WO2016173347A1

WO2016173347A1 - Network access method and mobile communications terminal

Info

Publication number: WO2016173347A1
Application number: PCT/CN2016/077202
Authority: WO
Inventors: 刘海
Original assignee: 广东欧珀移动通信有限公司
Priority date: 2015-04-30
Filing date: 2016-03-24
Publication date: 2016-11-03
Also published as: CN104853409B; CN104853409A

Abstract

Disclosed is a network access method, comprising: a mobile communications terminal, which has moved from a visit location to a home location, searching for a network at said home location; if a home public land mobile network (PLMN) matching the network identifier in an equivalent public land mobile network (EPLMN) list is found at said home location, then establishing a communications connection between said mobile communications terminal and said matching home PLMN; the EPLMN list comprising the network identifier of a home PLMN and the network identifier of a visited PLMN, the network identifier of said home PLMN being a network identifier of a PLMN of a home carrier which has signed a roaming agreement with the visit-location carrier. In the present invention, a visited PLMN network identifier and a home PLMN network identifier of a mobile communications terminal are used, both of said identifiers being in an EPLMN list; a search for a network is performed by means of a home PLMN, effectively saving network search time and improving network search efficiency.

Description

Network access method and mobile communication terminal

The present invention claims priority to the priority of the application No. 201510217037.4, entitled "A Network Access Method and Mobile Communication Terminal", filed on April 30, 2015, the content of which is incorporated herein by reference. This.

Technical field

The present invention relates to the field of mobile communications technologies, and in particular, to a network access method and a mobile communication terminal.

Background technique

The Public Land Mobile Network (PLMN) is a network established and operated by the government or its approved operators to provide the public with land mobile communication services. The network must be interconnected with the Public Switched Telephone Network (PSTN) to form a regional or national-scale communications network.

The identity of the public land mobile network is usually a string of digital codes. For example, China Mobile's PLMN has a network identifier of 46000, and China Unicom's PLMN has a network identifier of 46001. Users can use the mobile network provided by each operator to facilitate convenient communication. . With the improvement of people's living standards, there are more and more users who carry communication mobile communication terminal equipment to travel abroad or travel. When users roam to different countries or regions, their mobile communication terminals need to re-search the network to obtain The current network identity of the public land mobile network.

When the mobile communication terminal returns from the visited place to the home place (for example, the mobile communication terminal returns from the roaming country to the home country), the mobile communication terminal needs to access the public land mobile network PLMN of the returning home. However, it is often the case that The mobile communication terminal moves from a certain visited place to the home place, and the mobile communication terminal often takes a long time (sometimes it may even need to wait for several tens of minutes or more) to successfully access the public land mobile network of the current visited place, which is extremely great. Affect the user communication experience.

Summary of the invention

The technical problem to be solved by the embodiments of the present invention is to provide a network access method and a mobile communication terminal, which can advance the attribution of the visited operator to the network operator that visited the network before starting the search for the network. The local public land mobile network HPLMN writes an EPLN list of equivalent public land mobile networks. When the search network is visited at the visited place by the registered public land mobile network RPLMN, since the searched RPLMN is equivalent to the HPLMN, the mobile communication terminal can camp on the cell and attempt to initiate a search network registration process, thereby reducing mobile communication. The length of the search in the process of the terminal searching the network.

A first aspect of the embodiments of the present invention discloses a network access method, including:

a mobile communication terminal from the visited place to the home place searches for the network at the home location;

Establishing a communication connection between the mobile communication terminal and the matching home PLMN if the home location PLMN matching the network identity in the equivalent public land mobile network EPLMN list is searched for in the home location, wherein The EPLMN list includes a network identifier of the home PLMN and a network identifier of the visited PLMN, where the network identifier of the home PLMN is a network identifier of the PLMN of the home operator that has signed the roaming agreement with the visited operator. ;

A second aspect of the embodiments of the present invention discloses a mobile communication terminal, including:

a search module, configured to search for a network at the home network from a visited mobile station to a home location;

a networking module, configured to establish, when the home location, a home PLMN that matches a network identifier in an equivalent public land mobile network EPLMN list, establish the mobile communication terminal and the matching home PLMN And a communication connection, wherein the EPLMN list includes a network identifier of the home PLMN and a network identifier of the visited PLMN, and the network identifier of the home PLMN is a home operation of the roaming agreement with the visited operator. The network identity of the merchant's PLMN.

A third aspect of the embodiments of the present invention discloses a mobile communication terminal, where the mobile communication terminal includes a processor and a memory, and the processor invokes a program in the memory to perform the following operations:

Establishing a communication connection between the mobile communication terminal and the matching home PLMN if the home location PLMN matching the network identity in the equivalent public land mobile network EPLMN list is searched for in the home location, wherein The EPLMN list includes a network identifier of the home PLMN and a network identifier of the visited PLMN, and the network identifier of the home PLMN is the same as the The visiting operator signs the network identity of the PLMN of the home operator of the roaming agreement.

In the technical solution of the embodiment of the present invention, not only the network identifier of the PLMN visited by the mobile communication terminal is added to the EPLMN list of the equivalent public land mobile network, but also the obtained operator of the PLMN visited by the mobile communication terminal is also roamed. The network identity of the PLMN of the protocol is also added to the EPLMN list, wherein the PLMNs in which the network identity is stored in the EPLMN list are considered to be equivalent by the mobile communication terminal to some extent, and therefore, if according to the EPLMN list The network access of the mobile communication terminal, then the network identity of some home PLMNs that have signed a roaming agreement with the operator of the PLMN visited by the mobile communication terminal is stored in the EPLMN list, so when the mobile communication terminal is visited from a certain Returning to the home location, the mobile communication terminal returns to the home location for network search, and the possibility that the network search hits a certain PLMN in which the network identifier is stored in the EPLMN list will be greatly improved, and therefore, the mobile communication terminal The success rate and rate of accessing the network at the home location may be greatly improved, which is beneficial to the great Shorten the waiting time of user communication (in an ideal state, the mobile communication terminal may only need a few seconds to complete the network access), which is beneficial to greatly improve the user communication experience.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.

FIG. 1 is a schematic flowchart of a network access method according to an embodiment of the present disclosure;

2 is a schematic flowchart of another network access method according to an embodiment of the present invention;

FIG. 3 is a schematic flowchart diagram of another network access method according to an embodiment of the present disclosure;

4a is a schematic structural diagram of a mobile communication terminal according to an embodiment of the present invention;

4b is another schematic structural diagram of a mobile communication terminal according to an embodiment of the present invention;

4c is another schematic structural diagram of a mobile communication terminal according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of another mobile communication terminal according to an embodiment of the present disclosure;

4 e is another schematic structural diagram of a mobile communication terminal according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of another mobile communication terminal according to an embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described in the following with reference to the accompanying drawings. It is apparent that the described embodiments are part of the embodiments of the invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of the present invention.

It is to be understood that the terminology used in the embodiments of the present invention is for the purpose of describing the particular embodiments, and is not intended to limit the invention. The singular forms "a", "the" and "the" It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The Public Land Mobile Network (PLMN) is a wireless communication system that is established and operated by the government or its approved operators to provide the public with the purpose of land mobile communication services. The network is typically interconnected with the public switched telephone network PSTN to form a communications network of a whole regional or national scale. The public land mobile network PLMN includes the following types:

Registered Public Land Mobile Network (Registered PLMN): A PLMN that is registered by a mobile communication terminal before it was last turned off or disconnected.

Equivalent Public Mobile Network (EPLMN): The priority is the same for PLMNs that are in the same position as the PLMN currently selected by the mobile communication terminal.

Home Public Land Mobile Network (Home HPLMN, HPLMN): A PLMN that is owned by a mobile communication terminal user. It can be identified by the Universal Subscriber Identity Module (USIM) card of the mobile communication terminal. For a certain user, there is only one PLMN at the place of attribution.

Equivalent Home PLMN (EHPLMN): A local PLMN that is in the same position as the PLMN currently selected by the mobile communication terminal.

Visited Public Land Mobile Network (Visited PLMN, VPLMN): A PLMN that is accessed by mobile communication terminal users. The MMN of the PLMN and the IMSI in the SIM card are not identical. When the mobile communication terminal loses coverage, a VPLMN will be selected.

FIG. 1 is a schematic flowchart of a network access method according to an embodiment of the present invention, where the method includes but is not limited to the following steps.

Step S101, the mobile communication terminal from the visited place to the home location searches for the network at the home location.

In a specific implementation, the mobile communication terminal may include a smart phone, a tablet computer with a communication function, or a palmtop computer. When the user carries the mobile communication terminal to return to the home location from a certain visited place, the mobile communication terminal needs to perform a network search again to connect to the current home network when the mobile terminal is turned on for the first time after reaching the home location. For example, when a Chinese user returns from the United States to China for the first time, the mobile communication terminal carried by the Chinese user will search for the domestic network in China for communication connection.

In a specific implementation, the home public land mobile network EHPLMN refers to a home public land mobile network in the present embodiment that is in the same priority as the visited public land mobile network in the network search. The equivalent public land mobile network EPLMN mainly solves the user presence and roaming strategy of the shared network and the original network. Operators can configure EPLMN networks, which can share communication network resources. For example, the network identification of the public land mobile network PLMN is mainly used to identify the network label of the public land mobile network PLMN. For example, the operator China Mobile has four network numbers, namely: 46000, 46002, 46007 and 46008, and China Unicom has three networks. No.: 46001, 46006 and 46009, they are all equivalent public land mobile networks. When the mobile communication terminal performs roaming, it generally searches for the registered public land mobile network RPLMN according to the search rule, and then selects the home public land mobile network EHPLMN/home public land mobile network HPLMN to search, when from the visited place. When returning to the home location, the mobile communication terminal cannot determine whether it is currently at the visited place or the home place, and thus continues to search for the visited public land mobile network VPLMN, which wastes a large amount of search time. Therefore, in this embodiment, in order to quickly obtain effective mobility The network, by adding the visited public land mobile network VPLMN identity of the mobile communication terminal and the home public land mobile network EHPLMN identity to the equivalent public land mobile network list, wherein the home public land mobile network HPLMN has been added, etc. Effective public land mobile network list to achieve fast search network. The equivalent public land mobile network EPLMN list is used to store the home public land mobile network HPLMN, the home public land mobile network EHPLMN, and the visited public land mobile network VPLMN identity information according to the network identity in the equivalent public land mobile network EPLMN list. Transmitting, by the mobile communication terminal, a broadcast search network command corresponding to the network identifier, determining, according to the broadcast message in the acquired broadcast channel, whether a suitable cell is captured, and capturing the public land obtained during the cell search process The mobile network PLMN returns to the mobile communication terminal to determine a searchable public land mobile network PLMN.

Step S102, if a home PLMN matching the network identifier in the EPLMN list of the equivalent public land mobile network is searched for, the communication between the mobile communication terminal and the matching home PLMN is established. The connection, wherein the EPLMN list includes a network identifier of the home PLMN and a network identifier of the visited PLMN, and the network identifier of the home PLMN is a PLMN of the home operator that has signed a roaming agreement with the visited operator. Network identity.

In a specific implementation, if the mobile communication terminal searches for a home PLMN that matches the network identifier in the EPLMN list of the equivalent public land mobile network, the communication connection between the mobile communication terminal and the matching home PLMN is established. The EPLMN list includes the network identifier of the home PLMN and the network identifier of the visited PLMN. The network identifier of the home PLMN is the network identifier of the PLMN of the home operator that has signed the roaming agreement with the visited operator. In some possible implementations, the visited place and the attribution belong to different countries or different administrative regions.

In the embodiment of the present invention, the mobile communication terminal from the visited place to the home location searches for the network at the home location; if the home location PLMN that matches the network identity in the equivalent public land mobile network EPLMN list is searched at the home location, Establishing a communication connection between the mobile communication terminal and the matching home PLMN, wherein the EPLMN list includes a network identity of a home PLMN and a network identity of a visited PLMN, and a network identity of the home PLMN The network identifier of the PLMN of the home operator that has signed the roaming agreement with the visited operator. The invention adopts the visited public land mobile network identifier and the attribution public land mobile network identifier of the mobile communication terminal in the equivalent public land mobile network list, and performs network search by means of the attribution public land mobile network, thereby effectively saving the network. Searching the network time increases the efficiency of the search network.

FIG. 2 is a schematic flowchart diagram of another network access method according to an embodiment of the present invention, where the method includes but is not limited to the following steps.

Step S201, adding a network identifier of the home PLMN to the EPLMN list.

In a specific implementation, the mobile communication terminal may add the network identifier of the home PLMN to the EPLMN list.

As a possible implementation manner, the mobile communication terminal adds a attribution to the EPLMN list. Before the network identity of the PLMN, the mobile communication terminal may add the network identity of the home PLMN to the EPLMN list. Further, before the mobile communication terminal adds the network identifier of the home PLMN to the EPLMN list, the mobile communication terminal may acquire the network identifier of the home PLMN through the wired network and/or the wireless network. Further, before the mobile communication terminal adds the network identifier of the home PLMN to the EPLMN list, the mobile communication terminal may acquire the network identifier of the home PLMN through the order information. Further, before the mobile communication terminal adds the network identifier of the home PLMN to the EPLMN list, the network identifier of the home PLMN input by the user is received.

Specifically, the home public land mobile network EHPLMN identity includes a network identity corresponding to at least one equivalent public land mobile network HPLMN that is equivalent to the home public land mobile network HPLMN.

In this embodiment, the home public land mobile network EHPLMN refers to a home public land mobile network at the same priority as the visited public land mobile network during network search. The equivalent public land mobile network EPLMN mainly solves the user presence and roaming strategy of the shared network and the original network. Operators can configure EPLMN networks, which can share communication network resources.

In the embodiment of the present invention, the network identifier may include a network number segment. For example, China Mobile includes four number segments, which are 46000, 46002, 46007, and 46008 respectively; China Unicom includes three segments, namely 46001, 46006, and 46009. The network list may include a network identifier of a pre-added HPLMN home public land mobile network and a network identifier of a VPLMN visited public land mobile network; or the network list may include a pre-added EHPLMN attribution public a network identity of the land mobile network and a network identity of the public land mobile network of the VPLMN visited; or the network list may include a network identity of the pre-added HPLMN home public land mobile network, and a network of the EHPLMN home public land mobile network Identification and network identification of the public land mobile network visited by the VPLMN. The network identifier of the pre-added VPLMN visited public land mobile network is equivalent to the RPLMN of the terminal registered before the last shutdown or off-network, and has the same priority.

When the mobile communication terminal performs roaming, it generally searches for the registered public land mobile network RPLMN according to the search rule, and then selects the home public land mobile network EHPLMN/home public land mobile network HPLMN to search, when from the visited place. When returning to the home location, the mobile communication terminal cannot judge whether it is currently at the visited place or the home place, and thus continues to search for the visited public land mobile network VPLMN, which wastes a large amount of search time, so this embodiment is fast Quickly obtaining an effective mobile network by adding the visited public land mobile network VPLMN identity of the mobile communication terminal and the home public land mobile network EHPLMN identity to the equivalent public land mobile network list, respectively, wherein the home public land mobile network HPLMN has been added to the list of equivalent public land mobile networks for fast search networks.

In a specific implementation, after the broadcast search network command is sent by the mobile communication terminal according to the equivalent public land mobile network EPLMN list, the broadcast message corresponding to the equivalent public land mobile network EPLMN list is received, and the network search operation is performed, where the equivalent public The land mobile network EPLMN list is used to store the home public land mobile network HPLMN, the home public land mobile network EHPLMN, and the visited public land mobile network VPLMN identity information, according to the network identity in the equivalent public land mobile network EPLMN list, by moving The communication terminal sends a broadcast search network command corresponding to the network identifier, acquires a broadcast feedback message matching any one of the network identifiers in the broadcast channel, and selects a public land mobile network PLMN corresponding to the network identifier according to the feedback message.

In a specific implementation, when searching for any one of the EPLMN lists in the equivalent public land mobile network, the cell is selected to be camped, and when searching for a certain public land mobile network PLMN, acquiring the PLMN belonging to the public land mobile network And, according to the public land mobile network PLMN information, if the home PLMN matching the network identifier in the EPLMN list of the equivalent public land mobile network is searched for at the home location, establishing the mobile communication terminal and the matching home PLMN Communication connection between. Any one of the networks includes an equivalent public land mobile network EPLMN of any one of the visited public land mobile network VPLMN and the home public land mobile network EHPLMN of the mobile communication terminal in the list.

Step S202: The mobile communication terminal from the visited place to the home location searches for the network at the home location.

The specific description of step S202 is as shown in step S101 of the network access method of the embodiment of the present invention described in FIG.

Step S203: If the home location PLMN matching the network identifier in the EPLMN list of the equivalent public land mobile network is searched for, the communication between the mobile communication terminal and the matching home PLMN is established. The connection, wherein the EPLMN list includes a network identifier of the home PLMN and a network identifier of the visited PLMN, and the network identifier of the home PLMN is a PLMN of the home operator that has signed a roaming agreement with the visited operator. Network identity.

The specific description of step S203 is as shown in the network access party of the embodiment of the present invention as described in FIG. Step S102 of the method.

FIG. 3 is a schematic flowchart diagram of another network access method according to an embodiment of the present invention, where the method includes but is not limited to the following steps.

Step S301: Receive a network identifier of the home PLMN input by a user.

In a specific implementation, the mobile communication terminal can receive the network identifier of the home PLMN input by the user. Further, the mobile communication terminal can acquire the network identifier of the home PLMN through the order information. Further, the mobile communication terminal can acquire the network identity of the home PLMN through the wired network and/or the wireless network.

Step S302: Add a network identifier of the home PLMN to the EPLMN list.

Step S303: The mobile communication terminal from the visited place to the home location searches for the network at the home location;

Step S304: If the home location PLMN matching the network identifier in the EPLMN list of the equivalent public land mobile network is searched for, the communication between the mobile communication terminal and the matching home PLMN is established. The connection, wherein the EPLMN list includes a network identifier of the home PLMN and a network identifier of the visited PLMN, and the network identifier of the home PLMN is a PLMN of the home operator that has signed a roaming agreement with the visited operator. Network identity.

For the specific implementation process of the step S301 to the step S304, reference may be made to the network access method described in the foregoing embodiment of the present invention in FIG. 1 or FIG.

The embodiment of the invention receives the network identifier of the home PLMN input by the user; acquires the network identifier of the home PLMN through the order information; acquires the network through the wired network and/or the wireless network a network identifier of the home PLMN; a network identifier of the home PLMN is added to the EPLMN list; a mobile communication terminal from the visited place to the home search network at the home; if the home location is searched Establishing a communication connection between the mobile communication terminal and the matching home PLMN, the home PLMN matching the network identity in the EPLMN list of the equivalent public land mobile network, wherein the EPLMN list includes a home location The network identifier of the PLMN and the network identifier of the visited PLMN. The network identifier of the home PLMN is the network identifier of the PLMN of the home operator that has signed the roaming agreement with the visited operator. The invention adopts the visited public land mobile network identifier and the attribution public land mobile network identifier of the mobile communication terminal in the equivalent public land mobile network list, and performs network search by means of the attribution public land mobile network, thereby effectively saving the network. Searching the network time increases the efficiency of the search network.

FIG. 4 is a schematic structural diagram of a mobile communication terminal according to an embodiment of the present invention. The mobile communication terminal includes a column search module 401 and a networking module 402.

The search module 401 is configured to search for a network at the home location from a visited mobile communication terminal.

In a specific implementation, the mobile communication terminal may include a smart phone, a tablet computer with a communication function, or a palmtop computer. When the user carries the mobile communication terminal to return to the home location from a certain visited place, the mobile communication terminal needs to search the module 401 to perform network search again when the mobile communication terminal is turned on for the first time after reaching the home location, so that the network connection module 402 connects to the current home network. . For example, when a Chinese user returns from the United States to China for the first time, the mobile communication terminal carried by the Chinese user will search for the domestic network in China for communication connection. The search module 401 can be used to search the network at home from the visited mobile communication terminal to the home.

In a specific implementation, the home public land mobile network EHPLMN refers to a home public land mobile network in the present embodiment that is in the same priority as the visited public land mobile network in the network search. The equivalent public land mobile network EPLMN mainly solves the user presence and roaming strategy of the shared network and the original network. Operators can configure EPLMN networks, which can share communication network resources. The public land mobile network PLMN identity is mainly used to identify the network label of the public land mobile network PLMN. For example, the operator China Mobile has four network numbers, namely: 46000, 46002, 46007 and 46008, and China Unicom has three network numbers: 46001. 46006 and 46009, they are all equivalent public Land mobile network. When the mobile communication terminal performs roaming, the search module 401 first searches for the registered public land mobile network RPLMN according to the search rule, and then selects the home public land mobile network EHPLMN/home public land mobile network HPLMN for searching. When returning from the visited place to the home place, the mobile communication terminal cannot determine whether it is currently at the visited place or the home place, and thus continues to search for the visited public land mobile network VPLMN, which wastes a large amount of search time. Therefore, this embodiment is capable of quickly obtaining To the active mobile network, by adding the visited public land mobile network VPLMN identity of the mobile communication terminal and the home public land mobile network EHPLMN identity to the equivalent public land mobile network list, respectively, wherein the home public land mobile network HPLMN has Add to the list of equivalent public land mobile networks to enable fast search networks. The equivalent public land mobile network EPLMN list is used to store the home public land mobile network HPLMN, the home public land mobile network EHPLMN, and the visited public land mobile network VPLMN identity information according to the network identity in the equivalent public land mobile network EPLMN list. Transmitting, by the mobile communication terminal, a broadcast search network command corresponding to the network identifier, determining, according to the broadcast message in the acquired broadcast channel, whether a suitable cell is captured, and capturing the public land mobile obtained during the cell search process The network PLMN returns to the mobile communication terminal to determine the searchable public land mobile network PLMN.

The networking module 402 is configured to establish, when the home location, a home PLMN that matches a network identifier in an equivalent public land mobile network EPLMN list, establish the mobile communication terminal and the matching home PLMN. a communication connection between the network identifier of the home PLMN and the network identity of the visited PLMN, the network identity of the home PLMN being the attribution of the roaming agreement with the visited operator The network identity of the operator's PLMN.

In a specific implementation, if the search module 401 searches for a home PLMN that matches the network identifier in the EPLMN list of the equivalent public land mobile network, the networking module 402 establishes a relationship between the mobile communication terminal and the matching home PLMN. The communication connection, wherein the EPLMN list includes the network identity of the home PLMN and the network identity of the visited PLMN, and the network identity of the home PLMN is the network identity of the PLMN of the home operator that has signed the roaming agreement with the visited operator. In some possible implementations, the visited place and the attribution belong to different countries or different administrative regions.

Specifically, when the search module 401 searches for any one and the equivalent public land mobile network list When the network is matched, the searchable public land mobile network EPLMN is determined, and the network is the home public land mobile network HPLMN, the home public land mobile network EHPLMN and the visited public land mobile network of the mobile communication terminal in the list. A communication connection between the mobile communication terminal and the matching home PLMN is established when any of the equivalent public land mobile networks EPLMN in the VPLMN. For example, when the acquired public land mobile network PLMN is 46001 belonging to China Unicom, a communication connection between the mobile communication terminal and China Unicom can be established.

As shown in FIG. 4b, the mobile communication terminal described in the embodiment of the present invention may further include: an adding module 403.

The adding module 403 is configured to add the network identifier of the home PLMN to the EPLMN list before the mobile communication terminal that the search module 401 moves from the visited location to the home location.

Further, as a possible implementation, as shown in FIG. 4c, the mobile communication terminal described in the embodiment of the present invention may further include: a first acquiring module 404.

The first obtaining module 404 is configured to acquire the network identifier of the home PLMN through a wired network and/or a wireless network before adding the network identifier of the home PLMN to the EPLMN list.

Further, as a possible implementation manner, as shown in FIG. 4d, the mobile communication terminal described in the embodiment of the present invention may further include: a second obtaining module 405.

The second obtaining module 405 is configured to acquire the network identifier of the home PLMN by using the order information before adding the network identifier of the home PLMN to the EPLMN list.

As shown in FIG. 4e, the mobile communication terminal described in the embodiment of the present invention may further include: a third obtaining module 406.

The third obtaining module 406 is configured to receive the network identifier of the home PLMN input by the user before adding the network identifier of the home PLMN to the EPLMN list.

The search module 401 is configured to search for a network from the visited mobile communication terminal to the home location; the networking module 402 is configured to search for an equivalent public land mobile network at the home location. The network identifier in the EPLMN list matches the home PLMN, and the shift is established. a communication connection between the mobile communication terminal and the matching home PLMN, wherein the EPLMN list includes a network identity of the home PLMN and a network identity of the visited PLMN, and the network identity of the home PLMN is The visited operator signs the network identity of the PLMN of the home operator of the roaming agreement. The invention adopts the visited public land mobile network identifier and the attribution public land mobile network identifier of the mobile communication terminal in the equivalent public land mobile network list, and performs network search by means of the attribution public land mobile network, thereby effectively saving the network. Searching the network time increases the efficiency of the search network.

Referring to FIG. 5, FIG. 5 is a schematic structural diagram of a second embodiment of a mobile communication terminal according to an embodiment of the present invention. The mobile communication terminal described in this embodiment includes: at least one input device 1000; at least one output device 2000; at least one processor 3000, such as a CPU; and a memory 4000, the input device 1000, the output device 2000, the processor 3000, and The memory 4000 is connected by a bus 5000.

The input device 1000 can be a touch panel, a general PC, a liquid crystal screen, a touch screen, or the like.

The above memory 4000 may be a high speed RAM memory or a non-volatile memory such as a disk memory. The above memory 4000 is used to store a set of program codes, and the input device 1000, the output device 2000, and the processor 3000 are used to call the program code stored in the memory 4000, and perform the following operations:

The processor 3000 is configured to search for a network from the visited mobile communication terminal to the home location.

In a specific implementation, the home public land mobile network EHPLMN refers to a home public land mobile network in the present embodiment that is in the same priority as the visited public land mobile network in the network search. The equivalent public land mobile network EPLMN mainly solves the user presence and roaming strategy of the shared network and the original network. Operators can configure EPLMN networks, and communication networks can be implemented between these networks. Source sharing. The public land mobile network PLMN identity is mainly used to identify the network label of the public land mobile network PLMN. For example, the operator China Mobile has four network numbers, namely: 46000, 46002, 46007 and 46008, and China Unicom has three network numbers: 46001. 46006 and 46009, both of which are equivalent public land mobile networks. When the mobile communication terminal performs roaming, it generally searches for the registered public land mobile network RPLMN according to the search rule, and then selects the home public land mobile network EHPLMN/home public land mobile network HPLMN to search, when from the visited place. When returning to the home location, the mobile communication terminal cannot determine whether it is currently at the visited place or the home place, and thus continues to search for the visited public land mobile network VPLMN, which wastes a large amount of search time. Therefore, in this embodiment, in order to quickly obtain effective mobility The network, by adding the visited public land mobile network VPLMN identity of the mobile communication terminal and the home public land mobile network EHPLMN identity to the equivalent public land mobile network list, wherein the home public land mobile network HPLMN has been added, etc. Effective public land mobile network list to achieve fast search network. The equivalent public land mobile network EPLMN list is used to store the home public land mobile network HPLMN, the home public land mobile network EHPLMN, and the visited public land mobile network VPLMN identity information according to the network identity in the equivalent public land mobile network EPLMN list. Transmitting, by the mobile communication terminal, a broadcast search network command corresponding to the network identifier, determining, according to the broadcast message in the acquired broadcast channel, whether a suitable cell is captured, and capturing the public land mobile obtained during the cell search process The network PLMN returns to the mobile communication terminal to determine the searchable public land mobile network PLMN.

The processor 3000 is further specifically configured to:

Establishing a communication connection between the mobile communication terminal and the matching home PLMN if the home location PLMN matching the network identity in the equivalent public land mobile network EPLMN list is searched for in the home location, wherein The EPLMN list includes a network identifier of the home PLMN and a network identifier of the visited PLMN, where the network identifier of the home PLMN is a network identifier of the PLMN of the home operator that has signed the roaming agreement with the visited operator. .

As a possible implementation manner, the network identifier of the home PLMN is equivalent to the network identifier of the registered public land mobile network RPLMN that the mobile communication terminal preferentially searches.

As a possible implementation manner, the EPLMN list further includes a network identifier of the home PLMN and/or an equivalent visited PLMN network identifier.

In some possible implementations, the processor 3000 is further configured to: move from a visited place. The mobile communication terminal moving to the home station adds the network identity of the home PLMN to the EPLMN list before the home search network.

In some possible implementations, the foregoing processor 3000 is further configured to: before adding the network identifier of the home PLMN to the EPLMN list, acquire the home PLMN by using a wired network and/or a wireless network. Network identification.

In some possible implementations, the processor 3000 is further configured to:

Before adding the network identifier of the home PLMN to the EPLMN list, the network identifier of the home PLMN is obtained through the order information.

In some possible implementations, the processor 3000 is further configured to:

Before adding the network identifier of the home PLMN to the EPLMN list, receiving a network identifier of the home PLMN input by the user.

As a possible implementation manner, the visited place and the attribution place belong to different countries or different administrative regions.

In the specific implementation, the input device 1000, the output device 2000, and the processor 3000 described in the embodiments of the present invention may be implemented in the embodiments of the network access method described in the foregoing FIG. 1 to FIG. For the implementation of the description, the implementation of the mobile communication terminal described in the first embodiment of the mobile communication terminal described in FIG. 4a to FIG. 4e provided by the embodiment of the present invention may be performed, and details are not described herein again.

It should be noted that, for the foregoing method embodiments, for the sake of simple description, they are all expressed as a series of action combinations, but those skilled in the art should understand that the present invention is not limited by the described action sequence. Because certain steps may be performed in other sequences or concurrently in accordance with the present invention. In addition, those skilled in the art should also understand that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

In the above embodiments, the descriptions of the various embodiments are different, and the details that are not detailed in a certain embodiment can be referred to the related descriptions of other embodiments.

Through the description of the above embodiments, those skilled in the art can clearly understand that the present invention can be implemented in hardware, firmware implementation, or a combination thereof. When implemented in software, the functions described above may be stored in or transmitted as one or more instructions or code on a computer readable medium. Computer readable media includes both computer storage media and communication media. Communication media includes any medium that facilitates the transfer of a computer program from one location to another. A storage medium may be any available media that can be accessed by a computer. For example, but not limited to, the computer readable medium may include a random access memory (RAM), a read-only memory (ROM), and an electrically erasable programmable read-only memory (Electrically Erasable Programmable). Read-Only Memory (EEPROM), Compact Disc Read-Only Memory (CD-ROM) or other optical disc storage, disk storage media or other magnetic storage devices, or can be used to carry or store an instruction or data structure. The desired program code and any other medium that can be accessed by the computer. Also. Any connection may suitably be a computer readable medium. For example, if the software is transmitted from a website, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), or wireless technologies such as infrared, radio, and microwave, Then coaxial cable, fiber optic cable, twisted pair, DSL or wireless technologies such as infrared, wireless and microwave are included in the fixing of the associated medium. As used in the present invention, a disk and a disc include a compact disc (CD), a laser disc, a compact disc, a digital versatile disc (DVD), a floppy disk, and a Blu-ray disc, wherein the disc is usually magnetically copied, and the disc is The laser is used to optically replicate the data. Combinations of the above should also be included within the scope of the computer readable media.

In summary, the above description is only a preferred embodiment of the technical solution of the present invention, and is not intended to limit the scope of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

A network access method, comprising:

a mobile communication terminal from the visited place to the home place searches for the network at the home location;

Establishing a communication connection between the mobile communication terminal and the matching home PLMN if the home location PLMN matching the network identity in the equivalent public land mobile network EPLMN list is searched for in the home location, wherein The EPLMN list includes a network identifier of the home PLMN and a network identifier of the visited PLMN, where the network identifier of the home PLMN is a network identifier of the PLMN of the home operator that has signed the roaming agreement with the visited operator. .
The method according to claim 1, wherein the network identity of the home PLMN is equivalent to the network identity of the registered public land mobile network RPLMN that the mobile communication terminal preferentially searches.
The method according to claim 1, wherein the EPLMN list further comprises a network identity of the home PLMN and/or an equivalent visited PLMN network identity.
The method according to any one of claims 1 to 3, wherein the mobile communication terminal moving from the visited location to the home location further includes: adding the location to the EPLMN list before the home search network The network identity of the home PLMN.
The method according to claim 4, wherein before the adding the network identifier of the home PLMN to the EPLMN list, the method further comprises: acquiring, by the wired network and/or the wireless network, the home PLMN Network identification.
The method according to claim 4, wherein before the adding the network identifier of the home PLMN to the EPLMN list, the method further comprises: acquiring, by using the order information, a network identifier of the home PLMN.
The method according to claim 4, wherein before the adding the network identifier of the home PLMN to the EPLMN list, the method further comprises: receiving a network identifier of the home PLMN input by a user.
The method according to any one of claims 1 to 7, characterized in that the visited place and the belonging place belong to different countries or different administrative areas.
A mobile communication terminal, comprising:

a search module, configured to search for a network at the home network from a visited mobile station to a home location;

a networking module, configured to establish, when the home location, a home PLMN that matches a network identifier in an equivalent public land mobile network EPLMN list, establish the mobile communication terminal and the matching home PLMN And a communication connection, wherein the EPLMN list includes a network identifier of the home PLMN and a network identifier of the visited PLMN, and the network identifier of the home PLMN is a home operation of the roaming agreement with the visited operator. The network identity of the merchant's PLMN.
The mobile communication terminal according to claim 9, wherein the network identity of the home PLMN is equivalent to the network identity of the registered public land mobile network RPLMN that the mobile communication terminal preferentially searches.
The mobile communication terminal according to claim 9, wherein the EPLMN list further comprises a network identity of the home PLMN and/or a network identity of the equivalent visited PLMN.
The mobile communication terminal according to any one of claims 9 to 11, wherein the mobile communication terminal further comprises:

And a adding module, wherein the mobile communication terminal that is used by the search module to move from the visited location to the home location adds the network identifier of the home PLMN to the EPLMN list before the home search network.
The mobile communication terminal according to claim 12, wherein the mobile communication terminal further comprises:

And a first acquiring module, configured to acquire the network identifier of the home PLMN through a wired network and/or a wireless network before adding the network identifier of the home PLMN to the EPLMN list.
The mobile communication terminal according to claim 12, wherein the mobile communication terminal further comprises:

And a second obtaining module, configured to acquire the network identifier of the home PLMN by using the order information before adding the network identifier of the home PLMN to the EPLMN list.
The mobile communication terminal according to claim 12, wherein the mobile communication terminal further comprises:

And a third acquiring module, configured to receive, before adding the network identifier of the home PLMN to the EPLMN list, a network identifier of the home PLMN input by a user.
The mobile communication terminal according to any one of claims 9 to 15, characterized in that the visited place and the home place belong to different countries or different administrative areas.
A mobile communication terminal, characterized in that the mobile communication terminal comprises a processor and a memory, and the processor calls a program in the memory for performing the following operations:

a mobile communication terminal from the visited place to the home place searches for the network at the home location;

Establishing a communication connection between the mobile communication terminal and the matching home PLMN if the home location PLMN matching the network identity in the equivalent public land mobile network EPLMN list is searched for in the home location, wherein The EPLMN list includes a network identifier of the home PLMN and a network identifier of the visited PLMN, where the network identifier of the home PLMN is a network identifier of the PLMN of the home operator that has signed the roaming agreement with the visited operator. .
The mobile communication terminal according to claim 17, wherein the network identity of the home PLMN is equivalent to the network identity of the registered public land mobile network RPLMN that the mobile communication terminal preferentially searches.
The mobile communication terminal according to claim 17, wherein the EPLMN list further comprises a network identity of the home PLMN and/or an equivalent visited PLMN network identity.
The mobile communication terminal according to any one of claims 17 to 19, wherein said processor calls a program in said memory, said mobile communication terminal performing said moving from a visited location to a home location Before the step of attribution to the search network, it also performs:

Adding the network identity of the home PLMN to the EPLMN list.
The mobile communication terminal according to claim 20, wherein said processor calls a program in said memory, before said step of adding said network identifier of said home PLMN to said EPLMN list, Also executed:

The network identity of the home PLMN is obtained over a wired network and/or a wireless network.
The mobile communication terminal according to claim 20, wherein said processor calls a program in said memory to perform said step of adding said network identity of said home PLMN to said list of EPLMNs Previously, it also executed:

Obtaining the network identifier of the home PLMN through the order information.
The mobile communication terminal according to claim 20, wherein said processor calls a program in said memory, before said step of adding said network identifier of said home PLMN to said EPLMN list, Also executed:

Receiving a network identifier of the home PLMN input by a user.
The mobile communication terminal according to any one of claims 17 to 23, characterized in that the visited place and the home place belong to different countries or different administrative areas.