Wireless communication method and apparatus, terminal and network device

Abstract

The embodiment of the application discloses a wireless communication method and device, a terminal and a network device, the method comprises the following steps: the terminal determines a target network; the terminal sends first indication information to the network device, and the first indication information is used for indicating the target network; or the terminal establishes a plurality of signaling radio bearers with the network device, and the plurality of signaling radio bearers comprises a first signaling radio bearer, and the first signaling radio bearer is used for transmitting non-access layer signaling to the target network; the network device acquires the first indication information from the terminal; or the network device establishes a plurality of signaling radio bearers with the terminal; and the network device determines the target network of the terminal through the first indication information or the first signaling radio bearer, so that the terminal determines the network to which indoor (local) signaling or data needs to be sent, and the implementability and efficiency of local distribution are ensured without relying on the core network control of a mobile operator.

Description

Technical Field

[0001] This application relates to the field of communication technology, and in particular to a wireless communication method and apparatus, terminal and network equipment. Background Technology

[0002] Currently, the 3rd Generation Partnership Project (3GPP) has launched research projects related to indoor small cells in its NR (New Radio) Release 18. These indoor small cells are also known as residential 5G or 5G-Residential. The main scenario for indoor 5G is to provide indoor communication coverage through defined indoor (local) network devices, such as 5G access points (5GAPs), Premises Radio Access Stations (PRASs), or Evolved Residential Gateways (eRGs).

[0003] Typically, signaling or data within an indoor (local) environment needs to be sent to different indoor and outdoor networks, a process known as indoor (local) signaling or data offloading. For example, signaling or data may need to be sent to the local core network (i.e., the indoor network), the mobile operator's core network (i.e., the outdoor network), or the Internet (i.e., the outdoor network).

[0004] Furthermore, indoor (local) signaling or data offloading typically relies on the mobile operator's core network control (i.e., outdoor network equipment control). For example, the mobile operator's core network needs to determine whether signaling or data offloading is possible and needs to establish corresponding bearers or resources for it. However, the control of the signaling or data offloading process by the mobile operator's core network may have the following problems: on the one hand, it is inflexible, causing user concerns about billing; on the other hand, if the mobile operator's core network is unreachable, it will prevent the mobile operator's core network from controlling the signaling or data offloading, thus affecting the implementation, promotion, and efficiency of the local offloading mechanism. Therefore, how to consider implementing indoor (local) signaling or data offloading directly indoors (locally) without relying on outdoor network equipment control requires further research. Summary of the Invention

[0005] This application provides a wireless communication method and apparatus, terminal and network device, which aims to enable the terminal to determine the network it needs to send indoor (local) signaling or data to, without relying on the core network control of the mobile operator, thereby ensuring the feasibility and efficiency of local traffic offloading.

[0006] In a first aspect, embodiments of this application provide a wireless communication method, including:

[0007] The terminal determines the target network;

[0008] The terminal sends a first indication information to the network device, the first indication information being used to indicate the target network; or, the terminal establishes multiple signaling radio bearers with the network device, the multiple signaling radio bearers including a first signaling radio bearer, the first signaling radio bearer being used to transmit non-access stratum signaling to the target network.

[0009] Secondly, embodiments of this application provide a wireless communication method, including:

[0010] The network device obtains first indication information from the terminal, the first indication information being used to indicate a target network; or, the network device establishes multiple signaling radio bearers with the terminal, the multiple signaling radio bearers including a first signaling radio bearer, the first signaling radio bearer being used to transmit non-access stratum signaling to the target network;

[0011] The network device determines the target network of the terminal through the first indication information or the first signaling radio bearer.

[0012] Thirdly, embodiments of this application provide a wireless communication device, the device including a processing unit and a communication unit, the processing unit being used for:

[0013] Determine the target network;

[0014] The communication unit sends a first indication message to the network device, the first indication message being used to indicate the target network; or, the communication unit establishes multiple signaling radio bearers with the network device, the multiple signaling radio bearers including a first signaling radio bearer, the first signaling radio bearer being used to transmit non-access stratum signaling to the target network.

[0015] Fourthly, embodiments of this application provide a wireless communication device, the device including a processing unit and a communication unit, the processing unit being used for:

[0016] The communication unit obtains first indication information from the terminal, the first indication information being used to indicate the target network; or, the communication unit establishes multiple signaling radio bearers with the terminal, the multiple signaling radio bearers including a first signaling radio bearer, the first signaling radio bearer being used to transmit non-access stratum signaling to the target network;

[0017] The target network of the terminal is determined by the first indication information or the first signaling radio bearer.

[0018] Fifthly, embodiments of this application provide a terminal including a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the processor, and the one or more programs include instructions for performing the steps in the first aspect of embodiments of this application.

[0019] In a sixth aspect, embodiments of this application provide a network device including a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the processor, and the one or more programs include instructions for performing the steps in the second aspect of embodiments of this application.

[0020] In a seventh aspect, embodiments of this application provide a computer-readable storage medium storing a computer program for electronic data interchange, wherein the computer program causes a computer to perform some or all of the steps described in the first or second aspect of embodiments of this application.

[0021] Eighthly, embodiments of this application provide a computer program operable to cause a computer to perform some or all of the steps described in the first or second aspects of embodiments of this application. The computer program may be a software installation package.

[0022] As can be seen, the terminal determines the target network; the terminal sends a first indication message to the network device, which indicates the target network; the network device obtains the first indication message from the terminal; and the network device determines the terminal's target network through the first indication message. In indoor communication scenarios, the terminal sends the first indication message to the network device to directly and explicitly indicate the target network, thereby enabling the terminal to determine the network it needs to send indoor (local) signaling or data to, without relying on the mobile operator's core network control, ensuring the feasibility and efficiency of local traffic offloading. Simultaneously, the network device determines the target network through the first indication message, meaning the network device directly and explicitly knows the network (i.e., the target network) that the terminal needs to send indoor (local) signaling or data to, so as to subsequently establish access to the target network for the terminal, ensuring the feasibility and efficiency of local traffic offloading. Alternatively,

[0023] The terminal determines the target network; the terminal establishes multiple signaling radio bearers with the network device, including a first signaling radio bearer used for transmitting non-access stratum (NAS) signaling to the target network; the network device establishes these multiple signaling radio bearers with the terminal; the network device determines the terminal's target network through the first signaling radio bearer. In indoor communication scenarios, the terminal establishes multiple signaling radio bearers with the network device, including a first signaling radio bearer used for transmitting NAS signaling to the target network. This implicitly indicates the target network through the first signaling radio bearer, enabling the terminal to determine the network it needs to send indoor (local) signaling or data to, without relying on the mobile operator's core network control, ensuring the feasibility and efficiency of local traffic offloading. Simultaneously, the network device determines the target network through the first signaling radio bearer, implicitly knowing the network (i.e., the target network) to which the terminal needs to send indoor (local) signaling or data, thus facilitating subsequent access establishment for the terminal to the target network and ensuring the feasibility and efficiency of local traffic offloading. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the architecture of a wireless communication system provided in an embodiment of this application;

[0026] Figure 2 This is a flowchart illustrating a wireless communication method provided in an embodiment of this application;

[0027] Figure 3 This is a flowchart illustrating another wireless communication system provided in an embodiment of this application;

[0028] Figure 4 This is a functional unit block diagram of a wireless communication device provided in an embodiment of this application;

[0029] Figure 5 This is a functional unit block diagram of another wireless communication device provided in the embodiments of this application;

[0030] Figure 6 This is a schematic diagram of the structure of a terminal provided in an embodiment of this application;

[0031] Figure 7 This is a schematic diagram of the structure of a network device provided in an embodiment of this application. Detailed Implementation

[0032] To help those skilled in the art better understand the technical solutions of this application, the technical solutions in the embodiments of this application are described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art without creative effort regarding the embodiments of this application are within the scope of protection of this application.

[0033] The terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, software, product, or apparatus that includes a series of steps or units is not limited to the listed steps or units, but also includes steps or units not listed, or other steps or units inherent to such processes, methods, products, or apparatus.

[0034] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0035] It should be noted that the term "connection" in this application embodiment refers to various connection methods, such as direct or indirect connection, to achieve communication between devices, and is not limited in any way. The terms "network" and "system" in this application embodiment refer to the same concept; a communication system is a communication network. The term "splitting" in this application embodiment refers to sending signaling or data to different networks. The term "multiple" in this application embodiment refers to two or more networks.

[0036] The technical solutions of this application embodiment can be applied to various wireless communication systems, such as: Global System for Mobile communication (GSM) system, Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, Advanced Long Term Evolution (LTE-A) system, New Radio (NR) system, evolution of NR system, LTE-based Access to Unlicensed Spectrum (LTE-U) system, NR-based Access to Unlicensed Spectrum (NR-U) system, Non-Terrestrial Networks (NTN) system, Universal Mobile Telecommunication System (UMTS), and Wireless Local Area Network (WLAN). Networks, WLAN, Wireless Fidelity (WiFi), 6th-Generation (6G) communication systems, or other communication systems, etc.

[0037] It should be noted that traditional wireless communication systems support a limited number of connections and are easy to implement. However, with the development of communication technology, wireless communication systems can support not only traditional wireless communication systems, but also communication such as device-to-device (D2D), machine-to-machine (M2M), machine-type communication (MTC), vehicle-to-vehicle (V2V), vehicle-to-everything (V2X), and narrowband internet of things (NB-IoT). Therefore, the technical solutions of the embodiments in this application can also be applied to the above-mentioned wireless communication systems.

[0038] Optionally, the wireless communication system of this application embodiment can be applied to beamforming, carrier aggregation (CA), dual connectivity (DC), or standalone (SA) deployment scenarios.

[0039] Optionally, the wireless communication system of this embodiment can be applied to unlicensed spectrum. Unlicensed spectrum can also be considered as shared spectrum. Alternatively, the wireless communication system of this embodiment can also be applied to licensed spectrum. Licensed spectrum can also be considered as non-shared spectrum.

[0040] Since the embodiments of this application may be described in conjunction with terminals and network devices, the terminals and network devices involved will be described in detail below.

[0041] Specifically, a terminal can be user equipment (UE), a remote UE, a relay UE, an access terminal, a user unit, a user station, a mobile station, a mobile station, a remote station, a mobile device, a user terminal, a smart terminal, a wireless communication device, a user agent, or a user device. It should be noted that a relay device is a terminal capable of providing relay forwarding services to other terminals (including remote terminals). Additionally, a terminal can 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 capabilities, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal in a next-generation communication system (such as an NR communication system), or a terminal in a future public land mobile network (PLMN), etc., without specific limitations.

[0042] Furthermore, the terminals can be deployed on land, including indoors or outdoors, handheld, wearable, or vehicle-mounted; they can be deployed on water (such as ships); and they can also be deployed in the air (such as airplanes, balloons, and satellites).

[0043] Furthermore, the terminal can be a mobile phone, a tablet computer, a computer with wireless transceiver capabilities, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in autonomous driving, a wireless terminal device in remote medical care, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, or a wireless terminal device in a smart home, etc.

[0044] Furthermore, the terminal may include a device with transceiver capabilities, such as a chip system. The chip system may include a chip, and may also include other discrete components.

[0045] Specifically, network equipment can be devices used for communication with terminals. It can be responsible for radio resource management (RRM), quality of service (QoS) management, data compression and encryption, data transmission and reception, signaling or data offloading, etc. on the air interface side. It can be responsible for access such as fixed broadband, Internet, local area network, local core network, and mobile operator core network.

[0046] Furthermore, network equipment may include residential gateways (RG), evolved residential gateways (eRG), home (evolved) node base stations (H(e)NB), premises radio access stations (PRAS), and 5G access points (5G AP). PRAS and eRG can be collectively referred to as 5G APs or indoor 5G (5G-resident, or residential 5G) devices, thereby enhancing indoor coverage. PRAS provides air interface coverage, enabling terminals to access the network via the Uu interface. eRG enables terminals to access fixed broadband, the Internet, and the mobile operator's core network, such as 5GC (5G corenetwork) or EPC (Evolved Packet Core). Furthermore, eRG can directly connect the terminal to the mobile operator's core network, or it can connect the terminal to the mobile operator's core network through the mobile operator's access network, without specific restrictions. Similarly, internet access can be achieved through the mobile operator's core network or through the local core network, without specific restrictions.

[0047] Furthermore, network equipment may include base stations (BS) in communication systems or equipment deployed in radio access networks (RAN) to provide wireless communication functions. Examples include base transceiver stations (BTS) in GSM or CDMA communication systems, node Bs (NBs) in WCDMA communication systems, evolved node Bs (eNBs or eNodeBs) in LTE communication systems, next-generation evolved node Bs (ng-eNBs) in NR communication systems, next-generation node Bs (gNBs) in NR communication systems, master nodes (MNs) in dual-link architectures, and secondary nodes (SNs) in dual-link architectures, without specific limitations.

[0048] Furthermore, network devices may include device entities in the local core network, such as local access and mobility management function (AMF), local session management function (SMF), and local user plan function (UPF).

[0049] Furthermore, network equipment may include equipment entities in the core network of a mobile operator, such as access and mobility management function (AMF), session management function (SMF), authentication server function (AUSF), user plan function (UPF), policy control function (PCF), unified data management (UDM), network function repository function (NRF), network slice selection function (NSSF), and network exposure function (NEF).

[0050] Furthermore, network equipment may include access point (AP) equipment, relay stations, communication equipment in future PLMN networks, communication equipment in NTN networks, etc.

[0051] Furthermore, network devices may include means for providing wireless communication capabilities to terminals, such as a chip system. For example, a chip system may include a chip, and may also include other discrete components.

[0052] Furthermore, network devices can communicate with Internet Protocol (IP) networks, such as the Internet, private IP networks, or other data networks.

[0053] It should be noted that in some network deployments, a network device can be a standalone node to implement all the functions of the aforementioned base station. This can include centralized units (CUs) and distributed units (DUs), such as gNB-CU and gNB-DU; it can also include active antenna units (AAUs). The CU can implement some of the network device's functions, and so can the DU. For example, the CU is responsible for handling non-real-time protocols and services, implementing the functions of the radio resource control (RRC) layer, service data adaptation protocol (SDAP) layer, and packet data convergence protocol (PDCP) layer. The DU is responsible for handling physical layer protocols and real-time services, implementing the functions of the radio link control (RLC) layer, medium access control (MAC) layer, and physical (PHY) layer. Additionally, the AAU can implement some physical layer processing functions, radio frequency processing, and related functions of the active antenna. Since RRC layer information ultimately becomes PHY layer information, or is derived from PHY layer information, in this network deployment, higher-layer signaling (such as RRC layer signaling) can be considered to be sent by the DU, or jointly by the DU and AAU. It is understood that network devices can include at least one of CU, DU, and AAU. Furthermore, the CU can be classified as a network device in the radio access network (RAN), or it can be classified as a network device in the core network; no specific limitation is made in this regard.

[0054] Furthermore, the network equipment can possess mobility characteristics; for example, the network equipment can be a mobile device. Optionally, the network equipment can be a satellite or a balloon station. For example, the satellite can be a low Earth orbit (LEO) satellite, a medium Earth orbit (MEO) satellite, a geostationary earthorbit (GEO) satellite, or a high elliptical orbit (HEO) satellite. Optionally, the network equipment can also be a base station located on land, water, or other similar locations.

[0055] Furthermore, network equipment can provide services to a cell, and terminals within that cell can communicate with the network equipment through transmission resources (such as spectrum resources). This cell can include macrocells, small cells, metro cells, microcells, picocells, and femtocells, among others.

[0056] Based on the above description, the wireless communication system of this application embodiment will be described below as an example.

[0057] For an example, see the wireless communication system of this application embodiment. Figure 1 The wireless communication system 10 may include a terminal 110 and a network device 120, wherein the network device 120 may be a device that communicates with the terminal 110. Simultaneously, the network device 120 may provide communication coverage for a specific geographical area (such as indoors) and may communicate with the terminal 110 located within that geographical area.

[0058] Optionally, the wireless communication system 10 may also include multiple network devices, and each network device may include a certain number of terminals within its coverage area, without specific limitations.

[0059] Optionally, the wireless communication system 10 may also include other network entities such as a network controller and a mobility management entity, without specific limitations.

[0060] Optionally, the communication between the network device and the terminal in the wireless communication system 10 can be wireless or wired communication, without specific restrictions.

[0061] Currently, people use mobile data in both indoor and outdoor scenarios. Outdoor scenarios utilize mobile networks provided by mobile communication operators, while indoor scenarios use Wi-Fi (Wireless Fidelity) and fixed-line broadband.

[0062] Data statistics show that indoor data usage accounts for approximately 70%. Therefore, mobile operators want users to be able to use their mobile networks indoors, rather than relying on Wi-Fi and fixed-line broadband. Consequently, 3GPP's LTE standard introduced H(e)NB (home(evolved)node basestation). With further research, LTE has expanded beyond H(e)NB to include the following scenarios: outdoor Picocells, indoor Picocells, and outdoor Microcells. Home deployment of H(e)NBs is called Femtocell. Picocells, Microcells, and Femtocells are collectively referred to as small cells.

[0063] Furthermore, 3GPP's LTE standard proposes LIPA (local IP access) / SIPTO (selected IP traffic offload) communication methods for Femtocell networks. A common feature of LIPA and SIPTO is that user data flows under H(e)NB can bypass the mobile operator's core network and be sent directly to the local core network via a local gateway (L-GW), or directly to the Internet via a gateway near the user. However, in both LIPA and SIPTO communication methods, the data offloading process relies on the mobile operator's core network control. For example, the mobile operator's core network needs to determine whether data offloading is possible and establish the corresponding bearers or resources for data offloading.

[0064] Currently, 3GPP's NR Release 18 has initiated research projects related to indoor small cells, which are also known as residential 5G. The main scenario for indoor 5G is to provide indoor communication coverage through defined local network devices (such as 5G access points, 5G APs), for example, 5G APs, PRAS (Premises Radio Access Stations), or eRG (Evolved Residential Gateways).

[0065] Typically, signaling or data within an indoor (local) environment needs to be sent to different indoor and outdoor networks, a process known as indoor (local) signaling or data offloading. For example, signaling or data may need to be sent to the local core network (i.e., the indoor network), the mobile operator's core network (i.e., the outdoor network), or the Internet (i.e., the outdoor network).

[0066] It should be noted that the "local core network" in this application is just a concept and is not specifically defined by this name. It refers to the integration of all or part of the functions of the mobile operator's core network (mobile communication network core network) on indoor (local) network equipment (such as 5G AP, PRAS, or eRG), which can assist the terminal in completing PDU session proposal and radio bearer establishment, thereby enabling the terminal's data to flow between devices within the indoor network, or enabling the terminal to access the Internet without relying on the control of the mobile operator's core network.

[0067] Furthermore, indoor (local) signaling or data offloading typically relies on the mobile operator's core network control (i.e., outdoor network equipment control). For example, the mobile operator's core network needs to determine whether signaling or data offloading is possible and establish corresponding bearers or resources for it. However, relying on the mobile operator's core network control for signaling or data offloading may present the following problems: on the one hand, it is inflexible, causing user concerns about billing; on the other hand, if the mobile operator's core network is unreachable, it will prevent the core network from controlling data offloading, thus affecting the implementation, promotion, and efficiency of local offloading mechanisms. Therefore, how to consider implementing local signaling or data offloading directly indoors (locally) without relying on outdoor network equipment control requires further research.

[0068] Based on the above description, this application provides a flowchart of a wireless communication method. Please refer to [link / reference]. Figure 2 The method includes:

[0069] S210, The terminal determines the target network.

[0070] S220. The terminal sends a first indication information to the network device, the first indication information being used to indicate the target network; or, the terminal establishes multiple signaling radio bearers with the network device, the multiple signaling radio bearers including a first signaling radio bearer, the first signaling radio bearer being used to transmit non-access stratum signaling to the target network.

[0071] S230, the network device obtains the first instruction information from the terminal; or, the network device establishes the multiple signaling radio bearers with the terminal.

[0072] S240. The network device determines the target network of the terminal through the first indication information or the first signaling radio bearer.

[0073] It should be noted that the wireless communication method of this application embodiment can be applied to indoor (local) signaling or data offloading. Here, "offloading" refers to sending signaling or data to different networks. Since indoor (local) signaling or data needs to be sent to different indoor and outdoor networks, such as the local core network (i.e., indoor network), the mobile operator's core network (i.e., outdoor network), or the Internet (i.e., outdoor network), and indoor (local) signaling or data offloading usually relies on the mobile operator's core network control (i.e., outdoor network equipment control), to avoid relying on the mobile operator's core network control and affecting the implementation, promotion, and efficiency of the local offloading mechanism, this application embodiment considers implementing indoor (local) signaling or data offloading indoors (locally).

[0074] It should be further clarified that the "local core network" in this application is just a concept and is not specifically defined by this name. It refers to the integration of all or part of the functions of the mobile operator's core network (such as the mobile communication network core network) on indoor (local) network equipment (such as 5G AP, PRAS, or eRG), which can assist the terminal in completing PDU session proposal and radio bearer establishment, thereby enabling the terminal's data to flow between devices within the indoor network, or enabling the terminal to access the Internet without relying on the control of the mobile operator's core network.

[0075] In addition, the "core network of a mobile operator" in this application can also be referred to as the "core network of a mobile communication network".

[0076] Based on this, in indoor communication scenarios, the terminal sends a first indication message to the network device to directly and explicitly indicate the target network. This allows the terminal to determine the network it needs to send indoor (local) signaling or data to, without relying on the mobile operator's core network control, ensuring the feasibility and efficiency of local traffic offloading. Simultaneously, the network device determines the target network through the first indication message; that is, the network device directly and explicitly learns the network (i.e., the target network) to which the terminal needs to send indoor (local) signaling or data, so as to subsequently establish access to the target network for the terminal, ensuring the feasibility and efficiency of local traffic offloading. Alternatively,

[0077] In indoor communication scenarios, the terminal establishes multiple signaling radiobearers (SRBs) with the network equipment. These SRBs include a first signaling radiobearer for transmitting NAS signaling to the target network. This first signaling radiobearer implicitly indicates the target network, allowing the terminal to determine the network it needs to send indoor (local) signaling or data to, without relying on the mobile operator's core network control, thus ensuring the feasibility and efficiency of local traffic offloading. Simultaneously, the network equipment determines the target network through the first signaling radiobearer; that is, the network equipment implicitly learns the network (i.e., the target network) to which the terminal needs to send indoor (local) signaling or data, enabling it to subsequently establish access to the target network for the terminal, ensuring the feasibility and efficiency of local traffic offloading.

[0078] Based on the above description, the following is a detailed explanation.

[0079] Specifically, the network device in this application embodiment can be deployed indoors. The network device deployed indoors can also be referred to as an indoor (local) network device.

[0080] It should be noted that indoor (local) network equipment can include residential gateways (RG), evolved residential gateways (eRG), home (evolved) node base stations (H(e)NB), premises radio access stations (PRAS), and 5G access points (5G AP). PRAS and eRG can be collectively referred to as 5G APs or indoor 5G (5G-resident, or residential 5G) equipment, thereby enhancing indoor coverage through PRAS and eRG.

[0081] Specifically, the network device in this application embodiment may include a PRAS and an eRG. The PRAS can obtain first indication information from the terminal and send the first indication information to the eRG.

[0082] It should be noted that PRAS can provide air interface coverage, enabling terminals to access the network via the Uu interface. Therefore, PRAS can obtain the first indication information through the Uu interface. Furthermore, PRAS can integrate local AMF and / or local UPF, thereby realizing the functions of a local core network.

[0083] eRG can enable terminals to access fixed broadband, the Internet, local core networks, and mobile operator core networks (such as 5GC (5G core network) or EPC (evolved packet core)). Therefore, eRG can determine which network the terminal needs to send indoor (local) signaling or data to through initial indication information and subsequently connect the terminal to that network. Simultaneously, eRG can directly connect the terminal to the mobile operator's core network, or it can connect the terminal to the mobile operator's core network through the mobile operator's access network. Internet access can be achieved either through the mobile operator's core network or through the local core network.

[0084] In addition, eRG can integrate local AMF and / or local UPF, thereby realizing the functions of a local core network.

[0085] In summary, the functions of the local core network can be integrated into PRAS or eRG, without specific limitations. That is, this application focuses more on the functional description of the local core network, without restricting the specific devices on which the corresponding functional units are integrated. For example, taking local network devices including PRAS and eRG as an example, please refer to [link to relevant documentation]. Figure 3 The terminal communicates with the PRAS and eRG deployed indoors. The PRAS provides air interface coverage for the terminal, while the eRG provides access to different indoor and outdoor networks to offload signaling or data within the indoor (local) network. Specifically, the eRG can provide access to the mobile operator's core network (as shown by curve 310), i.e., send indoor (local) signaling or data to the mobile operator's core network; it can provide access to the Internet (as shown by curve 320), i.e., send indoor (local) signaling or data to the Internet; and it can provide access to the local core network (as shown by curve 330), i.e., send indoor (local) signaling or data to the local core network. Additionally, if a terminal needs to establish a non-access stratum (NAS) signaling connection / protocol data units session (PDU session) to the mobile operator's AMF / UPF, or to establish a NAS signaling connection / PDU session to the local AMF / UPF (integrated into the eRG), then the eRG needs to know at least whether the NAS signaling such as the PDU session establishment request is sent to the mobile operator's AMF or to the local AMF.

[0086] Specifically, the target network can be used to represent the network to which the terminal needs to send indoor (local) signaling or data. This signaling may include NAS signaling.

[0087] Specifically, the target network can be at least one of the following networks: the mobile operator's core network, the local core network, or the Internet.

[0088] It should be noted that the terminal can explicitly indicate to the network device through the first indication information that it needs to send indoor (local) signaling or data to at least one of the mobile operator's core network, local core network, and Internet; or, the terminal can implicitly indicate to the network device through the first radio bearer that it needs to send indoor (local) signaling or data to at least one of the mobile operator's core network, local core network, and Internet.

[0089] Furthermore, this application allows any core network function, unit, or entity integrated locally (indoors) to become a local core network. Simultaneously, the local core network can establish PDU sessions, handle the flow of control signaling or data locally, or facilitate its flow to the Internet.

[0090] Specifically, each of the multiple signaling radio bearers corresponds to a different network. Among them, the first signaling radio bearer is used to transmit non-access stratum signaling to the target network, which can be understood as having a corresponding relationship with the target network.

[0091] For example, the terminal in this application embodiment can establish two sets of signaling radio bearers (SRBs). One SRB is used to transmit NAS signaling to the mobile operator's core network, while the other SRB is used to transmit NAS signaling to the local core network. Therefore, the terminal can establish NAS signaling connections to different core networks based on different SRBs. When the terminal needs to establish or modify a session, it can send protocol data unit session (PDU session) related signaling to different core network devices through the established NAS signaling connection.

[0092] Based on the above description, the following section will provide a detailed explanation of how the terminal determines the target network.

[0093] Specifically, the terminal determining the target network in S210 may include: when the terminal needs to send signaling or data, the terminal determines the target network.

[0094] It should be noted that when a terminal needs to send indoor (local) signaling or data, the terminal determines the network to which it needs to be sent (i.e., the target network) from multiple networks (such as the mobile operator's core network, the local core network, and the Internet) in order to send the signaling or data.

[0095] Specifically, the terminal's determination of the target network in S210 may include: the terminal determining the target network based on the quality of service level or service type.

[0096] It should be noted that the terminal can determine the target network from multiple networks (such as the mobile operator's core network, local core network, and the Internet) based on the QoS level of the signaling to be sent, the QoS level of the data, or the service type of the data. Service types can include voice services, video services, interactive services (such as gaming services, virtual reality services, etc.), SMS services, emergency call services, etc.

[0097] For example, because video services involve large amounts of data but have relatively lower reliability requirements, video data can be sent to the local core network or the Internet, meaning the target network is either the local core network or the Internet. This helps reduce network load and saves user costs. Similarly, because voice services require higher reliability, voice data can be sent to the mobile operator's core network, meaning the target network is the mobile operator's core network. This also helps reduce network load and save user costs. In this way, different services can use different target networks, which is beneficial for both network load reduction and user cost savings.

[0098] Furthermore, the terminal determines the target network based on the quality of service level or service type, which may include: when the terminal needs to send indoor (local) signaling or data, the terminal determines the target network based on the QoS level of the signaling, the QoS level of the data, or the service type of the data.

[0099] Based on the above description, the network equipment will be explained in detail below.

[0100] Specifically, the network device in S230 obtaining the first indication information from the terminal may include: when the terminal needs to send indoor (local) signaling or data, the network device obtains the first indication information from the terminal.

[0101] Specifically, the establishment of multiple signaling radio bearers between the network device and the terminal in S230 may include: when the terminal needs to send indoor (local) signaling or data, the network device establishes multiple signaling radio bearers with the terminal.

[0102] Based on the above description, the first instruction information will be explained in detail below.

[0103] Specifically, the first indication information can be carried in the Radio Resource Control Connection Setup Complete (RRC) message.

[0104] It should be noted that, unlike terminals which need to establish multiple SRBs, terminals can establish only one SRB. This single SRB can be used to transmit NAS signaling to the mobile operator's core network or to the local core network. Therefore, if the terminal needs to send NAS signaling to the network device through this SRB, the terminal also needs to send an indication message to the network device. The network device can use this indication message to determine which network the terminal needs to send indoor (local) signaling or data to. This NAS signaling can be a service request message or a PDU session establishment request message.

[0105] Since the service request message needs to be carried in the RRCconnection setup complete message, this embodiment of the application considers that the RRCconnection setup complete message also needs to carry first indication information, so that the first indication information is sent through the RRCconnection setup complete message. At the same time, the RRCconnection setup complete message is an RRC message, and therefore carries NAS signaling and the first indication information.

[0106] Furthermore, the first indication information may be carried by one of the following fields: the selected PLMN-Identity field in the Radio Resource Control Connection Establishment Completion message, the System Architecture Evolution Temporary Mobile Station Identifier (ng-5G-S-TMSI-Value) field in the Radio Resource Control Connection Establishment Completion message, or a newly added field in the Radio Resource Control Connection Establishment Completion message.

[0107] It should be noted that the format of the RRCconnection setup complete message is as follows:

[0108]

[0109] Based on this, embodiments of this application can carry the first indication information through the selectedPLMN-Identity field, the ng-5G-S-TMSI-Value field, or a newly added field in the RRCconnection setup complete message, thereby realizing the transmission of the first indication information through the RRC message.

[0110] Specifically, the first indication information can be carried in the uplink information transmission (ULInformationTransfer) message.

[0111] It should be noted that since the PDU session establishment request message is carried by the ULInformationTransfer message after the RRC connection is established, this embodiment of the application considers that the ULInformationTransfer message also needs to carry the first indication information, so as to realize the sending of the first indication information through the ULInformationTransfer message.

[0112] Furthermore, the first indication information can be carried by a newly added field in the uplink information transmission message.

[0113] It should be noted that the format of the ULInformationTransfer message is as follows:

[0114]

[0115]

[0116] Based on this, the embodiments of this application can carry the first indication information through the newly added field in the ULInformationTransfer message, thereby realizing the transmission of the first indication information through the ULInformationTransfer message.

[0117] Based on the above description, the technical solutions further included in the embodiments of this application will be described in detail below.

[0118] Specifically, prior to S210, the method may further include: the terminal acquiring first information from the network device, which can be used to indicate the network supported by the network device, including the target network.

[0119] It should be noted that the network device can use the first information to inform the terminal whether it supports (can) accessing which network for the terminal. For example, the network device can use the first information to inform the terminal whether it supports access to the mobile operator's core network, local core network, or the Internet. Accessing the Internet can be done through the mobile operator's core network or through the local core network. The first information can be broadcast, meaning it can be included in system messages. Furthermore, this application embodiment can broadcast the first information using PRAS or a 5G AP; no specific limitations are imposed on this.

[0120] Furthermore, the first information may include Public Land Mobile Network (PLMN) ID; or, the first information may include PLMN ID and network identifier.

[0121] It should be noted that network devices can broadcast the following two methods: PLMN ID; and PLMN ID and NID (network identifier), and use these two methods to identify whether the network device supports access to the mobile operator's core network, Internet access, or local core network. Additionally, in this embodiment, these two methods can be broadcast via PRAS or 5G AP.

[0122] The above primarily describes the solutions of the embodiments of this application from a methodological perspective. It is understood that, in order to achieve the above functions, the terminal or network device includes corresponding hardware structures and / or software modules for executing each function. Those skilled in the art should recognize that, based on the methods, modules, units, or algorithm steps described in conjunction with the embodiments disclosed herein, this application can be implemented in hardware or a combination of hardware and computer software. Whether a method, function, module, unit, or step is executed in hardware or by computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described methods, functions, modules, units, or steps for each specific application, but such implementation should not be considered beyond the scope of this application.

[0123] This application embodiment can divide a terminal or network device into functional units / modules according to the above method examples. For example, each function can be divided into a separate functional unit / module, or two or more functions can be integrated into one functional unit / module. The integrated functional unit / module can be implemented in hardware or software. It should be noted that the division of functional units / modules in this application embodiment is illustrative and only represents a logical functional division; in actual implementation, there may be other division methods.

[0124] When using integrated units, Figure 4 A functional unit block diagram of a wireless communication device is provided. The wireless communication device 400 includes a processing unit 402 and a communication unit 403. The processing unit 402 is used to control and manage the actions of a terminal. For example, the processing unit 402 is used to support the terminal in performing... Figure 2 The steps in the process and other processes used in the technical solutions described in this application. The communication unit 403 is used to support communication between the terminal and other devices in the wireless communication system. The channel monitoring device 400 may also include a storage unit 401 for storing the program code executed by the channel monitoring device 400 and the data transmitted.

[0125] It should be noted that the wireless communication device 400 can be a chip or a chip module.

[0126] The processing unit 402 can be a processor or controller, such as a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It can implement or execute various exemplary logic blocks, modules, and circuits described in conjunction with the disclosure of this application. The processing unit 402 can also be a combination that implements computing functions, such as including one or more microprocessor combinations, a combination of a DSP and a microprocessor, etc. The communication unit 403 can be a communication interface, transceiver, transceiver circuit, etc., and the storage unit 401 can be a memory. When the processing unit 402 is a processor, the communication unit 403 is a communication interface, and the storage unit 401 is a memory, the wireless communication device 400 involved in the embodiments of this application can be... Figure 6 The terminal shown.

[0127] Specifically, the processing unit 402 is used to execute any step performed by the terminal as described in the above method embodiments, and when performing data transmission such as sending, it may selectively call the communication unit 403 to complete the corresponding operation. A detailed explanation follows.

[0128] The processing unit 402 is configured to: determine a target network; send first indication information to a network device, the first indication information being used to indicate the target network; or, establish multiple signaling radio bearers with the network device, the multiple signaling radio bearers including the first signaling radio bearer, the first signaling radio bearer being used to transmit non-access stratum signaling to the target network.

[0129] It should be noted that, Figure 4 The specific implementation of each operation in the embodiments can be found in the above description. Figure 2 The descriptions in the method embodiments shown will not be repeated here.

[0130] As can be seen, in this embodiment of the application, the wireless communication device sends first indication information to the network device to directly and explicitly indicate the target network, thereby enabling the wireless communication device to determine the network to which it needs to send indoor (local) signaling or data, without relying on the core network control of the mobile operator, ensuring the feasibility and efficiency of local traffic offloading. Alternatively,

[0131] The wireless communication device establishes multiple signaling radio bearers with the network equipment. These multiple signaling radio bearers include a first signaling radio bearer for transmitting NAS signaling to the target network. The first signaling radio bearer implicitly indicates the target network, thereby enabling the wireless communication device to determine the network to which it needs to send indoor (local) signaling or data without relying on the core network control of the mobile operator, thus ensuring the feasibility and efficiency of local traffic offloading.

[0132] Specifically, the target network is at least one of the following networks: the mobile operator's core network, the local core network, or the Internet.

[0133] Specifically, in determining the target network, the processing unit 402 is used to: determine the target network based on the quality of service level or service type.

[0134] Specifically, the first instruction information is carried in the Radio Resource Control connection establishment completion message.

[0135] Specifically, the first indication information is carried by one of the following fields: the Selected Public Land Mobile Network Identifier field in the Radio Resource Control Connection Establishment Completion message, the System Architecture Evolution Temporary Mobile Station Identifier value field in the Radio Resource Control Connection Establishment Completion message, and the New Field in the Radio Resource Control Connection Establishment Completion message.

[0136] Specifically, the first instruction information is carried in the uplink information transmission message.

[0137] Specifically, the first indication information is carried by a new field in the uplink information transmission message.

[0138] Specifically, the processing unit 402 is further configured to: acquire first information from the network device, the first information being used to indicate the network that the network device supports access to, the network including the target network.

[0139] Specifically, the first information includes the Public Land Mobile Network (PLMN) ID; or, the first information includes both the PLMN ID and the network ID.

[0140] When using integrated units, Figure 5 A functional unit block diagram of another wireless communication device is provided. The wireless communication device 500 includes a processing unit 502 and a communication unit 503. The processing unit 502 is used to control and manage the operation of the network device. For example, the processing unit 502 is used to support the network device in performing... Figure 2 The steps in the process and other processes used in the technical solutions described in this application. The communication unit 503 is used to support communication between the network device and other devices in the wireless communication system. The wireless communication device 500 may also include a storage unit 501 for storing the program code executed by the wireless communication device 500 and the data transmitted.

[0141] It should be noted that the wireless communication device 500 can be a chip or a chip module.

[0142] The processing unit 502 can be a processor or controller, and may be a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It can implement or execute various exemplary logic blocks, modules, and circuits described in conjunction with the disclosure of this application. The processing unit 502 can also be a combination that implements computing functions, such as including one or more microprocessor combinations, a combination of a DSP and a microprocessor, etc. The communication unit 503 can be a communication interface, transceiver, transceiver circuit, etc., and the storage unit 501 can be a memory. When the processing unit 502 is a processor, the communication unit 503 is a communication interface, and the storage unit 501 is a memory, the wireless communication device 500 involved in the embodiments of this application can be... Figure 7 The network device shown.

[0143] In specific implementation, the processing unit 502 is used to execute any step performed by the network device as described in the above method embodiment, and when performing data transmission such as sending, it may selectively call the communication unit 503 to complete the corresponding operation. A detailed description follows.

[0144] The processing unit 502 is configured to: acquire first indication information from the terminal, the first indication information being used to indicate a target network; or, establish multiple signaling radio bearers with the terminal, the multiple signaling radio bearers including the first signaling radio bearer, the first signaling radio bearer being used to transmit non-access stratum signaling to the target network; and determine the target network of the terminal through the first indication information or the first signaling radio bearer.

[0145] It should be noted that, Figure 5 The specific implementation of each operation in the embodiments can be found in the above description. Figure 2 The descriptions in the method embodiments shown will not be repeated here.

[0146] As can be seen, in this embodiment of the application, the wireless communication device determines the target network through the first indication information. That is, the wireless communication device directly learns the network (i.e., the target network) to which the terminal needs to send indoor (local) signaling or data, so as to subsequently establish access to the target network for the terminal, ensuring the feasibility and efficiency of local traffic offloading. Alternatively,

[0147] The wireless communication device determines the target network through the first signaling wireless bearer. That is, the wireless communication device learns that the terminal needs to send the indoor (local) signaling or data to the network (i.e. the target network) so as to establish access to the target network for the terminal in the future, and ensure the feasibility and efficiency of local traffic offloading.

[0148] Specifically, in determining the target network of the terminal through the first instruction information or the first signaling radio bearer, the processing unit 502 is used to: connect the terminal to the target network through the first instruction information or the first signaling radio bearer.

[0149] Specifically, the target network is at least one of the following networks: the mobile operator's core network, the local core network, or the Internet.

[0150] Specifically, the first instruction information is carried in the Radio Resource Control connection establishment completion message.

[0151] Specifically, the first indication information is carried by one of the following fields: the Public Land Mobile Network Identifier field selected in the Radio Resource Control Connection Establishment Completion Message, the Temporary Mobile Station Identifier field in the Radio Resource Control Connection Establishment Completion Message, and the New Field in the Radio Resource Control Connection Establishment Completion Message.

[0152] Specifically, the first instruction information is carried in the uplink information transmission message.

[0153] Specifically, the first indication information is carried by a new field in the uplink information transmission message.

[0154] Specifically, the processing unit 502 is also used to: send first information to the terminal, the first information being used to indicate the network that the network device supports access to, the network including the target network.

[0155] Specifically, the first information includes the Public Land Mobile Network (PLMN) ID; or, the first information includes both the PLMN ID and the network ID.

[0156] Please see Figure 6 , Figure 6 This is a schematic diagram of the structure of a terminal provided in an embodiment of this application. The terminal 600 includes a processor 610, a memory 620, a communication interface 630, and a communication bus for connecting the processor 610, the memory 620, and the communication interface 630.

[0157] The memory 620 may include, but is not limited to, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM), or compact disc read-only memory (CD-ROM). The memory 620 may be used to store program code executed by the terminal 600 and data transmitted.

[0158] The communication interface 630 can be used to receive and send data.

[0159] The processor 610 can be one or more CPUs. If the processor 610 is a CPU, the CPU can be a single-core CPU or a multi-core CPU.

[0160] The processor 610 in terminal 600 is used to read one or more programs 621 stored in memory 620 and perform the following operations: determine a target network; send a first indication information to a network device, the first indication information being used to indicate the target network; or, establish multiple signaling radio bearers with the network device, the multiple signaling radio bearers including the first signaling radio bearer, the first signaling radio bearer being used to transmit non-access stratum signaling to the target network.

[0161] It should be noted that the specific implementation of each operation can adopt the methods described above. Figure 2The corresponding description of the method embodiments shown indicates that the terminal 600 can be used to execute the terminal-side methods of the above method embodiments of this application, and will not be described in detail here.

[0162] Please see Figure 7 , Figure 7 This is a schematic diagram of the structure of a network device provided in an embodiment of this application. The network device 700 includes a processor 710, a memory 720, a communication interface 730, and a communication bus for connecting the processor 710, the memory 720, and the communication interface 730.

[0163] The memory 720 may include, but is not limited to, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM), or compact disc read-only memory (CD-ROM). The memory 720 may be used to store program code executed by the network device 700 and data transmitted by the network device 700.

[0164] The communication interface 730 can be used to receive and send data.

[0165] The processor 710 can be one or more CPUs. If the processor 710 is a CPU, the CPU can be a single-core CPU or a multi-core CPU.

[0166] The processor 710 in the network device 700 is used to read one or more programs 721 stored in the memory 720 and perform the following operations: obtain first indication information from the terminal, the first indication information being used to indicate a target network; or, establish multiple signaling radio bearers with the terminal, the multiple signaling radio bearers including the first signaling radio bearer, the first signaling radio bearer being used to transmit non-access stratum signaling to the target network; determine the target network of the terminal through the first indication information or the first signaling radio bearer.

[0167] It should be noted that the specific implementation of each operation can adopt the methods described above. Figure 2 The corresponding description of the method embodiments shown indicates that the network device 700 can be used to execute the network device-side methods of the above method embodiments of this application, and will not be described in detail here.

[0168] This application also provides a computer-readable storage medium storing a computer program for electronic data interchange, wherein the computer program causes a computer to perform some or all of the steps described in the above method embodiments for a terminal or management device.

[0169] This application also provides a computer program product, wherein the computer program product includes a computer program operable to cause a computer to perform some or all of the steps described in the above method embodiments for a terminal or management device. This computer program product may be a software installation package.

[0170] It should be noted that, for the sake of simplicity, the above embodiments are all described as a series of actions. Those skilled in the art should understand that this application is not limited to the described order of actions, as some steps in the embodiments of this application can be performed in other orders or simultaneously. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions, steps, modules, or units involved are not necessarily essential to the embodiments of this application.

[0171] In the above embodiments, the descriptions of each embodiment in this application have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0172] Those skilled in the art should understand that the functions of the methods, steps, or related modules / units described in the embodiments of this application can be implemented, in whole or in part, by software, hardware, firmware, or any combination thereof. When implemented in software, it can be implemented, in whole or in part, as a computer program product, or by a processor executing computer program instructions. The computer program product includes at least one computer program instruction, which can be composed of corresponding software modules. These software modules can be stored in RAM, flash memory, ROM, EPROM, EEPROM, registers, hard disk, portable hard disk, read-only optical disc (CD-ROM), or any other form of storage medium well known in the art. The computer program instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, the computer program instructions can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired or wireless means. The computer-readable storage medium can be any available medium accessible to a computer or a data storage device such as a server or data center that integrates one or more available media. The available media can be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media, or semiconductor media (e.g., SSDs).

[0173] The modules / units included in the various devices or products described in the above embodiments can be software modules / units, hardware modules / units, or a combination of software and hardware modules / units. For example, for devices or products applied to or integrated into a chip, all of their modules / units can be implemented using hardware methods such as circuits; or, some of their modules / units can be implemented using software programs that run on a processor integrated within the chip, while other (if any) modules / units can be implemented using hardware methods such as circuits. The same principle applies to devices or products applied to or integrated into chip modules, or devices or products applied to or integrated into terminals.

[0174] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of the embodiments of this application. It should be understood that the above descriptions are merely specific embodiments of the embodiments of this application and are not intended to limit the protection scope of the embodiments of this application. Any modifications, equivalent substitutions, improvements, etc., made based on the technical solutions of the embodiments of this application should be included within the protection scope of the embodiments of this application.

Claims

1. A wireless communication method, characterized in that, A terminal applied locally; the method includes: The target network is determined, which is the Internet to which the terminal intends to offload its local signaling or data. The process of determining the target network does not depend on the core network control of the mobile operator. Send a first indication message to the network device, the first indication message being used to indicate the target network; or, establish multiple signaling radio bearers with the network device, the multiple signaling radio bearers including a first signaling radio bearer, the first signaling radio bearer being used to transmit non-access stratum signaling to the target network, the network device being deployed indoors.

2. The method according to claim 1, characterized in that, The determination of the target network includes: The target network is determined based on the quality of service level or service type.

3. The method according to claim 1, characterized in that, The first indication information is carried in the Radio Resource Control Connection Establishment Complete Message.

4. The method according to claim 3, characterized in that, The first indication information is carried by one of the following fields: the Select Public Land Mobile Network Identifier field in the Radio Resource Control Connection Establishment Completion message, the System Architecture Evolution Temporary Mobile Station Identifier value field in the Radio Resource Control Connection Establishment Completion message, and the New Field in the Radio Resource Control Connection Establishment Completion message.

5. The method according to claim 1, characterized in that, The first indication information is carried in the uplink information transmission message.

6. The method according to claim 5, characterized in that, The first indication information is carried by a newly added field in the uplink information transmission message.

7. The method according to any one of claims 1-6, characterized in that, The method further includes: Obtain first information from the network device, the first information being used to indicate the network that the network device supports access to, the network including the target network.

8. The method according to claim 7, characterized in that, The first information includes Public Land Mobile Network Identifier (PLMN ID); or, The first information includes the public land mobile network identification information and the network identification information.

9. A wireless communication method, characterized in that, The method is applied to a network device deployed indoors; the method includes: Obtain first indication information from a local terminal, the first indication information being used to indicate a target network; or, establish multiple signaling radio bearers with the local terminal, the multiple signaling radio bearers including a first signaling radio bearer, the first signaling radio bearer being used to transmit non-access stratum signaling to the target network; The target network is determined by the first indication information or the first signaling radio bearer; The target network is the Internet to which the terminal intends to offload its local signaling or data, and the process of determining the target network does not depend on the core network control of the mobile operator.

10. The method according to claim 9, characterized in that, The step of determining the target network through the first indication information or the first signaling radio bearer includes: The terminal is connected to the target network via the first indication information or the first signaling radio bearer.

11. The method according to claim 9, characterized in that, The first indication information is carried in the Radio Resource Control Connection Establishment Complete Message.

12. The method according to claim 11, characterized in that, The first indication information is carried by one of the following fields: the selected public land mobile network identifier field in the radio resource control connection establishment completion message, the temporary mobile station identifier value field in the radio resource control connection establishment completion message, and the newly added field in the radio resource control connection establishment completion message.

13. The method according to claim 9, characterized in that, The first indication information is carried in the uplink information transmission message.

14. The method according to claim 13, characterized in that, The first indication information is carried by a newly added field in the uplink information transmission message.

15. The method according to any one of claims 9-14, characterized in that, The method further includes: Send first information to the terminal, the first information being used to indicate the network network supported by the network device, the network including the target network.

16. The method according to claim 15, characterized in that, The first information includes Public Land Mobile Network Identifier (PLMN ID); or, The first information includes the public land mobile network identification information and the network identification information.

17. A wireless communication device, characterized in that, The device includes a processing unit and a communication unit, the processing unit being used for: The target network is determined, which is the Internet to which the local terminal needs to offload local signaling or data. The process of determining the target network does not depend on the core network control of the mobile operator. The communication unit sends a first indication message to the network device, the first indication message being used to indicate the target network; Alternatively, multiple signaling radio bearers can be established with the network device through the communication unit, the multiple signaling radio bearers including a first signaling radio bearer, the first signaling radio bearer being used to transmit non-access stratum signaling to the target network, the network device being deployed indoors.

18. A wireless communication device, characterized in that, The device includes a processing unit and a communication unit, the processing unit being used for: The communication unit obtains first indication information from a local terminal, the first indication information being used to indicate a target network; or, the communication unit establishes multiple signaling radio bearers with the local terminal, the multiple signaling radio bearers including a first signaling radio bearer, the first signaling radio bearer being used to transmit non-access stratum signaling to the target network. The target network is determined by the first indication information or the first signaling radio bearer; The target network is the Internet to which the terminal intends to offload its local signaling or data, and the process of determining the target network does not depend on the core network control of the mobile operator.

19. A terminal, characterized in that, The method includes a processor, a memory, a communication interface, and one or more programs, said one or more programs being stored in the memory and configured to be executed by the processor, said programs including instructions for performing the steps of the method as described in any one of claims 1-8.

20. A network device, characterized in that, The method includes a processor, a memory, a communication interface, and one or more programs, said programs being stored in the memory and configured to be executed by the processor, said programs including instructions for performing the steps of the method as described in any one of claims 9-16.

21. A computer-readable storage medium, characterized in that, It stores a computer program for electronic data interchange, wherein the computer program causes the computer to perform the method as described in any one of claims 1-16.

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