and the communication apparatus 900 may exchange information with other devices through the transceiver 930.
  • the transceiver 930 can be a circuit, a bus, a transceiver, or any other device that can be used for information exchange.
  • the communication apparatus 900 may be applied to the first terminal device, and the specific communication apparatus 900 may be the first terminal device, or may be capable of supporting the first terminal device to implement any of the above-mentioned embodiments means in the function of the first terminal device.
  • the memory 920 stores necessary computer programs, program instructions and/or data to implement the functions of the first terminal device in any of the above embodiments.
  • the processor 910 can execute the computer program stored in the memory 920 to complete the method executed by the first terminal device in any of the foregoing embodiments.
  • the communication apparatus 900 may be applied to a second terminal device, and the specific communication apparatus 900 may be the second terminal device, or may be capable of supporting the second terminal device, so as to implement any of the above-mentioned implementations
  • the function of the second terminal equipment means.
  • the memory 920 stores necessary computer programs, program instructions and/or data to implement the functions of the second terminal device in any of the above embodiments.
  • the processor 910 can execute the computer program stored in the memory 920 to complete the method executed by the second terminal device in any of the foregoing embodiments.
  • the communication apparatus 900 may be applied to a network device, and the specific communication apparatus 900 may be a network device, or may be a network device capable of supporting the functions of the network device in any of the above-mentioned embodiments. installation.
  • the memory 920 holds the necessary computer programs, program instructions and/or data to implement the functions of the network device in any of the above-described embodiments.
  • the processor 910 can execute the computer program stored in the memory 920 to complete the method executed by the network device in any of the foregoing embodiments.
  • connection medium between the transceiver 930 , the processor 910 , and the memory 920 is not limited in the embodiments of the present application.
  • the memory 920, the processor 910, and the transceiver 930 are connected by a bus in FIG. 9.
  • the bus is represented by a thick line in FIG. 9.
  • the connection mode between other components is only for schematic illustration. It is not limited.
  • the bus can be divided into address bus, data bus, control bus and so on. For ease of presentation, only one thick line is used in FIG. 9, but it does not mean that there is only one bus or one type of bus.
  • the processor may be a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, which may implement or The methods, steps, and logic block diagrams disclosed in the embodiments of this application are executed.
  • a general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the methods disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware processor, or executed by a combination of hardware and software modules in the processor.
  • the memory may be a non-volatile memory, such as a hard disk drive (HDD) or a solid-state drive (SSD), etc., or may also be a volatile memory (volatile memory), for example Random-access memory (RAM).
  • the memory may also be, but is not limited to, any other medium that can be used to carry or store the desired program code in the form of instructions or data structures and that can be accessed by a computer.
  • the memory in this embodiment of the present application may also be a circuit or any other device capable of implementing a storage function, for storing computer programs, program instructions and/or data.
  • the embodiment of the present application further provides another communication apparatus 1000, including: an interface circuit 1010 and a processor 1020; the interface circuit 1010 is configured to receive code instructions and transmit them to the processor; the processor 1020 , which is used to run code instructions to execute the method executed by the first terminal device, the method executed by the second terminal device, or the method executed by the network device in any of the foregoing embodiments.
  • an embodiment of the present application further provides a computer-readable storage medium, where an instruction is stored in the computer-readable storage medium, and when the instruction is executed, the method executed by the first terminal device in any of the foregoing embodiments is executed.
  • the method performed by the second terminal device is implemented or the method performed by the network device is implemented.
  • the computer-readable storage medium may include: U disk, removable hard disk, read-only memory, random access memory, magnetic disk or optical disk and other media that can store program codes.
  • an embodiment of the present application further provides a chip, including a processor, for supporting the communication apparatus to implement the functions involved in the terminal equipment or the network equipment in the foregoing method embodiments.
  • the chip is connected to a memory or the chip includes a memory for storing necessary program instructions and data of the communication device.
  • the embodiments of the present application may be provided as a method, a system, or a computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
  • computer-usable storage media including, but not limited to, disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions
  • the apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.

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Abstract

La présente invention relève du domaine de la technologie de communication et divulgue un procédé d'indication d'état pour équipement utilisateur (UE) et un appareil de communication permettant de résoudre le problème du manque de traitement de l'état d'un UE distant lorsqu'un UE relais entre dans un état non connecté. Ledit procédé est appliqué à un premier UE. Le premier UE est dans un état connecté. Le premier UE communique avec un dispositif de réseau au moyen d'un second UE. Ledit procédé comprend les étapes consistant à : recevoir un premier message provenant d'un second UE, le premier message étant utilisé pour indiquer que le second UE doit entrer dans un état non connecté ; envoyer des premières informations de demande à un dispositif de réseau au moyen du second UE ; ou envoyer un second message au second UE, le second message étant utilisé pour indiquer que le premier UE confirme que le second UE doit entrer dans un état non connecté, de sorte que le second UE envoie les premières informations de demande au dispositif de réseau, les premières informations de demande étant utilisées pour demander un état cible du premier UE.
PCT/CN2021/107979 2020-07-29 2021-07-22 Procédé d'indication d'état pour équipement utilisateur et appareil de communication WO2022022394A1 (fr)

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