Communication method, apparatus and terminal

Abstract

The application discloses a communication method, device and terminal, and belongs to the technical field of communication. The method comprises the following steps: a relay terminal acquires target information; the relay terminal determines a relay communication service between the relay terminal and a remote terminal based on the target information; and in the case that the relay communication service is an emergency relay communication service, the relay terminal performs a target operation associated with the emergency relay communication service.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of communication, and particularly relates to a communication method, device and terminal. BACKGROUND

[0002] Relay communication aims to expand network coverage and improve user experience, so that terminals at the edge of the network or outside the network coverage can access the network through relay terminals within the network coverage and obtain network services. For relay communication, according to a relay service code (RSC), it can be known that a relay terminal can provide relay communication services, and a remote terminal can access the relay and enjoy services through the relay.

[0003] The existing relay terminal cannot determine the actual relay service to be performed by the remote terminal, and thus the network of the relay terminal cannot maintain the connectivity of the relay terminal, affecting the communication performance. SUMMARY

[0004] The embodiments of the present application provide a communication method, device and terminal, which can solve the problem that the existing relay terminal cannot determine the actual relay service to be performed by the remote terminal and it is difficult to match the corresponding communication performance.

[0005] In a first aspect, a communication method is provided, comprising:

[0006] A relay terminal acquires target information;

[0007] The relay terminal determines a relay communication service between the relay terminal and a remote terminal based on the target information;

[0008] In a case where the relay communication service is an emergency relay communication service, the relay terminal performs a target operation associated with the emergency relay communication service.

[0009] In a second aspect, a communication method is provided, comprising:

[0010] A remote terminal sends target information, which is used to determine that a relay communication service between a relay terminal and the remote terminal is an emergency relay communication service.

[0011] In a third aspect, a communication device is provided, comprising:

[0012] An acquisition module is configured to acquire target information;

[0013] A determination module is configured to determine a relay communication service between the relay terminal and a remote terminal based on the target information

[0014] The execution module is configured to execute a target operation associated with the emergency relay communication service when the relay communication service is the emergency relay communication service.

[0015] In a fourth aspect, a communication apparatus is provided, comprising:

[0016] The sending module is configured to send target information, which is used to determine whether a relay communication service between the relay terminal and the remote terminal is an emergency relay communication service.

[0017] In a fifth aspect, a terminal is provided, comprising a processor, a memory, and a program or instruction stored in the memory and executable in the processor, which, when executed by the processor, implements the steps of the communication method according to the first aspect or the second aspect.

[0018] In a sixth aspect, a readable storage medium is provided, which stores a program or instruction, which, when executed by a processor, implements the steps of the communication method according to the first aspect or the second aspect.

[0019] In a seventh aspect, a chip is provided, which comprises a processor and a communication interface, the communication interface being coupled to the processor, and the processor being configured to execute a network-side device program or instruction, and implement the steps of the communication method according to the first aspect or the second aspect.

[0020] In an eighth aspect, a program / program product is provided, which is stored in a readable storage medium, and which, when executed by a processor, implements the steps of the communication method according to the first aspect or the second aspect.

[0021] In the embodiments of the present application, a relay terminal acquires target information, determines a relay communication service between the relay terminal and a remote terminal based on the target information, and executes a target operation associated with the emergency relay communication service when the relay communication service is an emergency relay communication service. Since the relay terminal can determine whether the relay communication service between the relay terminal and the remote terminal is an emergency relay communication service based on the target information, the relay terminal can execute a target operation associated with the emergency relay communication service when the relay communication service is an emergency relay communication service, thereby meeting the emergency relay communication requirement of the remote terminal and improving the communication performance. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural diagram of a network system provided by the embodiments of the present application;

[0023] Figure 2 is one of flowcharts of communication methods provided by the embodiments of the present application;

[0024] Figure 3 is a flowchart of a communication method provided by an embodiment of the present application;

[0025] Figure 4a is a flowchart of a communication method provided by an embodiment of the present application;

[0026] Figure 4b is a flowchart of a communication method provided by an embodiment of the present application;

[0027] Figure 5 is a structural diagram of a communication device provided by an embodiment of the present application;

[0028] Figure 6 is another structural diagram of a communication device provided by an embodiment of the present application;

[0029] Figure 7 is a structural diagram of a communication device provided by an embodiment of the present application;

[0030] Figure 8 is a structural diagram of a terminal provided by an embodiment of the present application. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0032] 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 exchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by “first”, “second” are generally a category, and are not limited to the number of objects, for example, the first object can be one or more. In addition, the specification and claims “and / or” represent at least one of the connected objects, and the character “ / ” generally represents a “or” relationship between the front and rear associated objects. In the present application, ‘transmission’ means the transmission of signals, not the narrow sense of signal sending.

[0033] It is worth noting that the technology described in the embodiments of the present application is not limited to Long Term Evolution (LTE) / LTE-Advanced (LTE-A) systems, 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 in the above-mentioned systems and radio technologies, as well as in other systems and radio technologies. However, the following description describes a New Radio (NR) system for example purposes, and NR terminology is used in most of the following description, although these technologies can also be applied outside the NR system application, such as 6th Generation (6G) communication systems. th

[0034] Figure 1 ​A structure diagram of a wireless communication system to which embodiments of the present application can be applied is shown. The wireless communication system includes a terminal 11 and a network side device 12. The terminal 11 can also be referred to as a terminal device or a user terminal (User Equipment, UE). The terminal 11 can be a terminal side device such as a mobile phone, a tablet computer, a laptop computer, a personal digital assistant (PDA), a palm computer, a netbook, an ultra-mobile personal computer (UMPC), a mobile Internet device (MID), a wearable device, or a vehicle-mounted device (VUE), a pedestrian terminal (PUE), etc. 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 embodiments of the present application. The network side device 12 can be a base station or a core network. The base station can be referred to as a node B, an evolved node B, an access point, a base transceiver station (BTS), a radio base station, a radio transceiver, a basic service set (BSS), an extended service set (ESS), a node B, an evolved node B (eNB), a home node B, a home evolved node B, a WLAN access point, a WiFi node, a transmitting receiving point (TRP), or some other appropriate term in the art, as long as the same technical effects are achieved. The base station is not limited to a specific technical term, and it should be noted that only a base station in an NR system is taken as an example in the embodiments of the present application, but the specific type of the base station is not limited.

[0035] The communication method provided by the embodiments of the present application will be described in detail below in combination with the drawings, specific embodiments and application scenarios.

[0036] Please refer to Figure 2 , Figure 2 is a flowchart of a communication method provided by the embodiments of the present application. The communication method includes the following steps.

[0037] In step 201, the relay terminal acquires target information.

[0038] The target information can be configured or preconfigured by the network side device, or the target information can be sent by the remote terminal.

[0039] In step 202, the relay terminal determines a relay communication service between the relay terminal and the remote terminal based on the target information.

[0040] In step 203, in a case where the relay communication service is an emergency relay communication service, the relay terminal performs a target operation associated with the emergency relay communication service.

[0041] The target operation includes at least one of the following:

[0042] (1) setting a type of a registration request as a first type, the first type being used to indicate that the type of the registration request is emergency, for example, setting the type of the registration request as an emergency registration type;

[0043] (2) setting a type of a service request as a second type, the second type being used to indicate that the type of the service request is emergency, for example, setting the type of the service request as an emergency service request type;

[0044] (3) setting a type of a Protocol Data Unit (PDU) session request as a third type, the third type being used to indicate that the type of the PDU session request is emergency, for example, setting the type of the PDU session request as an emergency PDU session;

[0045] (4) setting a type of an access layer signaling message as a fifth type, the fifth type being used to indicate that the type of the access layer signaling message is emergency.

[0046] In the embodiment, the relay terminal obtains target information, determines a relay communication service between the relay terminal and the remote terminal based on the target information, and performs a target operation associated with the emergency relay communication service in a case where the relay communication service is an emergency relay communication service. Because the relay terminal can determine whether the relay communication service between the relay terminal and the remote terminal is an emergency relay communication service based on the target information, the relay terminal can perform the target operation associated with the emergency relay communication service in a case where the relay communication service is an emergency relay communication service, thereby meeting the emergency relay communication requirement of the remote terminal and improving communication performance.

[0047] In an embodiment of the present application, the relay terminal performing the target operation associated with the emergency relay communication service includes that the relay terminal performs the target operation associated with the emergency relay communication service according to a terminal state of the relay terminal. That is, the target operation can also be determined according to the terminal state of the relay terminal, and the terminal state can be a mobility restriction state or a congestion control state.

[0048] In an embodiment of the present application, in case that the relay terminal is in mobility restriction, e.g. service area restriction, the target operation further comprises at least one of the following:

[0049] (1) performing a relay discovery procedure, e.g. broadcasting a relay discovery request message, receiving and accepting a relay discovery request, sending a relay discovery accept message;

[0050] (2) performing a relay link setup procedure, e.g. sending a direct setup request, receiving and accepting a direct communication request, sending a direct communication accept message;

[0051] (3) maintaining a relay link connection, e.g. maintaining a relay link connection in case that there is already a relay link.

[0052] In another embodiment of the present application, in case that the relay terminal is in congestion control state, the target operation further comprises at least one of the following:

[0053] (1) performing a relay discovery procedure, e.g. broadcasting a relay discovery request message, receiving and accepting a relay discovery request, sending a relay discovery accept message;

[0054] (2) performing a relay link setup procedure, e.g. sending a direct setup request, receiving and accepting a direct communication request, sending a direct communication accept message.

[0055] (3) stopping a back-off timer, e.g. stopping a mobility back-off timer (T3346), a PDU session related congestion control timer, an access stratum related congestion back-off timer, etc.

[0056] (4) maintaining a relay link connection, e.g. maintaining a relay link connection in case that there is already a relay link.

[0057] The target information can be configured or pre-configured by a network side device, or sent by a remote terminal. In case that the target information is determined according to the configuration or pre-configuration by the network side device, the target information is used to indicate at least one of the following:

[0058] The type of relay communication service associated with the target relay service code (RSC) comprises a fifth type, and the fifth type is used to indicate that the type of relay communication service is emergency;

[0059] The data network name (DNN) information associated with the target RSC comprises first emergency service information;

[0060] The slice information associated with the target RSC comprises second emergency service information;

[0061] The type of the PDU session request associated with the target RSC includes a third type, the third type being used to indicate that the type of the PDU session request is emergency;

[0062] The target RSC is an RSC dedicated for emergency relay communication service, wherein the target RSC is an RSC associated with a relay communication service between the relay terminal and the remote terminal.

[0063] The first emergency service information includes at least one of the following:

[0064] (1) Emergency relay communication service indication, for example, the emergency relay communication service indication is used to indicate a specific RSC;

[0065] (2) Emergency service type;

[0066] (3) Emergency service identifier;

[0067] (4) DNN indication information;

[0068] The DNN indication information indicates a DNN used for emergency relay communication service.

[0069] The second emergency service information includes at least one of the following:

[0070] (1) Emergency relay communication service indication, for example, the emergency relay communication service indication is used to indicate a specific RSC;

[0071] (2) Emergency service type;

[0072] (3) Emergency service identifier;

[0073] (4) Slice indication information;

[0074] The slice indication information indicates a slice used for emergency relay communication service.

[0075] In an embodiment of the present application, when the target information is sent by the remote terminal, the target information includes at least one of the following:

[0076] (1) Emergency relay communication service indication, for example, the emergency relay communication service indication is used to indicate a specific RSC;

[0077] (2) Emergency service type;

[0078] (3) Emergency service identifier;

[0079] (4) DNN indication information;

[0080] (5) Slice indication information;

[0081] (6) RSC indication information;

[0082] The DNN indication information indicates a DNN for emergency relay communication service, and the DNN for emergency relay communication service is determined according to pre-configuration or network side configuration.

[0083] The slice indication information indicates a slice for emergency relay communication service, and the slice for emergency relay communication service is determined according to pre-configuration or network side configuration.

[0084] The RSC indication information indicates an RSC specially used for emergency relay communication service, and the RSC for emergency relay communication service is determined according to pre-configuration or network side configuration.

[0085] The relay terminal and the remote terminal need to be pre-configured with the DNN for emergency relay communication service, the slice for emergency relay communication service, and the RSC for emergency relay communication service, so that the relay terminal can know, based on the pre-configuration, whether the DNN indicated by the DNN indication information in the target information is the DNN for emergency relay communication service, whether the slice indicated by the slice indication information is the slice for emergency relay communication service, and whether the RSC indicated by the RSC indication information is the RSC for emergency relay communication service after receiving the target information.

[0086] In an embodiment of the present application, the target information is carried in at least one of the following:

[0087] A relay discovery request message;

[0088] A relay discovery accept message;

[0089] A direct establishment request message;

[0090] A direct establishment accept message;

[0091] Or a sidelink access layer message.

[0092] The target information is obtained by the relay terminal by listening to the relay discovery request message and / or the direct establishment request message of the remote terminal. For a relay terminal supporting emergency relay communication service, the relay terminal always listens to the relay discovery request message of the remote terminal, and the target information can be obtained by the relay terminal by listening to the relay discovery request message of the remote terminal.

[0093] Please refer to Figure 3 , Figure 3 is a flowchart of a communication method provided by an embodiment of the present application, as Figure 3 shown, the communication method provided by the embodiment of the present application comprises:

[0094] In step 301, the remote terminal sends target information used to determine that the relay communication service between the relay terminal and the remote terminal is an emergency relay communication service.

[0095] The target information includes at least one of the following:

[0096] The emergency relay communication service indication, the emergency service type, the emergency service identifier, the DNN indication information, the slice indication information, and the RSC indication information;

[0097] The DNN indication information indicates a DNN used for the emergency relay communication service.

[0098] The slice indication information indicates a slice used for the emergency relay communication service.

[0099] The RSC indication information indicates an RSC used only for the emergency relay communication service.

[0100] The target information is carried in at least one of the following:

[0101] A relay discovery request message;

[0102] A relay discovery acceptance message;

[0103] A direct establishment request message;

[0104] A direct establishment acceptance message;

[0105] Or a sidelink access layer message.

[0106] In this embodiment, the remote terminal sends target information used to determine that the relay communication service between the relay terminal and the remote terminal is an emergency relay communication service. Since the relay terminal can determine whether the relay communication service between the relay terminal and the remote terminal is an emergency relay communication service based on the target information, the relay terminal can perform a target operation associated with the emergency relay communication service when the relay communication service is an emergency relay communication service, thereby improving the communication performance between the relay terminal and the remote terminal.

[0107] The communication method provided by the present application is described below.

[0108] Figure 4a As shown in the flowchart of the communication method provided by the present application, Figure 4a As shown in the flowchart of the communication method provided by the present application,

[0109] In step 401a, the relay terminal performs a relay communication process according to the selected RSC.

[0110] In step 402a, the relay terminal acquires target information configured or preconfigured by the network side, for example, preconfigured by a protocol.

[0111] Step 403a, the relay terminal determines the selected RSC to associate with the emergency relay communication service based on the target information.

[0112] Step 404a, the relay terminal performs the target operation.

[0113] Figure 4b As shown in the flowchart of the communication method provided by the embodiment of the application, the communication method comprises the following steps: Figure 4b As shown, the communication method comprises the following steps:

[0114] Step 401b, the remote terminal sends a relay discovery request message, wherein the relay discovery request message carries target information, and the target information comprises at least one of the following:

[0115] Emergency service communication indication, the emergency service communication indication is associated with a specific RSC;

[0116] Emergency service type;

[0117] Emergency service identifier;

[0118] Specific DNN, which can represent emergency service information, and the specific DNN is preconfigured or configured by the network side;

[0119] Specific slice, which can represent emergency service information, and the specific slice is preconfigured or configured by the network side;

[0120] Dedicated RSC, which is used exclusively for emergency relay communication service, and the dedicated RSC is preconfigured or configured by the network side;

[0121] Step 402b, the relay terminal receives the target information and determines that the remote terminal needs to perform the emergency relay communication service based on the target information. For the specific DNN, the specific slice, and the dedicated RSC, the relay terminal and the remote terminal have the same configuration, so that the relay terminal can know whether the DNN, the slice, and the RSC determined according to the target information are the DNN, the slice, and the RSC used for the emergency relay communication service.

[0122] Step 403b, the relay terminal sends a relay discovery request reply message to the remote terminal;

[0123] Step 404b, the relay terminal performs the target operation based on the target information.

[0124] The communication method provided by the embodiment of the application can maintain the connectivity of the relay terminal in the network of the relay terminal, and perform the relay communication service for the remote terminal that wants to perform the emergency relay communication service in the case of mobility restriction and congestion control, thereby improving the communication performance between the remote terminal and the relay terminal and improving the user experience.

[0125] It should be noted that the communication method provided in the embodiments of the present application can be executed by a communication device, or a control module in the communication device for executing the communication method.

[0126] The following embodiments take the communication device executing the communication method as an example to illustrate the communication device provided in the embodiments of the present application.

[0127] Please refer to Figure 5 , Figure 5 is a structural diagram of a communication device provided in the embodiments of the present application, a first communication device 500, comprising:

[0128] The acquisition module 501 is configured to acquire target information.

[0129] The determination module 502 is configured to determine a relay communication service between the relay terminal and the remote terminal based on the target information.

[0130] The execution module 503 is configured to execute a target operation associated with the emergency relay communication service by the relay terminal in the case that the relay communication service is the emergency relay communication service.

[0131] Further, the target operation comprises at least one of the following:

[0132] Setting the type of the registration request as a first type, the first type being used to indicate that the type of the registration request is emergency;

[0133] Setting the type of the service request as a second type, the second type being used to indicate that the type of the service request is emergency;

[0134] Setting the type of the PDU session request as a third type, the third type being used to indicate that the type of the PDU session request is emergency;

[0135] Setting the type of the access layer signaling message as a fourth type, the fourth type being used to indicate that the type of the access layer signaling message is emergency.

[0136] Further, in the case that the relay terminal is in a mobility restriction, the target operation further comprises at least one of the following:

[0137] Executing a relay discovery process;

[0138] Executing a relay link establishment process;

[0139] Maintaining a relay link connection.

[0140] Further, in the case that the relay terminal is in a congestion control state, the target operation further comprises at least one of the following:

[0141] Executing a relay discovery process;

[0142] performing a relay link setup procedure;

[0143] stopping the back-off timer;

[0144] maintaining the relay link connection.

[0145] Further, the target information is determined according to network side device configuration or pre-configuration;

[0146] The target information is used to indicate at least one of the following:

[0147] The type of relay communication service associated with the target RSC includes a fifth type, and the fifth type is used to indicate that the type of relay communication service is emergency;

[0148] The DNN information associated with the target RSC includes first emergency service information;

[0149] The slice information associated with the target RSC includes second emergency service information;

[0150] The type of PDU session request associated with the target RSC includes a third type, and the third type is used to indicate that the type of PDU session request is emergency;

[0151] The target RSC is an RSC dedicated for emergency relay communication service, and the target RSC is an RSC associated with relay communication service between the relay terminal and the remote terminal.

[0152] Further, the first emergency service information includes at least one of the following:

[0153] Emergency relay communication service indication, emergency service type, emergency service identifier, and DNN indication information;

[0154] The DNN indication information indicates a DNN used for emergency relay communication service.

[0155] Further, the second emergency service information includes at least one of the following:

[0156] Emergency relay communication service indication, emergency service type, emergency service identifier, and slice indication information;

[0157] The slice indication information indicates a slice used for emergency relay communication service.

[0158] Further, the target information is sent by the remote terminal, and the target information includes at least one of the following:

[0159] The emergency relay communication service indication, the emergency service type, the emergency service identifier, the DNN indication information, the slice indication information, and the RSC indication information;

[0160] The DNN indication information indicates a DNN for the emergency relay communication service.

[0161] The slice indication information indicates a slice for the emergency relay communication service.

[0162] The RSC indication information indicates an RSC dedicated for the emergency relay communication service.

[0163] Further, the target information is carried in at least one of the following:

[0164] A relay discovery request message;

[0165] A relay discovery accept message;

[0166] A direct establishment request message;

[0167] A direct establishment accept message;

[0168] Or a sidelink access layer message.

[0169] Further, the target information is obtained by the relay terminal by listening to a relay discovery request message and / or a direct establishment request message of the remote terminal.

[0170] The first communication device 500 in the embodiments of the present application can be a device, and can also be a component, an integrated circuit, or a chip in a terminal.

[0171] The first communication device 500 in the embodiments of the present application can be a device with an operating system. The operating system can be an Android operating system, can be an ios operating system, and can also be other possible operating systems, and the embodiments of the present application do not make specific limitations.

[0172] The first communication device 500 provided in the embodiments of the present application can implement the method embodiments Figure 2 The method embodiments implement various processes and achieve the same technical effects. To avoid repetition, details are not described here.

[0173] Please refer to Figure 6 , Figure 6 is a structural diagram of a communication device provided in the embodiments of the present application, and the second communication device 600 comprises:

[0174] The sending module 601 is configured to send target information, and the target information is used to determine that a relay communication service between a relay terminal and a remote terminal is an emergency relay communication service.

[0175] Further, the target information comprises at least one of the following:

[0176] The emergency relay communication service indication, the emergency service type, the emergency service identifier, the DNN indication information, the slice indication information and the RSC indication information;

[0177] The DNN indication information indicates a DNN for the emergency relay communication service.

[0178] The slice indication information indicates a slice for the emergency relay communication service.

[0179] The RSC indication information indicates an RSC dedicated for the emergency relay communication service.

[0180] Further, the target information is carried in at least one of the following:

[0181] A relay discovery request message;

[0182] A relay discovery accept message;

[0183] A direct establishment request message;

[0184] A direct establishment accept message;

[0185] Or a sidelink access layer message.

[0186] The second communication device 600 in the embodiments of the present application can be a device, or a component, an integrated circuit or a chip in a terminal.

[0187] The second communication device 600 in the embodiments of the present application can be a device with an operating system. The operating system can be an Android operating system, an ios operating system or other possible operating systems, and the embodiments of the present application do not make specific limitations.

[0188] The second communication device 600 provided by the embodiments of the present application can implement each process of the method embodiments Figure 3 and achieve the same technical effects. To avoid repetition, details are not described here.

[0189] Optionally, as shown in Figure 7 the embodiments of the present application also provide a communication device 70, which includes a processor 71, a memory 72, a program or instruction stored in the memory 72 and executable on the processor 71. For example, when the communication device 70 is a terminal, the program or instruction is executed by the processor 71 to implement each process of the communication method embodiments Figure 2 as shown above, and can achieve the same technical effects.

[0190] Figure 8A hardware structure diagram of a terminal according to an embodiment of the present application.

[0191] The terminal 1000 includes, but is not limited to, a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009, and a processor 1010, etc.

[0192] Those skilled in the art can understand that the terminal 1000 can also include a power supply (such as a battery) for supplying power to each component, and the power supply can be logically connected to the processor 1010 through a power management system, so as to realize the functions of power management, such as charging, discharging, and power consumption management, through the power management system. Figure 8 The terminal structure shown in the figure does not constitute a limitation on the terminal, and the terminal can include more or fewer components than the figure, or combine certain components, or different component arrangements, which are not described here.

[0193] It should be understood that in the embodiments of the present application, the input unit 1004 can include a graphics processing unit (GPU) 10041 and a microphone 10042. The graphics processing unit 10041 processes image data of a still picture or a video obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. The display unit 1006 can include a display panel 10061, which can be configured in the form of a liquid crystal display, an organic light-emitting diode, etc. The user input unit 1007 includes a touch panel 10071 and other input devices 10072. The touch panel 10071 is also called a touch screen. The touch panel 10071 can include two parts of a touch detection device and a touch controller. The other input devices 10072 can include, but are not limited to, a physical keyboard, function keys (such as volume control keys, on-off keys, etc.), trackballs, mice, joysticks, etc., which are not described here.

[0194] In the embodiments of the present application, the radio frequency unit 1001 receives the downlink data from the network side device and processes it for the processor 1010. In addition, the uplink data is sent to the base station. Generally, the radio frequency unit 1001 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.

[0195] The memory 1009 can be used to store software programs or instructions and various data. The memory 1009 can mainly include a storage program or instruction area and a storage data area, wherein the storage program or instruction area can store an operating system, application programs or instructions required by at least one function (such as a sound playing function, an image playing function, etc.), etc. In addition, the memory 1009 can include a high-speed random access memory, and can also include a non-volatile memory, which can be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable Programmable ROM (EPROM), an Electrically EPROM (EEPROM), or a flash memory. For example, at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state memory device.

[0196] The processor 1010 can include one or more processing units; optionally, the processor 1010 can 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, and the modem processor mainly processes wireless communication, such as a baseband processor. It can be understood that the above-mentioned modem processor can also not be integrated into the processor 1010.

[0197] In an embodiment of the present application, the radio frequency unit 1001 is configured to obtain target information;

[0198] The processor 1010 is configured to determine, by the relay terminal, a relay communication service between the relay terminal and a remote terminal based on the target information, and perform a target operation associated with the emergency relay communication service in a case where the relay communication service is an emergency relay communication service.

[0199] Further, the target operation includes at least one of:

[0200] Setting a type of the registration request as a first type, the first type being used to indicate that the type of the registration request is emergency;

[0201] Setting a type of the service request as a second type, the second type being used to indicate that the type of the service request is emergency;

[0202] Setting a type of the PDU session request as a third type, the third type being used to indicate that the type of the PDU session request is emergency;

[0203] Setting a type of the access layer signaling message as a fourth type, the fourth type being used to indicate that the type of the access layer signaling message is emergency.

[0204] Further, the processor 1010 is further configured to perform a target operation associated with the emergency relay communication service according to the terminal state.

[0205] Further, in a case where the relay terminal is in a mobility restriction, the target operation further includes at least one of:

[0206] performing a relay discovery procedure;

[0207] performing a relay link setup procedure;

[0208] maintaining a relay link connection.

[0209] Further, in a case where the relay terminal is in a congestion control state, the target operation further includes at least one of:

[0210] performing a relay discovery procedure;

[0211] performing a relay link setup procedure;

[0212] stopping a back-off timer;

[0213] maintaining a relay link connection.

[0214] Further, the target information is determined according to network side device configuration or pre-configuration;

[0215] The target information is used to indicate at least one of:

[0216] The type of relay communication service associated with the target relay service code (RSC) includes a fifth type, and the fifth type is used to indicate that the type of relay communication service is emergency;

[0217] The DNN information associated with the target RSC includes first emergency service information;

[0218] The slice information associated with the target RSC includes second emergency service information;

[0219] The type of PDU session request associated with the target RSC includes a third type, and the third type is used to indicate that the type of PDU session request is emergency;

[0220] The target RSC is an RSC dedicated for emergency relay communication service, and the target RSC is an RSC associated with a relay communication service between the relay terminal and the remote terminal.

[0221] Further, the first emergency service information includes at least one of:

[0222] emergency relay communication service indication, emergency service type, emergency service identifier, and DNN indication information;

[0223] The DNN indication information indicates a DNN for the emergency relay communication service.

[0224] Further, the second emergency service information includes at least one of:

[0225] emergency relay communication service indication, emergency service type, emergency service identifier, and slice indication information;

[0226] The slice indication information indicates a slice for the emergency relay communication service.

[0227] Further, the target information is sent by the remote terminal, and the target information includes at least one of:

[0228] emergency relay communication service indication, emergency service type, emergency service identifier, DNN indication information, slice indication information, and RSC indication information;

[0229] The DNN indication information indicates a DNN for the emergency relay communication service.

[0230] The slice indication information indicates a slice for the emergency relay communication service.

[0231] The RSC indication information indicates an RSC dedicated for the emergency relay communication service.

[0232] Further, the target information is carried in at least one of:

[0233] relay discovery request message;

[0234] relay discovery accept message;

[0235] direct establishment request message;

[0236] direct establishment accept message;

[0237] in a sidelink access layer message.

[0238] Further, the target information is obtained by the relay terminal by listening to a relay discovery request message and / or a direct establishment request message of the remote terminal.

[0239] In another embodiment of the present application, the radio frequency unit 1001 is configured to send target information, and the target information is used to determine that a relay communication service between the relay terminal and the remote terminal is an emergency relay communication service.

[0240] Further, the target information includes at least one of:

[0241] An emergency relay communication service indication, an emergency service type, an emergency service identity, DNN indication information, slice indication information, and RSC indication information;

[0242] The DNN indication information indicates a DNN for the emergency relay communication service.

[0243] The slice indication information indicates a slice for the emergency relay communication service.

[0244] The RSC indication information indicates an RSC dedicated for the emergency relay communication service.

[0245] Further, the target information is carried in at least one of the following:

[0246] A relay discovery request message;

[0247] A relay discovery accept message;

[0248] A direct establishment request message;

[0249] A direct establishment accept message;

[0250] Or a sidelink access layer message.

[0251] The terminal 1000 provided in the above embodiments can implement each process implemented by the method embodiments and achieve the same technical effects. To avoid repetition, details are not described herein.

[0252] The embodiments of the present application also provide a readable storage medium, which stores a program or instructions, and the program or instructions are executed by a processor to implement Figure 2 or Figure 3 each process of the method embodiments, and can achieve the same technical effects. To avoid repetition, details are not described herein.

[0253] The processor is the processor in the terminal or the network side device in the above embodiments. The readable storage medium includes a computer readable storage medium, such as a computer readable memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, etc.

[0254] The embodiments of the present application further provide a chip, which includes a processor and a communication interface. The communication interface is coupled with the processor. The processor is configured to run a network side device program or instructions to implement each process of the above method embodiments, and can achieve the same technical effects. To avoid repetition, details are not described herein.

[0255] It should be understood that the chip mentioned in the embodiments of the present application can also be referred to as a system chip, a system chip, a chip system, or a system on chip, etc.

[0256] The embodiments of the present application further provide a program / program product stored in a readable storage medium, which is executed by a processor to implement the processes of the method embodiments and achieve the same technical effects. To avoid repetition, details are not described herein.

[0257] It should be noted that in this document, the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusions, so that processes, methods, articles, or devices that include a series of elements not only include those elements, but also include other elements not explicitly listed, or further include elements inherent to such processes, methods, articles, or devices. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or device comprising 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 the order of performing the functions shown or discussed, but can also include performing the functions in a substantially simultaneous manner or in reverse order, for example, the described method can be performed in an order different from that described, and various steps can be added, omitted, or combined. In addition, the features described with reference to certain examples can be combined in other examples.

[0258] From the above description of the embodiments, those skilled in the art can clearly understand that the above-mentioned method embodiments can be realized by means of software and necessary general hardware platforms, of course, they can also be realized by hardware, but in many cases the former is a better embodiment. Based on such understanding, the technical solutions of the present application can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) and includes a plurality of instructions for making a terminal (which can be a mobile phone, computer, server, air conditioner, or network, etc.) execute the methods described in the embodiments of the present application.

[0259] The embodiments of the present application are described above in combination with the drawings, but the present application is not limited to the above specific embodiments, which are only illustrative and not limiting. Those skilled in the art can make many forms under the inspiration of the present application without departing from the scope of the present application and the protection scope of the claims.

Claims

1. A communication method, characterized in that, include: The relay terminal acquires target information; Based on the target information, the relay terminal determines the relay communication service between the relay terminal and the remote terminal; When the relay communication service is an emergency relay communication service, the relay terminal performs the target operation associated with the emergency relay communication service; The target information is sent by the remote terminal, and the target information includes at least one of the following: Emergency relay communication service indication, emergency service type, emergency service identifier, DNN indication information, slice indication information, and RSC indication information; The DNN indication information indicates the DNN used for emergency relay communication services; The DNN indication information indicates the DNN used for emergency relay communication services; The RSC indication information indicates an RSC specifically used for emergency relay communication services.

2. The method according to claim 1, characterized in that, The target operation includes at least one of the following: The registration request type is set to Type 1, where Type 1 indicates that the registration request is urgent. The service request type is set to the second type, which indicates that the service request is urgent. The type of Protocol Data Unit (PDU) session request is set to Type 3, where Type 3 indicates that the PDU session request is urgent. The access layer signaling message type is set to the fourth type, which indicates that the access layer signaling message type is emergency.

3. The method according to claim 2, characterized in that, The relay terminal performs the target operation associated with the emergency relay communication service, including: The relay terminal performs the target operation associated with the emergency relay communication service based on the terminal status.

4. The method according to claim 3, characterized in that, When the relay terminal is under mobility restrictions, the target operation further includes at least one of the following: Perform the relay discovery process; Perform the relay link establishment process; Maintain the relay link connection.

5. The method according to claim 3, characterized in that, When the relay terminal is in a congestion control state, the target operation further includes at least one of the following: Perform the relay discovery process; Perform the relay link establishment process; Stop the backoff timer; Maintain the relay link connection.

6. The method according to claim 1, characterized in that, The target information is determined based on network-side device configuration or pre-configuration; The target information is used to indicate at least one of the following: The type of relay communication service associated with the target relay service code RSC includes a fifth type, which is used to indicate that the type of relay communication service is emergency; The data network name (DNN) information associated with the target RSC includes first emergency service information; The slice information associated with the target RSC includes second emergency service information; The type of the PDU session request associated with the target RSC includes a third type, which is used to indicate that the type of the PDU session request is urgent; The target RSC is an RSC dedicated to emergency relay communication services, wherein the target RSC is the RSC associated with the relay communication service between the relay terminal and the remote terminal.

7. The method according to claim 6, characterized in that, The first emergency service information includes at least one of the following: Emergency relay communication service indication, emergency service type, emergency service identifier, and DNN indication information; The DNN indication information indicates the DNN used for emergency relay communication services.

8. The method according to claim 6, characterized in that, The second emergency business information includes at least one of the following: Emergency relay communication service indication, emergency service type, emergency service identifier, and slice indication information; The slice indication information indicates the slice used for emergency relay communication services.

9. The method according to claim 1, characterized in that, The target information is carried in at least one of the following: Relay discovery request message; Relay discovery and message reception; Establish a request message directly; Establish message receiving directly; In the secondary link access layer message.

10. A communication method, characterized in that, include: The remote terminal sends target information, which is used to determine that the relay communication service between the relay terminal and the remote terminal is an emergency relay communication service; The target information includes at least one of the following: Emergency relay communication service indication, emergency service type, emergency service identifier, DNN indication information, slice indication information, and RSC indication information; The DNN indication information indicates the DNN used for emergency relay communication services; The slice indication information indicates a slice used for emergency relay communication services; The RSC indication information indicates an RSC specifically used for emergency relay communication services.

11. The method according to claim 10, characterized in that, The target information is carried in at least one of the following: Relay discovery request message; Relay discovery and message reception; Establish a request message directly; Establish message receiving directly; In the secondary link access layer message.

12. A communication device, characterized in that, include: The acquisition module is used to acquire target information; The determination module is used to determine the relay communication service between the relay terminal and the remote terminal based on the target information. An execution module is configured to perform the target operation associated with the emergency relay communication service when the relay communication service is an emergency relay communication service. The target information is sent by the remote terminal, and the target information includes at least one of the following: Emergency relay communication service indication, emergency service type, emergency service identifier, DNN indication information, slice indication information, and RSC indication information; The DNN indication information indicates the DNN used for emergency relay communication services; The slice indication information indicates a slice used for emergency relay communication services; The RSC indication information indicates an RSC specifically used for emergency relay communication services.

13. The apparatus according to claim 12, characterized in that, The target operation includes at least one of the following: The registration request type is set to Type 1, where Type 1 indicates that the registration request is urgent. The service request type is set to the second type, which indicates that the service request is urgent. The type of Protocol Data Unit (PDU) session request is set to Type 3, where Type 3 indicates that the PDU session request is urgent. The access layer signaling message type is set to the fourth type, which indicates that the access layer signaling message type is emergency.

14. A communication device, characterized in that, include: The sending module is used to send target information, which is used to determine that the relay communication service between the relay terminal and the remote terminal is an emergency relay communication service. The target information includes at least one of the following: Emergency relay communication service indication, emergency service type, emergency service identifier, data network name (DNN) indication information, slice indication information, and RSC indication information; The DNN indication information indicates the DNN used for emergency relay communication services; The slice indication information indicates a slice used for emergency relay communication services; The RSC indication information indicates an RSC specifically used for emergency relay communication services.

15. A terminal, characterized in that, It includes a processor, a memory, and a program or instructions stored in the memory and executable on the processor, wherein the program or instructions, when executed by the processor, implement the steps of the communication method as described in any one of claims 1 to 11.

16. A readable storage medium, characterized in that, The readable storage medium stores a program or instructions that, when executed by a processor, implement the steps of the communication method as described in any one of claims 1 to 11.

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