Network access method and device and readable storage medium

Abstract

The invention discloses a network access method and device and a readable storage medium, relates to the technical field of communication, and aims to reduce the time signaling overhead of network access of a terminal. The method comprises the following steps: receiving first information sent by a first type of base stations; and accessing a target second type base station according to the first information. According to the embodiment of the invention, the time signaling overhead of network access of the terminal can be reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of communication, in particular to a method and device for accessing a network and a readable storage medium. BACKGROUND

[0002] In a scenario of accessing a network by a terminal with assistance of inter-base stations, there can be a process that the terminal accesses and registers to the network through one base station, and then is redirected to another base station after the registration. Obviously, this way has the problem of large time signaling overhead. SUMMARY

[0003] Embodiments of the present application provide a method and device for accessing a network and a readable storage medium, to reduce the time signaling overhead of a terminal accessing a network.

[0004] In a first aspect, embodiments of the present application provide a method for accessing a network, applied to a terminal, comprising:

[0005] receiving first information sent by a first type of base station;

[0006] accessing a target second type of base station according to the first information.

[0007] In some embodiments, the method further comprises:

[0008] determining second information, the second information being used to indicate that the terminal prefers to access the network through the second type of base station.

[0009] In some embodiments, the determining the second information comprises:

[0010] determining the second information according to configuration information of the terminal; or

[0011] determining the second information according to third information of a network function, wherein the third information is used to indicate whether the network function supports a first capability of the terminal, or the third information is used to indicate whether the network function supports the first capability and whether the terminal can prefer to access the network through the second type of base station, and the first capability is a capability of accessing the second type of base station by using the first type of base station.

[0012] In some embodiments, the determining the second information according to the third information of the network function comprises:

[0013] reporting capability information of the terminal to a network function, the capability information comprising a first indication, and the first indication being used to indicate the first capability of the terminal;

[0014] receiving the third information sent by the network function;

[0015] determining the second information according to the third information.

[0016] In some embodiments, the determining the second information according to the third information comprises:

[0017] The Non-Access Stratum (NAS) layer of the terminal sends a second indication to the Access Stratum (AS) layer of the terminal according to the third information, the second indication being used to indicate that the terminal expects to access the network through the second type of base station preferentially; and the AS of the terminal determines the second information according to the second indication.

[0018] In some embodiments, the capability information further comprises:

[0019] a third indication, used to indicate that the terminal expects to access the network through the second type of base station preferentially.

[0020] In some embodiments, the receiving the first information sent by the first type of base station comprises:

[0021] receiving the first information sent by the first type of base station through a broadcast message;

[0022] The first information comprises ephemeris information of a first satellite corresponding to the second type of base station and Public Land Mobile Network (PLMN) information corresponding to the first satellite, or the first information comprises one or more of the following information: ephemeris information of the first satellite, access type of the first satellite, frequency information of the first satellite, and PLMN information corresponding to the first satellite.

[0023] In some embodiments, if the first information comprises the ephemeris information of the first satellite and the PLMN information corresponding to the first satellite, the first information further comprises:

[0024] a fourth indication, used to indicate that the PLMN information is a satellite type of the first satellite.

[0025] In some embodiments, the first information comprises a Radio Resource Control (RRC) rejection message of the first type of base station.

[0026] The receiving the first information sent by the first type of base station comprises:

[0027] sending an RRC establishment request to the first type of base station;

[0028] receiving an RRC reject message sent by the first-type base station, the RRC reject message comprising a fifth indication, the fifth indication being used to indicate that the terminal selects a second-type base station.

[0029] In some embodiments, the RRC setup request comprises a sixth indication, the sixth indication being used to indicate that the terminal prefers to access the network through a second-type base station;

[0030] and / or

[0031] The RRC reject message further comprises:

[0032] information of the second-type base station, the information of the second-type base station comprising one or more of:

[0033] ephemeris information of a first satellite corresponding to the second-type base station, an access type of the first satellite, frequency information of the first satellite, and PLMN information corresponding to the first satellite.

[0034] In some embodiments, the access target second-type base station comprises:

[0035] sending, to the target second-type base station, an RRC setup request, the RRC setup request comprising a seventh indication, the seventh indication being used to indicate that the reason for the RRC setup is that the terminal prefers to access the network through a second-type base station or is redirected.

[0036] In a second aspect, embodiments of the present application provide a method for accessing a network, applied to a first-type base station, comprising:

[0037] sending, to a terminal, first information, the first information being used to determine to access a second-type base station.

[0038] In some embodiments, the sending, to the terminal, first information comprises:

[0039] sending, to the terminal, the first information through a broadcast message;

[0040] The first information comprises: ephemeris information of a first satellite corresponding to the second-type base station and public land mobile network (PLMN) information corresponding to the first satellite, or

[0041] The first information comprises one or more of: ephemeris information of the first satellite, an access type of the first satellite, frequency information of the first satellite, and PLMN information corresponding to the first satellite.

[0042] In some embodiments, if the first information comprises: ephemeris information of the first satellite and PLMN information corresponding to the first satellite, the first information further comprises:

[0043] The fourth indication is used to indicate that the PLMN information is the satellite type of the first satellite.

[0044] In some embodiments, the first information includes the RRC rejection message of the first type of base station;

[0045] Sending the first information to the terminal includes:

[0046] Receive the RRC establishment request sent by the terminal;

[0047] An RRC rejection message is sent to the terminal, the RRC rejection message including a fifth indication, the fifth indication being used to instruct the terminal to select a second type of base station.

[0048] In some embodiments, the RRC establishment request includes a sixth indication, which instructs the terminal to preferentially access the network via a second type of base station;

[0049] and / or

[0050] The RRC rejection message also includes:

[0051] The information of the second type of base station includes one or more of the following:

[0052] The ephemeris information of the first satellite corresponding to the second type of base station, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

[0053] Thirdly, embodiments of this application provide a method for accessing a network, applied to network functions, including:

[0054] The terminal receives capability information reported by the terminal. The capability information includes a first indication, which indicates a first capability of the terminal, namely the ability to access a second type of base station using a first type of base station.

[0055] Send a third message to the terminal, the third message being used to indicate whether the network function supports the first capability, or the third message being used to indicate whether the network function supports the first capability and whether the terminal can preferentially access the network through a second type of base station;

[0056] The third information is used to determine the second information, which indicates that the terminal preferentially accesses the network through the second type of base station.

[0057] In some embodiments, the capability information further includes:

[0058] The third instruction is used to indicate that the terminal expects to access the network preferentially through the second type of base station.

[0059] Fourthly, embodiments of this application provide a network access device, applied to a terminal, comprising: a memory, a transceiver, and a processor.

[0060] 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:

[0061] Receive the first information sent by the first type of base station;

[0062] Based on the first information, access the target second-type base station.

[0063] In some embodiments, the processor is further configured to read a computer program from the memory and perform the following operations:

[0064] The second piece of information is determined, which indicates that the terminal preferentially accesses the network through a second type of base station.

[0065] In some embodiments, determining the second information includes:

[0066] The second information is determined based on the configuration information of the terminal; or,

[0067] The second information is determined based on the third information of the network function, wherein the third information is used to indicate whether the network function supports the first capability of the terminal, or the third information is used to indicate whether the network function supports the first capability and whether the terminal can preferentially access the network through the second type of base station, wherein the first capability is the ability to access the second type of base station using the first type of base station.

[0068] In some embodiments, determining the second information based on third information about network functions includes:

[0069] The terminal's capability information is reported to the network function, the capability information including a first indication, the first indication being used to indicate a first capability of the terminal;

[0070] Receive the third information sent by the network function;

[0071] The second information is determined based on the third information.

[0072] In some embodiments, determining the second information based on the third information includes:

[0073] The NAS layer of the terminal sends a second indication to the AS layer of the terminal based on the third information. The second indication is used to indicate that the network should be accessed through a second type of base station first. The AS layer of the terminal determines the second information based on the second indication.

[0074] In some embodiments, the capability information further includes:

[0075] The third instruction is used to indicate that the terminal expects to access the network preferentially through the second type of base station.

[0076] In some embodiments, receiving the first information sent by the first type of base station includes:

[0077] Receive the first information sent by the first type of base station via broadcast message;

[0078] The first information includes: the ephemeris information of the first satellite corresponding to the second type of base station and the public terrestrial mobile network (PLMN) information corresponding to the first satellite; or, the first information includes one or more of the following: the ephemeris information of the first satellite, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

[0079] In some embodiments, if the first information includes: the ephemeris information of the first satellite and the PLMN information corresponding to the first satellite, the first information further includes:

[0080] The fourth indication is used to indicate that the PLMN information is the satellite type of the first satellite.

[0081] In some embodiments, the first information includes the RRC rejection message of the first type of base station;

[0082] The receipt of the first information sent by the first type of base station includes:

[0083] Send a Radio Resource Control (RRC) establishment request to the first type of base station;

[0084] The terminal receives an RRC rejection message sent by the first type of base station, the RRC rejection message including a fifth indication, the fifth indication being used to instruct the terminal to select a second type of base station.

[0085] In some embodiments, the RRC establishment request includes a sixth indication, which instructs the terminal to preferentially access the network via a second type of base station;

[0086] and / or

[0087] The RRC rejection message also includes:

[0088] The information of the second type of base station includes one or more of the following:

[0089] The ephemeris information of the first satellite corresponding to the second type of base station, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

[0090] In some embodiments, the access target second type base station includes:

[0091] Send an RRC establishment request to the target Type II base station. The RRC establishment request includes a seventh indication, the reason for which the terminal prioritizes accessing the network through the Type II base station or is redirected.

[0092] Fifthly, embodiments of this application provide an apparatus for accessing a network, applied to a first type of base station, comprising: a memory, a transceiver, and a processor.

[0093] 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:

[0094] Send first information to the terminal, the first information being used to determine access to the second type of base station.

[0095] In some embodiments, sending the first information to the terminal includes:

[0096] The first information is sent to the terminal via a broadcast message;

[0097] The first information includes: the ephemeris information of the first satellite corresponding to the second type of base station and the Public Land Mobile Network (PLMN) information corresponding to the first satellite, or...

[0098] The first information includes one or more of the following: the ephemeris information of the first satellite, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

[0099] In some embodiments, if the first information includes: the ephemeris information of the first satellite and the PLMN information corresponding to the first satellite, the first information further includes:

[0100] The fourth indication is used to indicate that the PLMN information is the satellite type of the first satellite.

[0101] In some embodiments, the first information includes the RRC rejection message of the first type of base station;

[0102] Sending the first information to the terminal includes:

[0103] Receive the RRC establishment request sent by the terminal;

[0104] An RRC rejection message is sent to the terminal, the RRC rejection message including a fifth indication, the fifth indication being used to instruct the terminal to select a second type of base station.

[0105] In some embodiments, the RRC establishment request includes a sixth indication, which instructs the terminal to preferentially access the network via a second type of base station;

[0106] and / or

[0107] The RRC rejection message also includes:

[0108] The information of the second type of base station includes one or more of the following:

[0109] The ephemeris information of the first satellite corresponding to the second type of base station, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

[0110] Sixthly, embodiments of this application provide a network access device for network functions, including: a memory, a transceiver, and a processor.

[0111] 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:

[0112] The terminal receives capability information reported by the terminal. The capability information includes a first indication, which indicates a first capability of the terminal, namely the ability to access a second type of base station using a first type of base station.

[0113] Send a third message to the terminal, the third message being used to indicate whether the network function supports the first capability, or the third message being used to indicate whether the network function supports the first capability and whether the terminal can preferentially access the network through a second type of base station;

[0114] The third information is used to determine the second information, which indicates that the terminal preferentially accesses the network through the second type of base station.

[0115] In some embodiments, the terminal's capability information further includes:

[0116] The third instruction is used to indicate that the terminal expects to access the network preferentially through the second type of base station.

[0117] In a seventh aspect, embodiments of this application provide a device for accessing a network, applied to a terminal, comprising:

[0118] The first receiving unit is used to receive the first information sent by the first type of base station;

[0119] The first processing unit is used to access the target second-type base station based on the first information.

[0120] Eighthly, embodiments of this application provide an apparatus for accessing a network, applied to a first type of base station, comprising:

[0121] The first sending unit is used to send first information to the terminal, the first information being used to determine access to the second type of base station.

[0122] Ninthly, embodiments of this application provide a device for accessing a network, applied to network functions, including:

[0123] The first receiving unit is configured to receive capability information reported by the terminal. The capability information includes a first indication, which is used to indicate a first capability of the terminal. The first capability is the ability to access a second type of base station using a first type of base station.

[0124] The first sending unit is configured to send third information to the terminal, the third information being used to indicate whether the network function supports the first capability, or the third information being used to indicate whether the network function supports the first capability and whether the terminal can preferentially access the network through the second type of base station.

[0125] The third information is used to determine the second information, which indicates that the terminal preferentially accesses the network through the second type of base station.

[0126] In a tenth aspect, embodiments of this application also provide a processor-readable storage medium storing a computer program that, when executed by a processor, implements the steps of the method for accessing a network as described above.

[0127] In this embodiment, the terminal can access the target second-type base station based on the first information of the first-type base station, thereby avoiding the process of accessing and registering to the network through one base station and then being redirected to another base station, thus saving the time and signaling overhead of the terminal accessing the network. Attached Figure Description

[0128] Figure 1 This is one of the flowcharts of the network access method provided in the embodiments of this application;

[0129] Figure 2 This is a second flowchart of the method for accessing the network provided in the embodiments of this application;

[0130] Figure 3 This is the third flowchart of the method for accessing the network provided in the embodiments of this application;

[0131] Figure 4 This is the fourth flowchart of the method for accessing the network provided in the embodiments of this application;

[0132] Figure 5 This is the fifth flowchart of the method for accessing the network provided in the embodiments of this application;

[0133] Figure 6 This is one of the structural diagrams of the network access device provided in the embodiments of this application;

[0134] Figure 7 This is a second structural diagram of the network access device provided in the embodiments of this application;

[0135] Figure 8 This is the third structural diagram of the network access device provided in the embodiments of this application;

[0136] Figure 9 This is the fourth structural diagram of the network access device provided in the embodiments of this application;

[0137] Figure 10 This is the fifth structural diagram of the network access device provided in the embodiments of this application;

[0138] Figure 11 This is the sixth structural diagram of the network access device provided in the embodiments of this application. Detailed Implementation

[0139] 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.

[0140] In the embodiments of this application, the term "multiple" refers to two or more, and other quantifiers are similar.

[0141] 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.

[0142] This application provides a method and apparatus for accessing a network, which saves the time and signaling overhead of a terminal accessing the network.

[0143] The method and apparatus are based on the same concept of the application. Since the methods and apparatus solve problems in similar ways, the implementation of the apparatus and methods can refer to each other, and the repeated parts will not be described again.

[0144] See Figure 1 , Figure 1 This is a flowchart of a method for accessing a network provided in an embodiment of this application, applied to a terminal. In some embodiments, it can be applied to the AS layer of the terminal. Figure 1 As shown, it includes the following steps:

[0145] Step 101: Receive the first information sent by the first type of base station.

[0146] The first type of base station and the second type of base station can refer to base stations set up in satellites with different orbital altitudes, and the first type of base station and the second type of base station are different, such as geostationary orbit (GEO) base stations, middle earth orbit (MEO) base stations, and low earth orbit (LEO) base stations.

[0147] For example, in related technologies, in scenarios where a terminal uses a GEO base station broadcast signal to assist in accessing a LEO base station, the terminal directly accesses and registers with the network through the GEO base station, and then is redirected to the LEO base station. This method of network access suffers from high time signaling overhead. Accordingly, in this embodiment, to address this problem, the first type of base station can be a GEO base station, and the second type of base station can be an LEO base station. Similarly, the first type of base station can be an MEO base station, and the second type of base station can be a GEO base station.

[0148] Alternatively, the first type of base station and the second type of base station can refer to terrestrial base stations with different coverage areas, such as macro base stations and micro base stations. For example, the first type of base station can be a macro base station, and the second type of base station can be a micro base station.

[0149] Alternatively, the first type of base station can be one of the satellite base stations, and the second type of base station can be one of the terrestrial base stations.

[0150] The first information is used to determine access to the second type of base station. This can be understood as including information for determining whether to access the second type of base station, information on accessible second type of base stations, and information indicating access to the second type of base station. In some embodiments, the first information includes: ephemeris information of the first satellite corresponding to the second type of base station (i.e., the satellite where the second type of base station is located) and PLMN information corresponding to the first satellite; or, the first information includes one or more of the following: ephemeris information of the first satellite, access type of the first satellite, frequency information of the first satellite, and PLMN information corresponding to the first satellite. Alternatively, the first information may also be an RRC rejection message from the first type of base station.

[0151] Taking GEO base stations as the first type of base station and LEO base stations as the second type of base station as an example, the first information may include: the ephemeris information of the LEO satellite corresponding to the LEO base station and the PLMN information corresponding to the LEO satellite. Alternatively, the second information may include one or more of the following: the ephemeris information of the LEO satellite, the access type of the LEO satellite, the frequency information of the LEO satellite, and the PLMN information corresponding to the LEO satellite.

[0152] The terminal can receive first information transmitted by the first type of base station via broadcast message. This first information includes: ephemeris information of the first satellite corresponding to the second type of base station and PLMN information corresponding to the first satellite. In this case, the first information further includes: a fourth indication, used to indicate that the PLMN information represents the satellite type of the first satellite. For example, if the first type of base station is a GEO base station and the second type of base station is a LEO base station, the satellite type could be, for example, an LEO satellite. Alternatively, the first information includes one or more of the following: ephemeris information of the first satellite, access type of the first satellite, frequency information of the first satellite, and PLMN information corresponding to the first satellite.

[0153] The broadcast message can be, for example, a System Information Block (SIB) message, such as SIB19, SIB33, or a newly defined SIB message.

[0154] For example, a Type 1 base station can use SIB19, SIB33, etc., to indicate the ephemeris information of the first satellite corresponding to the Type 2 base station and the PLMN information corresponding to the first satellite. Alternatively, a Type 1 base station can also indicate one or more of the following information through a newly defined SIB message: the ephemeris information of the first satellite, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

[0155] If the first information can also be an RRC rejection message from a first-type base station, the terminal sends an RRC establishment request to the first-type base station and receives an RRC rejection message from the first-type base station. The RRC rejection message includes a fifth indication, which instructs the terminal to select a second-type base station. The RRC establishment request includes a sixth indication, which instructs the terminal to preferentially access the network through the second-type base station. The RRC rejection message further includes information about the second-type base station, which includes one or more of the following: ephemeris information of the first satellite corresponding to the second-type base station (i.e., the satellite where the second-type base station is located), access type of the first satellite, frequency information of the first satellite, and PLMN information corresponding to the first satellite.

[0156] In some embodiments, the terminal may further determine second information, which indicates that the terminal preferentially accesses the network via a second type of base station. That is, when accessing the network via a first access-assisted base station, the terminal preferentially accesses the network via a second type of base station.

[0157] The second information may be pre-configured in the terminal or its card file, allowing the terminal to determine it based on its configuration information. Alternatively, the second information may be determined by the terminal's AS layer based on instructions from the NAS layer. In this case, the terminal determines the second information based on third information about the network function, where the third information indicates whether the network function supports the terminal's first capability, or whether the network function supports the first capability and whether the terminal can preferentially access the network via a second type of base station, where the first capability is the ability to access a second type of base station using a first type of base station.

[0158] In some embodiments, the terminal may report its capability information to a network function. The capability information includes a first indication, which indicates a first capability of the terminal, namely the ability to access a second type of base station using a first type of base station. Subsequently, the terminal receives the third information sent by the network function and determines the second information based on the third information.

[0159] During the process of determining the second information, the NAS layer of the terminal sends a second indication to the AS layer of the terminal based on the third information. The second indication is used to indicate priority access to the network through the second type of base station. The AS of the terminal determines the second information based on the second indication.

[0160] The network function may be, for example, a core network device or base station, such as an Access and Mobility Management Function (AMF) or a Mobility Management Entity (MME). For instance, the network function may determine the aforementioned third information based on various factors, such as the terminal's service requirements and the number of terminals in a given area. If the third information is only used to indicate whether the network function supports the first capability, the terminal may determine, based on its own implementation, whether it can preferentially access the network through a second type of base station, such as determining whether it can preferentially access the network through a second type of base station based on the terminal's service requirements.

[0161] In some embodiments, the capability information further includes a third indication indicating that the terminal expects to preferentially access the network via a second type of base station. In this case, the network function can determine the aforementioned third information based on the third indication.

[0162] Step 102: Based on the first information, access the target second type base station.

[0163] The target second-type base station refers to one or more of the second-type base stations. Based on the first information, the terminal can send an RRC establishment request to the target second-type base station. The RRC establishment request includes a seventh indication, the reason for which the terminal establishes the RRC is that it preferentially accesses the network through the second-type base station or is redirected.

[0164] It should be noted that the terminal communicates with the network function using NAS messages, while the terminal communicates with the base station using AS protocol messages such as RRC messages.

[0165] In this embodiment, the terminal can access the target second-type base station based on the first information of the first-type base station, thereby avoiding the process of accessing and registering to the network through one base station and then being redirected to another base station, thus saving the time and signaling overhead of the terminal accessing the network.

[0166] See Figure 2 , Figure 2 This is a flowchart of a method for accessing a network provided in an embodiment of this application, applied to a first type of base station. For example... Figure 2 As shown, it includes the following steps:

[0167] Step 201: Send first information to the terminal, the first information being used to determine access to the second type of base station.

[0168] The first information includes: ephemeris information of the first satellite corresponding to the second type of base station and PLMN information corresponding to the first satellite; or, the first information includes one or more of the following: ephemeris information of the first satellite, access type of the first satellite, frequency information of the first satellite, and PLMN information corresponding to the first satellite. Alternatively, the first information may also be an RRC rejection message from the first type of base station.

[0169] Taking a GEO base station as the first type of base station and a LEO base station as the second type of base station as an example, the first information may include: the ephemeris information of the LEO satellite corresponding to the LEO base station and the PLMN information corresponding to the LEO satellite. In this case, the first information further includes: a fourth indication, used to indicate that the PLMN information is the satellite type of the first satellite. This satellite type may be, for example, an LEO satellite. Alternatively, the first information may include one or more of the following: the ephemeris information of the LEO satellite, the access type of the LEO satellite, the frequency information of the LEO satellite, and the PLMN information corresponding to the LEO satellite.

[0170] In some embodiments, the first type of base station can send the first information to the terminal via a broadcast message. This broadcast message can be SIB19, SIB33, etc., or it can be a newly defined SIB message.

[0171] In some embodiments, if the first information can also be an RRC rejection message from a first type of base station, the first type of base station can receive an RRC establishment request sent by the terminal and send an RRC rejection message to the terminal. The RRC rejection message includes a fifth indication, which is used to instruct the terminal to select a second type of base station.

[0172] The RRC establishment request includes a sixth indication, which instructs the terminal to preferentially access the network via a second type of base station; the RRC rejection message further includes information about the second type of base station, which includes one or more of the following:

[0173] The ephemeris information of the first satellite corresponding to the second type of base station, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

[0174] In this embodiment, the terminal can access the target second-type base station based on the first information of the first-type base station, thereby avoiding the process of accessing and registering to the network through one base station and then being redirected to another base station, thus saving the time and signaling overhead of the terminal accessing the network.

[0175] See Figure 3 , Figure 3This is a flowchart of a method for accessing a network provided in an embodiment of this application, applied to network functions. For example... Figure 3 As shown, it includes the following steps:

[0176] Step 301: Receive capability information reported by the terminal. The capability information includes a first indication, which indicates the first capability of the terminal, namely, the ability to access a second type of base station using a first type of base station.

[0177] The terminal's capability information also includes a third indication, which indicates that the terminal prefers to access the network via a second type of base station.

[0178] Step 302: Send third information to the terminal. The third information is used to indicate whether the network function supports the first capability, or the third information is used to indicate whether the network function supports the first capability and whether the terminal can preferentially access the network through the second type of base station.

[0179] The third information is used to determine the second information, which indicates that the terminal preferentially accesses the network through the second type of base station.

[0180] For example, network functions can determine the aforementioned third information based on various factors such as the service requirements of the terminal and the number of terminals in a certain area. The network function can be, for example, a core network device such as an AMF or MME.

[0181] In this embodiment, the terminal can access the target second-type base station based on the first information of the first-type base station, thereby avoiding the process of accessing and registering to the network through one base station and then being redirected to another base station, thus saving the time and signaling overhead of the terminal accessing the network.

[0182] In the following embodiments, the first type of base station is a GEO base station and the second type of base station is a LEO base station, which are described as examples.

[0183] exist Figure 4 In the embodiment shown, the GEO base station broadcasts SIB19 (related to PLMN) or new SIB messages.

[0184] Step 400: The core network device sends a NAS message to the terminal, notifying the terminal whether it supports the first capability and whether the terminal can preferentially access the network through the LEO station.

[0185] After registering with the network via terrestrial or satellite access, the terminal reports its capabilities to core network equipment such as the AMF and MME, carrying a first capability (also known as high-orbit assisted access capability). This first capability is the ability to access LEO base stations using GEO base stations. Optionally, a third indication may also be carried, indicating that the terminal expects to preferentially access the network via LEO base stations. The core network equipment, based on the subscription or network configuration, determines whether it supports the first capability and whether the terminal can preferentially access the network via LEO base stations, and notifies the terminal whether it supports the first capability and whether it can preferentially access the network via LEO base stations.

[0186] Based on the contract or network configuration, the core network equipment determines whether it supports the first capability and whether the terminal can preferentially access the network through the LEO base station, and notifies the terminal whether it supports the first capability and whether the terminal can preferentially access the network through the LEO station.

[0187] Accordingly, the NAS (Network Attached Storage) process can update the above information about the network.

[0188] The terminal determines the second information. The second information indicates that the terminal preferentially accesses the network through the LEO base station. This step is optional.

[0189] The acquisition of this second information can be achieved by the terminal based on terminal or card file configuration, or it can be configured by the terminal based on messages from the core network device.

[0190] Step 401: When selecting a terminal cell, the NAS layer indicates the PLMN to the AS layer, carrying access technology information (optional information) and a second indication, indicating that the network should be accessed through the LEO base station (i.e., "LEO priority").

[0191] Step 402: The base station broadcasts the LEO satellite ephemeris and the corresponding PLMN information (e.g., a PLMN list) using existing SIB19 or SIB33, optionally indicating that the PLMN list is of LEO type; or, using a new SIB message to indicate one or more of the following: LEO satellite ephemeris, LEO satellite access type, LEO satellite frequency information, and the corresponding PLMN.

[0192] Step 403: The terminal AS layer determines whether there is an LEO base station that can provide services to itself based on the information broadcast in step 402 and the information obtained from the NAS layer. The terminal initiates access based on the ephemeris information, frequency and other information of the LEO satellite in the broadcast message.

[0193] Step 404: The terminal sends an RRC establishment request to the LEO base station. Optionally, the request carries a seventh indication, indicating that the RRC establishment is due to the terminal preferentially accessing the network through the LEO base station or being redirected.

[0194] Step 405: The LEO base station sends an RRC establishment message to the terminal.

[0195] Step 406: The terminal sends an RRC SetUp Complete message to the LEO base station.

[0196] exist Figure 5 In the embodiment shown, after receiving the RRC rejection message from the GEO base station, the terminal sends an RRC establishment request to the LEO base station.

[0197] For detailed descriptions of steps 500-501, please refer to steps 401 and 402.

[0198] Step 502: The GEO base station sends a broadcast message, such as satellite ephemeris information.

[0199] Step 503: The terminal sends an RRC establishment request to the GEO base station. Optionally, it carries a sixth indication, indicating that the terminal should preferentially access the network through the LEO base station (i.e., LEO priority indication) or indicating the preferred satellite access type, such as LEO satellite.

[0200] Step 504: The GEO base station determines whether there is an LEO base station capable of serving the terminal based on the RRC establishment request and configuration information. The GEO base station sends an RRC Reject message to the terminal, carrying the rejection reason value (i.e., the fifth indication), which is used to instruct the terminal to select an LEO base station. Optionally, it carries the LEO base station information, including the satellite ID of the LEO satellite, the ephemeris of the LEO satellite, the frequency of the LEO satellite, and the PLMN corresponding to the LEO satellite.

[0201] Step 505: The terminal sends an RRC establishment request to the LEO base station based on the LEO satellite information received from the GEO base station.

[0202] Step 506: The LEO base station sends an RRC establishment message to the terminal.

[0203] Step 507: The terminal sends an RRC Setup Complete message to the LEO base station.

[0204] It should be noted that relevant standards may define that the NAS protocol layer passes certain information to the AS protocol layer, such as RRC, and the RRC layer performs the relevant functions. It is understood that the above standard definitions do not limit the specific implementation method of the terminal when implementing the standard.

[0205] In the above embodiments, after receiving the signal from the GEO base station, the terminal can access the LEO base station without registering with the GEO base station, thereby saving the time and signaling overhead of the terminal accessing the network.

[0206] The technical solutions provided in this application can be applied to a variety of systems. For example, applicable systems may include Long Term Evolution (LTE) systems, LTE Frequency Division Duplex (FDD) systems, LTE Time Division Duplex (TDD) systems, Long Term Evolution Advanced (LTE-A) systems, Universal Mobile Telecommunications System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) systems, 5G New Radio (NR) systems and their evolved communication systems, and 6G (sixth generation mobile communication technology) systems. These systems may include terminal equipment and network equipment. The systems may also include a core network component, such as the Evolved Packet Core (EPC) and the 5G Core Network (5GC).

[0207] The terminal devices involved in the embodiments of this application can be devices that provide voice and / or data connectivity to users, handheld devices with wireless connectivity, or other processing devices connected to a wireless modem. The names of the terminal devices may differ in different systems; for example, in 5G or 6G systems, the terminal device may be called User Equipment (UE). Wireless terminal devices can be USB storage devices, other personal computer memory devices, and dongles. They can also communicate with one or more core networks (CNs) via a Radio Access Network (RAN). Wireless terminal devices can be mobile terminal devices, such as mobile phones (or "cellular" phones) and computers with mobile terminal devices. For example, they can be portable, pocket-sized, handheld, computer-embedded, or vehicle-mounted mobile devices that exchange voice and / or data with the radio access network. Examples of such devices include Personal Communication Service (PCS) phones, cordless phones, Session Initiated Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants (PDAs), personal computers, tablets, and Machine-type Communication (MTC) terminal devices. Wireless terminal devices can also be referred to as systems, subscriber units, subscriber stations, mobile stations, mobile devices, remote stations, access points, remote terminals, access terminals, user terminals, user agents, user devices, and wireless access devices and routers / modems that meet the limitations of this definition; however, this application does not limit the scope of the embodiments.

[0208] like Figure 6 As shown, the access network apparatus of this application embodiment, applied to a first type of base station, includes: a processor 600, configured to read a program from a memory 620 and execute the following processes:

[0209] Send the first message to the terminal.

[0210] Transceiver 610 is used to receive and send data under the control of processor 600.

[0211] Among them, Figure 6 In this context, the bus architecture may include any number of interconnected buses and bridges, specifically linking various circuits together, represented by one or more processors (processor 600) and memory (memory 620). The bus architecture may also link together 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 described further herein. A bus interface provides an interface. Transceiver 610 may be multiple elements, including transmitters and receivers, providing a unit for communicating with various other devices over a transmission medium. Processor 600 is responsible for managing the bus architecture and general processing, and memory 620 may store data used by processor 600 during operation.

[0212] The processor 600 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.

[0213] The processor 600 is responsible for managing the bus architecture and general processing, while the memory 620 can store the data used by the processor 600 when performing operations.

[0214] In some embodiments, sending the first information to the terminal includes:

[0215] The first information is sent to the terminal via a broadcast message;

[0216] The first information includes: the ephemeris information of the first satellite corresponding to the second type of base station and the Public Land Mobile Network (PLMN) information corresponding to the first satellite, or...

[0217] The first information includes one or more of the following: the ephemeris information of the first satellite, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

[0218] In some embodiments, if the first information includes: the ephemeris information of the first satellite and the PLMN information corresponding to the first satellite, the first information further includes:

[0219] The fourth indication is used to indicate that the PLMN information is the satellite type of the first satellite.

[0220] In some embodiments, the first information includes the RRC rejection message of the first type of base station;

[0221] Sending the first information to the terminal includes:

[0222] Receive the RRC establishment request sent by the terminal;

[0223] An RRC rejection message is sent to the terminal, the RRC rejection message including a fifth indication, the fifth indication being used to instruct the terminal to select a second type of base station.

[0224] In some embodiments, the RRC establishment request includes a sixth indication, which instructs the terminal to preferentially access the network via a second type of base station;

[0225] and / or

[0226] The RRC rejection message also includes:

[0227] The information of the second type of base station includes one or more of the following:

[0228] The ephemeris information of the first satellite corresponding to the second type of base station, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

[0229] 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.

[0230] like Figure 7 As shown in the embodiment of this application, the network access device is applied to network functions and includes: a processor 700, configured to read a program from a memory 720 and execute the following processes:

[0231] The terminal receives capability information reported by the terminal. The capability information includes a first indication, which indicates a first capability of the terminal, namely the ability to access a second type of base station using a first type of base station.

[0232] Send a third message to the terminal, the third message being used to indicate whether the network function supports the first capability, or the third message being used to indicate whether the network function supports the first capability and whether the terminal can preferentially access the network through a second type of base station;

[0233] The third information is used to determine the second information, which indicates that the terminal preferentially accesses the network through the second type of base station.

[0234] Transceiver 710 is used to receive and send data under the control of processor 700.

[0235] Among them, Figure 7 In this context, the bus architecture can include any number of interconnected buses and bridges, specifically linking various circuits together, represented by one or more processors (processor 700) and memory (memory 720). 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 described further herein. The bus interface provides an interface. The transceiver 710 can be multiple elements, including transmitters and receivers, providing a unit for communicating with various other devices over a transmission medium. The processor 700 is responsible for managing the bus architecture and general processing, and the memory 720 can store data used by the processor 700 during operation.

[0236] The processor 700 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.

[0237] The processor 700 is responsible for managing the bus architecture and general processing, while the memory 720 can store the data used by the processor 700 during operation.

[0238] In some embodiments, the terminal's capability information further includes:

[0239] The third instruction is used to indicate that the terminal expects to access the network preferentially through the second type of base station.

[0240] 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.

[0241] like Figure 8 As shown in the embodiment of this application, the network access device is applied to a terminal and includes: a processor 800, configured to read a program from a memory 820 and execute the following processes:

[0242] Receive the first information sent by the first type of base station;

[0243] Based on the first information, access the target second-type base station.

[0244] Transceiver 810 is used to receive and send data under the control of processor 800.

[0245] Among them, Figure 8 In this context, 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 described further herein. The bus interface provides an interface. The transceiver 810 can be multiple elements, including transmitters and receivers, providing a unit for communicating with various other devices over a transmission medium. For different user equipment, the user interface 830 can also be an interface capable of connecting external or internal devices, including but not limited to keypads, displays, speakers, microphones, joysticks, etc.

[0246] The processor 800 is responsible for managing the bus architecture and general processing, while the memory 820 can store the data used by the processor 800 during operation.

[0247] 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.

[0248] The processor executes any of the methods described in the embodiments of this application according to the obtained executable instructions by calling a computer program stored in memory. The processor and memory may also be physically separated.

[0249] In some embodiments, the processor 800 is further configured to read a computer program from the memory and perform the following operations:

[0250] The second piece of information is determined, which indicates that the terminal preferentially accesses the network through a second type of base station.

[0251] In some embodiments, determining the second information includes:

[0252] The second information is determined based on the configuration information of the terminal; or,

[0253] The second information is determined based on the third information of the network function, wherein the third information is used to indicate whether the network function supports the first capability of the terminal, or the third information is used to indicate whether the network function supports the first capability and whether the terminal can preferentially access the network through the second type of base station, wherein the first capability is the ability to access the second type of base station using the first type of base station.

[0254] In some embodiments, determining the second information based on third information about network functions includes:

[0255] The terminal's capability information is reported to the network function, the capability information including a first indication, the first indication being used to indicate a first capability of the terminal;

[0256] Receive the third information sent by the network function;

[0257] The second information is determined based on the third information.

[0258] In some embodiments, determining the second information based on the third information includes:

[0259] The NAS layer of the terminal sends the third information to the AS layer of the terminal.

[0260] The second instruction is used to indicate priority access to the network via a second type of base station; the AS of the terminal determines the second information based on the second instruction.

[0261] In some embodiments, the capability information further includes:

[0262] The third instruction is used to indicate that the terminal expects to access the network preferentially through the second type of base station.

[0263] In some embodiments, receiving the first information sent by the first type of base station includes:

[0264] Receive the first information sent by the first type of base station via broadcast message;

[0265] The first information includes: the ephemeris information of the first satellite corresponding to the second type of base station and the public terrestrial mobile network (PLMN) information corresponding to the first satellite; or, the first information includes one or more of the following: the ephemeris information of the first satellite, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

[0266] In some embodiments, if the first information includes: the ephemeris information of the first satellite and the PLMN information corresponding to the first satellite, the first information further includes:

[0267] The fourth indication is used to indicate that the PLMN information is the satellite type of the first satellite.

[0268] In some embodiments, the first information includes the RRC rejection message of the first type of base station;

[0269] The receipt of the first information sent by the first type of base station includes:

[0270] Send a Radio Resource Control (RRC) establishment request to the first type of base station;

[0271] The terminal receives an RRC rejection message sent by the first type of base station, the RRC rejection message including a fifth indication, the fifth indication being used to instruct the terminal to select a second type of base station.

[0272] In some embodiments, the RRC establishment request includes a sixth indication, which instructs the terminal to preferentially access the network via a second type of base station;

[0273] and / or

[0274] The RRC rejection message also includes:

[0275] The information of the second type of base station includes one or more of the following:

[0276] The ephemeris information of the first satellite corresponding to the second type of base station, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

[0277] In some embodiments, the access target second type base station includes:

[0278] Send an RRC establishment request to the target Type II base station. The RRC establishment request includes a seventh indication, the reason for which the terminal prioritizes accessing the network through the Type II base station or is redirected.

[0279] 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.

[0280] like Figure 9 As shown in the embodiment of this application, the network access device is applied to a terminal and includes:

[0281] The first receiving unit 901 is used to receive first information sent by a first type of base station; the first processing unit 902 is used to access the target second type of base station according to the first information.

[0282] In some embodiments, the apparatus may further include:

[0283] The second processing unit is used to determine second information, which indicates that the terminal preferentially accesses the network through a second type of base station.

[0284] In some embodiments, the second processing unit is further configured to:

[0285] The second information is determined based on the configuration information of the terminal; or,

[0286] The second information is determined based on the third information of the network function, wherein the third information is used to indicate whether the network function supports the first capability of the terminal, or the third information is used to indicate whether the network function supports the first capability and whether the terminal can preferentially access the network through the second type of base station, wherein the first capability is the ability to access the second type of base station using the first type of base station.

[0287] In some embodiments, the second processing unit is further configured to:

[0288] The terminal's capability information is reported to the network function, the capability information including a first indication, the first indication being used to indicate a first capability of the terminal;

[0289] Receive the third information sent by the network function;

[0290] The second information is determined based on the third information.

[0291] In some embodiments, determining the second information based on the third information includes:

[0292] The NAS layer of the terminal sends a second indication to the AS layer of the terminal based on the third information. The second indication is used to indicate that the network should be accessed through a second type of base station first. The AS layer of the terminal determines the second information based on the second indication.

[0293] In some embodiments, the capability information further includes:

[0294] The third instruction is used to indicate that the terminal expects to access the network preferentially through the second type of base station.

[0295] In some embodiments, the first receiving unit is further configured to:

[0296] Receive the first information sent by the first type of base station via broadcast message;

[0297] The first information includes: the ephemeris information of the first satellite corresponding to the second type of base station and the PLMN information corresponding to the first satellite; or, the first information includes one or more of the following: the ephemeris information of the first satellite, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

[0298] In some embodiments, if the first information includes: the ephemeris information of the first satellite and the PLMN information corresponding to the first satellite, the first information further includes:

[0299] The fourth indication is used to indicate that the PLMN information is the satellite type of the first satellite.

[0300] In some embodiments, the first information includes an RRC rejection message from the first type of base station; the first receiving unit is further configured to:

[0301] Send an RRC establishment request to the first type of base station;

[0302] The terminal receives an RRC rejection message sent by the first type of base station, the RRC rejection message including a fifth indication, the fifth indication being used to instruct the terminal to select a second type of base station.

[0303] In some embodiments, the RRC establishment request includes a sixth indication, which instructs the terminal to preferentially access the network via a second type of base station;

[0304] and / or

[0305] The RRC rejection message also includes:

[0306] The information of the second type of base station includes one or more of the following:

[0307] The ephemeris information of the first satellite corresponding to the second type of base station, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

[0308] In some embodiments, the first processing unit is further configured to:

[0309] Send an RRC establishment request to the target Type II base station. The RRC establishment request includes a seventh indication, the reason for which the terminal prioritizes accessing the network through the Type II base station or is redirected.

[0310] 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.

[0311] like Figure 10 As shown, the access network apparatus of this application embodiment, applied to a first type of base station, includes:

[0312] The first sending unit 1001 is used to send first information to the terminal, the first information being used to determine access to the second type of base station.

[0313] In some embodiments, the first transmitting unit is further configured to:

[0314] The first information is sent to the terminal via a broadcast message;

[0315] The first information includes: the ephemeris information of the first satellite corresponding to the second type of base station and the Public Land Mobile Network (PLMN) information corresponding to the first satellite, or...

[0316] The first information includes one or more of the following: the ephemeris information of the first satellite, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

[0317] In some embodiments, if the first information includes: the ephemeris information of the first satellite and the PLMN information corresponding to the first satellite, the first information further includes:

[0318] The fourth indication is used to indicate that the PLMN information is the satellite type of the first satellite.

[0319] In some embodiments, the first information includes an RRC rejection message from the first type of base station; the first sending unit is further configured to:

[0320] Receive the RRC establishment request sent by the terminal;

[0321] An RRC rejection message is sent to the terminal, the RRC rejection message including a fifth indication, the fifth indication being used to instruct the terminal to select a second type of base station.

[0322] In some embodiments, the RRC establishment request includes a sixth indication, which instructs the terminal to preferentially access the network via a second type of base station;

[0323] and / or

[0324] The RRC rejection message also includes:

[0325] The information of the second type of base station includes one or more of the following:

[0326] The ephemeris information of the first satellite corresponding to the second type of base station, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

[0327] 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.

[0328] like Figure 11 As shown in the embodiment of this application, the network access device is applied to network functions and includes:

[0329] A first receiving unit 1101 is configured to receive capability information reported by a terminal. The capability information includes a first indication, which indicates a first capability of the terminal, namely, the ability to access a second type of base station using a first type of base station. A first sending unit 1102 is configured to send third information to the terminal. The third information indicates whether the network function supports the first capability, or whether the network function supports the first capability and whether the terminal can preferentially access the network through a second type of base station. The third information is used to determine second information, which indicates that the terminal preferentially accesses the network through a second type of base station.

[0330] In some embodiments, the capability information further includes:

[0331] The third instruction is used to indicate that the terminal expects to access the network preferentially through the second type of base station.

[0332] 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.

[0333] 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.

[0334] 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 computer 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.

[0335] This application also provides a communication device, including: a memory, a processor, and a program stored in the memory and executable on the processor, wherein the processor executes the program to implement the steps in the method for accessing a network as described above.

[0336] This application also provides a computer program product, including computer instructions. When these computer instructions are executed by a processor, they implement the various processes of the above-described method embodiments for accessing the network and achieve the same technical effects. To avoid repetition, they will not be described again here.

[0337] This application also provides a processor-readable storage medium storing a program. When executed by a processor, this program implements the various processes of the above-described network access method embodiments and achieves the same technical effects. To avoid repetition, it will not be described again here. The readable storage medium can be any available medium or data storage device that the processor can access, including but not limited to magnetic storage (e.g., floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.), optical storage (e.g., CDs, DVDs, BDs, HVDs, etc.), and semiconductor storage (e.g., ROMs, EPROMs, EEPROMs, non-volatile memory (NAND flash), solid-state drives (SSDs)).

[0338] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0339] 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.

[0340] This application describes embodiments of methods, apparatus (systems), and computer program products according to embodiments of this application with reference to flowchart illustrations and / or block diagrams. 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 illustrations. Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0341] 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 operate 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 Figure 1 The function specified in one or more boxes.

[0342] Obviously, those skilled in the art can make various modifications and variations to the embodiments of this application without departing from the spirit and scope of the embodiments of this application. Therefore, if these modifications and variations to the embodiments of this application fall within the scope of the claims of the embodiments of this application and their equivalents, then the embodiments of this application are also intended to include these modifications and variations.

Claims

1. A method for accessing a network, characterized in that, Applied to terminals, including: Receive the first information sent by the first type of base station; Based on the first information, access the target second-type base station.

2. The method according to claim 1, characterized in that, The method further includes: The second piece of information is determined, which indicates that the terminal preferentially accesses the network through a second type of base station.

3. The method according to claim 2, characterized in that, The determination of the second information includes: The second information is determined based on the configuration information of the terminal; or, The second information is determined based on the third information of the network function, wherein the third information is used to indicate whether the network function supports the first capability of the terminal, or the third information is used to indicate whether the network function supports the first capability and whether the terminal can preferentially access the network through the second type of base station, wherein the first capability is the ability to access the second type of base station using the first type of base station.

4. The method according to claim 3, characterized in that, Determining the second information based on the third information of network function includes: The terminal's capability information is reported to the network function, the capability information including a first indication, the first indication being used to indicate a first capability of the terminal; Receive the third information sent by the network function; The second information is determined based on the third information.

5. The method according to claim 4, characterized in that, Determining the second information based on the third information includes: The NAS layer of the terminal sends a second indication to the AS layer of the terminal based on the third information. The second indication is used to indicate that the network should be accessed through a second type of base station first. The AS layer of the terminal determines the second information based on the second indication.

6. The method according to claim 4, characterized in that, The capability information also includes: The third instruction is used to indicate that the terminal expects to access the network preferentially through the second type of base station.

7. The method according to claim 1, characterized in that, The receipt of the first information sent by the first type of base station includes: Receive the first information sent by the first type of base station via broadcast message; The first information includes: the ephemeris information of the first satellite corresponding to the second type of base station and the public terrestrial mobile network (PLMN) information corresponding to the first satellite; or, the first information includes one or more of the following: the ephemeris information of the first satellite, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

8. The method according to claim 7, characterized in that, If the first information includes: the ephemeris information of the first satellite and the PLMN information corresponding to the first satellite, the first information further includes: The fourth indication is used to indicate that the PLMN information is the satellite type of the first satellite.

9. The method according to claim 1, characterized in that, The first information includes the Radio Resource Control (RRC) rejection message of the first type of base station; The receipt of the first information sent by the first type of base station includes: Send an RRC establishment request to the first type of base station; The terminal receives an RRC rejection message sent by the first type of base station, the RRC rejection message including a fifth indication, the fifth indication being used to instruct the terminal to select a second type of base station.

10. The method according to claim 9, characterized in that, The RRC establishment request includes a sixth instruction, which instructs the terminal to preferentially access the network through a second type of base station. and / or The RRC rejection message also includes: The information of the second type of base station includes one or more of the following: The ephemeris information of the first satellite corresponding to the second type of base station, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

11. The method according to claim 1, characterized in that, The second type of base station for access targets includes: Send an RRC establishment request to the target Type II base station. The RRC establishment request includes a seventh indication, the reason for which the terminal prioritizes accessing the network through the Type II base station or is redirected.

12. A method for accessing a network, characterized in that, Applied to the first type of base station, including: Send first information to the terminal, the first information being used to determine access to the second type of base station.

13. The method according to claim 12, characterized in that, The step of sending the first information to the terminal includes: The first information is sent to the terminal via a broadcast message; The first information includes: the ephemeris information of the first satellite corresponding to the second type of base station and the PLMN information corresponding to the first satellite, or, The first information includes one or more of the following: the ephemeris information of the first satellite, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

14. The method according to claim 13, characterized in that, If the first information includes: the ephemeris information of the first satellite and the PLMN information corresponding to the first satellite, the first information further includes: The fourth indication is used to indicate that the PLMN information is the satellite type of the first satellite.

15. The method according to claim 12, characterized in that, The first information includes the RRC rejection message of the first type of base station; Sending the first information to the terminal includes: Receive the RRC establishment request sent by the terminal; An RRC rejection message is sent to the terminal, the RRC rejection message including a fifth indication, the fifth indication being used to instruct the terminal to select a second type of base station.

16. The method according to claim 15, characterized in that, The RRC establishment request includes a sixth instruction, which instructs the terminal to preferentially access the network through a second type of base station. and / or The RRC rejection message also includes: The information of the second type of base station includes one or more of the following: The ephemeris information of the first satellite corresponding to the second type of base station, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

17. A method for accessing a network, characterized in that, Applied to network functions, including: The terminal receives capability information reported by the terminal. The capability information includes a first indication, which indicates a first capability of the terminal, namely the ability to access a second type of base station using a first type of base station. Send a third message to the terminal, the third message being used to indicate whether the network function supports the first capability, or the third message being used to indicate whether the network function supports the first capability and whether the terminal can preferentially access the network through a second type of base station; The third information is used to determine the second information, which indicates that the terminal preferentially accesses the network through the second type of base station.

18. The method according to claim 17, characterized in that, The capability information also includes: The third instruction is used to indicate that the terminal expects to access the network preferentially through the second type of base station.

19. A device for accessing a network, characterized in that, Applications in terminals include: memory, transceiver, and 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: Receive the first information sent by the first type of base station; Based on the first information, access the target second-type base station.

20. The apparatus according to claim 19, characterized in that, The processor is also configured to read the computer program in the memory and perform the following operations: The second piece of information is determined, which indicates that the terminal preferentially accesses the network through a second type of base station.

21. The apparatus according to claim 20, characterized in that, The determination of the second information includes: The second information is determined based on the configuration information of the terminal; or, The second information is determined based on the third information of the network function, wherein the third information is used to indicate whether the network function supports the first capability of the terminal, or the third information is used to indicate whether the network function supports the first capability and whether the terminal can preferentially access the network through the second type of base station, wherein the first capability is the ability to access the second type of base station using the first type of base station.

22. The apparatus according to claim 21, characterized in that, Determining the second information based on the third information of network function includes: The terminal's capability information is reported to the network function, the capability information including a first indication, the first indication being used to indicate a first capability of the terminal; Receive the third information sent by the network function; The second information is determined based on the third information.

23. The apparatus according to claim 22, characterized in that, Determining the second information based on the third information includes: The NAS layer of the terminal sends a second indication to the AS layer of the terminal based on the third information. The second indication is used to indicate that the network should be accessed through a second type of base station first. The AS layer of the terminal determines the second information based on the second indication.

24. The apparatus according to claim 22, characterized in that, The capability information also includes: The third instruction is used to indicate that the terminal expects to access the network preferentially through the second type of base station.

25. The apparatus according to claim 19, characterized in that, The receipt of the first information sent by the first type of base station includes: Receive the first information sent by the first type of base station via broadcast message; The first information includes: the ephemeris information of the first satellite corresponding to the second type of base station and the PLMN information corresponding to the first satellite; or, the first information includes one or more of the following: the ephemeris information of the first satellite, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

26. The apparatus according to claim 25, characterized in that, If the first information includes: the ephemeris information of the first satellite and the PLMN information corresponding to the first satellite, the first information further includes: The fourth indication is used to indicate that the PLMN information is the satellite type of the first satellite.

27. The apparatus according to claim 19, characterized in that, The first information includes the RRC rejection message of the first type of base station; The receipt of the first information sent by the first type of base station includes: Send a Radio Resource Control (RRC) establishment request to the first type of base station; The terminal receives an RRC rejection message sent by the first type of base station, the RRC rejection message including a fifth indication, the fifth indication being used to instruct the terminal to select a second type of base station.

28. The apparatus according to claim 27, characterized in that, The RRC establishment request includes a sixth instruction, which instructs the terminal to preferentially access the network through a second type of base station. and / or The RRC rejection message also includes: The information of the second type of base station includes one or more of the following: The ephemeris information of the first satellite corresponding to the second type of base station, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

29. The apparatus according to claim 19, characterized in that, The second type of base station for access targets includes: Send an RRC establishment request to the target Type II base station. The RRC establishment request includes a seventh indication, the reason for which the terminal prioritizes accessing the network through the Type II base station or is redirected.

30. A device for accessing a network, characterized in that, Applied to the first type of base station, including: memory, transceiver, 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: Send first information to the terminal, the first information being used to determine access to the second type of base station.

31. The apparatus according to claim 30, characterized in that, The step of sending the first information to the terminal includes: The first information is sent to the terminal via a broadcast message; The first information includes: the ephemeris information of the first satellite corresponding to the second type of base station and the Public Land Mobile Network (PLMN) information corresponding to the first satellite, or... The first information includes one or more of the following: the ephemeris information of the first satellite, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

32. The apparatus according to claim 31, characterized in that, If the first information includes: the ephemeris information of the first satellite and the PLMN information corresponding to the first satellite, the first information further includes: The fourth indication is used to indicate that the PLMN information is the satellite type of the first satellite.

33. The apparatus according to claim 30, characterized in that, The first information includes the RRC rejection message of the first type of base station; Sending the first information to the terminal includes: Receive the RRC establishment request sent by the terminal; An RRC rejection message is sent to the terminal, the RRC rejection message including a fifth indication, the fifth indication being used to instruct the terminal to select a second type of base station.

34. The apparatus according to claim 33, characterized in that, The RRC establishment request includes a sixth instruction, which instructs the terminal to preferentially access the network through a second type of base station. and / or The RRC rejection message also includes: The information of the second type of base station includes one or more of the following: The ephemeris information of the first satellite corresponding to the second type of base station, the access type of the first satellite, the frequency information of the first satellite, and the PLMN information corresponding to the first satellite.

35. A device for accessing a network, characterized in that, Applications in network functions include: memory, transceiver, and 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 receives capability information reported by the terminal. The capability information includes a first indication, which indicates a first capability of the terminal, namely the ability to access a second type of base station using a first type of base station. Send a third message to the terminal, the third message being used to indicate whether the network function supports the first capability, or the third message being used to indicate whether the network function supports the first capability and whether the terminal can preferentially access the network through a second type of base station; The third information is used to determine the second information, which indicates that the terminal preferentially accesses the network through the second type of base station.

36. The apparatus according to claim 35, characterized in that, The capability information also includes: The third instruction is used to indicate that the terminal expects to access the network preferentially through the second type of base station.

37. A device for accessing a network, characterized in that, Applied to terminals, including: The first receiving unit is used to receive the first information sent by the first type of base station; The first processing unit is used to access the target second-type base station based on the first information.

38. A device for accessing a network, characterized in that, Applied to the first type of base station, including: The first sending unit is used to send first information to the terminal, the first information being used to determine access to the second type of base station.

39. A device for accessing a network, characterized in that, Applied to network functions, including: The first receiving unit is configured to receive capability information reported by the terminal. The capability information includes a first indication, which is used to indicate a first capability of the terminal. The first capability is the ability to access a second type of base station using a first type of base station. The first sending unit is configured to send third information to the terminal, the third information being used to indicate whether the network function supports the first capability, or the third information being used to indicate whether the network function supports the first capability and whether the terminal can preferentially access the network through the second type of base station. The third information is used to determine the second information, which indicates that the terminal preferentially accesses the network through the second type of base station.

40. A processor-readable storage medium, characterized in that, The processor-readable storage medium stores a program for causing the processor to perform the method as described in any one of claims 1 to 18.

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