Non-activated configuration method, device and communication equipment

Abstract

The present application discloses a non-activated state configuration method, device and communication equipment, belonging to the field of communication technology. The non-activated state configuration method includes: when a relay terminal provides a relay service for a remote terminal, the relay terminal configures the relay link to a non-activated state; wherein the relay link is a relay link for providing a relay service for the remote terminal, and the relay link includes a side link between the relay terminal and the remote terminal and a Uu link between the relay terminal and a network side device. The technical solution provided by the present application can realize the configuration of the non-activated state of the side link of the relay network and improve the transmission performance of the relay network.

Description

Technical Field

[0001] The present application belongs to the field of communication technology, and specifically relates to a non-activated configuration method, device and communication equipment. Background Art

[0002] In some sidelink relay networks, relay terminals (relay User Equipment, relayUE) provide relay services for remote terminals (remote UE). However, the relay terminals and the remote terminals they serve are usually mobile, and the relay terminals will not provide relay services for a fixed group of remote terminals. When the relay terminals and remote terminals move, each data transmission in the relay network will have signaling overhead for re-establishing and configuring the relay link, resulting in poor transmission performance of the relay network. Summary of the invention

[0003] The embodiments of the present application provide a non-activated state configuration method, apparatus, and communication device, which can realize the configuration of the non-activated state of the relay network side link and improve the transmission performance of the relay network.

[0004] In a first aspect, a non-activated state configuration method is provided, which is applied to a relay terminal, and includes:

[0005] When the relay terminal provides a relay service for a remote terminal, the relay terminal configures the relay link to be inactive;

[0006] The relay link is a relay link used to provide relay services for the remote terminal, and the relay link includes a side link between the relay terminal and the remote terminal and a Uu link between the relay terminal and a network-side device.

[0007] In a second aspect, a non-activated configuration method is provided, which is applied to a remote terminal and includes:

[0008] The remote terminal enters a relay link inactive state based on the configuration of the relay terminal and / or the network side device;

[0009] The relay link is a relay link used to provide relay services for the remote terminal, and the relay link includes a side link between the relay terminal and the remote terminal and a Uu link between the relay terminal and the network side device.

[0010] In a third aspect, a non-activated configuration method is provided, which is applied to a network side device, including:

[0011] In the case where the relay terminal is capable of providing a relay service for the remote terminal, the network side device configures the relay terminal and / or the remote terminal to be in an inactive state;

[0012] The relay link is a relay link used to provide relay services for the remote terminal, and the relay link includes a side link between the relay terminal and the remote terminal and a Uu link between the relay terminal and the network side device.

[0013] In a fourth aspect, a non-activated configuration device is provided, comprising:

[0014] A first configuration module, configured to configure the relay link to an inactive state when the inactive state configuration device provides a relay service for a remote terminal;

[0015] The relay link is a relay link for providing relay service for the remote terminal, and the relay link includes a side link between the inactive configuration device and the remote terminal and a Uu link between the inactive configuration device and a network side device.

[0016] In a fifth aspect, a non-activated configuration device is provided, comprising:

[0017] An execution module, configured to enter a relay link inactive state based on the configuration of the relay terminal and / or the network side device;

[0018] The relay link is a relay link for providing relay service for the inactive configuration device, and the relay link includes a side link between the relay terminal and the inactive configuration device and a Uu link between the relay terminal and the network side device.

[0019] In a sixth aspect, a non-activated configuration device is provided, comprising:

[0020] A second configuration module, configured to configure the relay terminal and / or the remote terminal to an inactive state by the inactive state configuration device when the relay terminal is capable of providing a relay service for the remote terminal;

[0021] The relay link is a relay link for providing relay service for the remote terminal, and the relay link includes a side link between the relay terminal and the remote terminal and a Uu link between the relay terminal and the inactive configuration device.

[0022] In the seventh aspect, a communication device is provided, comprising a processor, a memory, and a program or instruction stored in the memory and executable on the processor, wherein the program or instruction, when executed by the processor, implements the steps of the inactive state configuration method described in the first aspect, or, when executed by the processor, implements the steps of the inactive state configuration method described in the second aspect, or, when executed by the processor, implements the steps of the inactive state configuration method described in the third aspect.

[0023] In an eighth aspect, a readable storage medium is provided, on which a program or instruction is stored, and when the program or instruction is executed by a processor, the steps of the inactive state configuration method described in the first aspect are implemented; or, when the program or instruction is executed by the processor, the steps of the inactive state configuration method described in the second aspect are implemented; or, when the program or instruction is executed by the processor, the steps of the inactive state configuration method described in the third aspect are implemented.

[0024] In the ninth aspect, a chip is provided, comprising a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run a network-side device program or instruction to implement the inactive state configuration method as described in the first aspect, or to implement the inactive state configuration method as described in the second aspect, or to implement the inactive state configuration method as described in the third aspect.

[0025] In an embodiment of the present application, when the relay terminal provides relay service to the remote terminal, the relay terminal configures the relay link to an inactive state. Then, when the relay link re-enters an active state from an inactive state, the stored wireless connection context can be reactivated and the previous NG connection can be reused to achieve data transmission. This avoids the signaling overhead caused by re-establishing the wireless connection and configuring the relay link each time the relay link performs data transmission, thereby reducing data latency and improving the transmission performance of the communication system. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a block diagram of a relay network communication system to which the embodiments of the present application can be applied;

[0027] Figure 2 is a flow chart of a non-activated configuration method provided in an embodiment of the present application;

[0028] Figure 2a This is one of the scenario diagrams of a non-activated configuration method provided in an embodiment of the present application;

[0029] Figure 2b This is one of the scenario diagrams of a non-activated configuration method provided in an embodiment of the present application;

[0030] Figure 2c This is one of the scenario diagrams of a non-activated configuration method provided in an embodiment of the present application;

[0031] Figure 2d This is one of the scenario diagrams of a non-activated configuration method provided in an embodiment of the present application;

[0032] Figure 2e This is one of the scenario diagrams of a non-activated configuration method provided in an embodiment of the present application;

[0033] Figure 3 is a structural diagram of a non-activated configuration device provided in an embodiment of the present application;

[0034] Figure 4 is a flow chart of another non-activated configuration method provided in an embodiment of the present application;

[0035] Figure 5 is a structural diagram of another non-activated configuration device provided in an embodiment of the present application;

[0036] Figure 6 is a flow chart of another non-activated configuration method provided in an embodiment of the present application;

[0037] Figure 7 is a structural diagram of another non-activated configuration device provided in an embodiment of the present application;

[0038] Figure 8 is a structural diagram of a communication device provided in an embodiment of the present application;

[0039] Fig. 9 is a structural diagram of a terminal provided in an embodiment of the present application;

[0040] Fig.10 It is a structural diagram of a network side device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0042] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first" and "second" are generally of the same type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally represents that the objects associated with each other are in an "or" relationship.

[0043] It is worth noting that the technology described in the embodiments of the present application is not limited to the Long Term Evolution (LTE) / LTE-Advanced (LTE-A) system, but can also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA) and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described technology can be used for the systems and radio technologies mentioned above as well as for other systems and radio technologies. However, the following description describes a New Radio (NR) system for illustrative purposes, and the NR terminology is used in most of the following descriptions, although these technologies can also be applied to applications other than NR system applications, such as the 6th generation (6 th Generation, 6G) communication system.

[0044] Figure 1A block diagram of a relay network communication system applicable to the embodiment of the present application is shown. The relay network communication system includes a remote terminal 11, a relay terminal 12 and a network side device 13, wherein the remote terminal 11 and the relay terminal 12 may also be referred to as terminal devices or user equipment (UE). In the relay network communication system, the terminal providing relay service is called a relay terminal (relay UE), and the terminal provided with relay service is called a remote terminal (remote UE). The link between the relay terminal 12 and the remote terminal 11 is a PC5 link, running the sidelink interface protocol, and the link between the relay terminal 12 and the network side device 13 is a Uu link, running the Uu link protocol.

[0045] Optionally, the remote terminal 11 and the relay terminal 12 may be terminal side devices such as a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a handheld computer, a netbook, an ultra-mobile personal computer (ultra-mobile personal computer, UMPC), a mobile Internet device (Mobile Internet Device, MID), a wearable device (Wearable Device) or a vehicle-mounted device (VUE), a pedestrian terminal (PUE), etc., and the wearable device includes: a bracelet, a headset, glasses, etc. It should be noted that the specific type of the terminal 11 is not limited in the embodiment of the present application. The network side device 12 can be a base station or a core network, wherein the base station can be referred to as a node B, an evolved node B, an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a B node, an evolved B node (eNB), a home B node, a home evolved B node, a WLAN access point, a WiFi node, a transmitting and receiving point (Transmitting Receiving Point, TRP) or some other suitable term in the field. As long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary. It should be noted that in the embodiment of the present application, only the base station in the NR system is taken as an example, but the specific type of the base station is not limited.

[0046] In order to better understand the technical solution provided by the present application, the technical terms involved in the technical solution provided by the embodiments of the present application are explained below:

[0047] Inactive state:

[0048] The terminal in the inactive state maintains the Connection Management Connected (CM-Connected) state, but its Radio Resource Control (RRC) link is in the inactive state, and its last serving base station (network-side device) retains the context information of the terminal and the link between the terminal and the core network. The terminal can move in the area configured by the New Generation Radio Access Network (NG-RAN) without notifying the NG-RAN. If a terminal is in the inactive state and its last serving base station receives downlink data sent to the terminal, then the base station initiates paging to the terminal in the cell corresponding to the access network notification area (RAN-based Notification Area, RNA). If a terminal is in the inactive state and it has an uplink data transmission requirement or receives a page from a base station, it can tell the base station its inactive wireless network temporary identifier during the random result process. The base station identifies the terminal through the inactive wireless network temporary identifier, activates the terminal's context, and performs data transmission.

[0049] The inactive configuration method, apparatus, and communication device provided in the embodiments of the present application are described in detail below with reference to the accompanying drawings through specific embodiments and their application scenarios.

[0050] Please refer to Figure 2 , Figure 2 1 is a flow chart of a non-activated configuration method provided in an embodiment of the present application. The non-activated configuration method provided in an embodiment of the present application is applied to a relay terminal. Figure 2 As shown, the non-activated state configuration method includes the following steps:

[0051] Step 201: When a relay terminal provides a relay service for a remote terminal, the relay terminal configures a relay link to be inactive.

[0052] The relay link is a relay link used to provide relay services for the remote terminal, and the relay link includes a sidelink between the relay terminal and the remote terminal and a Uu link between the relay terminal and a network-side device. It should be noted that a relay terminal can establish sidelinks with multiple remote terminals.

[0053] The relay link inactive state means that after the relay link is released, the remote terminal, relay terminal and network-side equipment all retain the wireless connection context related to the relay link. When the remote terminal has service needs, the remote terminal, relay terminal and network-side equipment reactivate the wireless connection context related to the relay link to provide relay services for the remote terminal.

[0054] In the embodiment of the present application, the relay terminal provides a relay service for a remote terminal, which may refer to the relay terminal providing a long-term relay service for the remote terminal, wherein the long-term relay service refers to a relay service with a service duration greater than a preset duration. For example, a user's mobile phone may provide a long-term relay service for wearable or portable electronic products such as smart watches and smart glasses; or, in a home network, a relay terminal may provide a long-term relay service for several fixed remote terminals in the home network, such as providing a long-term relay service for a smart refrigerator, a smart TV, a sweeping robot, etc.

[0055] It can be understood that if the relay terminal can provide long-term relay service for the remote terminal, the relay terminal configures the relay link to an inactive state, that is, configures the side link between the relay terminal and the remote terminal to an inactive state and / or configures the Uu link between the relay terminal and the network side device to an inactive state. In this way, when the relay link re-enters the active state from the inactive state, the stored wireless connection context can be reactivated and the previous NG connection can be reused to achieve data transmission, thus avoiding the signaling overhead caused by re-establishing the wireless connection and configuring the relay link every time the relay link performs data transmission, reducing data delay and improving the transmission performance of the communication system.

[0056] Optionally, the relay terminal configures the relay link to be in an inactive state, including at least one of the following:

[0057] The relay terminal configures the sidelink to an inactive state;

[0058] The relay terminal configures the Uu link to an inactive state.

[0059] It can be understood that the relay link includes a side link between the relay terminal and the remote terminal and a Uu link between the relay terminal and the network side device. The relay terminal configures the relay link to an inactive state, which may be to configure the side link and / or Uu link to an inactive state respectively.

[0060] The relay terminal configures the sidelink to be inactive, including any of the following:

[0061] The relay terminal receives a first request for sidelink inactive state configuration sent by a remote terminal, and the relay terminal configures the remote terminal to an inactive state based on the first request;

[0062] When the sidelink is released, the relay terminal carries first information in the sidelink release information sent to the remote terminal, where the first information is used to configure the remote terminal to be in an inactive state;

[0063] The relay terminal receives first permission information for configuring the sidelink inactive state sent by the network side device, and the relay terminal configures the remote terminal to be inactive state based on the first permission information;

[0064] The relay terminal sends a second request for configuring the sidelink inactive state to the network side device, and upon receiving second permission information sent by the network side device in response to the second request, the relay terminal configures the remote terminal to the inactive state.

[0065] That is, the relay terminal configures the sidelink to the inactive state including the above four implementations, which will be described in detail below.

[0066] In a first implementation manner, the remote terminal may use PC5-RRC signaling to send a first request for sidelink inactive state configuration to the relay terminal, and the relay terminal configures the remote terminal to an inactive state based on the received first request. Figure 2a , step 1. The remote terminal requests the relay terminal to configure the side link in an inactive state, step 2. The relay terminal releases the side link and configures the side link in an inactive state.

[0067] The first request includes the identity information of the remote terminal. Optionally, the first request may include the identity information of the remote terminal explicitly or implicitly, so that the relay terminal can determine which remote terminal needs to be configured in an inactive state based on the identity information, so as to ensure the accuracy of the inactive state configuration performed by the relay terminal.

[0068] Optionally, the identity identification information is carried by at least one of the following:

[0069] Sidelink Control Information (SCI);

[0070] Medium Access Control Protocol Data Unit (MAC PDU);

[0071] PC5 RRC signaling.

[0072] For example, the identity information may be the identity document (ID) information of the remote terminal carried by the SCI and MAC PDU, or the ID information carried in the PC5-RRC. Further, based on the identity information, the relay terminal can specifically configure the remote terminal sending the first request to an inactive state.

[0073] Optionally, after the relay terminal configures the remote terminal to be in an inactive state based on the first request, the method further includes:

[0074] The relay terminal sends indication information to the remote terminal, where the indication information is used to instruct the remote terminal to implement any one of the following when entering the activated state from the inactive state:

[0075] Continue to use the identification information;

[0076] not use said identifying information;

[0077] Configure a new identity.

[0078] That is to say, when the relay terminal configures the remote terminal to an inactive state based on the first request sent by the remote terminal, the relay terminal sends an indication message to the remote terminal, and the indication message is used to indicate whether the remote terminal can continue to use the original identity information in the side link when entering the active state from the inactive state, for example, instructing the remote terminal to continue using the identity information, or instructing the remote terminal not to use the identity information, or the indication message can also be instructing the remote terminal to configure a new side link inactive state identity information.

[0079] In a second implementation manner, the relay terminal may carry first information in the side link release information sent to the remote terminal when the side link is released, and the first information is used to configure the remote terminal to be in an inactive state. In other words, the relay terminal may directly configure the remote terminal to enter an inactive state without receiving a request from the remote terminal.

[0080] In a third implementation manner, the relay terminal receives first permission information for configuring the sidelink inactive state sent by the network side device, and the relay terminal releases the sidelink based on the first permission information and configures the remote terminal to be inactive. Figure 2bAs shown, step 1. the network side device permits the relay terminal to configure the side link in an inactive state, step 2. the remote terminal requests the relay terminal to configure the side link in an inactive state, and step 3. the relay terminal releases the side link and configures the side link in an inactive state. In other words, the relay terminal needs to obtain permission from the network side device for configuring the side link in an inactive state before configuring the remote terminal in an inactive state.

[0081] The first permission information is configured by any of the following:

[0082] Dedicated RRC signaling;

[0083] System messages;

[0084] Non Access Stratum (NAS) message.

[0085] For example, the first grant information may be configured through dedicated RRC signaling, or configured through system information, or configured through a NAS message.

[0086] Optionally, the relay terminal configures the remote terminal to be in an inactive state based on the first permission information, including:

[0087] When the relay terminal receives a third request for sidelink inactive state configuration sent by a remote terminal, the relay terminal configures the remote terminal to an inactive state in response to the third request based on the first permission information.

[0088] That is to say, the relay terminal first receives the first permission information for the sidelink inactive state configuration sent by the network side device. Thereafter, if the relay terminal receives a request for the sidelink inactive state configuration sent by the remote terminal, the relay terminal can configure the remote terminal to an inactive state based on the first permission information when configuring the sidelink between the relay terminal and the remote terminal.

[0089] Optionally, the third request sent by the remote terminal may include identity information of the remote terminal, and the identity information may be carried by at least one of SCI, MAC PDU, and PC5-RRC signaling; after configuring the remote terminal to be in an inactive state, the relay terminal may also send indication information to the remote terminal to indicate whether the remote terminal should continue to use the identity information when entering an active state from an inactive state, or to configure a new identity information.

[0090] In the fourth implementation, the relay terminal first sends a second request for sidelink inactive state configuration to the network side device, and the network side device can respond to the second request and send second permission information to the relay terminal to allow the remote terminal to be configured as inactive state, and then the relay terminal configures the remote terminal as inactive state based on the second permission information. Different from the third implementation, in this implementation, the relay terminal actively sends a sidelink inactive state configuration request to the network side device, and then the network side device sends permission information to the relay terminal based on the request.

[0091] Alternatively, before the relay terminal sends a second request for inactive configuration to the network side device, the method further includes:

[0092] The relay terminal receives a fourth request for sidelink inactive state configuration sent by a remote terminal.

[0093] That is, the relay terminal may request the network device whether to allow the remote terminal to enter the sidelink inactive state based on the sidelink inactive state configuration request sent by the remote terminal. If the relay terminal receives permission information (second permission information) sent by the network device, the relay terminal configures the remote terminal to the inactive state when releasing the sidelink between the relay terminal and the remote terminal. Figure 2c As shown, step 1. the remote terminal requests the relay terminal to configure the side link in an inactive state; step 2. the relay terminal requests the network side device to configure the side link inactive state for the remote terminal; step 3. the network side device agrees to configure the side link inactive state for the remote terminal; step 4. the relay terminal releases the side link and configures the side link inactive state of the remote terminal.

[0094] Among them, the sidelink inactive state configuration request sent by the remote terminal may include the identity identification information of the remote terminal, and the identity identification information may be carried by at least one of SCI, MAC PDU, and PC5-RRC signaling. The specific implementation method of the identity identification information may refer to the description in the above-mentioned implementation mode 1, which will not be repeated here.

[0095] In the embodiment of the present application, the relay terminal may further configure the Uu link to be inactive. Optionally, the relay terminal configures the Uu link to be inactive, including any one of the following:

[0096] The relay terminal determines a Uu link context related to the relay service, and based on the Uu link context, configures the Uu link to an inactive state;

[0097] The relay terminal receives a configuration for the Uu link to enter an inactive state from the network side device, determines a Uu link context related to the relay service, and configures the Uu link to an inactive state based on the Uu link context;

[0098] The relay terminal sends a fifth request for configuring the Uu link in an inactive state to the network side device, and configures the Uu link to an inactive state based on a response message of the network side device in response to the fifth request.

[0099] Optionally, the relay terminal may actively configure the Uu link to be in an inactive state. The relay terminal determines a Uu link context related to the relay service, and based on the Uu link context, configures the Uu link to be in an inactive state.

[0100] For example, the relay terminal may reuse the existing inactive state request and configuration process. When the network side device reserves the radio link context for the relay terminal that enters the inactive state, in addition to retaining the context related to the relay terminal's own radio connection, it also retains the context of the Uu link related to the relay service, such as backhaul bearer and bearer mapping, backhaul related service quality (QoS) parameters, pre-configured resources and other configuration information. In this way, the relay terminal can configure the Uu link to the inactive state by determining the Uu link related to the relay service.

[0101] Alternatively, the Uu link may be configured to be inactive through a network side device. For example, the network side device sends configuration information for the Uu link to enter an inactive state to the relay terminal, and the relay terminal determines the Uu link context related to the relay service through the configuration for the Uu link to enter an inactive state received from the network side device, and then configures the Uu link to be inactive based on the Uu link context.

[0102] Alternatively, the relay terminal may request the network side device to configure the Uu link in an inactive state. For example, the relay terminal sends a fifth request for configuring the Uu link in an inactive state to the network side device, and the network side device sends a response message to the relay terminal based on the fifth request. The response message may be an instruction to the relay terminal to configure the Uu link in an inactive state, and then the relay terminal configures the Uu link to an inactive state based on the response message.

[0103] Wherein, when the relay terminal sends a fifth request for configuring the Uu link in an inactive state to the network side device, the method further includes:

[0104] The relay terminal sends a sixth request to the network side device, where the sixth request is used to explicitly or implicitly request the network side device to retain the context related to the wireless connection of the relay terminal and to retain the Uu link context related to the relay service.

[0105] It can be understood that when the relay terminal requests the network side device to enter the inactive state of the Uu link, it can also explicitly or implicitly request the network side device to retain the context related to the wireless connection of the relay terminal itself and the context of the Uu link related to the relay service, such as the backhaul bearer and bearer mapping, backhaul related QoS parameters, pre-configured resources and other configuration information. In this way, the relay terminal can configure the Uu link to the inactive state based on the context of the Uu link related to the relay service retained by the network side device.

[0106] Optionally, in the case where the sixth request is an explicit request, the sixth request includes indication information, where the indication information is used to request to enter the Uu link inactive state;

[0107] In the case that the sixth request is an implicit request, the sixth request includes the capacity of the relay terminal and / or the frequency of the relay terminal serving the remote terminal.

[0108] For example, in an explicit request scheme, the relay terminal may add an indication field in the indication information to indicate that the relay terminal requests to enter the Uu link inactive state, so that the network side device responds to the relay terminal based on the explicit request to decide whether to configure the Uu link to the inactive state. Alternatively, in an implicit request scheme, the relay terminal may report the capacity of the relay terminal and / or the frequency or interval of the relay terminal serving the remote terminal to the network side device, so that the network side device decides whether to configure the Uu link to the inactive state based on the capacity of the relay terminal and / or the frequency of the relay terminal serving the remote terminal.

[0109] In an embodiment of the present application, when the relay terminal provides relay services for the remote terminal, the relay terminal can configure the side link and / or Uu link to an inactive state based on the above-mentioned different methods, thereby making the relay terminal more flexible in configuring the inactive state of the side link and / or Uu link.

[0110] Optionally, after the relay terminal configures the relay link to an inactive state, the method further includes:

[0111] The relay terminal receives a seventh request for relay link activation state configuration sent by the remote terminal, and configures the remote terminal to be in the activation state.

[0112] It is understandable that after the remote terminal is configured as an inactive state, it can still be configured from the inactive state to the active state based on the data transmission requirements. It should be noted that when the remote terminal is switched from the inactive state to the active state, the sidelink connection is activated first, and then the Uu link connection is activated.

[0113] For the relay terminal, the relay terminal first receives the request for relay link activation state configuration sent by the remote terminal, and then configures the remote terminal to the activation state in response to the request. The seventh request for relay link activation state configuration sent by the remote terminal may include an identifier of the remote terminal, and then the relay terminal can activate the side link context related to the remote terminal based on the identifier of the remote terminal, activate the side link, and configure the remote terminal to the activation state.

[0114] It should be noted that, in the case where the relay service is applied to the layer 2 relay structure, the remote terminal also needs to send a request to activate the RRC connection to the network side device, and the request may carry the identifier of the remote terminal. After receiving the request to activate the RRC connection, the network side device activates the RRC configuration related to the remote terminal, thereby activating the Uu link or backhaul link of the remote terminal, and sends an RRC connection activation confirmation message to the remote terminal. If the relay service is applied to the layer 3 relay structure, the remote terminal does not need to send a request to activate the RRC connection to the network side device, and the network side device does not need to perform the relevant procedures for RRC connection activation.

[0115] like Figure 2d As shown, step 1. the remote terminal sends a sidelink configuration activation request to the relay terminal, and the request carries the sidelink inactive UE identifier; step 2. the relay terminal configures the remote terminal to the activated state in response to the request, and sends a sidelink configuration activation confirmation message to the remote terminal; in the case where the relay service is applied to the layer 2 relay structure, it also includes step 3. the remote terminal sends an RRC connection activation message (or a request to activate the RRC connection) to the network side device, and the message carries the SL-I-RNTI of the remote terminal; step 4. the network side device then activates the RRC configuration related to the remote terminal, and sends an RRC connection activation confirmation message to the remote terminal. If the relay service is applied to the layer 3 structure, there is no step 3 and step 4 above.

[0116] Optionally, the relay terminal receives a seventh request for relay link activation state configuration sent by the remote terminal, and configures the remote terminal to be in the activation state, including:

[0117] The relay terminal receives a seventh request for sidelink activation state configuration sent by the remote terminal, and the relay terminal sends an eighth request for Uu link activation state configuration to the network side device in response to the seventh request;

[0118] The relay terminal receives a response message sent by the network-side device in response to the eighth request, and configures the remote terminal to an activated state based on the response message.

[0119] That is to say, after the relay terminal receives the seventh request for the side link activation state configuration sent by the remote terminal, the relay terminal then sends the eighth request for the Uu link activation state configuration to the network side device. After receiving the eighth request, the network side device activates the Uu link and backhaul related configurations of the relay terminal, and sends a Uu link activation confirmation message to the relay terminal. After receiving the Uu link activation confirmation message, the relay terminal sends a side link activation confirmation message to the remote terminal to configure the remote terminal to be in an activated state.

[0120] It can be understood that, unlike the above-mentioned implementation, in the above-mentioned implementation, the relay terminal can autonomously configure the remote terminal to the activated state based on the request of the remote terminal; while in this implementation, the configuration of the activation state of the remote terminal is realized based on the configuration of the network side device.

[0121] It should be noted that, in the case where the relay service is applied to the layer 2 relay structure, the remote terminal also needs to send a request to activate the RRC connection to the network side device, and the request may carry the identifier of the remote terminal. After receiving the request to activate the RRC connection, the network side device activates the RRC configuration related to the remote terminal, thereby activating the Uu link of the remote terminal, and sends an RRC connection activation confirmation message to the remote terminal. Alternatively, for the layer 2 relay structure, the remote terminal may not need to send a request to activate the RRC connection to the network side device. The network side device can directly determine the relay terminal that provides relay service for the remote terminal through the inactive radio network temporary identifier (Inactive Radio Network Temporary Identifier, I-RNTI) of the remote terminal, thereby activating the Uu link. If the relay service is applied to the layer 3 relay structure, the remote terminal does not need to send a request to activate the RRC connection to the network side device, and the network side device does not need to perform the relevant process of RRC connection activation.

[0122] like Figure 2eAs shown, step 1. the remote terminal sends a sidelink configuration activation request to the relay terminal, and the request carries the sidelink inactive UE identifier; step 2. the relay terminal then sends an RRC connection activation message (or a request to activate the RRC connection) to the network side device, and the message carries the SL-I-RNTI of the remote terminal; step 3. the network side device activates the RRC configuration related to the remote terminal, thereby activating the Uu link of the remote terminal, and sends an RRC connection activation confirmation message to the relay terminal; step 4. the relay terminal then sends a sidelink configuration activation confirmation message to the remote terminal; in the case where the relay service is applied to the layer 2 relay structure, it also includes step 5. the remote terminal sends an RRC connection activation message (or a request to activate the RRC connection) to the network side device, and the message carries the SL-I-RNTI of the remote terminal; step 6. the network side device then activates the RRC configuration related to the remote terminal, and sends an RRC connection activation confirmation message to the remote terminal. If the relay service is applied to the layer 3 structure, there is no step 5 and step 6.

[0123] In addition, when the relay service is applied to a layer 3 relay structure, when the relay terminal sends the eighth request to the network side device, the method further includes:

[0124] The relay terminal determines a temporary identifier based on the context of the remote terminal, where the temporary identifier is used to determine the context of the Uu link to be activated.

[0125] Among them, the temporary identifier can be a sidelink inactive wireless network temporary identifier (Sidelink I-RNTI, SL-I-RNTI). When the relay terminal initiates a request to configure from an inactive state to an active state, it can determine the SL-I-RNTI according to the context of the remote terminal, and then determine the context of the Uu link to be activated according to the SL-I-RNTI, and then activate the context of the Uu link to transmit data.

[0126] In an embodiment of the present application, when the relay terminal provides relay service to the remote terminal, the relay terminal configures the relay link to an inactive state. Then, when the relay link re-enters an active state from an inactive state, the stored wireless connection context can be reactivated and the previous NG connection can be reused to achieve data transmission. This avoids the signaling overhead caused by re-establishing the wireless connection and configuring the relay link each time the relay link performs data transmission, thereby reducing data latency and improving the transmission performance of the communication system.

[0127] It should be noted that the inactive configuration method provided in the embodiment of the present application can be executed by an inactive configuration device, or a control module in the inactive configuration device for executing the inactive configuration method. In the embodiment of the present application, the inactive configuration device executing the inactive configuration method is taken as an example to illustrate the inactive configuration device provided in the embodiment of the present application.

[0128] Please refer to Figure 3 , Figure 3 is a structural diagram of a non-activated configuration device provided in an embodiment of the present application, such as Figure 3 As shown, the inactive configuration device 300 includes:

[0129] A first configuration module 301, configured to configure the relay link to an inactive state when the inactive state configuration device provides a relay service for a remote terminal;

[0130] The relay link is a relay link for providing relay service for the remote terminal, and the relay link includes a side link between the inactive configuration device and the remote terminal and a Uu link between the inactive configuration device and a network side device.

[0131] Optionally, the first configuration module 301 is used to perform at least one of the following:

[0132] Configure the sidelink to an inactive state;

[0133] Configure the Uu link to be inactive.

[0134] Optionally, the first configuration module 301 is further configured to perform at least one of the following:

[0135] receiving a first request for sidelink inactive state configuration sent by a remote terminal, and configuring the remote terminal to an inactive state based on the first request;

[0136] In the case of sidelink release, the sidelink release information sent to the remote terminal carries first information, where the first information is used to configure the remote terminal to be in an inactive state;

[0137] receiving first permission information for configuring a sidelink inactive state sent by a network-side device, and configuring the remote terminal to be inactive state based on the first permission information;

[0138] A second request for configuring the sidelink inactive state is sent to the network side device, and upon receiving second permission information sent by the network side device in response to the second request, the remote terminal is configured to be inactive.

[0139] Optionally, the first request includes identity information of the remote terminal.

[0140] Optionally, the identity identification information is carried by at least one of the following:

[0141] Secondary link control information SCI;

[0142] Media Access Control Protocol Data Unit MAC PDU;

[0143] PC5RRC signaling.

[0144] Optionally, the inactive configuration device 300 further includes:

[0145] The first sending module is configured to send indication information to the remote terminal, wherein the indication information is used to instruct the remote terminal to implement any one of the following when entering the activated state from the inactive state:

[0146] Continue to use the identification information;

[0147] not use said identifying information;

[0148] Configure a new identity.

[0149] Optionally, the first permission information is configured by any of the following:

[0150] Dedicated RRC signaling;

[0151] System messages;

[0152] Non-access stratum NAS message.

[0153] Optionally, the first configuration module 301 is further used to:

[0154] In the case of receiving a third request for sidelink inactive state configuration sent by a remote terminal, in response to the third request, the remote terminal is configured to be inactive state based on the first permission information.

[0155] Optionally, the inactive configuration device 300 further includes:

[0156] The first receiving module is used to receive a fourth request for sidelink inactive state configuration sent by a remote terminal.

[0157] Optionally, the first configuration module 301 is further configured to perform any one of the following:

[0158] Determine a Uu link context associated with a relay service, and based on the Uu link context, configure the Uu link to an inactive state;

[0159] receiving a configuration for a Uu link to enter an inactive state from a network side device, determining a Uu link context related to a relay service, and configuring the Uu link to be inactive based on the Uu link context;

[0160] A fifth request for configuring the Uu link in an inactive state is sent to the network side device, and based on a response message of the network side device in response to the fifth request, the Uu link is configured in an inactive state.

[0161] Optionally, the inactive configuration device 300 further includes:

[0162] The second sending module is used to send a sixth request to the network side device, where the sixth request is used to explicitly or implicitly request the network side device to retain the context related to the wireless connection of the relay terminal and retain the Uu link context related to the relay service.

[0163] Optionally, when the sixth request is an explicit request, the sixth request includes indication information, where the indication information is used to request to enter the Uu link inactive state;

[0164] In the case that the sixth request is an implicit request, the sixth request includes the capacity of the inactive configuration device and / or the frequency of the inactive configuration device serving the remote terminal.

[0165] Optionally, the inactive configuration device 300 further includes:

[0166] The second receiving module is used to receive the seventh request for relay link activation state configuration sent by the remote terminal, and configure the remote terminal to the activation state.

[0167] Optionally, the second receiving module is further used for:

[0168] receiving a seventh request for sidelink activation state configuration sent by a remote terminal, and sending an eighth request for Uu link activation state configuration to a network side device in response to the seventh request;

[0169] Receive a response message sent by the network side device in response to the eighth request, and configure the remote terminal to an activated state based on the response message.

[0170] Optionally, when the relay service is applied to a layer 3 relay structure, the inactive configuration device 300 further includes:

[0171] The determination module is used to determine a temporary identifier based on the context of the remote terminal, and the temporary identifier is used to determine the context of the Uu link to be activated.

[0172] In an embodiment of the present application, when the inactive state configuration device 300 provides relay services for the remote terminal, the inactive state configuration device 300 configures the relay link to an inactive state. Then, when the relay link re-enters the active state from the inactive state, the stored wireless connection context can be reactivated and the previous NG connection can be reused to achieve data transmission. This avoids the signaling overhead caused by re-establishing the wireless connection and configuring the relay link each time the relay link performs data transmission, thereby reducing data latency and improving the transmission performance of the communication system.

[0173] The inactive configuration device 300 in the embodiment of the present application can be a device, or a component, integrated circuit, or chip in a terminal. The device can be a mobile terminal or a non-mobile terminal. Exemplarily, the mobile terminal can include but is not limited to the types of relay terminals 12 listed above, and the non-mobile terminal can be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a television (television, TV), a teller machine or a self-service machine, etc., which is not specifically limited in the embodiment of the present application.

[0174] The inactive configuration device 300 in the embodiment of the present application may be a device having an operating system. The operating system may be an Android operating system, an iOS operating system, or other possible operating systems, which are not specifically limited in the embodiment of the present application.

[0175] The inactive configuration device 300 provided in the embodiment of the present application can achieve Figure 2 The various processes implemented in the method embodiment achieve the same technical effect and will not be described again here to avoid repetition.

[0176] Please refer to Figure 4 , Figure 4 is a flow chart of another inactive configuration method provided in an embodiment of the present application. The inactive configuration method provided in an embodiment of the present application is applied to a remote terminal. Figure 4 As shown, the non-activated state configuration method includes the following steps:

[0177] Step 401: The remote terminal enters a relay link inactive state based on the configuration of the relay terminal and / or the network side device.

[0178] The relay link is a relay link used to provide relay services for the remote terminal, and the relay link includes a side link between the relay terminal and the remote terminal and a Uu link between the relay terminal and the network side device.

[0179] In the embodiment of the present application, when the relay terminal is capable of providing a long-term relay service to the remote terminal, the remote terminal enters the relay link inactive state based on the configuration of the relay terminal and / or the network side device. The long-term relay service refers to a relay service with a service duration greater than a preset duration. The relevant interpretation can refer to the above Figure 2 The description in the embodiments will not be repeated here.

[0180] It can be understood that if the relay terminal can provide long-term relay services for the remote terminal, the relay terminal can configure the remote terminal to be inactive, or the network side device can configure the remote terminal to be inactive. In this way, when the remote terminal re-enters the active state from the inactive state, the relay link can realize data transmission by reactivating the stored wireless connection context and reusing the previous NG connection, thus avoiding the signaling overhead caused by the relay link re-establishing the wireless connection and configuring the relay link every time data is transmitted, reducing data delay and improving the transmission performance of the communication system.

[0181] Optionally, step 401 includes any one of the following:

[0182] The remote terminal sends a first request for sidelink inactive state configuration to the relay terminal, and enters the sidelink inactive state based on the configuration performed by the relay terminal in response to the first request;

[0183] The remote terminal receives the side link release information sent by the relay terminal, where the side link release information carries first information, and the first information is used to instruct the remote terminal to enter a side link inactive state;

[0184] The remote terminal receives the configuration information from the network side device forwarded by the relay terminal, and enters the relay link inactive state according to the configuration information.

[0185] It can be understood that the relay link includes a side link between the relay terminal and the remote terminal and a Uu link between the relay terminal and the network side device, and the relay link inactive state is at least one item between the side link inactive state and the Uu link inactive state. In the embodiment of the present application, the remote terminal entering the relay link inactive state may refer to the remote terminal entering the side link inactive state, which specifically includes the following implementation methods.

[0186] In the first implementation method, the remote terminal can send a first request for sidelink inactive state configuration to the relay terminal connected to it through PC5-RRC signaling to request to enter the sidelink inactive state. The relay terminal configures the remote terminal to the inactive state based on the received first request, and the remote terminal enters the sidelink inactive state.

[0187] The first request includes the identity information of the remote terminal. Optionally, the first request may include the identity information of the remote terminal explicitly or implicitly, so that the relay terminal can determine which remote terminal needs to be configured in an inactive state based on the identity information, so as to ensure the accuracy of the inactive state configuration performed by the relay terminal.

[0188] Optionally, the identity information is carried by any of the following:

[0189] SCI, MAC PDU, PC5 RRC signaling.

[0190] For example, the identity information may be the identity document (ID) information of the remote terminal carried by the SCI and MAC PDU, or the ID information carried in the PC5-RRC. Furthermore, based on the identity information, the relay terminal can specifically configure the remote terminal that sends the first request to an inactive state, thereby ensuring the accuracy of the inactive state configuration.

[0191] It should be noted that, after the remote terminal enters the relay link inactive state based on the configuration of the relay terminal and / or the network side device, the method further includes:

[0192] The remote terminal receives indication information sent by the relay terminal, where the indication information is used to instruct the remote terminal to implement any one of the following when entering the activated state from the inactive state:

[0193] Continue to use the identification information;

[0194] not use said identifying information;

[0195] Configure a new identity.

[0196] That is to say, after the remote terminal enters the inactive state of the relay link, the relay terminal can send an indication message to the remote terminal to indicate whether the remote terminal can continue to use the original identity identification information in the side link when entering the active state from the inactive state, for example, instructing the remote terminal to continue using the identity identification information, or instructing the remote terminal not to use the identity identification information, or the indication information can also be instructing the remote terminal to configure a new side link inactive state identity identification information.

[0197] In the second implementation, the remote terminal receives the sidelink release information sent by the relay terminal, and the sidelink release information carries information for instructing the remote terminal to enter the sidelink inactive state, thereby enabling the remote terminal to enter the sidelink inactive state. In other words, the remote terminal can be directly configured by the relay terminal to enter the sidelink inactive state, which is different from the first implementation in which the remote terminal needs to first send a sidelink inactive state configuration request to the relay terminal before the sidelink inactive state configuration can be implemented.

[0198] In the third implementation, the remote terminal can receive the configuration information from the network side device forwarded by the relay terminal, and enter the sidelink inactive state based on the configuration information. In this implementation, the remote terminal enters the sidelink inactive state based on the configuration of the network side device.

[0199] In an embodiment of the present application, the remote terminal can actively request the relay terminal to enter the side link inactive state, or can also enter the side link inactive state based on the active configuration of the relay terminal or the network side device without sending a configuration request, so that the way the remote terminal enters the side link inactive state is more flexible and can better meet the needs of different communication scenarios.

[0200] Optionally, step 401 may further include any one of the following:

[0201] In the case where the relay service is applied to a layer 2 relay structure, the remote terminal enters a relay link inactive state based on the configuration of a network side device;

[0202] In the case where the relay service is applied to a layer 2 relay structure, the remote terminal sends a third request to the network side device to enter the relay link inactive state, and enters the relay link inactive state based on the response information of the network side device;

[0203] In the case where the relay service is applied to a layer 3 relay structure, the remote terminal sends a second request for relay link inactive state configuration to the relay terminal, and the remote terminal enters the relay link inactive state based on the configuration performed by the relay terminal in response to the second request.

[0204] It can be understood that for the layer 2 relay structure, the remote terminal has a PC5 RRC connection with the relay terminal for controlling the sidelink connection, and also has an RRC connection with the network side device for controlling the connection and service provision with the network side device. For the layer 3 relay structure, the remote terminal has a PC5RRC connection with the relay terminal, but no RRC connection with the network side device. Therefore, for the layer 2 relay structure and the layer 3 relay structure, there are differences in the way the remote terminal enters the relay link inactive state.

[0205] In the case where the relay service is applied to the layer 2 relay structure, since there is an RRC connection between the remote terminal and the network side device, the remote terminal can enter the relay link inactive state directly based on the configuration of the network side device. For example, after receiving the configuration information for entering the inactive state sent by the network side device, the remote terminal enters the side link inactive state based on the configuration information, so that the remote terminal is directly configured to enter the inactive state through the network side device without going through the relay terminal, which further saves the signaling consumption.

[0206] Alternatively, in the case where the relay service is applied to the layer 2 relay structure, the remote terminal may also first directly send a request to the network side device to enter the relay link inactive state, and the network side device may send a response message to the remote terminal to configure the remote terminal to enter the side link inactive state based on the request, and then the remote terminal enters the side link inactive state based on the response message. For example, after receiving a request from the remote terminal to enter the relay link inactive state after releasing the relay link, the network side device may directly configure the remote terminal to enter the relay link inactive state when configuring the terminal to release the relay link to enter the inactive state, and at the same time configure the relay terminal to retain the side link context related to the remote terminal.

[0207] Optionally, the network side device may be configured with a remote terminal identification code in the Uu link or side link inactive state, for identifying the remote terminal in which the Uu link or side link is inactive state.

[0208] In the case where the relay service is applied to the layer 3 relay structure, since there is no RRC connection between the remote terminal and the network side device, the remote terminal first sends a second request for the relay link inactive state configuration to the relay terminal, and the relay terminal configures the side link inactive state configuration of the remote terminal, and then the remote terminal can enter the side link inactive state based on the configuration of the relay terminal.

[0209] It should be noted that the relay link includes the side link between the remote terminal and the relay terminal and the Uu link between the relay terminal and the network side device, wherein the configuration related to the Uu link is the mapping relationship between the side link bearer and the Uu link bearer, as well as the wireless resource configuration related to the Uu link, etc. For the layer 2 relay structure, the non-activated state configuration of the relay link can be directly configured by the network side device; for the layer 3 relay structure, the relay terminal can provide auxiliary information to the network side device, including the relay link bearer related to the remote terminal and the required resources, such as uplink and downlink rates, etc.

[0210] Wherein, in the case where the relay service is applied to a layer 2 relay structure, the method further comprises:

[0211] The remote terminal receives a temporary identity identification code in an inactive state sent by the network side device.

[0212] For example, for a layer 2 relay structure, the network side device may allocate a relay link SL-I-RNTI for a remote terminal that has entered an inactive state, and send the SL-I-RNTI to the remote terminal to identify the remote terminal that has entered an inactive state.

[0213] For the layer 3 relay structure, when the network side device configures the relay link to enter the inactive state, it can allocate one or more SL-I-RNTIs to the relay terminal, corresponding to one or more context configurations, or one SL-I-RNTI corresponds to one context configuration, and different context configurations correspond to different Uu link bearers and wireless resource configurations.

[0214] In an embodiment of the present application, for different relay structures, the remote terminal can be configured to enter the inactive state of the relay link based on different configuration methods according to the different relay structures, thereby ensuring the implementation of the inactive state configuration of the remote terminal relay link, thereby saving signaling and reducing data transmission delay.

[0215] Optionally, after step 401, the method may further include:

[0216] The remote terminal sends a fourth request for sidelink active state configuration to the relay terminal, and enters the sidelink active state based on the configuration of the relay terminal.

[0217] It is understandable that after entering the relay link inactive state, the remote terminal can still be configured from the inactive state to the active state based on the data transmission requirements. It should be noted that when the remote terminal is switched from the inactive state to the active state, the side link connection is activated first, and then the Uu link connection is activated.

[0218] The remote terminal needs to activate the sidelink connection first. The remote terminal first sends a fourth request for configuring the sidelink activation state to the relay terminal. After receiving the fourth request, the relay terminal responds to the fourth request and configures the remote terminal to enter the sidelink activation state. In this way, the service requirements of the remote terminal can be met, and normal data transmission between the remote terminal and the relay terminal can be achieved.

[0219] Among them, the fourth request for relay link activation state configuration sent by the remote terminal may include an identifier of the remote terminal, and then the relay terminal can activate the side link context related to the remote terminal based on the identifier of the remote terminal, activate the side link, and configure the remote terminal to an activated state.

[0220] It should be noted that, when the relay service is applied to a layer 2 relay structure, after the remote terminal enters a sidelink activation state, the method further includes:

[0221] The remote terminal sends a fifth request for activating the RRC connection to the network side device, and receives an RRC connection activation confirmation message sent by the network side device.

[0222] It can be understood that for the layer 2 relay structure, the remote terminal has an RRC connection with the network side device. After entering the side link activation state, the remote terminal can also directly send a fifth request to activate the RRC connection to the network side device. The fifth request may carry the identifier of the remote terminal. After receiving the fifth request to activate the RRC connection, the network side device activates the RRC configuration related to the remote terminal, thereby activating the Uu link of the remote terminal, and sends an RRC connection activation confirmation message to the remote terminal.

[0223] If the relay service is applied to the layer 3 relay structure, since there is no RRC connection between the remote terminal and the network side device, the remote terminal does not need to send a request to activate the RRC connection to the network side device, and the network side device does not need to perform the relevant process of RRC connection activation.

[0224] It should be noted that after the relay terminal receives the fourth request for the side link activation state configuration sent by the remote terminal, the relay terminal can also send a request for the Uu link activation state configuration to the network side device, and then the network side device activates the Uu link and backhaul related configurations of the relay terminal, and sends a Uu link activation confirmation message to the relay terminal. After receiving the Uu link activation confirmation message, the relay terminal sends a side link activation confirmation message to the remote terminal to configure the remote terminal to an activated state.

[0225] In an embodiment of the present application, when a relay terminal provides relay services for a remote terminal, the remote terminal can enter an inactive state of the relay link based on the configuration of the relay terminal and / or the network-side device. Then, when the remote terminal re-enters an active state from the inactive state, the relay link can reactivate the stored wireless connection context and reuse the previous NG connection to achieve data transmission, thereby avoiding the signaling overhead caused by re-establishing the wireless connection and configuring the relay link each time the relay link performs data transmission, reducing data latency, and improving the transmission performance of the communication system.

[0226] It should be noted that the inactive configuration method provided in the embodiment of the present application can be executed by an inactive configuration device, or a control module in the inactive configuration device for executing the inactive configuration method. In the embodiment of the present application, the inactive configuration device executing the inactive configuration method is taken as an example to illustrate the inactive configuration device provided in the embodiment of the present application.

[0227] Please refer to Figure 5 , Figure 5 is a structural diagram of another non-activated configuration device provided in an embodiment of the present application, such as Figure 5 As shown, the inactive configuration device 500 includes:

[0228] An execution module 501 is used to enter a relay link inactive state based on the configuration of the relay terminal and / or the network side device;

[0229] The relay link is a relay link for providing relay service for the inactive configuration device, and the relay link includes a side link between the relay terminal and the inactive configuration device and a Uu link between the relay terminal and the network side device.

[0230] Optionally, the execution module 501 is further configured to execute any one of the following:

[0231] sending a first request for sidelink inactive state configuration to the relay terminal, and entering the sidelink inactive state based on the configuration performed by the relay terminal in response to the first request;

[0232] receiving side link release information sent by the relay terminal, wherein the side link release information carries first information, and the first information is used to instruct the inactive state configuration device to enter the side link inactive state;

[0233] Receive configuration information from a network-side device forwarded by the relay terminal, and enter a sidelink inactive state according to the configuration information.

[0234] Optionally, the first request includes identity information of the remote terminal.

[0235] Optionally, the identity information is carried by any of the following:

[0236] Secondary link control information SCI;

[0237] Media Access Control Protocol Data Unit MAC PDU;

[0238] PC5RRC signaling.

[0239] Optionally, the inactive configuration device 500 further includes:

[0240] The first receiving module is configured to receive indication information sent by the relay terminal, wherein the indication information is used to instruct the inactive state configuration device to implement any one of the following when entering the active state from the inactive state:

[0241] Continue to use the identification information;

[0242] not use said identifying information;

[0243] Configure a new identity.

[0244] Optionally, the execution module 501 is further used for:

[0245] In the case where the relay service is applied to a layer 2 relay structure, based on the configuration of the network side device, entering a relay link inactive state;

[0246] In the case where the relay service is applied to a layer 2 relay structure, sending a third request to the network side device to enter the relay link inactive state, and entering the relay link inactive state based on the response information of the network side device;

[0247] In case the relay service is applied to a layer 3 relay structure, a second request for relay link inactive state configuration is sent to the relay terminal, and based on the configuration performed by the relay terminal in response to the second request, the relay link inactive state is entered.

[0248] Optionally, in the case where the relay service is applied to a layer 2 relay structure, the inactive configuration device 500 further includes:

[0249] The second receiving module is used to receive a temporary identity identification code in the sidelink inactive state sent by the network side device.

[0250] Optionally, the inactive configuration device 500 further includes:

[0251] The first sending module is configured to send a fourth request for sidelink activation state configuration to the relay terminal, and enter a sidelink activation state based on the configuration of the relay terminal.

[0252] Optionally, the inactive configuration device 500 further includes:

[0253] The second sending module is configured to send a fifth request for activating the RRC connection to the network side device, and receive an RRC connection activation confirmation message sent by the network side device.

[0254] In the embodiment of the present application, when the relay terminal provides relay services for the inactive state configuration device 500, the inactive state configuration device 500 can enter the inactive state of the relay link based on the configuration of the relay terminal and / or the network side device. Then, when the inactive state configuration device 500 re-enters the active state from the inactive state, the relay link can realize data transmission by reactivating the stored wireless connection context and reusing the previous NG connection, thereby avoiding the signaling overhead caused by re-establishing the wireless connection and configuring the relay link each time the relay link performs data transmission, reducing data delay, and improving the transmission performance of the communication system.

[0255] The inactive configuration device 500 in the embodiment of the present application can be a device, or a component, integrated circuit, or chip in a terminal. The device can be a mobile terminal or a non-mobile terminal. Exemplarily, the mobile terminal can include but is not limited to the types of remote terminals 11 listed above, and the non-mobile terminal can be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a television (television, TV), a teller machine or a self-service machine, etc., which is not specifically limited in the embodiment of the present application.

[0256] The inactive configuration device 500 in the embodiment of the present application may be a device having an operating system. The operating system may be an Android operating system, an iOS operating system, or other possible operating systems, which are not specifically limited in the embodiment of the present application.

[0257] The inactive configuration device 500 provided in the embodiment of the present application can realize Figure 4 The various processes implemented in the method embodiment achieve the same technical effect and will not be described again here to avoid repetition.

[0258] Please refer to Figure 6 , Figure 61 is a flow chart of another inactive configuration method provided in an embodiment of the present application. The inactive configuration method provided in an embodiment of the present application is applied to a network side device. Figure 6 As shown, the non-activated state configuration method includes the following steps:

[0259] Step 601: When a relay terminal is capable of providing a relay service for a remote terminal, a network-side device configures the relay terminal and / or the remote terminal to be in an inactive state.

[0260] The relay link is a relay link used to provide relay services for the remote terminal, and the relay link includes a side link between the relay terminal and the remote terminal and a Uu link between the relay terminal and the network side device.

[0261] In the embodiment of the present application, when the relay terminal is capable of providing a long-term relay service to the remote terminal, the remote terminal enters the relay link inactive state based on the configuration of the relay terminal and / or the network side device. The long-term relay service refers to a relay service with a service duration greater than a preset duration. The relevant interpretation can refer to the above Figure 2 The description in the embodiments will not be repeated here.

[0262] It is understandable that the network side device can configure the relay terminal and / or the remote terminal to be inactive. For example, the network side device can configure the relay terminal to be inactive, and the relay terminal then configures the remote terminal connected to it to be inactive; or, for a layer 2 relay structure, since there is an RRC connection between the remote terminal and the network side device, the network side device can also directly configure the remote terminal to be inactive without going through the relay terminal.

[0263] In an embodiment of the present application, when a relay terminal provides relay services for a remote terminal, a network side device can configure the relay terminal and / or the remote terminal to an inactive state. Then, when the relay terminal and / or the remote terminal re-enters an active state from an inactive state, the relay link can realize data transmission by reactivating the stored wireless connection context and reusing the previous NG connection. This avoids the signaling overhead caused by re-establishing the wireless connection and configuring the relay link each time the relay link performs data transmission, thereby reducing data latency and improving the transmission performance of the communication system.

[0264] Optionally, the network side device configures the relay terminal and / or the remote terminal to be in an inactive state, including any of the following:

[0265] The network side device sends first permission information for sidelink inactive state configuration to the relay terminal, where the first permission information is used to permit the relay terminal to configure the remote terminal to be inactive state;

[0266] The network side device receives a first request for configuring a Uu link inactive state sent by a relay terminal, and configures the relay terminal to be inactive state.

[0267] In a first implementation, the network side device may actively send first permission information for configuring the sidelink inactive state to the relay terminal, and the first permission information is used to allow the relay terminal to configure the remote terminal to be inactive. It can be understood that after receiving the first permission information, the relay terminal releases the sidelink and configures the remote terminal to be inactive.

[0268] Optionally, before the network side device sends first permission information of the sidelink inactive state configuration to the relay terminal, the method further includes:

[0269] The network side device receives a first request for sidelink inactive state configuration sent by the relay terminal.

[0270] That is, the relay terminal first sends a first request for sidelink inactive state configuration to the network side device, and the network side device sends first permission information for sidelink inactive state configuration to the relay terminal based on the first request. Further, the relay terminal may configure the remote terminal to be inactive state based on the first permission information when receiving a request for sidelink inactive state configuration sent by the remote terminal.

[0271] The first permission information may be configured by any of the following:

[0272] Dedicated RRC signaling;

[0273] System messages;

[0274] NAS message.

[0275] For example, the first grant information may be configured through dedicated RRC signaling, or configured through system information, or configured through a NAS message.

[0276] In addition, the request for sidelink inactive state configuration sent by the remote terminal to the relay terminal may include the identity information of the remote terminal, and the identity information may be carried by at least one of SCI, MAC PDU, and PC5-RRC signaling; after configuring the remote terminal to be inactive, the relay terminal may also send indication information to the remote terminal to indicate whether the remote terminal should continue to use the identity information when entering the active state from the inactive state, or configure a new identity information.

[0277] In a second implementation, when the network side device receives the first request for Uu link inactive state configuration sent by the relay terminal, the network side device configures the relay terminal to be inactive. Wherein, when the network side device configures the relay terminal to be inactive, the network side device may retain the Uu link context related to the relay service and the context related to the wireless connection of the relay terminal.

[0278] For example, when the relay terminal requests the network side device to enter the inactive state of the Uu link, it can also explicitly or implicitly request the network side device to retain the context related to the wireless connection of the relay terminal itself, as well as the context of the Uu link related to the relay service, such as the backhaul bearer and bearer mapping, backhaul related QoS parameters, pre-configured resources and other configuration information. In this way, the relay terminal can configure the Uu link to the inactive state based on the context of the Uu link related to the relay service retained by the network side device.

[0279] Optionally, in an explicit request scheme, the relay terminal may add an indication field in the indication information to indicate that the relay terminal requests to enter the Uu link inactive state, so that the network side device responds to the relay terminal based on the explicit request to decide whether to configure the Uu link to the inactive state. Alternatively, in an implicit request scheme, the relay terminal may report the available capacity of the relay terminal and / or the frequency or interval of the relay terminal serving the remote terminal to the network side device, so that the network side device decides whether to configure the Uu link to the inactive state based on the available capacity of the relay terminal and / or the frequency of the relay terminal serving the remote terminal.

[0280] In an embodiment of the present application, the network side device can actively or based on the request of the relay terminal or the remote terminal, configure the relay terminal and / or the remote terminal to an inactive state, making the configuration of the network side device for the inactive state of the relay terminal and / or the remote terminal more flexible.

[0281] Optionally, in the case where the relay service is applied to a layer 2 relay structure, the network side device configures the relay terminal and / or the remote terminal to be in an inactive state, including:

[0282] The network side device receives a second request for relay link inactive state configuration sent by a remote terminal, configures the remote terminal to be inactive, and configures the relay terminal to retain a side link context related to the remote terminal.

[0283] It can be understood that for the layer 2 relay structure, since there is an RRC connection between the remote terminal and the network side device, the remote terminal can directly send a request for relay link inactive state configuration to the network side device, and then the network side device can configure the remote terminal to be inactive based on the request, activate the RRC configuration related to the remote terminal, thereby activating the relay link of the remote terminal, and sending an RRC connection activation confirmation message to the remote terminal. At the same time, the network side device configures the relay terminal to retain the side link context related to the remote terminal.

[0284] Alternatively, for a layer 2 relay mechanism, the network side device may also directly determine the relay terminal providing relay service for the remote terminal through the I-RNTI of the remote terminal without receiving a relay link inactive state configuration request sent by the remote terminal, thereby activating the Uu link.

[0285] Optionally, the method further comprises:

[0286] The network side device configures the identity identification information of the remote terminal, and the identity identification information is used to identify the remote terminal that has entered an inactive state.

[0287] It can be understood that after the network side device configures the remote terminal to be in an inactive state, it can also configure identity identification information for the remote terminal to identify the remote terminal entering the inactive state, thereby distinguishing the remote terminal entering the inactive state, making it easier for other communication devices to identify the remote terminal in the inactive state.

[0288] Alternatively, for the layer 2 relay structure, the network side device may also send SL-I-RNTI to the remote terminal that has entered the inactive state, so as to identify the remote terminal that has entered the inactive state through SL-I-RNTI.

[0289] For the layer 3 relay structure, when the network side device configures the relay link to enter the inactive state, it can allocate one or more SL-I-RNTIs to the relay terminal, corresponding to one or more context configurations, or one SL-I-RNTI corresponds to one context configuration, and different context configurations correspond to different Uu link bearers and wireless resource configurations.

[0290] In the embodiment of the present application, when the relay service is applied to the layer 2 relay structure, the network side device configures the relay terminal and / or the remote terminal to be in an inactive state, including:

[0291] The network side device receives the third request for configuring the Uu link inactive state sent by the relay terminal, and configures the relay terminal to be inactive state.

[0292] That is to say, the relay terminal can send a request for configuring the Uu link inactive state to the network side device, and the network side device configures the relay terminal to the inactive state based on the request. Alternatively, the network side device can also actively configure the relay terminal to the inactive state without receiving the Uu link inactive state configuration request from the relay terminal.

[0293] Alternatively, after receiving the sidelink inactive state configuration request sent by the remote terminal, the relay terminal may send a Uu link inactive state configuration request to the network side device. After receiving the request from the relay terminal, the network side device activates the Uu connection and backhaul related configuration of the relay terminal, configures the relay terminal to an inactive state, and sends a Uu link inactive state configuration confirmation message to the relay terminal. After receiving the message, the relay terminal sends a sidelink inactive state configuration confirmation message to the remote terminal.

[0294] Optionally, after the network side device configures the relay terminal and / or the remote terminal to be in an inactive state, the method further includes:

[0295] In the case where the relay service is applied to a layer 2 relay structure, the network side device receives a fourth request for activating an RRC connection sent by the remote terminal, and activates an RRC configuration related to the remote terminal to configure the remote terminal to an activated state.

[0296] It can be understood that for the layer 2 relay structure, there is an RRC connection between the remote terminal and the network side device. After the network side device configures the relay terminal and / or the remote terminal to be in an inactive state, the remote terminal can also directly send a fourth request to activate the RRC connection to the network side device. Based on the fourth request, the network side device activates the RRC configuration related to the remote terminal to configure the remote terminal to be in an active state.

[0297] It should be noted that, before the remote terminal sends the fourth request for activating the RRC connection to the network side device, it may also send a side link activation state configuration request to the relay terminal, and can enter the side link activation state based on the configuration of the relay terminal. In this way, the remote terminal can switch from the inactive state to the active state to meet the data transmission requirements.

[0298] Optionally, after the network side device configures the relay terminal and / or the remote terminal to be in an inactive state, the method further includes:

[0299] receiving a fifth request for Uu link activation state configuration sent by the relay terminal, activating the Uu connection of the relay terminal to configure the relay terminal to be in an activated state, and sending a Uu link activation confirmation message to the relay terminal.

[0300] It can be understood that after entering the inactive state, the relay terminal can switch from the inactive state to the active state based on the demand for data transmission. The relay terminal can send a fifth request for Uu link activation state configuration to the network side device, and the network side device activates the Uu connection and backhaul related configuration of the relay terminal based on the fifth request, configures the relay terminal to the active state, and sends a Uu link activation confirmation message to the relay terminal. Optionally, after receiving the Uu link activation confirmation message, the relay terminal can send a side link activation confirmation message to the remote terminal.

[0301] Further, in the case where the relay service is applied to the layer 2 relay structure, after the network side device sends the Uu link activation confirmation message to the relay terminal, the remote terminal may also send a sixth request to activate the RRC connection to the network side identity, and after receiving the sixth request, the network side device activates the RRC configuration related to the remote terminal, thereby activating the Uu link of the remote terminal to configure the remote terminal to be in an activated state. Alternatively, the network side device may also directly determine the relay terminal that provides the relay service for the remote terminal through the I-RNTI of the remote terminal, thereby activating the backhaul link.

[0302] If the relay service is applied to the layer 3 relay structure, since there is no RRC connection between the remote terminal and the network side device, the remote terminal does not need to send a request to activate the RRC connection to the network side device, and the network side device does not need to perform the relevant process of RRC connection activation.

[0303] In an embodiment of the present application, when a relay terminal provides a relay service for a remote terminal, a network side device configures the relay terminal and / or the remote terminal to be in an inactive state. Then, when the remote terminal and / or the relay terminal re-enters an active state from an inactive state, the relay link can realize data transmission by reactivating the stored wireless connection context and reusing the previous NG connection. This avoids the signaling overhead caused by re-establishing the wireless connection and configuring the relay link each time the relay link performs data transmission, thereby reducing data latency and improving the transmission performance of the communication system.

[0304] It should be noted that the inactive configuration method provided in the embodiment of the present application can be executed by an inactive configuration device, or a control module in the inactive configuration device for executing the inactive configuration method. In the embodiment of the present application, the inactive configuration device executing the inactive configuration method is taken as an example to illustrate the inactive configuration device provided in the embodiment of the present application.

[0305] Please refer to Figure 7 , Figure 7 is a structural diagram of another non-activated configuration device provided in an embodiment of the present application, such as Figure 7 As shown, the inactive configuration device 700 includes:

[0306] The second configuration module 701 is used to configure the relay terminal and / or the remote terminal to be inactive when the relay terminal is capable of providing a relay service for the remote terminal;

[0307] The relay link is a relay link for providing relay service for the remote terminal, and the relay link includes a side link between the relay terminal and the remote terminal and a Uu link between the relay terminal and the inactive configuration device.

[0308] Optionally, the second configuration module 701 is further configured to perform any one of the following:

[0309] Sending first permission information for configuring a sidelink inactive state to the relay terminal, wherein the first permission information is used to permit the relay terminal to configure a remote terminal to an inactive state;

[0310] A first request for configuring a Uu link inactive state sent by a relay terminal is received, and the relay terminal is configured to be inactive state.

[0311] Optionally, the inactive configuration device 700 further includes:

[0312] The first receiving module is used to receive a first request for sidelink inactive state configuration sent by the relay terminal.

[0313] Optionally, when the relay service is applied to a layer 2 relay structure, the second configuration module 701 is further used to:

[0314] A second request for relay link inactive state configuration sent by a remote terminal is received, the remote terminal is configured to be inactive, and the relay terminal is configured to retain a side link context related to the remote terminal.

[0315] Optionally, when the relay service is applied to a layer 2 relay structure, the second configuration module 701 is further used to:

[0316] A third request for configuring the Uu link inactive state sent by the relay terminal is received, and the relay terminal is configured to be inactive state.

[0317] Optionally, in the case where the relay service is applied to a layer 2 relay structure, the inactive configuration device 700 further includes:

[0318] The second receiving module is configured to receive a fourth request for activating the RRC connection sent by the remote terminal, and activate the RRC configuration related to the remote terminal to configure the remote terminal to be in an activated state.

[0319] Optionally, the inactive configuration device 700 further includes:

[0320] The third receiving module is used to receive the fifth request for Uu link activation state configuration sent by the relay terminal, activate the Uu connection of the relay terminal to configure the relay terminal to the activation state, and send a Uu link activation confirmation message to the relay terminal.

[0321] In an embodiment of the present application, when a relay terminal provides a relay service for a remote terminal, the inactive state configuration device 700 configures the relay terminal and / or the remote terminal to be inactive. Then, when the remote terminal and / or the relay terminal re-enters the active state from the inactive state, the relay link can realize data transmission by reactivating the stored wireless connection context and reusing the previous NG connection, thereby avoiding the signaling overhead caused by re-establishing the wireless connection and configuring the relay link each time the relay link performs data transmission, reducing data latency, and improving the transmission performance of the communication system.

[0322] The inactive configuration device 700 provided in the embodiment of the present application can realize Figure 6 The various processes implemented in the method embodiment achieve the same technical effect and will not be described again here to avoid repetition.

[0323] Optional, such as Figure 8 As shown, the embodiment of the present application further provides a communication device 800, including a processor 801, a memory 802, and a program or instruction stored in the memory 802 and executable on the processor 801. For example, when the communication device 800 is a relay terminal, the program or instruction is executed by the processor 801 to implement the above Figure 2 The various processes of the non-activated configuration method embodiment can achieve the same technical effect; when the communication device 800 is a remote terminal, the program or instruction is executed by the processor 801 to implement the above Figure 4 The various processes of the non-activated configuration method embodiment can achieve the same technical effect; when the communication device 800 is a network side device, the program or instruction is executed by the processor 801 to implement the above Figure 6 The various processes of the non-activated configuration method embodiment can achieve the same technical effect, and will not be described here to avoid repetition.

[0324] Fig. 9 A schematic diagram of the hardware structure of a terminal for implementing an embodiment of the present application.

[0325] The terminal 900 includes but is not limited to: a radio frequency unit 901, a network module 902, an audio output unit 903, an input unit 904, a sensor 905, a display unit 906, a user input unit 907, an interface unit 908, a memory 909, and a processor 910.

[0326] Those skilled in the art will appreciate that the terminal 900 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 910 through a power management system, thereby implementing functions such as managing charging, discharging, and power consumption management through the power management system. Fig. 9 The terminal structure shown in the figure does not constitute a limitation on the terminal. The terminal may include more or fewer components than shown in the figure, or combine certain components, or arrange the components differently, which will not be described in detail here.

[0327] It should be understood that in the embodiment of the present application, the input unit 904 may include a graphics processor (Graphics Processing Unit, GPU) 9041 and a microphone 9042, and the graphics processor 9041 processes the image data of the static picture or video obtained by the image capture device (such as a camera) in the video capture mode or the image capture mode. The display unit 906 may include a display panel 9061, and the display panel 9061 may be configured in the form of a liquid crystal display, an organic light emitting diode, etc. The user input unit 907 includes a touch panel 9071 and other input devices 9072. The touch panel 9071 is also called a touch screen. The touch panel 9071 may include two parts: a touch detection device and a touch controller. Other input devices 9072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.

[0328] In the embodiment of the present application, the radio frequency unit 901 receives downlink data from the network side device and sends it to the processor 910 for processing; in addition, the uplink data is sent to the network side device. Generally, the radio frequency unit 901 includes but is not limited to an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.

[0329] The memory 909 can be used to store software programs or instructions and various data. The memory 909 can mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area can store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.), etc. In addition, the memory 909 can include a high-speed random access memory, and can also include a non-volatile memory, wherein the non-volatile memory can be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or a flash memory. For example, at least one disk storage device, a flash memory device, or other non-volatile solid-state storage devices.

[0330] The processor 910 may include one or more processing units; optionally, the processor 910 may integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, and application programs or instructions, etc., and the modem processor mainly processes wireless communications, such as a baseband processor. It is understandable that the modem processor may not be integrated into the processor 910.

[0331] In an optional implementation, the terminal 900 is a relay terminal.

[0332] Processor 910, configured to configure the relay link to an inactive state when the relay terminal provides a relay service for the remote terminal;

[0333] The relay link is a relay link used to provide relay services for the remote terminal, and the relay link includes a side link between the relay terminal and the remote terminal and a Uu link between the relay terminal and a network-side device.

[0334] Optionally, the processor 910 is further configured to perform at least one of the following:

[0335] Configure the sidelink to an inactive state;

[0336] Configure the Uu link to be inactive.

[0337] Optionally, the processor 910 is further configured to perform at least one of the following:

[0338] receiving a first request for sidelink inactive state configuration sent by a remote terminal, and configuring the remote terminal to an inactive state based on the first request;

[0339] In the case of sidelink release, the sidelink release information sent to the remote terminal carries first information, where the first information is used to configure the remote terminal to be in an inactive state;

[0340] receiving first permission information for configuring a sidelink inactive state sent by a network-side device, and configuring the remote terminal to be inactive state based on the first permission information;

[0341] A second request for configuring the sidelink inactive state is sent to the network side device, and upon receiving second permission information sent by the network side device in response to the second request, the remote terminal is configured to be inactive.

[0342] Optionally, the first request includes identity information of the remote terminal.

[0343] Optionally, the identity identification information is carried by at least one of the following:

[0344] Secondary link control information SCI;

[0345] Media Access Control Protocol Data Unit MAC PDU;

[0346] PC5RRC signaling.

[0347] Optionally, the first sending module is used to send indication information to the remote terminal, where the indication information is used to instruct the remote terminal to implement any one of the following when entering the activated state from the inactive state:

[0348] Continue to use the identification information;

[0349] not use said identifying information;

[0350] Configure a new identity.

[0351] Optionally, the first permission information is configured by any of the following:

[0352] Dedicated RRC signaling;

[0353] System messages;

[0354] Non-access stratum NAS message.

[0355] Optionally, the processor 910 is further configured to, when the RF unit 901 receives a third request for sidelink inactive state configuration sent by a remote terminal, configure the remote terminal to an inactive state based on the first permission information in response to the third request.

[0356] Optionally, the radio frequency unit 901 is further configured to:

[0357] A fourth request for sidelink inactive state configuration sent by a remote terminal is received.

[0358] Optionally, the processor 910 is further configured to perform any one of the following:

[0359] Determine a Uu link context associated with a relay service, and based on the Uu link context, configure the Uu link to an inactive state;

[0360] receiving a configuration for a Uu link to enter an inactive state from a network side device, determining a Uu link context associated with a relay service, and configuring the Uu link to be inactive based on the Uu link context;

[0361] A fifth request for configuring the Uu link in an inactive state is sent to the network side device, and based on a response message of the network side device in response to the fifth request, the Uu link is configured in an inactive state.

[0362] Optionally, the radio frequency unit 901 is further configured to:

[0363] A sixth request is sent to the network side device, where the sixth request is used to explicitly or implicitly request the network side device to retain the context related to the wireless connection of the relay terminal and to retain the Uu link context related to the relay service.

[0364] Optionally, in the case where the sixth request is an explicit request, the sixth request includes indication information, where the indication information is used to request to enter the Uu link inactive state;

[0365] In the case that the sixth request is an implicit request, the sixth request includes the capacity of the inactive configuration device and / or the frequency of the inactive configuration device serving the remote terminal.

[0366] Optionally, the radio frequency unit 901 is further configured to:

[0367] A seventh request for relay link activation state configuration sent by the remote terminal is received, and the remote terminal is configured to be in the activation state.

[0368] Optionally, the radio frequency unit 901 is further configured to:

[0369] receiving a seventh request for sidelink activation state configuration sent by the remote terminal, and sending an eighth request for Uu link activation state configuration to the network side device in response to the seventh request;

[0370] Receive a response message sent by the network side device in response to the eighth request, and configure the remote terminal to an activated state based on the response message.

[0371] Optionally, when the relay service is applied to a layer 3 relay structure, the processor 910 is further configured to:

[0372] Based on the context of the remote terminal, a temporary identifier is determined, where the temporary identifier is used to determine the context of the Uu link to be activated.

[0373] In another optional implementation, the terminal 900 is a remote terminal. In this implementation, the processor 910 is configured to: enter a relay link inactive state based on the configuration of the relay terminal and / or the network side device;

[0374] The relay link is a relay link for providing relay service for the inactive configuration device, and the relay link includes a side link between the relay terminal and the inactive configuration device and a Uu link between the relay terminal and the network side device.

[0375] Optionally, the processor 910 is further configured to perform any one of the following:

[0376] sending a first request for sidelink inactive state configuration to the relay terminal, and entering the sidelink inactive state based on the configuration performed by the relay terminal in response to the first request;

[0377] receiving side link release information sent by the relay terminal, where the side link release information carries first information, and the first information is used to instruct the remote terminal to enter a side link inactive state;

[0378] Receive configuration information from a network-side device forwarded by the relay terminal, and enter a sidelink inactive state according to the configuration information.

[0379] Optionally, the first request includes identity information of the remote terminal.

[0380] Optionally, the identity information is carried by any of the following:

[0381] Secondary link control information SCI;

[0382] Media Access Control Protocol Data Unit MAC PDU;

[0383] PC5RRC signaling.

[0384] Optionally, the radio frequency unit 901 is configured to:

[0385] receiving indication information sent by the relay terminal, where the indication information is used to instruct the remote terminal to implement any one of the following when entering the activated state from the inactive state:

[0386] Continue to use the identification information;

[0387] not use said identifying information;

[0388] Configure a new identity.

[0389] Optionally, the processor 910 is further configured to:

[0390] In the case where the relay service is applied to a layer 2 relay structure, based on the configuration of the network side device, entering a relay link inactive state;

[0391] In the case where the relay service is applied to the layer 2 relay structure, the radio frequency unit 901 is further used to send a third request to the network side device to enter the relay link inactive state, and the processor 910 enters the relay link inactive state based on the response information of the network side device;

[0392] In the case where the relay service is applied to a layer 3 relay structure, the radio frequency unit 901 is also used to send a second request for configuring the relay link in an inactive state to the relay terminal, and the processor 910 enters the relay link inactive state based on the configuration executed by the relay terminal in response to the second request.

[0393] Optionally, when the relay service is applied to a layer 2 relay structure, the radio frequency unit 901 is further configured to:

[0394] Receive a temporary identity code in the sidelink inactive state sent by the network side device.

[0395] Optionally, the radio frequency unit 901 is further configured to:

[0396] A fourth request for configuring the sidelink active state is sent to the relay terminal, and the processor 910 enters the sidelink active state based on the configuration of the relay terminal.

[0397] Optionally, the radio frequency unit 901 is further configured to:

[0398] A fifth request for activating the RRC connection is sent to the network side device, and an RRC connection activation confirmation message sent by the network side device is received.

[0399] In an embodiment of the present application, the relay terminal and / or the remote terminal can be configured to be in an inactive state. Then, when the relay terminal and / or the remote terminal re-enters an active state from an inactive state, the relay link can realize data transmission by reactivating the stored wireless connection context and reusing the previous NG connection. This avoids the signaling overhead caused by re-establishing the wireless connection and configuring the relay link each time the relay link performs data transmission, thereby reducing data latency and improving the transmission performance of the communication system.

[0400] Specifically, the embodiment of the present application also provides a network side device. Fig.10 As shown, the network side device 1000 includes: an antenna 1001, a radio frequency device 1002, and a baseband device 1003. The antenna 1001 is connected to the radio frequency device 1002. In the uplink direction, the radio frequency device 1002 receives information through the antenna 1001, and sends the received information to the baseband device 1003 for processing. In the downlink direction, the baseband device 1003 processes the information to be sent and sends it to the radio frequency device 1002, and the radio frequency device 1002 processes the received information and sends it out through the antenna 1001.

[0401] The frequency band processing device may be located in the baseband device 1003 . The method performed by the network-side device in the above embodiment may be implemented in the baseband device 1003 . The baseband device 1003 includes a processor 1004 and a memory 1005 .

[0402] The baseband device 1003 may include, for example, at least one baseband board on which a plurality of chips are arranged. Fig.10 As shown, one of the chips is, for example, a processor 1004, which is connected to a memory 1005 to call a program in the memory 1005 to execute the network device operations shown in the above method embodiment.

[0403] The baseband device 1003 may further include a network interface 1006 for exchanging information with the radio frequency device 1002 . The interface may be, for example, a common public radio interface (CPRI).

[0404] Specifically, the network side device of the embodiment of the present invention further includes: instructions or programs stored in the memory 1005 and executable on the processor 1004, and the processor 1004 calls the instructions or programs in the memory 1005 to execute Figure 7 The methods executed by the modules shown achieve the same technical effects, and are not described here in detail to avoid repetition.

[0405] The embodiment of the present application also provides a readable storage medium on which a program or instruction is stored. When the program or instruction is executed by a processor, the above Figure 2 The various processes of the non-activated configuration method embodiment can achieve the same technical effect; or realize the above Figure 4 The various processes of the non-activated configuration method embodiment can achieve the same technical effect; or realize the above Figure 6 The various processes of the non-activated configuration method embodiment can achieve the same technical effect, and will not be described here to avoid repetition.

[0406] The processor is the processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a computer read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0407] The present application also provides a chip, which includes a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run a network side device program or instruction to implement the above Figure 2 The various processes of the non-activated configuration method embodiment can achieve the same technical effect; or realize the above Figure 4 The various processes of the non-activated configuration method embodiment can achieve the same technical effect; or realize the above Figure 6 The various processes of the non-activated configuration method embodiment can achieve the same technical effect, and will not be described here to avoid repetition.

[0408] It should be understood that the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.

[0409] It should be noted that, in this article, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise one..." do not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0410] Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus a necessary general hardware platform, and of course by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, a disk, or an optical disk), and includes a number of instructions for a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in each embodiment of the present application.

[0411] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A non-active configuration method, characterized in that: include: When the relay terminal provides a relay service for a remote terminal, the relay terminal configures the relay link to be inactive; The relay link is a relay link for providing a relay service for the remote terminal, and the relay link includes a side link between the relay terminal and the remote terminal and a Uu link between the relay terminal and a network side device; The relay terminal configures the relay link to be in an inactive state, including: The relay terminal configures the sidelink to an inactive state; The relay terminal configures the Uu link to an inactive state; The relay terminal configures the sidelink to an inactive state, including any of the following: The relay terminal receives a first request for sidelink inactive state configuration sent by a remote terminal, and the relay terminal configures the remote terminal to an inactive state based on the first request; When the sidelink is released, the relay terminal carries first information in the sidelink release information sent to the remote terminal, where the first information is used to configure the remote terminal to be in an inactive state; The relay terminal receives first permission information for configuring the sidelink inactive state sent by the network side device, and the relay terminal configures the remote terminal to be inactive state based on the first permission information; The relay terminal sends a second request for configuring the sidelink inactive state to the network side device, and the relay terminal configures the remote terminal to be inactive state when receiving second permission information sent by the network side device in response to the second request; The relay terminal configures the Uu link to be inactive, including any of the following: The relay terminal determines a Uu link context related to the relay service, and based on the Uu link context, configures the Uu link to an inactive state, and the network side device retains a context related to the wireless connection of the relay terminal and retains the Uu link context related to the relay service; The relay terminal receives a configuration for the Uu link to enter an inactive state from the network side device, determines a Uu link context related to the relay service, and configures the Uu link to an inactive state based on the Uu link context, and the network side device retains a context related to the wireless connection of the relay terminal and a Uu link context related to the relay service; The relay terminal sends a fifth request for configuring the Uu link to an inactive state to the network side device, and based on the response message of the network side device in response to the fifth request, configures the Uu link to an inactive state, and the network side device retains the context related to the wireless connection of the relay terminal, and retains the Uu link context related to the relay service.

2. The method according to claim 1, characterized in that The first request includes identification information of the remote terminal.

3. The method according to claim 2, characterized in that The identity information is carried by at least one of the following: Secondary link control information SCI; Media Access Control Protocol Data Unit MAC PDU; PC5 Radio Resource Control RRC signaling.

4. The method according to claim 2, characterized in that: After the relay terminal configures the remote terminal to be in an inactive state based on the first request, the method further includes: The relay terminal sends indication information to the remote terminal, where the indication information is used to instruct the remote terminal to implement any one of the following when entering the activated state from the inactive state: Continue to use the identification information; not use said identifying information; Configure a new identity.

5. The method according to claim 1, characterized in that The first permission information is configured by any of the following: Dedicated RRC signaling; System messages; Non-access stratum NAS message.

6. The method according to claim 1, characterized in that The relay terminal configures the remote terminal to be in an inactive state based on the first permission information, including: When the relay terminal receives a third request for sidelink inactive state configuration sent by a remote terminal, the relay terminal configures the remote terminal to an inactive state in response to the third request based on the first permission information.

7. The method according to claim 1, characterized in that Before the relay terminal sends a second request for inactive configuration to the network side device, the method further includes: The relay terminal receives a fourth request for sidelink inactive state configuration sent by a remote terminal.

8. The method according to claim 1, characterized in that When the relay terminal sends a fifth request for configuring the Uu link in an inactive state to the network side device, the method further includes: The relay terminal sends a sixth request to the network side device, where the sixth request is used to explicitly or implicitly request the network side device to retain the context related to the wireless connection of the relay terminal and to retain the Uu link context related to the relay service.

9. The method according to claim 8, characterized in that In the case where the sixth request is an explicit request, the sixth request includes indication information, where the indication information is used to request to enter the Uu link inactive state; In the case that the sixth request is an implicit request, the sixth request includes the capacity of the relay terminal and / or the frequency of the relay terminal serving the remote terminal.

10. The method according to claim 1, characterized in that After the relay terminal configures the relay link to an inactive state, the method further includes: The relay terminal receives the seventh request for relay link activation state configuration sent by the remote terminal, and configures the remote terminal to the activation state.

11. The method according to claim 10, characterized in that The relay terminal receives a seventh request for relay link activation state configuration sent by the remote terminal, and configures the remote terminal to be in the activation state, including: The relay terminal receives a seventh request for sidelink activation state configuration sent by the remote terminal, and the relay terminal sends an eighth request for Uu link activation state configuration to the network side device in response to the seventh request; The relay terminal receives a response message sent by the network-side device in response to the eighth request, and configures the remote terminal to an activated state based on the response message.

12. The method according to claim 11, characterized in that In the case where the relay service is applied to a layer 3 relay structure, when the relay terminal sends the eighth request to the network side device, the method further includes: The relay terminal determines a temporary identifier based on the context of the remote terminal, where the temporary identifier is used to determine the context of the Uu link to be activated.

13. A non-active configuration method, characterized in that: include: The remote terminal enters the relay link inactive state based on the configuration of the relay terminal and / or the network side device; The relay link is a relay link used to provide a relay service for the remote terminal, and the relay link includes a side link between the relay terminal and the remote terminal and a Uu link between the relay terminal and the network side device; The relay link is in an inactive state, including: The side chain is inactive; The Uu link is inactive; The remote terminal enters the relay link inactive state based on the configuration of the relay terminal and / or the network side device, including any of the following: The remote terminal sends a first request for sidelink inactive state configuration to the relay terminal, and enters the sidelink inactive state based on the configuration performed by the relay terminal in response to the first request; The remote terminal receives the side link release information sent by the relay terminal, where the side link release information carries first information, and the first information is used to instruct the remote terminal to enter a side link inactive state; The remote terminal receives the configuration information from the network side device forwarded by the relay terminal, and enters the sidelink inactive state according to the configuration information; The remote terminal enters the relay link inactive state based on the configuration of the relay terminal and / or the network side device, including: In the case where the relay service is applied to a layer 2 relay structure, the remote terminal enters a relay link inactive state based on the configuration of a network side device; In the case where the relay service is applied to a layer 3 relay structure, the remote terminal sends a second request for relay link inactive state configuration to the relay terminal, and the remote terminal enters the relay link inactive state based on the configuration performed by the relay terminal in response to the second request; In the case where the relay service is applied to a layer 2 relay structure, the remote terminal sends a third request to the network side device to enter the relay link inactive state, and based on the response information of the network side device, enters the relay link inactive state, the network side device configures the remote terminal to enter the relay link inactive state, and configures the relay terminal to retain the side link context related to the remote terminal.

14. The method according to claim 13, characterized in that The first request includes identification information of the remote terminal.

15. The method according to claim 14, characterized in that The identity information is carried by any of the following: Secondary link control information SCI; Media Access Control Protocol Data Unit MAC PDU; PC5 Radio Resource Control RRC signaling.

16. The method according to claim 14, characterized in that After the remote terminal enters the relay link inactive state based on the configuration of the relay terminal and / or the network side device, the method further includes: The remote terminal receives indication information sent by the relay terminal, where the indication information is used to instruct the remote terminal to implement any one of the following when entering the activated state from the inactive state: Continue to use the identification information; not use said identifying information; Configure a new identity.

17. The method according to claim 13, characterized in that In case the relay service is applied to a layer 2 relay structure, the method further comprises: The remote terminal receives a temporary identity code in a sidelink inactive state sent by the network side device.

18. The method according to claim 13, characterized in that After the remote terminal enters the relay link inactive state based on the configuration of the relay terminal and / or the network side device, the method further includes: The remote terminal sends a fourth request for sidelink active state configuration to the relay terminal, and enters the sidelink active state based on the configuration of the relay terminal.

19. The method according to claim 18, characterized in that In the case where the relay service is applied to a layer 2 relay structure, after the remote terminal enters a sidelink activation state, the method further includes: The remote terminal sends a fifth request for activating the RRC connection to the network side device, and receives an RRC connection activation confirmation message sent by the network side device.

20. A non-active configuration method, characterized in that: include: In the case where the relay terminal is capable of providing a relay service for the remote terminal, the network side device configures the relay terminal and / or the remote terminal to be in an inactive state; The relay link is a relay link used to provide a relay service for the remote terminal, and the relay link includes a side link between the relay terminal and the remote terminal and a Uu link between the relay terminal and the network side device; The relay terminal and / or the remote terminal being in an inactive state includes: The side chain is inactive; The Uu link is inactive; The network side device configures the relay terminal and / or the remote terminal to be in an inactive state, including any of the following: The network side device receives a first request for configuring a Uu link inactive state sent by a relay terminal, and configures the relay terminal to be inactive, and the network side device retains a Uu link context related to a relay service and a context related to a wireless connection of the relay terminal; In the case where the relay service is applied to a layer 2 relay structure, the network side device configures the relay terminal and / or the remote terminal to be in an inactive state, including any one of the following: The network side device receives a second request for relay link inactive state configuration sent by a remote terminal, configures the remote terminal to be inactive, and configures the relay terminal to retain a side link context related to the remote terminal; The network side device receives the third request for Uu link inactive state configuration sent by the relay terminal, configures the relay terminal to an inactive state, and retains the Uu link context related to the relay service and the context related to the wireless connection of the relay terminal.

21. The method according to claim 20, characterized in that After the network side device configures the relay terminal and / or the remote terminal to be in an inactive state, the method further includes: In the case where the relay service is applied to a layer 2 relay structure, the network side device receives a fourth request for activating an RRC connection sent by the remote terminal, and activates an RRC configuration related to the remote terminal to configure the remote terminal to an activated state.

22. The method according to claim 20, characterized in that After the network side device configures the relay terminal and / or the remote terminal to be in an inactive state, the method further includes: receiving a fifth request for Uu link activation state configuration sent by the relay terminal, activating the Uu connection of the relay terminal to configure the relay terminal to be in an activated state, and sending a Uu link activation confirmation message to the relay terminal.

23. A non-activated configuration device, characterized in that: include: A first configuration module, configured to configure the relay link to an inactive state when the inactive state configuration device provides a relay service for a remote terminal; The relay link is a relay link for providing a relay service for the remote terminal, and the relay link includes a side link between the inactive configuration device and the remote terminal and a Uu link between the inactive configuration device and a network side device; Configuring a trunk link to be inactive includes: Configure the sidelink to an inactive state; Configure the Uu link to an inactive state; The first configuration module is further configured to perform any of the following: receiving a first request for sidelink inactive state configuration sent by a remote terminal, and configuring the remote terminal to an inactive state based on the first request; In the case of sidelink release, the sidelink release information sent to the remote terminal carries first information, where the first information is used to configure the remote terminal to be in an inactive state; receiving first permission information for configuring a sidelink inactive state sent by a network-side device, and configuring the remote terminal to be inactive state based on the first permission information; sending a second request for configuring the sidelink inactive state to the network side device, and upon receiving second permission information sent by the network side device in response to the second request, configuring the remote terminal to be inactive; The first configuration module is further configured to perform any of the following: Determine a Uu link context related to the relay service, and based on the Uu link context, configure the Uu link to an inactive state, the network side device retains a context related to the wireless connection of the relay terminal, and retains the Uu link context related to the relay service; Receiving a configuration for a Uu link to enter an inactive state from a network side device, determining a Uu link context associated with a relay service, and configuring the Uu link to be inactive based on the Uu link context, wherein the network side device retains a context associated with a wireless connection of the relay terminal and a Uu link context associated with the relay service; A fifth request for configuring the Uu link to be in an inactive state is sent to the network side device, and based on the response message of the network side device in response to the fifth request, the Uu link is configured to be in an inactive state, and the network side device retains the context related to the wireless connection of the relay terminal, and retains the Uu link context related to the relay service.

24. A non-activated configuration device, characterized in that: include: An execution module, configured to enter a relay link inactive state based on the configuration of the relay terminal and / or the network side device; The relay link is a relay link for providing a relay service for the inactive configuration device, and the relay link includes a side link between the relay terminal and the inactive configuration device and a Uu link between the relay terminal and the network side device; The relay link is in an inactive state, including: The side chain is inactive; The Uu link is inactive; The execution module is also used to execute any of the following: sending a first request for sidelink inactive state configuration to the relay terminal, and entering the sidelink inactive state based on the configuration performed by the relay terminal in response to the first request; receiving side link release information sent by the relay terminal, wherein the side link release information carries first information, and the first information is used to instruct the inactive state configuration device to enter the side link inactive state; receiving configuration information from a network-side device forwarded by the relay terminal, and entering a sidelink inactive state according to the configuration information; The execution module is also used to execute any of the following: In the case where the relay service is applied to a layer 2 relay structure, based on the configuration of the network side device, the relay link enters an inactive state; In the case where the relay service is applied to a layer 2 relay structure, sending a third request to the network side device to enter the relay link inactive state, and entering the relay link inactive state based on the response information of the network side device; In the case where the relay service is applied to a layer 3 relay structure, a second request for relay link inactive state configuration is sent to the relay terminal, and based on the configuration performed by the relay terminal in response to the second request, the relay link enters the inactive state, the network side device configures the remote terminal to enter the relay link inactive state, and configures the relay terminal to retain the side link context related to the remote terminal.

25. A non-activated configuration device, characterized in that: include: A second configuration module, configured to configure the relay terminal and / or the remote terminal to an inactive state when the relay terminal is capable of providing a relay service for the remote terminal; The relay link is a relay link for providing a relay service for the remote terminal, and the relay link includes a side link between the relay terminal and the remote terminal and a Uu link between the relay terminal and the inactive configuration device; The relay terminal and / or the remote terminal being in an inactive state includes: The side chain is inactive; The Uu link is inactive; The second configuration module is further configured to perform any of the following: Receiving a first request for Uu link inactive state configuration sent by a relay terminal, and configuring the relay terminal to be inactive, the network side device retaining the Uu link context related to the relay service and the context related to the wireless connection of the relay terminal; In the case where the relay service is applied to a layer 2 relay structure, the second configuration module is further used for any of the following: receiving a second request for relay link inactive state configuration sent by a remote terminal, configuring the remote terminal to be inactive, and configuring the relay terminal to retain a side link context related to the remote terminal; A third request for Uu link inactive state configuration sent by a relay terminal is received, and the relay terminal is configured to be inactive. The network side device retains the Uu link context related to the relay service and the context related to the wireless connection of the relay terminal.

26. A communication device, characterized in that: It includes a processor, a memory, and a program or instruction stored in the memory and executable on the processor, wherein the program or instruction, when executed by the processor, implements the steps of the non-activated configuration method as described in any one of claims 1 to 12, or, when executed by the processor, implements the steps of the non-activated configuration method as described in any one of claims 13 to 19, or, when executed by the processor, implements the steps of the non-activated configuration method as described in any one of claims 20 to 22.

27. A readable storage medium, characterized in that: The readable storage medium stores a program or instruction, and when the program or instruction is executed by the processor, it implements the steps of the non-activated configuration method as described in any one of claims 1-12, or, when the program or instruction is executed by the processor, it implements the steps of the non-activated configuration method as described in any one of claims 13-19, or, when the program or instruction is executed by the processor, it implements the steps of the non-activated configuration method as described in any one of claims 20-22.

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