Access method, terminal, equipment and device

Abstract

The invention provides an access method, a terminal, equipment and a device, and the method is applied to the terminal and comprises the steps: obtaining target information; the target information comprises related information about whether each geographic area supports network sharing or not; and determining the wireless communication network to be accessed according to the target information. According to the access method, the terminal, the equipment and the device provided by the embodiment of the invention, the terminal determines whether the terminal is currently located in the area supporting the network sharing or not after acquiring the relevant information about whether each area supports the network sharing or not; different networks are selected to access when the terminal is located in the area supporting network sharing and the area not supporting network sharing, so that the terminal can select to access a proper network when being located in different areas, and the problem that the terminal cannot select different networks to access in the shared area and the non-shared area in the prior art is effectively solved. And the communication quality of the terminal is effectively improved.

Description

Technical Field

[0001] This invention relates to the field of communication technology, and in particular to an access method, terminal, device, and apparatus. Background Technology

[0002] In network sharing scenarios accessed via satellite, due to the different terrestrial TA (Transmission Area) divisions compared to satellite TA, related technologies can reject terminal access via satellite TA, but cannot control whether the terminal chooses different network access in areas that support network sharing and areas that do not support network sharing. Summary of the Invention

[0003] This invention provides an access method, terminal, device, and apparatus. After obtaining relevant information on whether each area supports network sharing, the terminal determines whether it is currently located in an area that supports network sharing or an area that does not support network sharing. When the terminal is in an area that supports network sharing or an area that does not support network sharing, it selects different network access methods. This allows the terminal to select an appropriate network to access in different areas, effectively solving the problem in the prior art that it is impossible for the terminal to select different network access methods in shared and non-shared areas, and effectively improving the communication quality of the terminal.

[0004] In a first aspect, embodiments of this application provide an access method applied to a terminal, comprising: Obtain target information; the target information includes information on whether each geographical region supports network sharing; Based on the target information, the wireless communication network to be accessed is determined.

[0005] Secondly, embodiments of this application also provide an access method applied to an access network device, comprising: The terminal sends target information; the target information includes information on whether each geographical area supports network sharing; the target information is used by the terminal to determine the wireless communication network to be accessed.

[0006] Thirdly, embodiments of this application also provide an access method applied to core network equipment, including: The terminal sends target information; the target information includes information on whether each geographical area supports network sharing; the target information is used by the terminal to determine the wireless communication network to be accessed.

[0007] Fourthly, embodiments of this application also provide a terminal, including a memory, a transceiver, and a processor: A memory for storing computer programs; a transceiver for sending and receiving data under the control of the processor; and a processor for reading the computer programs from the memory and performing the following operations: Obtain target information; the target information includes information on whether each geographical region supports network sharing; Based on the target information, the wireless communication network to be accessed is determined.

[0008] Fifthly, embodiments of this application also provide a terminal, including a memory, a transceiver, and a processor: A memory for storing computer programs; a transceiver for sending and receiving data under the control of the processor; and a processor for reading the computer programs from the memory and performing the following operations: The terminal sends target information; the target information includes information on whether each geographical area supports network sharing; the target information is used by the terminal to determine the wireless communication network to be accessed.

[0009] Sixthly, embodiments of this application also provide a terminal, including a memory, a transceiver, and a processor: A memory for storing computer programs; a transceiver for sending and receiving data under the control of the processor; and a processor for reading the computer programs from the memory and performing the following operations: The terminal sends target information; the target information includes information on whether each geographical area supports network sharing; the target information is used by the terminal to determine the wireless communication network to be accessed.

[0010] In a seventh aspect, embodiments of this application also provide an apparatus, including a memory, a transceiver, and a processor, wherein: A memory for storing computer programs; a transceiver for sending and receiving data under the control of the processor; and a processor for reading the computer programs in the memory and implementing the steps of the access method described in the first aspect above.

[0011] Eighthly, embodiments of this application also provide an apparatus, including a memory, a transceiver, and a processor, wherein: A memory for storing computer programs; a transceiver for sending and receiving data under the control of the processor; and a processor for reading the computer programs from the memory and implementing the steps of the access method described in the second aspect above.

[0012] Ninthly, embodiments of this application also provide an apparatus, including a memory, a transceiver, and a processor, wherein: A memory for storing computer programs; a transceiver for sending and receiving data under the control of the processor; and a processor for reading the computer programs in the memory and implementing the steps of the access method described in the third aspect above.

[0013] In a tenth aspect, embodiments of this application also provide a processor-readable storage medium storing a computer program configured to cause the processor to perform the steps of the access method described in the first aspect, or the steps of the access method described in the second aspect, or the steps of the access method described in the third aspect.

[0014] The access method, terminal, device, and apparatus provided in this application embodiment allow the terminal to determine whether it is currently located in an area that supports network sharing or an area that does not support network sharing after obtaining relevant information on whether each area supports network sharing. The terminal then selects different network access methods depending on whether it is in an area that supports network sharing or an area that does not support network sharing. This enables the terminal to select an appropriate network in different areas, effectively solving the problem in the prior art where the terminal cannot select different network access methods in shared and non-shared areas, and effectively improving the communication quality of the terminal. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of a network sharing scenario provided in an embodiment of this application.

[0017] Figure 2 This is a schematic diagram of the tracking area (TA) planning provided in an embodiment of this application.

[0018] Figure 3 This is one of the flowcharts illustrating the access method provided in the embodiments of this application.

[0019] Figure 4 This is the second flowchart illustrating the access method provided in the embodiments of this application.

[0020] Figure 5 This is the third flowchart of the access method provided in the embodiments of this application.

[0021] Figures 6a-6b This is a schematic diagram of the interaction flow of the access method provided in the embodiments of this application.

[0022] Figure 7 This is a schematic diagram of the tracking area (TA) planning provided in an embodiment of this application.

[0023] Figure 8 This is a schematic diagram of the terminal structure provided in the embodiments of this application.

[0024] Figure 9 This is a schematic diagram of the structure of the access network device provided in the embodiments of this application.

[0025] Figure 10 This is a schematic diagram of the core network device provided in the embodiments of this application.

[0026] Figure 11 This is one of the structural schematic diagrams of the access device provided in the embodiments of this application.

[0027] Figure 12 This is the second schematic diagram of the access device provided in the embodiments of this application.

[0028] Figure 13 This is the third schematic diagram of the access device provided in the embodiments of this application. Detailed Implementation

[0029] In the embodiments of this application, the term "and / or" describes the relationship between associated objects, indicating that three relationships can exist. For example, A and / or B can represent three cases: A alone, A and B simultaneously, and B alone. The character " / " generally indicates that the preceding and following associated objects have an "or" relationship.

[0030] In the embodiments of this application, the term "multiple" refers to two or more, and other quantifiers are similar.

[0031] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0032] To facilitate a clearer understanding of the various embodiments of this application, some relevant technical knowledge will be introduced as follows.

[0033] (1) Network sharing scenario with satellite access.

[0034] Satellite access network sharing scenarios such as Figure 1 As shown, base stations and core networks are deployed on the ground in two ways: one is through a multi-operator core network (MOCN) mode, and the other is through indirect network sharing, where PLMN2 communicates with the terminal through PLMN1, and PLMN2 and PLMN1 are core networks of different operators. In satellite-accessed network sharing scenarios, there are inconsistencies between the current terrestrial network TA planning and the satellite network TA planning, such as... Figure 2As shown, TA1, TA2, and TA3 represent satellite TA plans, while TAa, TAb, and TAc represent terrestrial TA plans. The satellite network sharing scenario includes two types of areas: A. Shared Area: Satellite access is preferred; B. Non-shared area: Preferably accessed via the interface.

[0035] Assume TAa and TAb are shared areas, and TAc is a non-shared area. The satellite beam coverage area is large and may include TAs planned for the satellite network, such as TA1 and TA2. Since the shared area (TAa, Tab) and the non-shared area (Tac) use the same PLMN and satellite access technology, existing technology cannot control whether the terminal prefers satellite access in the shared area and surface access in the non-shared area.

[0036] (2) PLMN selection strategy.

[0037] In roaming scenarios, when the timer for periodically searching for a high-priority PLMN expires, the terminal searches for a PLMN / access technology combination with a higher priority than the current PLMN that can provide services to the terminal. The PLMN selection priority is as follows: i) Home Public Land Mobile Network (HPLMN) or Equivalent Home PLMN (EHPLMN) of the highest priority.

[0038] ii) The PLMN / access technology combination (in order of priority) in the "User Controlled PLMN Selector with Access Technology" data file.

[0039] iii) The combination of PLMN / access technology in the "Operator Controlled PLMN Selector with Access Technology" data file.

[0040] iv) Other PLMN / access technology combinations that receive high-quality signals in a random order.

[0041] v) Other PLMN / access technology combinations, arranged in descending order of signal quality.

[0042] (3) Steering of Roaming (SOR)

[0043] After reading the PLMN ID or PLMN ID list from the system broadcast, the terminal selects a PLMN based on the PLMN selectors in the USIM. In a roaming network, the HPLMN can update the PLMN / access technology combination in the "Operator Controlled PLMN Selector with Access Technology" data file on the terminal via SOR. SOR includes updating the "Operator Controlled PLMN Selector with Access Technology" data file during and after registration.

[0044] According to existing standards, SOR can only update list iii) "Operator Controlled PLMN Selector with Access Technology". If a terminal is already registered with HPLMN, it will not perform PLMN selection even if it receives an updated list of "Operator Controlled PLMN Selector with Access Technology".

[0045] Figure 3 This is a flowchart illustrating the access method provided in an embodiment of this application. The method is applied to a terminal, such as... Figure 3 As shown, the method includes the following steps: Step 301: Obtain target information; target information includes information on whether each geographical area supports network sharing.

[0046] Specifically, in this embodiment, the terminal first obtains target information; wherein, the target information includes information on whether each area supports network sharing. Optionally, the target information may be sent to the terminal by the network-side device, or it may be pre-configured by the terminal. Optionally, each area may be characterized by latitude and longitude information, or by TA information of the terrestrial network. Optionally, areas that support network sharing are called shared areas, and areas that do not support network sharing are called non-shared areas.

[0047] Step 302: Determine the wireless communication network to be accessed based on the target information.

[0048] Specifically, after obtaining information on whether each region supports network sharing (i.e., information on shared and non-shared regions), the terminal determines whether it is currently in a shared or non-shared region. It then selects different network access methods depending on whether the terminal is in a shared or non-shared region, enabling the terminal to access the appropriate network in different regions and improving the terminal's communication quality.

[0049] For example, a terminal can access terrestrial network A when it is in a non-shared area, and access satellite network B when it is in a shared area. Alternatively, based on the actual scenario, the terminal can choose different network accesses when it is in a shared area and a non-shared area, thereby ensuring that the terminal has good communication quality in different areas.

[0050] In the method described above, after obtaining relevant information on whether each region supports network sharing, the terminal determines whether it is currently located in a region that supports network sharing or a region that does not support network sharing. When the terminal is located in a region that supports network sharing or a region that does not support network sharing, it selects different network access methods. This allows the terminal to select an appropriate network to access in different regions, effectively solving the problem in the prior art that it is impossible for the terminal to select different network access methods in shared and non-shared regions, and effectively improving the communication quality of the terminal.

[0051] In one embodiment, the target information includes at least one of the following: The geographical location information of the first region that supports network sharing; The first wireless communication network tracking area (TA) information corresponding to the first area that supports network sharing; The geographical location information of the second area does not support network sharing; Tracking Area (TA) information of the first wireless communication network corresponding to the second area that does not support network sharing; The duration of coverage of the first area by the second wireless communication network; The duration of coverage of the second area by the second wireless communication network; Second wireless communication network device identifier (ID); Switching instruction information; the switching instruction information is used to instruct the terminal to access the second wireless communication network when entering the first area, and / or to instruct the terminal to access the first wireless communication network when entering the second area.

[0052] Specifically, in this embodiment, the area supporting network sharing carried by the target information can be characterized by geographic location information or by terrestrial network tracking (TA) information. That is, the target information may include geographic location information of a first area supporting network sharing and geographic location information of a second area not supporting network sharing. It may also include TA information of a first wireless communication network corresponding to the first area supporting network sharing and TA information of a first wireless communication network corresponding to the second area not supporting network sharing. This allows the terminal to accurately obtain relevant information about shared and non-shared areas through various types of information.

[0053] Optionally, the target information may also include the time during which the second wireless communication network covers the shared area and / or non-shared area. Optionally, if the second wireless communication network is a satellite network, the time during which the second wireless communication network covers the shared area is also the time during which the satellite network provides service in the shared area. Optionally, if the satellite network includes multiple satellites, the target information may also include the identification information of each satellite, thereby enabling the terminal to accurately determine the time of access to the second wireless communication network when in the shared area, improving the communication quality of the terminal.

[0054] Optionally, the target information may also include switching instruction information, which instructs the terminal to access the second wireless communication network when entering the first area, and / or instructs the terminal to access the first wireless communication network when entering the second area, thereby enabling the terminal to switch networks in a timely manner when entering or leaving the first area, effectively improving the communication quality of the terminal.

[0055] For example, the network-side device sends a handover instruction to the terminal based on the terminal's location information, instructing the terminal to switch networks or to select which network to access. The handover instruction may include a reason value, such as reason value 1 indicating that the terminal's current location supports network sharing and allows access to the satellite network; or reason value 2 indicating that the terminal's current location does not support network sharing and does not allow access to the satellite network. Optionally, the network-side device can be either an access network device or a core network device. In the method of the above embodiments, the target information may include the geographical location information of the shared area, and may also include the tracking area (TA) information of the first wireless communication network corresponding to the shared area, thereby enabling the terminal to accurately determine its location and access the network promptly. By including the time information of the second wireless communication network providing services in the first area, the second wireless communication network device identifier, and the handover instruction information in the target information, the terminal can accurately determine the time to access each network, effectively improving the terminal's communication quality.

[0056] In one embodiment, obtaining target information includes at least one of the following: Receive target information sent by access network devices; Obtain the target information configured in the Global Subscriber Identity Module (USIM); the target information and the PLMN list configured in the USIM are used by the terminal to select the wireless communication network to access. Receive target information sent by core network equipment.

[0057] Specifically, in this embodiment, the access network device or core network device can send target information to the terminal, enabling the terminal to efficiently obtain information regarding whether each area supports network sharing. The terminal can also obtain pre-configured target information from the USIM card, allowing it to flexibly acquire target information through various methods. Optionally, target information can be appended to the PLMN list on the USIM card or carried in a newly added file on the USIM card; this embodiment does not impose any restrictions. Optionally, the network-side device can also update the target information in the USIM card, enabling the terminal to obtain the updated target information from the USIM card in a timely and accurate manner.

[0058] The method described in the above embodiments allows the terminal to obtain target information from network-side devices or from a pre-configured target information card, thereby enabling the terminal to flexibly obtain target information in multiple ways and improving the flexibility and diversity of target information acquisition.

[0059] In one embodiment, receiving target information sent by the access network device includes: Receive broadcast messages sent by access network devices; the broadcast messages include target information.

[0060] Specifically, access network devices can carry target information in broadcast messages, so that terminals within the coverage area of ​​the access network devices can obtain relevant information on whether each area supports network sharing in a timely and accurate manner.

[0061] In one embodiment, a non-access stratum (NAS) message sent by a core network device is received; the NAS message includes target information.

[0062] Specifically, target information can be carried not only in broadcast messages sent by access network devices but also in NAS messages sent by the core network. This allows terminals to flexibly and accurately obtain information on whether each area supports network sharing through various methods. Optionally, NAS messages may include at least one of the following: Attach accept / reject, Location Area Update (TAU) accept / reject, Downlink NAS Transport, Service Accept / reject, Registration Accept / Reject message, and Deregistration Accept / Reject message.

[0063] In one embodiment, determining the wireless communication network to be accessed based on target information includes: Based on the terminal's geographical location and target information, determine the wireless communication network to be accessed.

[0064] Specifically, after acquiring the target information, the terminal can match its current geographical location with the geographical locations of various areas supporting network sharing in the target information, or match its geographical location with the geographical locations of various areas not supporting network sharing in the target information. This determines whether the terminal is currently located in an area supporting network sharing or an area not supporting network sharing, and selects a suitable network for access, thereby improving the terminal's communication quality. Optionally, if it is determined that the terminal is in a first area supporting network sharing, the terminal accesses a second wireless communication network, i.e., a satellite network. If it is determined that the terminal is in a second area not supporting network sharing, the terminal accesses a first wireless communication network, i.e., a terrestrial network.

[0065] In one embodiment, determining the wireless communication network to be accessed based on target information includes: The wireless communication network to be accessed is determined based on the TA information and target information of the first wireless communication network carried in the broadcast message.

[0066] Specifically, in this embodiment, the terminal can match the TA information of the first wireless communication network where the terminal is currently located, carried in the broadcast message, with the TA information of the first wireless communication network tracking area corresponding to the first area supporting network sharing, carried in the target information; or it can match the TA information of the first wireless communication network where the terminal is currently located, carried in the broadcast message, with the TA information of the first wireless communication network tracking area corresponding to the second area not supporting network sharing, to determine whether the terminal is currently located in an area supporting network sharing or an area not supporting network sharing, and select a suitable network for access, thereby improving the terminal's communication quality. Optionally, if it is determined that the terminal is in the first area supporting network sharing, the terminal accesses the second wireless communication network, i.e., a satellite network. If it is determined that the terminal is in the second area not supporting network sharing, the terminal accesses the first wireless communication network, i.e., a terrestrial network.

[0067] In one embodiment, determining the wireless communication network to be accessed based on target information includes: Send the terminal's geographical location and target information to the access network equipment; Receive indication information sent by the access network device; the indication information is used to indicate whether the terminal is in the first area that supports network sharing; Based on the instructions, determine the wireless communication network to be accessed.

[0068] Specifically, in this embodiment, the terminal can send its geographical location and / or target information to the access network device. Based on the target information and the terminal's geographical location, the access network device can accurately determine whether the terminal is in a first area supporting network sharing and inform the terminal via indication information. After receiving the indication information from the access network device, the terminal can determine the wireless communication network to access based on its current location. Optionally, if the terminal determines it is in a first area supporting network sharing based on the indication information, the terminal accesses a second wireless communication network, i.e., a satellite network. If the terminal is determined to be in a second area not supporting network sharing, the terminal accesses a first wireless communication network, i.e., a terrestrial network.

[0069] Optionally, after the terminal reports its location information to the network-side device, the network-side device can also send handover instruction information to the terminal based on the terminal's location information. This instruction instructs the terminal to perform a network handover or to determine which network the terminal should access. The handover instruction information may include a reason value, such as reason value 1 indicating that the terminal's current area supports network sharing and allows the terminal to access the satellite network; or reason value 2 indicating that the terminal's current area does not support network sharing and does not allow the terminal to access the satellite network. Optionally, the network-side device can be either an access network device or a core network device.

[0070] The method described in the above embodiments allows the terminal to not only directly determine whether it is currently located in an area that supports network sharing or an area that does not support network sharing based on its geographical location and target information, and select a suitable network for access, but also to select a suitable network for access based on the instruction information sent by the access network device. This enables the terminal to determine its current location and select a suitable network for access through multiple methods, thereby improving the terminal's communication quality.

[0071] In one embodiment, if it is determined, based on target information, that the second wireless communication network covers the second area, then the terminal is prohibited from accessing the second wireless communication network.

[0072] Specifically, based on the time the second wireless communication network covers the first area or the time the second wireless communication network covers the second area in the target information, the terminal can directly or indirectly determine whether the second wireless communication network is currently covering the second area. Optionally, if it is determined from the target information that the second wireless communication network is currently covering the second area, and if it is determined that the satellite network is currently covering a non-shared area, then the terminal is prohibited from accessing the satellite network, allowing the terminal to continue accessing the terrestrial network, thereby maintaining good communication quality for the terminal.

[0073] In the method described in the above embodiments, if the terminal determines that the second wireless communication network covers the second area based on the target information, it prohibits the terminal from accessing the second wireless communication network, thereby enabling the terminal to continue to access the terrestrial network and maintain good communication quality.

[0074] In one embodiment, the access method further includes: Set a timer; the timer is used to indicate the duration for which the terminal is prohibited from accessing the second wireless communication network.

[0075] Specifically, if the terminal determines that the second wireless communication network covers the second area based on the target information, the terminal can also set a timer to prohibit the terminal from accessing the second wireless communication network within the timer period, thereby ensuring good communication quality. For example, after the terminal determines the time when the satellite covers a non-shared area based on the target information, the terminal can set a corresponding timer to prohibit the terminal from accessing the network via satellite when the satellite is in a non-shared area, thereby ensuring good communication quality for the terminal.

[0076] In one implementation, the access method also includes: Based on the target information, determine the start time for the second wireless communication network to cover the first area; Terminals are prohibited from accessing the second wireless communication network before the second wireless communication network begins to cover the first area.

[0077] Specifically, after the terminal determines the start time of the second wireless communication network covering the first area based on the target information, the terminal can prohibit access to the second wireless communication network before the second wireless communication network covers the first area, thereby ensuring good communication quality. For example, after the terminal determines the time when the next (or more) satellites will provide services in the shared area based on the target information, the terminal can set a corresponding timer to prohibit the terminal from accessing the network via satellite before accessing the next satellite, thereby ensuring good communication quality for the terminal.

[0078] In one embodiment, the access method further includes at least one of the following: If the terminal location is determined to have changed, the wireless communication network to be accessed is determined based on the changed terminal location and target information. Once the updated target information is obtained, the wireless communication network to be accessed is determined based on the updated target information.

[0079] Specifically, when a terminal determines that its location has changed, it can re-determine the network it needs to access based on its current location, thereby improving communication quality. Optionally, if the terminal obtains updated target information, it can also re-determine the network it needs to access based on the changed target information, further improving communication quality. In other words, whether the terminal's location changes or the target information is updated, the terminal can promptly and accurately select the network to access, thus improving communication quality.

[0080] In one embodiment, the method further includes at least one of the following: If the distance the terminal moves exceeds a preset value, it is determined that the terminal's position has changed; If the TA information of the first wireless communication network in the received broadcast message changes, it is determined that the terminal location has changed.

[0081] Specifically, the terminal can determine whether its location has changed based on its own geographic location information, and if the terminal's location has changed, it can re-determine the network it needs to access, thereby improving the terminal's communication quality. For example, if the terminal moves a distance exceeding a preset value, it can be determined that the terminal's location has changed. The terminal can also determine whether its location has changed by receiving the TA information of the first wireless communication network it is currently in. For example, if the terminal determines that its location has changed if the TA information of the first wireless communication network in a received broadcast message has changed.

[0082] The method described in the above embodiments allows the terminal to determine whether its location has changed based on its own geographical location information, or it can determine whether its location has changed based on the TA information of the first wireless communication network in the broadcast message. If the terminal's location has changed, it can re-determine the network to be accessed by combining the shared area information, thereby improving the terminal's communication quality.

[0083] like Figure 4 As shown in the illustration, this application also provides an access method applied to an access network device, comprising: Step 401: Send target information to the terminal; the target information includes information on whether each geographical area supports network sharing; the target information is used by the terminal to determine the wireless communication network to be accessed.

[0084] Specifically, in this embodiment, the access network device first sends target information to the terminal, wherein the target information includes information on whether each area supports network sharing. Optionally, each area can be characterized by latitude and longitude information or by TA information of the terrestrial network. Optionally, areas that support network sharing are called shared areas, and areas that do not support network sharing are called non-shared areas.

[0085] After obtaining information on whether each region supports network sharing (i.e., information on shared and non-shared regions), the terminal determines whether it is currently in a shared or non-shared region. It then selects different network access methods depending on whether the terminal is in a shared or non-shared region, enabling the terminal to access the appropriate network in different regions and improving the terminal's communication quality.

[0086] For example, a terminal can access terrestrial network A when it is in a non-shared area, and access satellite network B when it is in a shared area. Alternatively, based on the actual scenario, the terminal can choose different network accesses when it is in a shared area and a non-shared area, thereby ensuring that the terminal has good communication quality in different areas.

[0087] In the method described in the above embodiments, the access network device first sends target information to the terminal. After obtaining the relevant information on whether each area supports network sharing carried in the target information, the terminal can determine whether it is currently located in an area that supports network sharing or an area that does not support network sharing based on its own location. When the terminal is located in an area that supports network sharing or an area that does not support network sharing, it can select different network accesses, so that the terminal can select to access the appropriate network in different areas. This effectively solves the problem in the prior art that it is impossible for the terminal to select different network accesses in shared and non-shared areas, and effectively improves the communication quality of the terminal.

[0088] In one embodiment, the target information includes at least one of the following: The geographical location information of the first region that supports network sharing; The first wireless communication network tracking area (TA) information corresponding to the first area that supports network sharing.

[0089] The geographical location information of the second area does not support network sharing; Tracking Area (TA) information of the first wireless communication network corresponding to the second area that does not support network sharing; The duration of coverage of the first area by the second wireless communication network; The duration of coverage of the second area by the second wireless communication network; Second wireless communication network device identifier (ID); Switching instruction information; the switching instruction information is used to instruct the terminal to access the second wireless communication network when entering the first area, and / or to instruct the terminal to access the first wireless communication network when entering the second area.

[0090] Specifically, in this embodiment, the area supporting network sharing carried in the target information can be characterized by geographic location information or by terrestrial network tracking (TA) information. That is, the target information can include geographic location information of a first area supporting network sharing and geographic location information of a second area not supporting network sharing. It can also include TA information of a first wireless communication network corresponding to the first area supporting network sharing and TA information of a first wireless communication network corresponding to the second area not supporting network sharing. This allows the terminal to accurately obtain relevant information about shared and non-shared areas through various types of information.

[0091] Optionally, the target information may also include the time during which the second wireless communication network covers the shared area and / or non-shared area. Optionally, if the second wireless communication network is a satellite network, the time during which the second wireless communication network covers the shared area is also the time during which the satellite network provides service in the shared area. Optionally, if the satellite network includes multiple satellites, the target information may also include the identification information of each satellite, thereby enabling the terminal to accurately determine the time of access to the second wireless communication network when in the shared area, improving the communication quality of the terminal.

[0092] Optionally, the target information may also include switching instruction information, which instructs the terminal to access the second wireless communication network when entering the first area, and / or instructs the terminal to access the first wireless communication network when entering the second area, thereby enabling the terminal to switch networks in a timely manner when entering or leaving the first area, effectively improving the communication quality of the terminal.

[0093] The method in the above embodiments may include geographical location information of the shared area and tracking area (TA) information of the first wireless communication network corresponding to the shared area in the target information, thereby enabling the terminal to accurately determine the area where the terminal is located and access the network in a timely manner; by carrying the time information of the second wireless communication network providing services in the first area, the device identifier of the second wireless communication network and the handover indication information in the target information, the terminal can accurately determine the time to access each network, effectively improving the communication quality of the terminal.

[0094] In one embodiment, sending target information to the terminal includes: Send a broadcast message to the terminal; the broadcast message includes target information.

[0095] Specifically, access network devices can carry target information in broadcast messages, so that terminals within the coverage area of ​​the access network devices can obtain relevant information on whether each area supports network sharing in a timely and accurate manner.

[0096] In one embodiment, before sending the target information to the terminal, the method further includes: Obtain target information from the Operations Management and Maintenance (OAM) unit.

[0097] Specifically, the base station can obtain target information from OAM and send the obtained target information to the terminal in a timely manner. Based on the received target information, the terminal can accurately determine whether it is currently in an area that supports network sharing or an area that does not support network sharing, and select different network accesses when the terminal is in an area that supports network sharing or an area that does not support network sharing, thus effectively improving the communication quality of the terminal.

[0098] In one embodiment, the access method further includes: The receiving terminal sends the terminal's geographical location; Send an indication message to the terminal; the indication message is used to indicate whether the terminal is in the first area that supports network sharing.

[0099] Specifically, in this embodiment, the terminal can send its geographical location and / or target information to the access network device. Based on the target information and the terminal's geographical location, the access network device can accurately determine whether the terminal is in a first area supporting network sharing and inform the terminal via indication information. After receiving the indication information from the access network device, the terminal can determine the wireless communication network to access based on its current location. Optionally, if the terminal determines it is in a first area supporting network sharing based on the indication information, the terminal accesses a second wireless communication network, i.e., a satellite network. If the terminal is determined to be in a second area not supporting network sharing, the terminal accesses a first wireless communication network, i.e., a terrestrial network.

[0100] In the method described above, after receiving the geographic location information sent by the terminal, the access network device can send instruction information to the terminal, enabling the terminal to select a suitable network for access based on the instruction information, thereby improving the terminal's communication quality.

[0101] like Figure 5 As shown in the embodiments of this application, an access method is also provided, applied to core network equipment, including: Step 501: Send target information to the terminal; the target information includes information on whether each geographical area supports network sharing; the target information is used by the terminal to determine the wireless communication network to be accessed.

[0102] Specifically, in this embodiment, the core network device first sends target information to the terminal, wherein the target information includes information on whether each area supports network sharing. Optionally, areas that support network sharing are called shared areas, and areas that do not support network sharing are called non-shared areas.

[0103] After obtaining information on whether each region supports network sharing (i.e., information on shared and non-shared regions), the terminal determines whether it is currently in a shared or non-shared region. It then selects different network access methods depending on whether the terminal is in a shared or non-shared region, enabling the terminal to access the appropriate network in different regions and improving the terminal's communication quality.

[0104] For example, a terminal can access terrestrial network A when it is in a non-shared area, and access satellite network B when it is in a shared area. Alternatively, based on the actual scenario, the terminal can choose different network accesses when it is in a shared area and a non-shared area, thereby ensuring that the terminal has good communication quality in different areas.

[0105] In the method described in the above embodiments, the core network device first sends target information to the terminal. After obtaining the relevant information on whether each area supports network sharing carried in the target information, the terminal can determine whether it is currently located in an area that supports network sharing or an area that does not support network sharing based on its own location. When the terminal is located in an area that supports network sharing or an area that does not support network sharing, it can select different network accesses, so that the terminal can select to access the appropriate network in different areas. This effectively solves the problem in the prior art that the terminal cannot select different network accesses in shared and non-shared areas due to the different terrestrial TA division and satellite TA division, and effectively improves the communication quality of the terminal.

[0106] In one embodiment, the target information includes at least one of the following: The geographical location information of the first region that supports network sharing; The first wireless communication network tracking area (TA) information corresponding to the first area that supports network sharing.

[0107] The geographical location information of the second area does not support network sharing; Tracking Area (TA) information of the first wireless communication network corresponding to the second area that does not support network sharing; The duration of coverage of the first area by the second wireless communication network; The duration of coverage of the second area by the second wireless communication network; Second wireless communication network device identifier (ID); Switching instruction information; the switching instruction information is used to instruct the terminal to access the second wireless communication network when entering the first area, and / or to instruct the terminal to access the first wireless communication network when entering the second area.

[0108] Specifically, in this embodiment, the area supporting network sharing carried in the target information can be characterized by geographic location information or by terrestrial network tracking (TA) information. That is, the target information can include geographic location information of a first area supporting network sharing and geographic location information of a second area not supporting network sharing. It can also include TA information of a first wireless communication network corresponding to the first area supporting network sharing and TA information of a first wireless communication network corresponding to the second area not supporting network sharing. This allows the terminal to accurately obtain relevant information about shared and non-shared areas through various types of information.

[0109] Optionally, the target information may also include the time during which the second wireless communication network covers the shared area and / or non-shared area. Optionally, if the second wireless communication network is a satellite network, the time during which the second wireless communication network covers the shared area is also the time during which the satellite network provides service in the shared area. Optionally, if the satellite network includes multiple satellites, the target information may also include the identification information of each satellite, thereby enabling the terminal to accurately determine the time of access to the second wireless communication network when in the shared area, improving the communication quality of the terminal.

[0110] Optionally, the target information may also include switching instruction information, which instructs the terminal to access the second wireless communication network when entering the first area, and / or instructs the terminal to access the first wireless communication network when entering the second area, thereby enabling the terminal to switch networks in a timely manner when entering or leaving the first area, effectively improving the communication quality of the terminal.

[0111] The method in the above embodiments may include geographical location information of the shared area and tracking area (TA) information of the first wireless communication network corresponding to the shared area in the target information, thereby enabling the terminal to accurately determine the area where the terminal is located and access the network in a timely manner; by carrying the time information of the second wireless communication network providing services in the first area, the device identifier of the second wireless communication network and the handover indication information in the target information, the terminal can accurately determine the time to access each network, effectively improving the communication quality of the terminal.

[0112] In one embodiment, sending target information to the terminal includes: Send a non-access stratum (NAS) message to the terminal; the NAS message includes target information.

[0113] Specifically, core network devices can carry target information in NAS messages, enabling terminals to accurately obtain information on whether each area supports network sharing. Optionally, NAS messages may include at least one of the following: Attach successful (accept / reject), Location Area Update completed (TAU accept / reject), Downlink NAS Transport, Service completed (accept / reject), Registration accept / reject message, and Deregistration accept / reject message.

[0114] In one embodiment, the access method further includes: Update the target information in the terminal's USIM.

[0115] Specifically, in this embodiment of the application, the terminal can obtain the pre-configured target information in the USIM card, and the network-side device can also update the target information in the USIM card, so that the terminal can obtain the updated target information from the USIM card in a timely and accurate manner.

[0116] Figure 6a One of the interactive flow diagrams of the access method provided in the embodiments of this application is shown below: 1. The base station obtains information from the Operation Management and Maintenance (OAM) unit regarding whether each area supports network sharing, which is carried in the target information. Optionally, areas that support network sharing are designated as shared areas, and areas that do not support network sharing are designated as non-shared areas. Optionally, the shared area information can be related to geographical location, or it can be at the TA (Target Location) granularity or other forms of geographical location information.

[0117] 2. The base station broadcasts shared PLMN and shared area information and / or non-shared area information. Optionally, the base station supports broadcasting multiple shared PLMN and shared area information and / or non-shared area information, as well as broadcasting shared PLMN and shared area information and / or non-shared area information supported by subsequent satellites based on ephemeris information.

[0118] 3. The terminal determines whether it is in a shared area based on its own geographical location and the shared area information and / or non-shared area information received from the broadcast. If it is in a shared area, it uses a shared PLMN for access.

[0119] Alternatively, the following two methods can be used to determine whether a terminal is in a shared area: a) The shared area information broadcast is geographic location information, such as latitude and longitude range. The terminal obtains its own geographic location based on GNSS and makes a judgment based on the geographic location information.

[0120] b) The shared area information broadcast is identification information such as TA. The terminal reports the terminal's geographical location obtained by GNSS to the base station, and the base station notifies the terminal whether it is in the shared area.

[0121] In the method described in the above embodiments, the access network device sends target information to the terminal. After obtaining the relevant information on whether each area supports network sharing carried in the target information, the terminal can determine whether it is currently located in an area that supports network sharing or an area that does not support network sharing based on its own location. When the terminal is located in an area that supports network sharing or an area that does not support network sharing, it can select different network access methods. This allows the terminal to select an appropriate network to access in different areas, effectively solving the problem that in satellite access network sharing scenarios, due to the difference between the terrestrial TA division and the existing satellite access base station TA division, the terminal cannot select different access methods in non-shared areas and shared areas, effectively improving the communication quality of the terminal.

[0122] This application embodiment also provides an interaction flow for another access method, as follows: 1. Add shared area and / or non-shared area information for shared PLMNs in advance in the terminal and UDM, so that the terminal takes the shared area and / or non-shared area information into account when selecting PLMNs.

[0123] For example, the terminal shared PLMNID supports access technologies such as terrestrial 5G NR and satellite access. Combining the shared information, satellite access is preferred in the shared area, and terrestrial 5G NR is preferred in the non-shared area. This list can be updated using the SOR method.

[0124] Figure 6b The following is a schematic diagram of the interaction flow of another access method provided in an embodiment of this application: like Figure 7 The TA planning diagram shown indicates that the satellite network planning TAs are TA1, TA2, and TA3. In the terrestrial network, TAa and TAb are areas that support network sharing (shared areas), while TAc is an area that does not support network sharing (non-shared area). When a satellite flies from TAa towards TAb or Tac, core network devices (such as AMF and MME network elements) in the shared areas (TAa, TAb) can notify terminals that they are about to enter a non-shared area (e.g., a NAS message). This information includes at least one of the following: Geographic information of non-shared areas; The time a satellite spends in a non-shared area; The time during which the next (or more) satellites will provide service in the shared area; or

[0125] The satellite ID of the next (or more) satellites and the time during which the next (or more) satellites will provide services in the shared area.

[0126] When a terminal receives a message from a non-shared area or when the next (or more) satellites are providing services in a shared area, a corresponding timer can be set to prevent the terminal from accessing the network via satellite when the satellite is in a non-shared area or before accessing the next satellite.

[0127] In non-shared areas, the opposite is true. Terminals access the network via a terrestrial network, and the ground-based AMF notifies the terminal of its shared area information via NAS messages. This information includes at least one of the following: The time a satellite spends in the shared area.

[0128] The geographical location of the shared area and / or handover indication will allow the terminal to actively attempt satellite access when it moves into the shared area, based on indications (such as handover indications) obtained from the network in the non-shared area.

[0129] In the method described in the above embodiments, the core network device sends target information to the terminal. After obtaining the relevant information on whether each area supports network sharing carried in the target information, the terminal can determine whether it is currently located in an area that supports network sharing or an area that does not support network sharing based on its own location. When the terminal is located in an area that supports network sharing or an area that does not support network sharing, it can select different network access methods. This allows the terminal to select an appropriate network to access in different areas, effectively solving the problem that in satellite access network sharing scenarios, due to the difference between the terrestrial TA division and the existing satellite access base station TA division, the terminal cannot select different access methods in non-shared areas and shared areas, thus effectively improving the communication quality of the terminal.

[0130] Figure 8 This is a schematic diagram of the terminal structure provided in the embodiments of this application, such as... Figure 8 As shown, the terminal includes a user interface 830, a memory 820, a transceiver 810, and a processor 800; wherein the processor 800 and the memory 820 can also be physically arranged separately.

[0131] The memory 820 is used to store computer programs; the transceiver 810 is used to send and receive data under the control of the processor 800.

[0132] Specifically, the transceiver 810 is used to receive and send data under the control of the processor 800.

[0133] Among them, Figure 8 In this application, the bus architecture can include any number of interconnected buses and bridges, specifically linking various circuits of one or more processors represented by processor 800 and memory represented by memory 820 together. The bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, which are well known in the art and therefore will not be further described herein. The bus interface provides an interface. The transceiver 810 can be multiple elements, including a transmitter and a receiver, providing a unit for communicating with various other devices over a transmission medium, including wireless channels, wired channels, optical fibers, etc. Processor 800 is responsible for managing the bus architecture and general processing, and memory 820 can store data used by processor 800 during operation.

[0134] The processor 800 can be a central processing unit (CPU), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or a complex programmable logic device (CPLD). The processor can also adopt a multi-core architecture.

[0135] The processor 800 calls a computer program stored in the memory 820 to execute any of the methods provided in the embodiments of this application according to the obtained executable instructions, such as: obtaining target information; the target information includes relevant information on whether each geographical area supports network sharing; and determining the wireless communication network to be accessed based on the target information.

[0136] Optionally, the target information includes at least one of the following: The geographical location information of the first region that supports network sharing; The first wireless communication network tracking area (TA) information corresponding to the first area that supports network sharing.

[0137] The geographical location information of the second area does not support network sharing; Tracking Area (TA) information of the first wireless communication network corresponding to the second area that does not support network sharing; The duration of coverage of the first area by the second wireless communication network; The duration of coverage of the second area by the second wireless communication network; Second wireless communication network device identifier (ID); Switching instruction information; the switching instruction information is used to instruct the terminal to access the second wireless communication network when entering the first area, and / or to instruct the terminal to access the first wireless communication network when entering the second area.

[0138] Optionally, the target information is obtained, including at least one of the following: Receive target information sent by access network devices; Obtain the target information configured in the Global Subscriber Identity Module (USIM); the target information and the PLMN list configured in the USIM are used by the terminal to select the wireless communication network to access. Receive target information sent by core network equipment.

[0139] Optionally, receiving target information sent by the access network device includes: Receive broadcast messages sent by access network devices; the broadcast messages include target information.

[0140] Optionally, receiving target information sent by the core network equipment includes: Receive non-access stratum (NAS) messages sent by core network devices; the NAS messages include target information.

[0141] Optionally, based on the target information, the wireless communication network to be accessed is determined, including: Based on the terminal's geographical location and target information, determine the wireless communication network to be accessed.

[0142] Optionally, based on the terminal's geographical location and target information, the wireless communication network to be accessed is determined, including: Based on the terminal's geographical location and target information, it is determined that the terminal can access the second wireless communication network if it is in a first area that supports network sharing.

[0143] Optionally, based on the target information, the wireless communication network to be accessed is determined, including: The wireless communication network to be accessed is determined based on the TA information and target information of the first wireless communication network carried in the broadcast message.

[0144] Optionally, the wireless communication network to be accessed is determined based on the TA information and target information of the first wireless communication network carried in the broadcast message, including: Based on the TA information and target information of the first wireless communication network carried in the broadcast message, it is determined that the terminal accesses the second wireless communication network if the first area supports network sharing.

[0145] Optionally, based on the target information, the wireless communication network to be accessed is determined, including: Send the terminal's geographical location and target information to the access network equipment; Receive indication information sent by the access network device; the indication information is used to indicate whether the terminal is in the first area that supports network sharing; Based on the instructions, determine the wireless communication network to be accessed.

[0146] Optionally, based on the indication information, the wireless communication network to be accessed is determined, including: Based on the instructions, it is determined that the terminal accesses the second wireless communication network in a first area that supports network sharing.

[0147] Optionally, if the target information determines that the second wireless communication network covers the second area, the terminal is prohibited from accessing the second wireless communication network.

[0148] Optionally, a timer can be set; the timer is used to indicate the duration for which the terminal is prohibited from accessing the second wireless communication network.

[0149] Optionally, the start time for the second wireless communication network to cover the first area is determined based on the target information; Terminals are prohibited from accessing the second wireless communication network before the second wireless communication network begins to cover the first area.

[0150] Optionally, it may also include at least one of the following: If the terminal location is determined to have changed, the wireless communication network to be accessed is determined based on the changed terminal location and target information. Once the updated target information is obtained, the wireless communication network to be accessed is determined based on the updated target information.

[0151] Optionally, it may also include at least one of the following: If the distance the terminal moves exceeds a preset value, it is determined that the terminal's position has changed; If the TA information of the first wireless communication network in the received broadcast message changes, it is determined that the terminal location has changed.

[0152] Optionally, the first wireless communication network includes a terrestrial network; the second wireless communication network includes a satellite network.

[0153] Figure 9 This is a schematic diagram of the structure of the access network device provided in the embodiments of this application, such as... Figure 9 As shown, the network-side device includes a memory 920, a transceiver 910, and a processor 900; wherein the processor 900 and the memory 920 can also be physically arranged separately.

[0154] The memory 920 is used to store computer programs; the transceiver 910 is used to send and receive data under the control of the processor 900.

[0155] Specifically, the transceiver 910 is used to receive and send data under the control of the processor 900.

[0156] Among them, Figure 9 In this application, the bus architecture can include any number of interconnected buses and bridges, specifically linking various circuits of one or more processors represented by processor 900 and memory represented by memory 920 together. The bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, which are well known in the art and therefore will not be further described herein. The bus interface provides an interface. The transceiver 910 can be multiple elements, including a transmitter and a receiver, providing a unit for communicating with various other devices over a transmission medium, including wireless channels, wired channels, optical fibers, etc. Processor 900 is responsible for managing the bus architecture and general processing, and memory 920 can store data used by processor 900 during operation.

[0157] The processor 900 can be a CPU, ASIC, FPGA or CPLD, and the processor can also adopt a multi-core architecture.

[0158] The processor 900 calls the computer program stored in the memory 920 to execute any of the methods provided in the embodiments of this application according to the obtained executable instructions, such as: sending target information to the terminal; the target information includes relevant information on whether each geographical area supports network sharing; the target information is used by the terminal to determine the wireless communication network to be accessed.

[0159] Optionally, the target information includes at least one of the following: The geographical location information of the first region that supports network sharing; The first wireless communication network tracking area (TA) information corresponding to the first area that supports network sharing.

[0160] The geographical location information of the second area does not support network sharing; Tracking Area (TA) information of the first wireless communication network corresponding to the second area that does not support network sharing; The duration of coverage of the first area by the second wireless communication network; The duration of coverage of the second area by the second wireless communication network; Second wireless communication network device identifier (ID); Switching instruction information; the switching instruction information is used to instruct the terminal to access the second wireless communication network when entering the first area, and / or to instruct the terminal to access the first wireless communication network when entering the second area.

[0161] Optionally, target information is sent to the terminal, including: Send a broadcast message to the terminal; the broadcast message includes target information.

[0162] Optionally, before sending the target information to the terminal, the following steps are also included: Obtain target information from the Operations Management and Maintenance (OAM) unit.

[0163] Optionally, it also includes: The receiving terminal sends the terminal's geographical location; Send an indication message to the terminal; the indication message is used to indicate whether the terminal is in the first area that supports network sharing.

[0164] Figure 10 This is a schematic diagram of the core network equipment provided in the embodiments of this application, such as... Figure 10 As shown, the network-side device includes a memory 1020, a transceiver 1010, and a processor 1000; wherein the processor 1000 and the memory 1020 can also be physically arranged separately.

[0165] The memory 1020 is used to store computer programs; the transceiver 1010 is used to send and receive data under the control of the processor 1000.

[0166] Specifically, the transceiver 1010 is used to receive and send data under the control of the processor 1000.

[0167] Among them, Figure 10In this application, the bus architecture can include any number of interconnected buses and bridges, specifically linking various circuits together, including one or more processors represented by processor 1000 and memory represented by memory 1020. The bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, which are well known in the art and therefore will not be further described herein. A bus interface provides an interface. Transceiver 1010 can be multiple elements, including transmitters and receivers, providing units for communicating with various other devices over transmission media, including wireless channels, wired channels, optical fibers, etc. Processor 1000 is responsible for managing the bus architecture and general processing, and memory 1020 can store data used by processor 1000 during operation.

[0168] The processor 1000 can be a CPU, ASIC, FPGA or CPLD, and the processor can also adopt a multi-core architecture.

[0169] The processor 1000 calls a computer program stored in the memory 1020 to execute any of the methods provided in the embodiments of this application according to the obtained executable instructions, such as: sending target information to the terminal; the target information includes relevant information on whether each geographical area supports network sharing; the target information is used by the terminal to determine the wireless communication network to be accessed.

[0170] Optionally, the target information includes at least one of the following: The geographical location information of the first region that supports network sharing; The first wireless communication network tracking area (TA) information corresponding to the first area that supports network sharing.

[0171] The geographical location information of the second area does not support network sharing; Tracking Area (TA) information of the first wireless communication network corresponding to the second area that does not support network sharing; The duration of coverage of the first area by the second wireless communication network; The duration of coverage of the second area by the second wireless communication network; Second wireless communication network device identifier (ID); Switching instruction information; the switching instruction information is used to instruct the terminal to access the second wireless communication network when entering the first area, and / or to instruct the terminal to access the first wireless communication network when entering the second area.

[0172] Optionally, target information is sent to the terminal, including: Send a non-access stratum (NAS) message to the terminal; the NAS message includes target information.

[0173] Optionally, it also includes: Update the target information in the terminal's USIM.

[0174] Figure 11 This is a schematic diagram of the access device provided in an embodiment of this application. The device is applied to a terminal, such as... Figure 11 As shown, the device includes: The acquisition unit 1100 is used to acquire target information; the target information includes information on whether each geographical area supports network sharing. The determining unit 1110 is used to determine the wireless communication network to be accessed based on the target information.

[0175] Optionally, the target information includes at least one of the following: The geographical location information of the first region that supports network sharing; The first wireless communication network tracking area (TA) information corresponding to the first area that supports network sharing.

[0176] The geographical location information of the second area does not support network sharing; Tracking Area (TA) information of the first wireless communication network corresponding to the second area that does not support network sharing; The duration of coverage of the first area by the second wireless communication network; The duration of coverage of the second area by the second wireless communication network; Second wireless communication network device identifier (ID); Switching instruction information; the switching instruction information is used to instruct the terminal to access the second wireless communication network when entering the first area, and / or to instruct the terminal to access the first wireless communication network when entering the second area.

[0177] Optionally, the acquisition unit 1100 is used for: Receive target information sent by access network devices; Obtain the target information configured in the Global Subscriber Identity Module (USIM); the target information and the PLMN list configured in the USIM are used by the terminal to select the wireless communication network to access. Receive target information sent by core network equipment.

[0178] Optionally, the acquisition unit 1100 is used for: Receive broadcast messages sent by access network devices; the broadcast messages include target information.

[0179] Optionally, the acquisition unit 1100 is used for: Receive non-access stratum (NAS) messages sent by core network devices; the NAS messages include target information.

[0180] Optionally, the determining unit 1110 is used to: Based on the terminal's geographical location and target information, determine the wireless communication network to be accessed.

[0181] Optionally, the determining unit 1110 is used to: Based on the terminal's geographical location and target information, it is determined that the terminal can access the second wireless communication network if it is in a first area that supports network sharing.

[0182] Optionally, the determining unit 1110 is used to: The wireless communication network to be accessed is determined based on the TA information and target information of the first wireless communication network carried in the broadcast message.

[0183] Optionally, the determining unit 1110 is used to: Based on the TA information and target information of the first wireless communication network carried in the broadcast message, it is determined that the terminal accesses the second wireless communication network if the first area supports network sharing.

[0184] Optionally, the apparatus further includes a sending unit, which is used to send the terminal's geographical location and target information to the access network device; The acquisition unit 1100 is used for: Receive indication information sent by the access network device; the indication information is used to indicate whether the terminal is in the first area that supports network sharing; The determining unit 1110 is used for: Based on the instructions, determine the wireless communication network to be accessed.

[0185] Optionally, the determining unit 1110 is used to: Based on the instructions, it is determined that the terminal accesses the second wireless communication network in a first area that supports network sharing.

[0186] Optionally, the determining unit 1110 is used to: Based on the target information, if it is determined that the second wireless communication network covers the second area, then the terminal is prohibited from accessing the second wireless communication network.

[0187] Optionally, the determining unit 1110 is further configured to: Set a timer; the timer is used to indicate the duration for which the terminal is prohibited from accessing the second wireless communication network.

[0188] Optionally, the determining unit 1110 is further configured to: Based on the target information, determine the start time for the second wireless communication network to cover the first area; Terminals are prohibited from accessing the second wireless communication network before the second wireless communication network begins to cover the first area.

[0189] Optionally, the determining unit 1110 is used to: If the terminal location is determined to have changed, the wireless communication network to be accessed is determined based on the changed terminal location and target information. Once the updated target information is obtained, the wireless communication network to be accessed is determined based on the updated target information.

[0190] Optionally, the determining unit 1110 is further configured to: If the distance the terminal moves exceeds a preset value, it is determined that the terminal's position has changed; If the TA information of the first wireless communication network in the received broadcast message changes, it is determined that the terminal location has changed.

[0191] Optionally, the first wireless communication network includes a terrestrial network; the second wireless communication network includes a satellite network.

[0192] Figure 12 This is a schematic diagram of the structure of an access device provided in an embodiment of this application. This device is applied to access network equipment, such as... Figure 12 As shown, the device includes: The transmitting unit 1200 is used to transmit target information to the terminal; the target information includes relevant information on whether each geographical area supports network sharing; the target information is used by the terminal to determine the wireless communication network to be accessed.

[0193] Optionally, the target information includes at least one of the following: The geographical location information of the first region that supports network sharing; The first wireless communication network tracking area (TA) information corresponding to the first area that supports network sharing.

[0194] The geographical location information of the second area does not support network sharing; Tracking Area (TA) information of the first wireless communication network corresponding to the second area that does not support network sharing; The duration of coverage of the first area by the second wireless communication network; The duration of coverage of the second area by the second wireless communication network; Second wireless communication network device identifier (ID); Switching instruction information; the switching instruction information is used to instruct the terminal to access the second wireless communication network when entering the first area, and / or to instruct the terminal to access the first wireless communication network when entering the second area.

[0195] Optionally, the transmitting unit 1200 is used for: Send a broadcast message to the terminal; the broadcast message includes target information.

[0196] Optionally, the apparatus further includes an acquisition unit for: Obtain target information from the Operations Management and Maintenance (OAM) unit.

[0197] Optionally, the device further includes a receiving unit for: The receiving terminal sends the terminal's geographical location; The transmitting unit 1200 is used for: Send an indication message to the terminal; the indication message is used to indicate whether the terminal is in the first area that supports network sharing.

[0198] Figure 13 This is a schematic diagram of the structure of an access device provided in an embodiment of this application. This device is applied to access network equipment, such as... Figure 13 As shown, the device includes: The transmitting unit 1300 is used to transmit target information to the terminal; the target information includes information on whether each geographical area supports network sharing; the target information is used by the terminal to determine the wireless communication network to be accessed.

[0199] Optionally, the transmitting unit 1300 is used for: Send a non-access stratum (NAS) message to the terminal; the NAS message includes target information.

[0200] Optionally, the device further includes an updating unit for: Update the target information in the terminal's USIM.

[0201] It should be noted that the division of units in the embodiments of this application is illustrative and only represents one logical functional division. In actual implementation, other division methods may be used. Furthermore, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated units described above can be implemented in hardware or as software functional units.

[0202] If the integrated unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) or processor to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0203] It should be noted that the apparatus provided in this application embodiment can implement all the method steps implemented in the above method embodiment and can achieve the same technical effect. Here, the parts that are the same as those in the method embodiment and the beneficial effects will not be described in detail.

[0204] On the other hand, embodiments of this application also provide a processor-readable storage medium storing a computer program, the computer program being used to cause the processor to execute the data collection methods provided in the above embodiments, including: acquiring target information; the target information including relevant information on whether each geographical area supports network sharing; and determining the wireless communication network to be accessed based on the target information.

[0205] On the other hand, embodiments of this application also provide a processor-readable storage medium storing a computer program, the computer program being used to cause the processor to execute the reference signal transmission method provided in the above embodiments, including: sending target information to a terminal; the target information including relevant information on whether each geographical area supports network sharing; the target information being used by the terminal to determine the wireless communication network to be accessed.

[0206] On the other hand, embodiments of this application also provide a processor-readable storage medium storing a computer program, the computer program being used to cause the processor to execute the reference signal transmission method provided in the above embodiments, including: sending target information to a terminal; the target information including relevant information on whether each geographical area supports network sharing; the target information being used by the terminal to determine the wireless communication network to be accessed.

[0207] The processor-readable storage medium can be any available medium or data storage device that the processor can access, including but not limited to magnetic memory (e.g., floppy disk, hard disk, magnetic tape, magneto-optical disk (MO)), optical memory (e.g., CD, DVD, BD, HVD), and semiconductor memory (e.g., ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drive (SSD)).

[0208] Those skilled in the art will understand that embodiments of this application can be provided as methods, systems, or computer program products. Therefore, this application can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, this application can take the form of a computer program product implemented on one or more computer-usable storage media (including, but not limited to, disk storage and optical storage) containing computer-usable program code.

[0209] This application is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this application. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer-executable instructions. These computer-executable instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, generate instructions for implementing the flowchart... Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0210] These processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the processor-readable memory produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0211] These processors can execute instructions that can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable device for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0212] Obviously, those skilled in the art can make various modifications and variations to this application without departing from the spirit and scope of this application. Therefore, if such modifications and variations fall within the scope of this application and its equivalents, this application also intends to include such modifications and variations.

Claims

1. An access method, characterized in that, Applied to terminals, including: Obtain target information; the target information includes information on whether each geographical region supports network sharing; Based on the target information, the wireless communication network to be accessed is determined.

2. The access method according to claim 1, characterized in that, The target information includes at least one of the following: The geographical location information of the first region that supports network sharing; The first wireless communication network tracking area (TA) information corresponding to the first area that supports network sharing; The geographical location information of the second area does not support network sharing; Tracking Area (TA) information of the first wireless communication network corresponding to the second area that does not support network sharing; The duration of coverage of the first area by the second wireless communication network; The duration of coverage of the second area by the second wireless communication network; Second wireless communication network device identifier (ID); Switching instruction information; the switching instruction information is used to instruct the terminal to access the second wireless communication network when entering the first area, and / or to instruct the terminal to access the first wireless communication network when entering the second area.

3. The access method according to claim 1, characterized in that, The acquisition of target information includes at least one of the following: Receive target information sent by access network devices; The target information configured in the Global Subscriber Identity Module (USIM) is obtained; the target information and the PLMN list configured in the USIM are used by the terminal to select the wireless communication network to access. Receive target information sent by core network equipment.

4. The access method according to claim 3, characterized in that, The target information received from the access network device includes: Receive a broadcast message sent by an access network device; the broadcast message includes the target information.

5. The access method according to claim 3, characterized in that, The target information received from the core network device includes: Receive a non-access stratum (NAS) message sent by a core network device; the NAS message includes the target information.

6. The access method according to any one of claims 1-5, characterized in that, The step of determining the wireless communication network to be accessed based on the target information includes: Based on the terminal's geographical location and the target information, the wireless communication network to be accessed is determined.

7. The access method according to claim 6, characterized in that, The step of determining the wireless communication network to be accessed based on the terminal's geographical location and the target information includes: Based on the terminal's geographical location and the target information, it is determined that the terminal can access the second wireless communication network in a first area that supports network sharing.

8. The access method according to any one of claims 1-5, characterized in that, The step of determining the wireless communication network to be accessed based on the target information includes: The wireless communication network to be accessed is determined based on the TA information of the first wireless communication network carried in the broadcast message and the target information.

9. The access method according to claim 8, characterized in that, The step of determining the wireless communication network to be accessed based on the TA information of the first wireless communication network carried in the broadcast message and the target information includes: Based on the TA information of the first wireless communication network and the target information carried in the broadcast message, it is determined that the terminal accesses the second wireless communication network if the first area supports network sharing.

10. The access method according to any one of claims 1-5, characterized in that, The step of determining the wireless communication network to be accessed based on the target information includes: Send the terminal's geographical location and the target information to the access network device; The terminal receives an indication message sent by an access network device; the indication message is used to indicate whether the terminal is in a first area that supports network sharing. Based on the indicated information, the wireless communication network to be accessed is determined.

11. The access method according to claim 10, characterized in that, The step of determining the wireless communication network to be accessed based on the indication information includes: Based on the indicated information, it is determined that the terminal accesses the second wireless communication network in a first area that supports network sharing.

12. The access method according to any one of claims 1-5, characterized in that, The method further includes: Based on the target information, if it is determined that the second wireless communication network covers the second area, then the terminal is prohibited from accessing the second wireless communication network.

13. The access method according to claim 12, characterized in that, The method further includes: Set a timer; the timer is used to indicate the duration for which the terminal is prohibited from accessing the second wireless communication network.

14. The access method according to any one of claims 1-5, characterized in that, The method further includes: Based on the target information, determine the start time for the second wireless communication network to cover the first area; Before the second wireless communication network begins to cover the first area, the terminal is prohibited from accessing the second wireless communication network.

15. The access method according to any one of claims 1-5, characterized in that, The method further includes at least one of the following: If the terminal location is determined to have changed, the wireless communication network to be accessed is determined based on the changed terminal location and the target information. If the updated target information is obtained, the wireless communication network to be accessed is determined based on the updated target information.

16. The access method according to claim 15, characterized in that, The method further includes at least one of the following: If the distance the terminal moves exceeds a preset value, it is determined that the terminal's position has changed; If the TA information of the first wireless communication network in the received broadcast message changes, it is determined that the terminal location has changed.

17. The access method according to any one of claims 2-5, characterized in that, The first wireless communication network includes a terrestrial wireless communication network; the second wireless communication network includes a satellite wireless communication network.

18. An access method, characterized in that, Applied to access network equipment, including: The terminal sends target information; the target information includes information on whether each geographical area supports network sharing; the target information is used by the terminal to determine the wireless communication network to be accessed.

19. The access method according to claim 18, characterized in that, The target information includes at least one of the following: The geographical location information of the first region that supports network sharing; The first wireless communication network tracking area (TA) information corresponding to the first area that supports network sharing. The geographical location information of the second area does not support network sharing; Tracking Area (TA) information of the first wireless communication network corresponding to the second area that does not support network sharing; The duration of coverage of the first area by the second wireless communication network; The duration of coverage of the second area by the second wireless communication network; Second wireless communication network device identifier (ID); Switching instruction information; the switching instruction information is used to instruct the terminal to access the second wireless communication network when entering the first area, and / or to instruct the terminal to access the first wireless communication network when entering the second area.

20. The access method according to claim 18, characterized in that, Sending target information to the terminal includes: A broadcast message is sent to the terminal; the broadcast message includes the target information.

21. The access method according to claim 20, characterized in that, Before sending the target information to the terminal, the method further includes: The target information is obtained from the Operations Management and Maintenance (OAM) unit.

22. The access method according to any one of claims 18-21, characterized in that, The method further includes: The receiving terminal sends the terminal's geographical location; Send indication information to the terminal; the indication information is used to indicate whether the terminal is in a first area that supports network sharing.

23. An access method, characterized in that, Applied to core network equipment, including: The terminal sends target information; the target information includes information on whether each geographical area supports network sharing; the target information is used by the terminal to determine the wireless communication network to be accessed.

24. The access method according to claim 23, characterized in that, The target information includes at least one of the following: The geographical location information of the first region that supports network sharing; The first wireless communication network tracking area (TA) information corresponding to the first area that supports network sharing. The geographical location information of the second area does not support network sharing; Tracking Area (TA) information of the first wireless communication network corresponding to the second area that does not support network sharing; The duration of coverage of the first area by the second wireless communication network; The duration of coverage of the second area by the second wireless communication network; Second wireless communication network device identifier (ID); Switching instruction information; the switching instruction information is used to instruct the terminal to access the second wireless communication network when entering the first area, and / or to instruct the terminal to access the first wireless communication network when entering the second area.

25. The access method according to claim 23, characterized in that, Sending target information to the terminal includes: Send a Non-Access Stratum (NAS) message to the terminal; the NAS message includes the target information.

26. The access method according to any one of claims 23-25, characterized in that, The method further includes: Update the target information in the USIM of the terminal.

27. A terminal, comprising a memory, a transceiver, and a processor: A memory for storing computer programs; a transceiver for sending and receiving data under the control of the processor; and a processor for reading the computer programs from the memory and performing the following operations: Obtain target information; the target information includes information on whether each geographical region supports network sharing; Based on the target information, the wireless communication network to be accessed is determined.

28. The terminal according to claim 27, characterized in that, The processor is also used to perform the following operations: Receive target information sent by access network devices; The target information configured in the Global Subscriber Identity Module (USIM) is obtained; the target information and the PLMN list configured in the USIM are used by the terminal to select the wireless communication network to access. Receive target information sent by core network equipment.

29. The terminal according to claim 28, characterized in that, The processor is also used to perform the following operations: Receive a broadcast message sent by an access network device; the broadcast message includes the target information.

30. The terminal according to claim 28, characterized in that, The processor is also used to perform the following operations: Receive a non-access stratum (NAS) message sent by a core network device; the NAS message includes the target information.

31. The terminal according to any one of claims 27-30, characterized in that, The processor is also used to perform the following operations: Based on the terminal's geographical location and the target information, the wireless communication network to be accessed is determined.

32. The terminal according to claim 31, characterized in that, The processor is also used to perform the following operations: Based on the terminal's geographical location and the target information, it is determined that the terminal can access the second wireless communication network in a first area that supports network sharing.

33. The terminal according to any one of claims 27-30, characterized in that, The processor is also used to perform the following operations: The wireless communication network to be accessed is determined based on the TA information of the first wireless communication network carried in the broadcast message and the target information.

34. The terminal according to claim 33, characterized in that, The processor is also used to perform the following operations: Based on the TA information of the first wireless communication network and the target information carried in the broadcast message, it is determined that the terminal accesses the second wireless communication network if the first area supports network sharing.

35. The terminal according to any one of claims 27-30, characterized in that, The processor is also used to perform the following operations: Send the terminal's geographical location and the target information to the access network device; The terminal receives an indication message sent by an access network device; the indication message is used to indicate whether the terminal is in a first area that supports network sharing. Based on the indicated information, the wireless communication network to be accessed is determined.

36. The terminal according to claim 35, characterized in that, The processor is also used to perform the following operations: Based on the indicated information, it is determined that the terminal accesses the second wireless communication network in a first area that supports network sharing.

37. The terminal according to any one of claims 27-30, characterized in that, The processor is also used to perform the following operations: Based on the target information, if it is determined that the second wireless communication network covers the second area, then the terminal is prohibited from accessing the second wireless communication network.

38. The terminal according to claim 37, characterized in that, The processor is also used to perform the following operations: Set a timer; the timer is used to indicate the duration for which the terminal is prohibited from accessing the second wireless communication network.

39. The terminal according to any one of claims 27-30, characterized in that, The processor is also used to perform the following operations: Based on the target information, determine the start time for the second wireless communication network to cover the first area; Before the second wireless communication network begins to cover the first area, the terminal is prohibited from accessing the second wireless communication network.

40. The terminal according to any one of claims 27-30, characterized in that, The processor is also used to perform the following operations: If the terminal location is determined to have changed, the wireless communication network to be accessed is determined based on the changed terminal location and the target information. If the updated target information is obtained, the wireless communication network to be accessed is determined based on the updated target information.

41. The terminal according to claim 40, characterized in that, The processor is also used to perform the following operations: If the distance the terminal moves exceeds a preset value, it is determined that the terminal's position has changed; If the TA information of the first wireless communication network in the received broadcast message changes, it is determined that the terminal location has changed.

42. An access network device, comprising a memory, a transceiver, and a processor: A memory for storing computer programs; a transceiver for sending and receiving data under the control of the processor; and a processor for reading the computer programs from the memory and performing the following operations: The terminal sends target information; the target information includes information on whether each geographical area supports network sharing; the target information is used by the terminal to determine the wireless communication network to be accessed.

43. The access network device according to claim 42, characterized in that, The processor is also used to perform the following operations: A broadcast message is sent to the terminal; the broadcast message includes the target information.

44. The access network device according to claim 42, characterized in that, The processor is also used to perform the following operations: The target information is obtained from the Operations Management and Maintenance (OAM) unit.

45. The access network device according to any one of claims 42-44, characterized in that, The processor is also used to perform the following operations: The receiving terminal sends the terminal's geographical location; Send indication information to the terminal; the indication information is used to indicate whether the terminal is in a first area that supports network sharing.

46. ​​A core network device, comprising a memory, a transceiver, and a processor: A memory for storing computer programs; a transceiver for sending and receiving data under the control of the processor; and a processor for reading the computer programs from the memory and performing the following operations: The terminal sends target information; the target information includes information on whether each geographical area supports network sharing; the target information is used by the terminal to determine the wireless communication network to be accessed.

47. The core network equipment according to claim 46, characterized in that, The processor is also used to perform the following operations: Send a Non-Access Stratum (NAS) message to the terminal; the NAS message includes the target information.

48. The core network equipment according to claim 46 or 47, characterized in that, The processor is also used to perform the following operations: Update the target information in the USIM of the terminal.

49. An access device, characterized in that, Applied to a terminal, the device includes: An acquisition unit is used to acquire target information; the target information includes information on whether each geographical region supports network sharing. The determining unit is used to determine the wireless communication network to be accessed based on the target information.

50. An access device, characterized in that, Applied to access network equipment, the device includes: A sending unit is used to send target information to a terminal; the target information includes information on whether each geographical area supports network sharing; the target information is used by the terminal to determine the wireless communication network to be accessed.

51. An access device, characterized in that, Applied to core network equipment, the device includes: A sending unit is used to send target information to a terminal; the target information includes information on whether each geographical area supports network sharing; the target information is used by the terminal to determine the wireless communication network to be accessed.

52. A processor-readable storage medium, characterized in that, The processor-readable storage medium stores a computer program that causes the processor to perform the method according to any one of claims 1 to 17, or the method according to any one of claims 18 to 22, or the method according to any one of claims 23 to 26.

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