Relay communication method and device, storage medium and relay equipment

Abstract

A relay communication method and apparatus, a storage medium, and a relay device, the relay communication method comprising: receiving access indication information of a remote user equipment, the access indication information being used for indicating that a network needs to be accessed; and in response to the received access indication information, ignoring a timer which is running and forbidden to access, and directly initiating an RRC recovery request or an RRC establishment request. According to the technical scheme of the invention, the access success rate of the relay equipment when the RRC connection is established or recovered can be improved.

Description

Technical Field

[0001] The present invention relates to the field of communication technology, and in particular to a relay communication method and device, a storage medium, and a relay device. Background Art

[0002] In the sidelink relay scenario, a remote user equipment (Remote UE) accesses the network through a relay device (Relay), can carry out services, and can expand network coverage. The Remote UE can be at the edge of the cell or outside the network coverage. The Relay is within the cell coverage, and usually the channel environment it is in is relatively good. Usually, the Relay that is providing services to the Remote UE is in the Radio Resource Control (RRC) connection state. At this time, if a PC5 RRC connection has been established between the Remote UE and the Relay, once the Remote UE establishes a new service or expects to access the network, the Relay can immediately forward the Remote UE's service request or access request to the network through the current RRC connection.

[0003] In order to enable the Relay to save power better, the Relay is now allowed to enter the idle state or inactive state. At this time, if a Remote UE expects to access the network through this Relay, the Relay needs to establish an RRC connection or restore the RRC connection (for the inactive state to the connected state).

[0004] However, when establishing or restoring an RRC connection, how the Relay performs access control is a problem that needs to be solved. Summary of the invention

[0005] The technical problem solved by the present invention is how to improve the access success rate of a relay device when establishing an RRC connection or restoring an RRC connection.

[0006] To solve the above technical problems, an embodiment of the present invention provides a relay communication method, which includes: receiving access indication information of a remote user equipment, wherein the access indication information is used to indicate the need to access the network; in response to receiving the access indication information, directly initiating an RRC recovery request or an RRC establishment request, or, if there is a timer that prohibits access being run, determining whether to initiate an RRC recovery request or an RRC establishment request according to the type of the running timer, so as to request to establish an RRC connection to forward the data of the remote user equipment.

[0007] Optionally, determining whether to initiate an RRC recovery request or an RRC establishment request according to the type of the running timer includes: stopping the timer and initiating the RRC recovery request or the RRC establishment request.

[0008] Optionally, determining whether to initiate an RRC recovery request or an RRC establishment request based on the type of the running timer includes: when the timer type is a timing duration configured for the base station, initiating the RRC recovery request or the RRC establishment request, and prohibiting the initiation of its own service before the timer expires; or, prohibiting the initiation of the RRC recovery request or the RRC establishment request until the timer times out.

[0009] Optionally, the timer type is T302.

[0010] Optionally, determining whether to initiate an RRC recovery request or an RRC establishment request based on the type of the running timer includes: when the timer type is a timing duration related to the access category, initiating the RRC recovery request or the RRC establishment request, and prohibiting itself from initiating services of the access category before the timer expires; or, prohibiting the initiation of the RRC recovery request or the RRC establishment request originating from the access category until the timer times out.

[0011] Optionally, the timer type is T390.

[0012] Optionally, the relay communication method further includes: if there is no access prohibition timer in operation, implementing access control according to its own access parameter with the highest or second highest priority, or according to the access parameter of the remote user equipment.

[0013] Optionally, before implementing access control according to access parameters, the method further includes: receiving access parameters of the remote user equipment.

[0014] Optionally, implementing access control according to access parameters includes: implementing access control using access parameters of a remote user equipment with the highest or second highest priority.

[0015] Optionally, the access parameters include access reason and / or access category, access identifier.

[0016] To solve the above technical problems, an embodiment of the present invention further discloses a relay communication device, which includes: a receiving module, used to receive access indication information of a remote user equipment, wherein the access indication information is used to indicate the need to access the network; a request initiating module, used to directly initiate an RRC recovery request or an RRC establishment request in response to receiving the access indication information, or, if there is a timer that prohibits access being run, determine whether to initiate an RRC recovery request or an RRC establishment request according to the type of the running timer, so as to request to establish an RRC connection to forward the data of the remote user equipment.

[0017] The embodiment of the present invention further discloses a storage medium on which a computer program is stored. When the computer program is executed by a processor, the steps of the relay communication method are executed.

[0018] An embodiment of the present invention further discloses a relay device, including a memory and a processor, wherein the memory stores a computer program that can be run on the processor, and the processor executes the steps of the relay communication method when running the computer program.

[0019] An embodiment of the present invention also discloses another relay communication method, which may include: receiving access indication information of a remote user device, wherein the access indication information is used to indicate a need to access the network; if there is no access prohibition timer in operation, implementing access control based on its own access parameters with the highest or second highest priority, or based on the access parameters of the remote user device.

[0020] An embodiment of the present invention also discloses another relay communication device, which includes: an indication information receiving module, used to receive access indication information of a remote user device, wherein the access indication information is used to indicate the need to access the network; an access control module, used to implement access control based on its own access parameters with the highest or second highest priority, or based on the access parameters of the remote user device when there is no access prohibition timer running.

[0021] Compared with the prior art, the technical solution of the embodiment of the present invention has the following beneficial effects:

[0022] In the technical solution of the present invention, after receiving the indication information that the remote user equipment needs to access the network, the relay device can ignore the possible running access prohibition timer and directly initiate an RRC recovery request or an RRC establishment request, thereby improving the success rate of the relay device accessing the network; or the relay device can determine whether to initiate an RRC recovery request or an RRC establishment request based on the type of the running timer, and the type of timer can reflect the load status of the base station, so that the relay device considers the load of the base station during access control, avoiding further congestion caused by re-accessing the network in a high load state, thereby balancing the network load.

[0023] Furthermore, if there is no access prohibition timer in operation, the relay device may implement access control using the highest or second highest priority access reason, or use the highest or second highest priority access reason, access category, and access identifier of the remote user device to implement access control. In the technical solution of the present invention, the relay device implements access control using a higher priority access reason to improve the success rate of the relay device accessing the network. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a flow chart of a relay communication method according to an embodiment of the present invention;

[0025] Figure 2 is a flow chart of another relay communication method according to an embodiment of the present invention;

[0026] Figure 3 It is a structural schematic diagram of a relay communication device according to an embodiment of the present invention;

[0027] Figure 4 It is a structural schematic diagram of another relay communication device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0028] As described in the background art, when establishing an RRC connection or restoring an RRC connection, how the Relay performs access control is a problem that needs to be solved.

[0029] In an embodiment of the present invention, after receiving indication information that a remote user device needs to access the network, the relay device can ignore the possible running access prohibition timer and directly initiate an RRC recovery request or an RRC establishment request, thereby improving the success rate of the relay device accessing the network; or the relay device can determine whether to initiate an RRC recovery request or an RRC establishment request based on the type of the running timer, and the type of the timer can reflect the load status of the base station, so that the relay considers the load of the base station during access control, avoiding further congestion caused by re-accessing the network in a high load state, thereby balancing the network load.

[0030] The technical solution of this invention can be applied to 5G (5Generation) communication systems, as well as 4G and 3G communication systems, and can also be applied to various new communication systems in the future, such as 6G and 7G.

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0032] Figure 1 It is a flow chart of a relay communication method according to an embodiment of the present invention.

[0033] The relay communication method of the embodiment of the present invention can be used on the relay device side, that is, the steps of the method can be performed by the relay device. The relay device can be a user equipment or any other implementable device.

[0034] It can be understood that, in a specific implementation, the relay communication method can be implemented in the form of a software program, and the software program runs in a processor integrated inside a chip or a chip module.

[0035] Specifically, the relay communication method may include the following steps:

[0036] Step S101: receiving access indication information of a remote user equipment, where the access indication information is used to indicate a need to access a network;

[0037] Step S102: In response to receiving the access indication information, the running access prohibition timer is ignored, and an RRC recovery request or an RRC establishment request is directly initiated.

[0038] It should be pointed out that the serial numbers of the steps in this embodiment do not limit the execution order of the steps.

[0039] In the embodiment of the present invention, the relay device (Relay) is within the coverage of the service cell and can provide relay services for other remote user equipment (Remote UE). The Relay can periodically broadcast a discovery message to the surrounding area so that the surrounding Remote UE can discover the Relay. The Remote UE can obtain information about the service cell accessed by the Relay through the discovery information, such as the cell identifier, the PLMN identifier to which the cell belongs, etc.

[0040] It should be noted that the specific content of the discovery information may refer to the prior art, and the embodiments of the present invention do not limit this.

[0041] The relay device in the embodiment of the present invention is in an idle state or an inactive state. In the specific implementation of step S101, when a Remote UE discovers the Relay and expects to access the network through the Relay, the Remote UE can establish a direct communication mechanism with the Relay, such as establishing a PC5 RRC connection. The Remote UE sends access indication information to the Relay through the PC5 RRC connection to indicate the need to access the network. The Remote UE can indicate the need to access the network through explicit signaling or implicitly. For example, the Remote UE can send data to the Relay, but the destination address of the data is not the Relay. At this time, the Relay needs to be aware that the Remote UE needs to send the data to the network. At this time, the Relay needs to enter the RRC connection state. If the Relay was in the inactive state before, the Relay needs to send an RRC resume request (RRCResume Request) at this time. If the Relay was in the idle state before, the Relay needs to send an RRC setup request (RRCSetup Request) at this time.

[0042] In a specific embodiment of the present invention, before sending an RRC recovery request or an RRC establishment request, the relay device may perform the following operations: determine whether it is allowed to initiate an RRC recovery request or an RRC establishment request, that is, the relay device determines whether it has a running access prohibition timer. Before the access prohibition timer times out, the relay device cannot initiate an RRC recovery request or an RRC establishment request (that is, an RRC recovery request and an RRC establishment request).

[0043] Specifically, the timers for prohibited access may include T302 and T390. For timer T302, the Relay initiated an RRC establishment request or an RRC recovery request for its own service, but the serving base station returned an RRC rejection or an RRC release, which included the duration of the waiting time (wait time), that is, the duration of timer T302. After receiving it, the Relay starts timer T302. Before timer T302 times out, the Relay cannot initiate an RRC establishment request or an RRC recovery request. For timer T390, when the Relay attempts to access the network for its own service needs and performs access control (Access Control) using a certain access category (Access category), it finds that it is prohibited (Barred), that is, access is not allowed. The Relay starts timer T390 for the access category provided by its own non-access layer for this access request. The specific duration is a duration value generated by the Relay according to the rules of the protocol. That is, timer T390 is related to the access category. After timer T390 times out, the relay considers that the prohibition of the access category is eliminated, that is, the RRC establishment request or RRC recovery request can be initiated using the access category.

[0044] In one implementation of step S102, the relay device may directly initiate an RRC recovery request or an RRC establishment request. In other words, regardless of whether there is a timer that prohibits access being run, the relay device will directly initiate an RRC recovery request or an RRC establishment request. For example, if the relay device detects that there is a timer that prohibits access being run, the relay device may ignore the timer that is running. The technical solution of the present invention can improve the success rate of the relay device accessing the network.

[0045] In an optional embodiment, the relay device may not execute the step of detecting the timer, and directly initiate an RRC recovery request or an RRC establishment request.

[0046] In another specific implementation of step S102, in the case where there is a timer that prohibits access in progress, the relay device can determine whether to initiate an RRC recovery request or an RRC establishment request according to the type of the timer in progress. Since the type of the timer can reflect the load status of the base station or the configuration status of the network, the relay device considers the type of the timer when requesting access, and access optimization can be achieved. The technical solution of the present invention enables the relay device to consider the load of the base station during access control, avoiding further congestion caused by re-accessing the network in a high load state, thereby balancing the network load.

[0047] Furthermore, after the Relay initiates an RRC recovery request or an RRC establishment request, the Relay receives the response returned by the serving base station, and the Relay establishes an RRC connection with the serving base station. After that, the Relay can transmit its service request and other information to the Remote UE through the established RRC connection, and then a data radio bearer can be established between the serving base station and the Relay to transmit the Remote UE's data, providing a channel for the exchange of service data and signaling between the Remote UE and the serving base station, playing the role of a relay.

[0048] It should be noted that the technical solution of the embodiment of the present invention can be used in the side link transmission relay (sidelink relay) scenario, or it can be a relay scenario of other communication modes. In the above scenarios, a relay device is required to provide relay services to forward the data or signaling of the user equipment to the network side.

[0049] In a non-limiting embodiment of the present invention, Figure 1 The step S102 shown may include the following steps: stopping the timer, and initiating the RRC resumption request or the RRC establishment request.

[0050] In this embodiment, no matter what type of access prohibition timer is currently running, the relay device will stop running the timer and initiate the RRC recovery request or the RRC establishment request. Specifically, stopping running the timer means terminating the timer, that is, when the relay device subsequently initiates a connection request for its own service, the timer will no longer work.

[0051] In a non-limiting embodiment of the present invention, Figure 1 The step S102 shown may include the following steps: when the timer type is the timing duration configured by the base station, initiating the RRC recovery request or the RRC establishment request, and prohibiting itself from initiating services before the timer expires.

[0052] Specifically, the timer type is T302.

[0053] In this embodiment, when the Relay receives a request from the Remote UE and needs to access the network, the timer T302 is only used for the service needs of the Relay itself, and does not involve the service needs of the Remote UE. In other words, the timer T302 is only for the service of the relay device itself, and will not limit the service of the remote user equipment. At this time, the Relay can continue to run the timer T302, that is, the Relay is not allowed to initiate a connection request for its own service needs, but the Relay is allowed to assume the relay role for the Remote UE, that is, the Relay is allowed to initiate a connection request for the service needs of the Remote UE.

[0054] In another non-limiting embodiment of the present invention, the relay device is prohibited from initiating the RRC recovery request or the RRC establishment request until the timer times out.

[0055] Specifically, the timer type is T302.

[0056] In this embodiment, when the Relay receives a request from the Remote UE and needs to access the network, the current mechanism continues to be used, that is, the Relay cannot initiate an RRC establishment request or an RRC recovery request for the service demand of the Remote UE before T302 times out.

[0057] It should be noted that the timer referred to in the embodiment of the present invention is not limited to T302, and may also be a timer configured by the base station for the relay with any name or in any form appearing in the evolution of subsequent communication technologies.

[0058] In a non-limiting embodiment of the present invention, Figure 1 The step S102 shown may include the following steps: when the timer type is a timing duration related to the access category, initiating the RRC recovery request or the RRC establishment request, and prohibiting itself from initiating a service request originating from the access category before the timer expires.

[0059] Specifically, the timer type is T390.

[0060] In this embodiment, the timer type is related to the access category, and the timer only limits the services of the relay device itself belonging to the access category. Then, the relay device can initiate the RRC recovery request or the RRC establishment request, but before the timer expires, it is prohibited to initiate services from the access category.

[0061] In another non-limiting embodiment of the present invention, initiation of the RRC recovery request or the RRC establishment request originating from the access category is prohibited until the timer expires.

[0062] Specifically, the timer type is T390.

[0063] Different from the above-mentioned embodiment, in this embodiment, the timer not only limits the services of the relay device itself belonging to the access category, but also limits the services of the remote UE belonging to the access category. Then, when the remote UE requests the relay device to access the network for the services belonging to the category, the relay device will not initiate the RRC recovery request or the RRC establishment request until the timer times out.

[0064] The above embodiment is an implementation method for when there is a timer for prohibiting access being run. When there is no timer for prohibiting access being run, the relay device will Figure 2 The process of the method shown implements access control.

[0065] like Figure 2 As shown, the relay communication method may include the following steps:

[0066] Step S201: receiving access indication information of a remote user equipment, where the access indication information is used to indicate a need to access a network;

[0067] Step S202: If there is no access prohibition timer in operation, access control is implemented according to the highest or second highest priority access parameter of the device itself, or according to the access parameter of the remote user equipment.

[0068] The specific implementation of step S201 may refer to the relevant embodiments of step S101 and will not be described in detail here.

[0069] In a specific implementation of step S202, the relay device may implement access control according to its own access parameters with the highest or second highest priority. The access parameters include access reasons, access categories, and / or access identities. That is, when the relay device implements access control for the service needs of the remote UE, it always uses access parameters with higher priority, thereby ensuring the access success rate and ensuring that the relay service can be provided to the remote UE in priority.

[0070] Specifically, there is a mapping relationship between the access reason and the access category, and when one of them is determined, the other can be determined. Specifically, when the Relay always implements access control based on the access reason with a higher priority, the Relay implements access control based on the access category corresponding to the access reason with a higher priority. When the upper layer of the user equipment (such as a relay device) initiates a service demand, it will indicate the access category and access identifier to the access layer of the user equipment, and will also indicate the access reason; the access layer of the user equipment implements access control based on the access category and access identifier, as well as the access control parameters in the system message, to determine whether access to the network is allowed.

[0071] In another specific implementation of step S202, the relay device may implement access control according to the access parameters of the remote user equipment, wherein the access parameters of the remote user equipment may be sent to the relay device in advance via a PC5RRC connection.

[0072] In a specific implementation, the following steps may be included before step S202: receiving access parameters of the remote user equipment. For example, when the remote UE indicates to the relay device through the PC5 RRC connection that it needs to access the network, it may also send the access parameters to the relay device.

[0073] In a non-limiting embodiment, the relay device may also implement access control according to its own access parameters.

[0074] In a non-limiting embodiment, when multiple remote user devices simultaneously request network access from a relay device, access parameters of the multiple remote user devices are sent to the relay device. In this case, the relay device can use the access parameters of the remote user device with the highest or second highest priority to implement access control, thereby improving the access success rate. "At the same time" here does not mean complete synchronization in time, there can be a certain difference. When the relay device receives network access requests from multiple remote user devices within a period of time, it implements access control based on the access parameters of the multiple user devices with the highest or second highest priority.

[0075] For example, the Relay receives service requests or connection requests from multiple Remote UEs. When performing access control, the Relay uses the highest priority or second highest priority access reason among the multiple Remote UEs as the access reason for implementing the access control this time.

[0076] It should be noted that the process of Relay performing access control according to the access category and access identifier is the same as the method specified in the existing protocol, and the embodiment of the present invention will not be repeated here.

[0077] Please refer to Figure 3 The embodiment of the present invention further discloses a relay communication device 30. The relay communication device 30 may include:

[0078] The receiving module 301 is used to receive access indication information of a remote user equipment, where the access indication information is used to indicate the need to access the network;

[0079] The request initiation module 302 is used to directly initiate an RRC recovery request or an RRC establishment request in response to receiving the access indication information, or, if there is a running access prohibition timer, determine whether to initiate an RRC recovery request or an RRC establishment request according to the type of the running timer to request to establish an RRC connection to forward the data or signaling of the remote user equipment.

[0080] The embodiments of the present invention can solve the access control problem when the relay device accesses the network due to the demand of the Remote UE, improve the access success rate of the relay device, and also take the load state of the network into consideration to avoid further congestion caused by re-accessing the network in a high load state.

[0081] Please refer to Figure 4 The embodiment of the present invention further discloses a relay communication device 40. The relay communication device 40 may include:

[0082] The indication information receiving module 401 is used to receive access indication information of a remote user equipment, where the access indication information is used to indicate the need to access the network;

[0083] The access control module 402 is configured to implement access control according to its own access parameter with the highest or second highest priority, or according to the access parameter of the remote user equipment, when there is no access prohibition timer in operation.

[0084] The embodiment of the present invention can improve the access success rate by implementing access control when there is no access prohibition timer in operation, so as to provide a relay service for a remote UE in priority.

[0085] For more information about the working principle and working mode of the relay communication device 30 and the relay communication device 40, please refer to Figure 1 to Figure 2 The relevant description in will not be repeated here.

[0086] In a specific implementation, the above-mentioned relay communication device 30 and relay communication device 40 can correspond to a chip with relay communication function in a relay device, such as SOC (System-On-a-Chip), baseband chip, etc.; or correspond to a chip module with relay communication function in a relay device; or correspond to a chip module with a data processing function chip, or correspond to a relay device.

[0087] Regarding the various modules / units included in the various devices and products described in the above embodiments, they can be software modules / units, or hardware modules / units, or they can be partially software modules / units and partially hardware modules / units. For example, for various devices and products applied to or integrated in a chip, the various modules / units included therein can all be implemented in the form of hardware such as circuits, or at least some of the modules / units can be implemented in the form of software programs, which run on a processor integrated inside the chip, and the remaining (if any) modules / units can be implemented in the form of hardware such as circuits; for various devices and products applied to or integrated in a chip module, the various modules / units included therein can all be implemented in the form of hardware such as circuits, and different modules / units can be located in the same component (such as a chip, circuit module, etc.) or different components of the chip module, or at least some of the modules / units can be implemented in the form of hardware such as circuits. The element can be implemented in the form of a software program, which runs on a processor integrated inside the chip module, and the remaining (if any) modules / units can be implemented in the form of hardware such as circuits; for various devices and products applied to or integrated in the terminal, the various modules / units contained therein can be implemented in the form of hardware such as circuits, and different modules / units can be located in the same component (for example, chip, circuit module, etc.) or in different components in the terminal, or, at least some modules / units can be implemented in the form of a software program, which runs on a processor integrated inside the terminal, and the remaining (if any) modules / units can be implemented in the form of hardware such as circuits.

[0088] The embodiment of the present invention also discloses a storage medium, which is a computer-readable storage medium and stores a computer program. When the computer program is run, it can execute Figure 1 or Figure 2 The steps of the relay communication method are shown in . The storage medium may include ROM, RAM, magnetic disk or optical disk, etc. The storage medium may also include non-volatile memory or non-transitory memory, etc.

[0089] The embodiment of the present invention further discloses a relay device, which may include a memory and a processor, wherein the memory stores a computer program that can be run on the processor. When the processor runs the computer program, it can execute Figure 1 or Figure 2 The steps of the method shown. The relay device may be a user device, specifically including but not limited to a mobile phone, a computer, a tablet computer and other terminal devices.

[0090] The technical solution of the present invention is also applicable to different network architectures, including but not limited to relay network architecture, dual-link architecture, Vehicle-to-Everything (vehicle-to-anything communication) architecture and other architectures.

[0091] The core network described in the embodiments of the present application may be an evolved packet core network (EPC for short), a 5G Core Network (5G Core Network), or a new core network in a future communication system. The 5G Core Network is composed of a group of devices, and implements access and mobility management functions (AMF) that implement mobility management and other functions, user plane functions (UPF) that provide packet routing and forwarding and QoS (Quality of Service) management and other functions, and session management functions (SMF) that provide session management, IP address allocation and management and other functions. The EPC may be composed of an MME that provides mobility management, gateway selection and other functions, a Serving Gateway (S-GW) that provides packet forwarding and other functions, and a PDN Gateway (P-GW) that provides terminal address allocation, rate control and other functions.

[0092] The base station (BS) in the embodiment of the present application, which may also be referred to as a base station device, is a device deployed in a radio access network (RAN) to provide wireless communication functions. For example, the device that provides base station functions in a 2G network includes a base transceiver station (BTS), the device that provides base station functions in a 3G network includes a node B (NodeB), the device that provides base station functions in a 4G network includes an evolved node B (evolvedNodeB, eNB), and in wireless local area networks (WLANs), the device that provides base station functions is an access point (AP), and the device that provides base station functions in 5G New Radio (NR) is a gNB, and a node B (ng-eNB) that continues to evolve, wherein the gNB and the terminal use NR technology for communication, and the ng-eNB and the terminal use E-UTRA (Evolved Universal Terrestrial Radio Access) technology for communication, and both the gNB and the ng-eNB can be connected to the 5G core network. The base station in the embodiment of the present application also includes a device that provides base station functions in a new communication system in the future.

[0093] The base station controller in the embodiment of the present application is a device for managing base stations, such as a base station controller (BSC) in a 2G network, a radio network controller (RNC) in a 3G network, and may also refer to a device for controlling and managing base stations in future new communication systems.

[0094] The network side network in the embodiment of the present invention refers to a communication network that provides communication services for a terminal, including a base station of a wireless access network, and may also include a base station controller of the wireless access network, and may also include equipment on the core network side.

[0095] The terminal in the embodiments of the present application may refer to various forms of user equipment (UE), access terminal, user unit, user station, mobile station, mobile station (MS), remote station, remote terminal, mobile device, user terminal, terminal equipment, wireless communication equipment, user agent or user device. The terminal equipment may also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device with wireless communication function, a computing device or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a future 5G network or a terminal device in a future evolved Public Land Mobile Network (PLMN), etc., and the embodiments of the present application are not limited to this.

[0096] The embodiment of the present application defines the unidirectional communication link from the access network to the terminal as a downlink, the data transmitted on the downlink is downlink data, and the transmission direction of the downlink data is called the downlink direction; and the unidirectional communication link from the terminal to the access network is an uplink, the data transmitted on the uplink is uplink data, and the transmission direction of the uplink data is called the uplink direction.

[0097] It should be understood that the term "and / or" in this article is only a description of the association relationship of the associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article indicates that the associated objects before and after are in an "or" relationship.

[0098] The "plurality" appearing in the embodiments of the present application refers to two or more.

[0099] The first, second, etc. descriptions appearing in the embodiments of the present application are only used for illustration and distinction of the description objects. There is no order, nor do they indicate any special limitation on the number of devices in the embodiments of the present application, and cannot constitute any limitation on the embodiments of the present application.

[0100] The "connection" that appears in the embodiments of the present application refers to various connection methods such as direct connection or indirect connection to achieve communication between devices, and the embodiments of the present application do not impose any limitations on this.

[0101] It should be understood that in the embodiments of the present application, the processor may be a central processing unit (CPU), and the processor may also be other general-purpose processors, digital signal processors (DSP), application specific integrated circuits (ASIC), field programmable gate arrays (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general-purpose processor may be a microprocessor or the processor may also be any conventional processor, etc.

[0102] It should also be understood that the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memories. Among them, the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. The volatile memory may be a random access memory (RAM), which is used as an external cache. By way of example but not limitation, many forms of random access memory (RAM) are available, such as static RAM (SRAM), dynamic random access memory (DRAM), synchronous DRAM (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link DRAM (SLDRAM) and direct rambus RAM (DR RAM).

[0103] The above embodiments can be implemented in whole or in part by software, hardware, firmware or any other combination. When implemented using software, the above embodiments can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions or computer programs. When the computer instructions or computer programs are loaded or executed on a computer, the process or function described in the embodiment of the present application is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions can be transmitted from one website site, computer, server or data center to another website site, computer, server or data center by wired or wireless means. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that contains one or more available media sets. The available medium can be a magnetic medium (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium. The semiconductor medium can be a solid-state hard disk.

[0104] It should be understood that in the various embodiments of the present application, the size of the serial numbers of the above-mentioned processes does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0105] In the several embodiments provided in the present application, it should be understood that the disclosed methods, devices and systems can be implemented in other ways. For example, the device embodiments described above are merely schematic; for example, the division of the units is only a logical function division, and there may be other division methods in actual implementation; for example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0106] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0107] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may be physically included separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of hardware plus software functional units.

[0108] The above-mentioned integrated unit implemented in the form of a software functional unit can be stored in a computer-readable storage medium. The above-mentioned software functional unit is stored in a storage medium, including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to perform some steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, referred to as ROM), random access memory (Random Access Memory, referred to as RAM), disk or optical disk and other media that can store program codes.

[0109] Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the scope defined by the claims.

Claims

1. A relay communication method, characterized in that: include: Receiving access indication information of a remote user equipment, where the access indication information is used to indicate a need to access a network; In response to receiving the access indication information, the timer for prohibiting access that is running is ignored, and an RRC recovery request or an RRC establishment request is directly initiated.

2. The relay communication method according to claim 1, characterized in that: The access prohibition timer includes timer T302 and / or T390.

3. The relay communication method according to claim 1, characterized in that: Before directly initiating an RRC recovery request or an RRC establishment request, the following step is also included: Receive access parameters of the remote user equipment.

4. The relay communication method according to claim 3, characterized in that: The access parameter includes at least one of: an access reason, an access category, and an access identifier.

5. The relay communication method according to claim 4, characterized in that: Also includes: The access reason for this access is set according to the access reason of the remote user equipment.

6. The relay communication method according to claim 5, characterized in that: In response to the number of the remote user equipment being multiple, the access reason of the remote user equipment with the highest priority is used to set the access reason for this access.

7. The relay communication method according to claim 1, characterized in that: Also includes: When the RRC recovery request or the RRC connection request is initiated, the running timer T302 or timer T390 is stopped.

8. A relay communication device, characterized in that: include: A receiving module, used to receive access indication information of a remote user equipment, wherein the access indication information is used to indicate a need to access a network; The request initiating module is used to ignore the timer that is running the access prohibition in response to receiving the access indication information, and directly initiate a connection recovery request or a connection establishment request.

9. The relay communication device according to claim 8, characterized in that: The receiving module is further configured to receive access parameters of the remote user equipment.

10. A storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the relay communication method according to any one of claims 1 to 7 are executed.

11. A relay device, comprising a memory and a processor, wherein the memory stores a computer program that can be run on the processor, characterized in that: When the processor runs the computer program, the processor performs the steps of the relay communication method according to any one of claims 1 to 7.

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