CN104980998B - A kind of method for network access and mobile terminal - Google Patents

A kind of method for network access and mobile terminal Download PDF

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Publication number
CN104980998B
CN104980998B CN201510346847.XA CN201510346847A CN104980998B CN 104980998 B CN104980998 B CN 104980998B CN 201510346847 A CN201510346847 A CN 201510346847A CN 104980998 B CN104980998 B CN 104980998B
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China
Prior art keywords
network
mobile terminal
network identity
lists
plmn
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CN201510346847.XA
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Chinese (zh)
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CN104980998A (en
Inventor
曹军
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广东欧珀移动通信有限公司
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Publication of CN104980998A publication Critical patent/CN104980998A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/16Discovering, processing access restriction or access information

Abstract

The embodiment of the invention discloses a kind of method for network access, including:When mobile terminal reaches target visited place from specified location, start the mobile terminal searches net function;According to the network parameter of the network identity stored in equivalent public land mobile network EPLMN lists set in advance and reciprocity home network EHPLMN lists, the matching priority of the network identity in the EPLMN lists and the network identity in the EHPLMN lists is determined;When the mobile terminal to search is to target public land mobile network PLMN, the network identity of the target PLMN is matched to the network identity included in the list that priority is the first priority with the EPLMN lists and the EHPLMN lists and matched;When matching obtains the network identity matched with the network identity of the target PLMN, the communication connection set up between mobile terminal and the target PLMN.Implement the embodiment of the present invention, the duration that mobile terminal connects public land mobile network can be reduced, so as to greatly improve user's communication experiences of mobile terminal.

Description

A kind of method for network access and mobile terminal

Technical field

The present invention relates to moving communicating field, more particularly to a kind of method for network access and mobile terminal.

Background technology

Public land mobile network (PLMN, Public Land Mobile Network), by government or it ratified Operator, the network that land mobile business purpose is set up and managed is provided for the public.The network is generally exchanged with the public Telephone network interconnection, forms the communication network of whole distract or Country Scale.

The mark of public land mobile network is typically string number code, and the PLMN of such as China Mobile network identity is 46000, the PLMN of CHINAUNICOM network identity are 46001, and the mobile network that user is provided by each operator can enter It is accommodating efficiently to communicate.With the improvement of people ' s living standards, portable communication terminal equipment user is also more and more, works as user When reaching the visited places of Mobile phone card ownership place such as immobile terminal, mobile phone needs to look for net, to obtain public land mobile network Network identity.

However, in the prior art, mobile phone needs constantly to carry out web search when looking for net, mobile phone needs the net that will be found Network carries out trial connection, could carry out network insertion by continuously attempting to connect the network type supported until finding mobile phone, join Net is time-consuming longer, and mobile phone constantly carries out network connection trial, and consumption power consumption large user's communication experiences are low.

The content of the invention

The embodiments of the invention provide a kind of method for network access and mobile terminal, mobile terminal can be reduced and connect public land The duration of ground mobile network, improves user's communication experiences of mobile terminal.

The embodiment of the invention discloses a kind of method for network access, including:

When mobile terminal reaches target visited place from specified location, start the mobile terminal searches net function;

According in equivalent public land mobile network EPLMN lists set in advance and reciprocity home network EHPLMN lists The network parameter of the network identity of storage, determines the net in the network identity and the EHPLMN lists in the EPLMN lists The matching priority of network mark;

When the mobile terminal to search is to target public land mobile network PLMN, by the network mark of the target PLMN Know the network mark for matching and being included in the list that priority is the first priority with the EPLMN lists and the EHPLMN lists Knowledge is matched;

When matching obtains the network identity matched with the network identity of the target PLMN, the mobile terminal is set up With the communication connection between the target PLMN.

Wherein, in the network identity by the target PLMN and the EPLMN lists and the EHPLMN lists After being matched with the network identity included in the higher list of priority, methods described also includes:

When matching is less than the network identity that the network identity with the target PLMN matches, by the target PLMN's Network identity matches what is included in the list that priority is the second priority with the EPLMN lists and the EHPLMN lists Network identity is matched;

The network matched when the network identity in the list that matching obtains second priority with the target PLMN During mark, the communication connection set up between the mobile terminal and the target PLMN.

Wherein, described when mobile terminal reaches target visited place from specified location, start the mobile terminal searches net Before function, methods described also includes:

The information of the subscriber identification card of mobile terminal is obtained, and is determined according to the information of the subscriber identification card The all-network type that the mobile terminal is supported;

The network type supported according to the mobile terminal determines the PLMN of all network types network identity, and The PLMN of all network types network identity is added to EHPLMN lists and EPLMN lists;

Wherein, the network identity includes network number section.

Wherein, described to set up after the communication connection between the mobile terminal and the target PLMN, methods described is also Including:

Calculate the mobile terminal lookup target PLMN and foundation and the communication connection of the target PLMN is disappeared The total duration of consumption, boundary is operated using the total duration as the user that the duration of this network insertion is exported to the mobile terminal Face, is consulted for the user of the mobile terminal.

Wherein, described to set up after the communication connection between the mobile terminal and the target PLMN, methods described is also Including:

Set up according to the mobile terminal and the target PLMN at the time of communicate to connect, update the EHPLMN lists or The newest Connection Time of the network identity of the target PLMN described in EPLMN lists described in person;Or

The visited place information of communication connection is set up according to the mobile terminal and the target PLMN, the EHPLMN is updated The newest connection visited place of the network identity of the target PLMN described in list or the EPLMN lists;Or

The total duration of communication connection is set up according to the mobile terminal and the target PLMN, the EHPLMN is updated The newest connection duration of the network identity of the target PLMN described in list or the EPLMN lists;

Wherein, the network parameter of the network identity stored in the EPLMN lists and the EHPLMN lists includes:It is described The newest Connection Time of network identity or the corresponding newest connection visited place of the network identity or the network identity Newest connection duration.

Correspondingly, the embodiment of the invention also discloses a kind of mobile terminal, including:

Start unit, for when mobile terminal reaches target visited place from specified location, starting the mobile terminal Search net function;

Determining unit, for according to equivalent public land mobile network EPLMN lists set in advance and reciprocity home network The network parameter of the network identity stored in network EHPLMN lists, determines network identity in the EPLMN lists and described The matching priority of network identity in EHPLMN lists;

Matching unit, for when the mobile terminal to search is to target public land mobile network PLMN, by the mesh Priority is matched in the EPLMN lists and the EHPLMN lists that mark PLMN network identity is determined with the determining unit The network identity included in list for the first priority is matched;

Connection unit, for matching the net for obtaining matching with the network identity of the target PLMN in the matching unit When network is identified, the communication connection set up between the mobile terminal and the target PLMN.

Wherein, the matching unit, is additionally operable to the net matched in matching less than the network identity with the target PLMN When network is identified, the network identity of the target PLMN is matched into priority with the EPLMN lists and the EHPLMN lists The network identity included in list for the second priority is matched;

The connection unit, be additionally operable to the matching unit match obtain in the list of second priority with it is described During the network identity that target PLMN network identity matches, the communication set up between the mobile terminal and the target PLMN Connection.

Wherein, the mobile terminal also includes:

Acquiring unit, the information of the subscriber identification card for obtaining mobile terminal, and known according to the user identity The information do not blocked determines the all-network type that the mobile terminal is supported;

Adding device, the network type that the mobile terminal for being determined according to the acquiring unit is supported determines all The PLMN of network type network identity, and the PLMN of all network types network identity is added to EHPLMN List and EPLMN lists;

Wherein, the network identity includes network number section.

Wherein, the mobile terminal also includes:

Output unit, the target PLMN and foundation and the target PLMN's are searched for calculating the mobile terminal The consumed total duration of communication connection, is exported the total duration as the duration of this network insertion to the mobile terminal User interface, is consulted for the user of the mobile terminal.

Wherein, the mobile terminal also includes:

Updating block, for being set up according to the mobile terminal and the target PLMN described in the time renewal of communication connection The renewal time of the network identity of the target PLMN described in EHPLMN lists or the EPLMN lists;Or

According to the mobile terminal and the target PLMN time for setting up communication connection update the EHPLMN lists or The corresponding visited place information of network identity of the target PLMN described in EPLMN lists described in person;

Wherein, the network parameter of the network identity stored in the EPLMN lists and the EHPLMN lists includes:Network The record renewal time of mark or the corresponding PLMN of the network identity believe with the visited place that mobile terminal is set up where being connected Breath.

In embodiments of the present invention, returned according to equivalent public land mobile network EPLMN lists set in advance and equity The network parameter of the network identity stored in category network EHPLMN lists, determines the network identity and EHPLMN in EPLMN lists The matching priority of network identity in list., can be by when mobile terminal to search is to target public land mobile network PLMN Target PLMN network identity is with matching the network mark included in the higher list of priority in EPLMN lists and EHPLMN lists Knowledge is matched.If the match is successful, the communication connection that can be set up between mobile terminal and target PLMN can reduce mobile terminal The duration of public land mobile network is connected, user's communication experiences of mobile terminal are improved.

Brief description of the drawings

Technical scheme in order to illustrate more clearly the embodiments of the present invention, below by to be used needed for embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, general for this area For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is a kind of schematic flow sheet of method for network access disclosed in the embodiment of the present invention;

Fig. 2 is the schematic flow sheet of another method for network access disclosed in the embodiment of the present invention;

Fig. 3 is a kind of structural representation of mobile terminal disclosed in the embodiment of the present invention;

Fig. 4 is the structural representation of another mobile terminal disclosed in the embodiment of the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made Example, belongs to the scope of protection of the invention.

The embodiment of the invention discloses a kind of method for network access and mobile terminal, mobile terminal connection can be reduced public The duration of land mobile network, so as to greatly improve user's communication experiences.

Referring to Fig. 1, Fig. 1 is a kind of schematic flow sheet of method for network access disclosed in the embodiment of the present invention;Wherein, scheme Method shown in 1 can apply in the mobile terminals such as smart mobile phone (such as Android phone, iOS mobile phones).As shown in figure 1, The method for network access may comprise steps of:

S101, when mobile terminal reaches target visited place from specified location, start the mobile terminal searches net function.

In some feasible embodiments, when mobile phone has been connected from the ownership place of handset identities identification card, or mobile phone When the specified locations such as the first visited place of network reach new visited place, mobile phone can start it and search net function, be closed with searching Suitable PLMN carries out mobile phone and PLMN communication connection.In implementing, the handset identities described in the embodiment of the present invention are known Other fixture body can block for the client identification module (Subscriber Identity Module, SIM) of mobile phone.Above-mentioned user identity The information of identification card may include:The operator (such as China Mobile, CHINAUNICOM or China Telecom) of SIM card, SIM card branch The network type held or SIM card user (cellphone subscriber's identification card number i.e. bound in SIM card etc.), are not limited herein.

S102, according to equivalent public land mobile network EPLMN lists set in advance and reciprocity home network EHPLMN The network parameter of the network identity stored in list, determines the network identity in the EPLMN lists and the EHPLMN lists In network identity matching priority.

In some feasible embodiments, it is searched after net function handset starting, then can carry out PLMN in visited place Search., can be according to equivalent public land mobile network set in advance when mobile phone carries out PLMN search in implementing (Equivalent Public Land Mobile Network, EPLMN) list and reciprocity home network (Equivalent Home PLMN, EHPLMN) in storage network identity network parameter, determine that mobile phone is carried out when searching net, will search for what is obtained The matching priority that PLMN network identity is matched with the network identity in above-mentioned EPLMN lists or EHPLMN lists. Mobile phone is determined after the matching priority of above-mentioned EPLMN lists and the network identity in above-mentioned EHPLMN lists, when mobile phone is searched Rope is obtained after the PLMN of visited place, then can be higher with matching priority in above-mentioned two list by above-mentioned PLMN network identity List in network identity matched, it is determined whether included in above-mentioned list, and then can be determined whether and above-mentioned search The PLMN arrived carries out the trial of network connection.

In some feasible embodiments, the network parameter of the network identity described in the embodiment of the present invention can be wrapped Include:The newest Connection Time of the network identity stored in above-mentioned EPLMN lists and EHPLMN lists or above-mentioned network identity pair The newest connection visited place answered or the newest connection duration of above-mentioned network identity etc..That is, above-mentioned EPLMN lists and EHPLMN The network identity newest Connection Time being communicatively coupled with some PLMN stored in list, for example:Xxxx xx months xx Xx points xx seconds etc. during day xx;Or the network identity stored in above-mentioned EPLMN lists and EHPLMN lists with it is newest some Visited place when PLMN sets up communication connection residing for mobile phone, such as Shanghai;Or stored in EPLMN lists and EHPLMN lists The newest PLMN with some visited place of network identity set up total duration spent when communicating to connect etc..Above-mentioned network identity Network parameter illustrated, it is and non exhaustive, including but not limited to above-mentioned network parameter, be not limited herein.

S103, when the mobile terminal to search is to target public land mobile network PLMN, by the target PLMN's Network identity matches what is included in the list that priority is the first priority with the EPLMN lists and the EHPLMN lists Network identity is matched.

S104, when matching obtains the network identity matched with the network identity of the target PLMN, sets up the shifting Dynamic communication connection between terminal and the target PLMN.

In some feasible embodiments, when mobile phone carries out web search, mobile phone, which can be scanned, obtains base station broadcast PLMN network identity.Mobile phone is acquired by base station broadcast after the PLMN of visited place network identity, can be swept above-mentioned Retouch the PLMN got network identity with above-mentioned EHPLMN lists and EPLMN lists network identity to match priority higher The network identity included in the list of (i.e. the first priority) is matched.For example, when mobile phone according to above-mentioned EHPLMN lists and The network parameters such as the newest Connection Time of the corresponding network identity in visited place are presently in mobile phone in EPLMN lists, it is determined that on The higher list of matching priority for stating the network identity of two lists is EHPLMN lists, then when mobile phone searching is currently visitd After the target PLMN for visiting ground, then above-mentioned target PLMN can be matched with the network identity in above-mentioned EHPLMN lists.When When network identification match of the mobile phone in above-mentioned EHPLMN obtains the PLMN matched with above-mentioned target PLMN network identity, The communication connection that mobile phone can be then set up between above-mentioned target PLMN.That is, mobile phone can will search for obtained PLMN network first Identify and matched with the network identity being pre-stored in EHPLMN lists, network connection is resettled after the match is successful, without every The network identity that secondary search obtains PLMN is all communicatively coupled trial, can reduce idle work, improves the efficiency of network connection.

In embodiments of the present invention, after mobile phone reaches visited place, can start mobile phone searches net function, can also be according to advance The network identity stored in the equivalent public land mobile network EPLMN lists of setting and reciprocity home network EHPLMN lists Network parameter, determines the matching priority of the network identity in EPLMN lists and the network identity in EHPLMN lists.Work as mobile phone When searching target public land mobile network PLMN, target PLMN network identity and EPLMN lists and EHPLMN can be arranged The network identity included in the higher list of priority is matched in table to be matched.If the match is successful, mobile phone can then set up movement Communication connection between terminal and target PLMN, can reduce the duration that mobile phone connects public land mobile network, improve mobile phone User's communication experiences.

Referring to Fig. 2, Fig. 2 is the schematic flow sheet of another method for network access disclosed in the embodiment of the present invention;Such as Fig. 2 Shown, the method for network access may comprise steps of:

S201, when mobile terminal reaches target visited place from specified location, start the mobile terminal searches net function.

In implementing, what above-mentioned handset starting device searched net function implements process reference can be made in above-mentioned first embodiment Step S101 described by implementation, will not be repeated here.

Further, handset starting mobile terminal is searched before net function, and mobile phone can also be in advance in its internal storage space (i.e. mobile phone internal memory) either extends out memory mobile phone in memory space (such as SD card) or the cloud storage space of mobile phone The information of SIM card.After handset starting device searches net function, the SIM of mobile phone can be obtained first from above-mentioned designated memory space The information of card, and then the network type that SIM cards of mobile phones (abbreviation mobile phone) is supported is determined according to the information of above-mentioned SIM card, and then The network type that can be supported according to mobile phone sets up corresponding EHPLMN lists and EPLMN lists.

In some feasible embodiments, the network type described in the embodiment of the present invention may include:CDMA The CDMA1X that mobile phone takes in (Code Division Multiple Access, CDMA) network formats, 800MHZ frequency ranges;Entirely Mobile phone takes in ball GSM (Global System for Mobile Communication, GSM) network formats 900/1800/1900MHZ frequency ranges, and nearly 2 years GSM 1X bimodulus (i.e. WCDMA) take 900/1800MHZ frequency ranges; The 900/1800/1900/2100MHz frequency ranges that mobile phone takes in G mobile communication 3G network standard;And, forth generation 1920-2170MHZ frequency ranges that mobile phone takes in mobile communication technology 4G network formats etc., are not limited herein.

In some feasible embodiments, mobile phone is determined after the network type of its SIM card support, then can be according to upper The network identity that network type determines the PLMN of above-mentioned network type is stated, and then can be by the PLMN of above-mentioned network type network mark Know and be added in EHPLMN lists and EPLMN lists.I.e., in embodiments of the present invention, mobile phone can predefine what it was supported The PLMN of the network of multiple types network identity, and then the PLMN of the network of above-mentioned multiple types network identity is added to In EHPLMN lists and EPLMN lists, and above-mentioned EHPLMN lists are stored to designated memory space.Above-mentioned EHPLMN lists and EPLMN lists carry out the matching of network identity when searching net available for mobile phone, matching obtains corresponding network identity and carrying out network The trial of connection, can shorten the time for looking for net, improve network connection efficiency.

In some feasible embodiments, the network identity of the PLMN described in the embodiment of the present invention can include net Network number section, such as China Mobile include four number sections, respectively 46000,46002,46007 and 46008;CHINAUNICOM includes three Individual number section, respectively 46001,46006 and 46009 etc., it is not limited herein.Specifically, it can be supported when mobile phone determines it Network type when, then can by the PLMN of network type network identity be added to EHPLMN lists.For example, when above-mentioned The SIM of mobile phone is the Subscriber Identity Module of China Mobile, then can determine that the network that mobile phone is supported is the network for belonging to China Mobile, And then the network number section for belonging to mobile network can be added in EHPLMN lists.

S202, according to equivalent public land mobile network EPLMN lists set in advance and reciprocity home network EHPLMN The network parameter of the network identity stored in list, determines the network identity in the EPLMN lists and the EHPLMN lists In network identity matching priority.

In implementing, of the network identity in above-mentioned determination EPLMN lists and the network identity in EHPLMN lists Process is implemented reference can be made to implementation described by step S102 in above-mentioned first embodiment with priority, herein not Repeat again.

S203, when the mobile terminal to search is to target public land mobile network PLMN, by the target PLMN's Network identity matches what is included in the list that priority is the first priority with the EPLMN lists and the EHPLMN lists Network identity is matched.

S204, when matching obtains the network identity matched with the network identity of the target PLMN, sets up the shifting Dynamic communication connection between terminal and the target PLMN.

In implementing, the above-mentioned network identity by target PLMN is matched preferentially with EPLMN lists and EHPLMN lists Level is matched for the network identity that includes in the list of the first priority, and the match is successful then sets up leading to for mobile phone and target PLMN Letter connection implements process reference can be made to implementation described by step S103 and S104 in above-mentioned first embodiment, This is repeated no more.

S205, when the list match of the first priority is less than the network mark that the network identity with the target PLMN matches During knowledge, it is that the network identity of the target PLMN is matched into priority with the EPLMN lists and the EHPLMN lists The network identity included in the list of two priority is matched;

S206, matches when the network identity in the list that matching obtains second priority with the target PLMN During network identity, the communication connection set up between the mobile terminal and the target PLMN.

Further, in some feasible embodiments, when mobile phone carries out web search, mobile phone can scan acquisition base station The PLMN of broadcast network identity.Mobile phone is acquired by base station broadcast after the PLMN of visited place network identity, can be by The network identity for the PLMN that above-mentioned scanning is got with above-mentioned EHPLMN lists and EPLMN lists network identity match it is preferential The network identity included in the list of level higher (i.e. the first priority) is matched.If in the list of above-mentioned first priority With above-mentioned target PLMN is obtained, then the network that will can be included in the list of above-mentioned target PLMN network identity and the second priority Mark is matched, determine above-mentioned target PLMN network identity whether with the network that is included in the list of above-mentioned second priority Mark matches.For example, when mobile phone is corresponding according to visited place is presently in mobile phone in above-mentioned EHPLMN lists and EPLMN lists The network parameter such as newest Connection Time of network identity, determine that the matching priority of the network identity of above-mentioned two list is higher List be that EHPLMN lists, the i.e. list of the first priority are EHPLMN lists, the list of the second priority is EPLMN row Table., then can be by above-mentioned target PLMN and above-mentioned EHPLMN lists after mobile phone searching obtains the target PLMN of current visited place In network identity matched.When network identification match of the mobile phone in above-mentioned EHPLMN is obtained with above-mentioned target PLMN's During the PLMN that network identity matches, the communication connection that mobile phone can be then set up between above-mentioned target PLMN.When mobile phone is according to upper When stating the network identification match in EHPLMN less than the PLMN that the network identity with above-mentioned target PLMN matches, mobile phone then can be by Above-mentioned target PLMN is matched with the network identity in above-mentioned EPLMN lists.When network mark of the mobile phone in above-mentioned EPLMN When knowledge matching obtains the PLMN matched with above-mentioned target PLMN network identity, then it can set up between above-mentioned target PLMN Communication connection.That is, mobile phone can will search for obtained PLMN network identity and be pre-stored in EHPLMN lists or EPLMN row first Network identity in table is matched, and network connection is resettled after the match is successful, and PLMN network is obtained without search every time Mark is all communicatively coupled trial, can reduce idle work, improves the efficiency of network connection.

S207, calculates the mobile terminal and searches the target PLMN and foundation and the communication connection of the target PLMN The total duration consumed, is exported the total duration as the duration of this network insertion to user's operation of the mobile terminal Interface, is consulted for the user of the mobile terminal.

In some feasible embodiments, mobile phone is established after the communication connection with target PLMN, can also calculate hand Machine is searched and obtains above-mentioned target PLMN and establish a connection consumed total duration, and then can regard above-mentioned total duration as this The duration of network insertion is exported to the user interface of mobile phone, so that cellphone subscriber consults.Wherein, the user behaviour of above-mentioned mobile phone Make the display screen of interface concretely mobile phone, including touch screen or touch-screen etc., be not limited herein.Cellphone subscriber passes through hand Machine display screen checked after the duration of above-mentioned network insertion, then can be determined whether according to above-mentioned duration by the duration of network insertion with And the feedback of the information such as visited place is to operator's management platform of the SIM card of mobile phone.If cellphone subscriber is selected above-mentioned network insertion Duration and the feedback of the information such as visited place to operator's management platform of the SIM card of mobile phone, then pass through the SIM card of above-mentioned mobile phone Operator's management platform carries out the operation such as optimum management of time of network insertion, and the network that mobile phone is improved constantly by optimizing connects Enter efficiency, strengthen the Consumer's Experience of mobile phone.

Further, mobile phone is set up after the communication connection with target PLMN, can also be set up according to mobile phone and target PLMN At the time of communication connection, the network identity of the target PLMN described in the above-mentioned EHPLMN lists of renewal or EPLMN lists is most The new Connection Time.That is, when mobile phone sets up communication connection with target PLMN, above-mentioned target PLMN is to match to obtain from which list , then may be updated above-mentioned list described in above-mentioned target PLMN network identity Connection Time, by the mesh in above-mentioned list At the time of the newest Connection Time for marking PLMN network identity is updated to mobile phone and target PLMN foundation and is connected.In addition, mobile phone is also It can be updated according to the visited place information that communication connection is set up with target PLMN described in EHPLMN lists or EPLMN lists The newest connection visited place of target PLMN network identity.That is, when mobile phone sets up communication connection with target PLMN, above-mentioned target PLMN is matched from which list obtains, then the network identity of the above-mentioned target PLMN described in above-mentioned list may be updated Visited place is connected, the newest connection visited place of the network identity of the target PLMN in above-mentioned list is updated to mobile phone and target Visited place when PLMN sets up connection residing for mobile phone.Further, mobile phone can also set up communication connection institute according to target PLMN The total duration of consumption, updates the newest of above-mentioned EHPLMN lists or the network identity of the target PLMN described in EPLMN lists Connect duration.That is, when mobile phone sets up communication connection with target PLMN, above-mentioned target PLMN is to match to obtain from which list , then may be updated above-mentioned list described in above-mentioned target PLMN network identity connection duration, by the mesh in above-mentioned list The newest connection duration for marking PLMN network identity is updated to the duration consumed when mobile phone is set up and is connected with target PLMN.Mobile phone Believed according to corresponding in this above-mentioned EHPLMN list of information updating or EPLMN lists with target PLMN foundation communication connections After breath, then it can be updated using the EHPLMN lists and EPLMN lists after above-mentioned renewal as the list matched when searching net next time Data avoid the network parameter of the network identity included in list too old, the efficiency for searching net next time can be improved.

In embodiments of the present invention, after mobile phone reaches visited place, can start mobile phone searches net function, can also be according to advance The network parameter of the network identity stored in the EPLMN lists and EHPLMN lists of setting, determines the network mark in EPLMN lists Know the matching priority with the network identity in EHPLMN lists.When mobile phone searching to target public land mobile network PLMN When, target PLMN network identity can be included with being matched in EPLMN lists and EHPLMN lists in the higher list of priority Network identity matched.If the match is successful, the communication connection that mobile phone can be then set up between mobile terminal and target PLMN can The duration that mobile phone connects public land mobile network is reduced, user's communication experiences of mobile phone are improved.The embodiment of the present invention can also be by The duration of this network insertion feeds back to operator's management platform of SIM cards of mobile phones, manages flat by the operator of above-mentioned SIM card Platform carries out the operation such as optimum management of time of network insertion, can also update above-mentioned EHPLMN according to the data of this communication connection List and the network parameter of the network identity in EPLMN lists, hand is improved constantly by the optimization of optimization or the list of network The network insertion efficiency of machine, strengthens the Consumer's Experience of mobile phone.

Referring to Fig. 3, Fig. 3 is a kind of structural representation of mobile terminal disclosed in the embodiment of the present invention, for performing sheet Method for network access described in inventive embodiments.As shown in figure 3, the mobile terminal includes:Start unit 50, determining unit 10th, matching unit 20 and connection unit 30, wherein,

Above-mentioned start unit 50, for when mobile terminal reaches target visited place from specified location, starting the movement Terminal searches net function.

Determining unit 10, for being belonged to according to equivalent public land mobile network EPLMN lists set in advance and equity The network parameter of the network identity stored in network EHPLMN lists, determines network identity in the EPLMN lists and described The matching priority of network identity in EHPLMN lists.

Matching unit 20, for when the mobile terminal to search is to target public land mobile network PLMN, by described in Matched in the EPLMN lists and the EHPLMN lists that target PLMN network identity is determined with the determining unit preferential Level is matched for the network identity included in the list of the first priority.

Connection unit 30, for obtaining what is matched with the network identity of the target PLMN in matching unit matching During network identity, the communication connection set up between the mobile terminal and the target PLMN.

In some feasible embodiments,

Above-mentioned matching unit 20, is additionally operable to the network mark matched in matching less than the network identity with the target PLMN During knowledge, it is that the network identity of the target PLMN is matched into priority with the EPLMN lists and the EHPLMN lists The network identity included in the list of two priority is matched;

Above-mentioned connection unit 30, is additionally operable in the matching unit matches the list for obtaining second priority and institute When stating the network identity that target PLMN network identity matches, set up logical between the mobile terminal and the target PLMN Letter connection.

In some feasible embodiments, the mobile terminal (such as Fig. 4) described in the embodiment of the present invention also includes:

Acquiring unit 60, the information of the subscriber identification card for obtaining mobile terminal, and according to the user identity The information of identification card determines the all-network type that the mobile terminal is supported.

Adding device 70, the network type that the mobile terminal for being determined according to the acquiring unit is supported determines institute There is the PLMN of network type network identity, and the PLMN of all network types network identity is added to EHPLMN lists and EPLMN lists;

Wherein, the network identity includes network number section.

In some feasible embodiments, the mobile terminal (such as Fig. 4) described in the embodiment of the present invention also includes:

Output unit 40, the target PLMN and foundation and the target PLMN are searched for calculating the mobile terminal The total duration that is consumed of communication connection, exported the total duration as the duration of this network insertion to the mobile terminal User interface, for the mobile terminal user consult.

In some feasible embodiments, the mobile terminal (such as Fig. 4) described in the embodiment of the present invention also includes:

Updating block 80, the time for setting up communication connection according to the mobile terminal and the target PLMN updates institute State the renewal time of EHPLMN lists or the network identity of the target PLMN described in the EPLMN lists;Or

According to the mobile terminal and the target PLMN time for setting up communication connection update the EHPLMN lists or The corresponding visited place information of network identity of the target PLMN described in EPLMN lists described in person;

Wherein, the network parameter of the network identity stored in the EPLMN lists and the EHPLMN lists includes:Network The latest update time of mark or the corresponding PLMN of the network identity believe with the visited place that mobile terminal is set up where being connected Breath.

In some feasible embodiments, when mobile phone has been connected from the ownership place of handset identities identification card, or mobile phone When the specified locations such as the first visited place of network reach new visited place, start unit 50 can start it and search net function, to search Obtain suitable PLMN and carry out mobile phone and PLMN communication connection.In implementing, the mobile phone described in the embodiment of the present invention Identification card concretely mobile phone client identification module (Subscriber Identity Module, SIM) card.Above-mentioned use The information of family identification card may include:The operator (such as China Mobile, CHINAUNICOM or China Telecom) of SIM card, Network type or SIM card user (cellphone subscriber's identification card number i.e. bound in SIM card etc.) that SIM card is supported, do not do herein Limitation.

Further, start unit 50 starts mobile terminal and searched before net function, and acquiring unit 60 can be in advance in it Put memory space (i.e. mobile phone internal memory) and either extend out and deposited in memory space (such as SD card) or the cloud storage space of mobile phone Store up the information of the SIM card of mobile phone.After handset starting device searches net function, hand can be obtained from above-mentioned designated memory space first The information of the SIM card of machine, and then the network class that SIM cards of mobile phones (abbreviation mobile phone) is supported is determined according to the information of above-mentioned SIM card Type, and then the network type that can be supported according to mobile phone sets up corresponding EHPLMN lists and EPLMN lists.

In some feasible embodiments, the network type described in the embodiment of the present invention may include:CDMA The CDMA1X that mobile phone takes in (Code Division Multiple Access, CDMA) network formats, 800MHZ frequency ranges;Entirely Mobile phone takes in ball GSM (Global System for Mobile Communication, GSM) network formats 900/1800/1900MHZ frequency ranges, and nearly 2 years GSM 1X bimodulus (i.e. WCDMA) take 900/1800MHZ frequency ranges; The 900/1800/1900/2100MHz frequency ranges that mobile phone takes in G mobile communication 3G network standard;And, forth generation 1920-2170MHZ frequency ranges that mobile phone takes in mobile communication technology 4G network formats etc., are not limited herein.

In some feasible embodiments, acquiring unit 60 is determined after the network type of its SIM card support, addition Unit 70 can then determine the PLMN of above-mentioned network type network identity according to above-mentioned network type, and then can be by above-mentioned network class The PLMN of type network identity is added in EHPLMN lists and EPLMN lists.I.e., in embodiments of the present invention, adding device 70 can predefine the PLMN of the network for multiple types that mobile phone is supported network identity, and then by the net of above-mentioned multiple types The PLMN of network network identity is added in EHPLMN lists and EPLMN lists, and above-mentioned EHPLMN lists are stored to specified Memory space.Above-mentioned EHPLMN lists and EPLMN lists carry out the matching of network identity when searching net available for mobile phone, matching is obtained Corresponding network identity is carrying out the trial of network connection, can shorten the time for looking for net, improves network connection efficiency.

In some feasible embodiments, the network identity of the PLMN described in the embodiment of the present invention can include net Network number section, such as China Mobile include four number sections, respectively 46000,46002,46007 and 46008;CHINAUNICOM includes three Individual number section, respectively 46001,46006 and 46009 etc., it is not limited herein.Specifically, it can be supported when mobile phone determines it Network type when, then can by the PLMN of network type network identity be added to EHPLMN lists.For example, when above-mentioned The SIM of mobile phone is the Subscriber Identity Module of China Mobile, then can determine that the network that mobile phone is supported is the network for belonging to China Mobile, And then the network number section for belonging to mobile network can be added in EHPLMN lists.

In some feasible embodiments, start unit 50 starts it and searched after net function, then can enter in visited place Row PLMN search.In implementing, when mobile phone carries out PLMN search, determining unit 10 can be according to EPLMN set in advance The network parameter of the network identity stored in list and EHPLMN, when determining that mobile phone carries out searching net, will search for obtained PLMN's The matching priority that network identity is matched with the network identity in above-mentioned EPLMN lists or EHPLMN lists.It is determined that single Member 10 is determined after the matching priority of above-mentioned EPLMN lists and the network identity in above-mentioned EHPLMN lists, when mobile phone is searched Rope is obtained after the PLMN of visited place, and matching unit 20 then can match above-mentioned PLMN network identity with above-mentioned two list Network identity in the higher list of priority is matched, it is determined whether included in above-mentioned list, and then can be determined whether The trial of network connection is carried out with the above-mentioned PLMN searched.

In some feasible embodiments, the network parameter of the network identity described in the embodiment of the present invention can be wrapped Include:The newest Connection Time of the network identity stored in above-mentioned EPLMN lists and EHPLMN lists or above-mentioned network identity pair The newest connection visited place answered or the newest connection duration of above-mentioned network identity etc..That is, above-mentioned EPLMN lists and EHPLMN The network identity newest Connection Time being communicatively coupled with some PLMN stored in list, for example:Xxxx xx months xx Xx points xx seconds etc. during day xx;Or the network identity stored in above-mentioned EPLMN lists and EHPLMN lists with it is newest some Visited place when PLMN sets up communication connection residing for mobile phone, such as Shanghai;Or stored in EPLMN lists and EHPLMN lists The newest PLMN with some visited place of network identity set up total duration spent when communicating to connect etc..Above-mentioned network identity Network parameter illustrated, it is and non exhaustive, including but not limited to above-mentioned network parameter, be not limited herein.

In some feasible embodiments, when mobile phone carries out web search, it is wide that matching unit 20 can scan acquisition base station The PLMN broadcast network identity.Matching unit 20 is acquired by base station broadcast after the PLMN of visited place network identity, The network identity for the PLMN that above-mentioned scanning can be got is matched with network identity in above-mentioned EHPLMN lists and EPLMN lists The network identity included in the list of priority higher (i.e. the first priority) is matched.For example, when the basis of determining unit 10 Newest Connection Time of the corresponding network identity in visited place etc. is presently in mobile phone in above-mentioned EHPLMN lists and EPLMN lists Network parameter, it is EHPLMN lists to determine the higher list of the matching priority of the network identity of above-mentioned two list, and matching is single Member 20 then can be after search obtains the target PLMN of current visited place, by above-mentioned target PLMN and above-mentioned EHPLMN lists Network identity is matched.When network identification match of the matching unit 20 in above-mentioned EHPLMN is obtained and above-mentioned target PLMN Network identity match PLMN when, the communication connection that connection unit 30 can be then set up between above-mentioned target PLMN.I.e., Can be first by the network identity progress searched for obtained PLMN network identity and be pre-stored in EHPLMN lists with unit 20 Match somebody with somebody, network connection is set up by connection unit 30 again after the match is successful, PLMN network identity is obtained all without search every time Trial is communicatively coupled, idle work can be reduced, the efficiency of network connection is improved.

Further, in some feasible embodiments, when matching unit 20 carries out web search, acquisition base can be scanned Stand broadcast PLMN network identity.Matching unit 20 acquired by base station broadcast the PLMN of visited place network identity it Afterwards, the network identity for the PLMN that above-mentioned scanning can be got and network identity in above-mentioned EHPLMN lists and EPLMN lists The network identity included in the list of matching priority higher (i.e. the first priority) is matched.If above-mentioned first priority Matching obtains above-mentioned target PLMN in list, and matching unit 20 then can be by above-mentioned target PLMN network identity and the second priority List in the network identity that includes matched, determine above-mentioned target PLMN network identity whether with above-mentioned second priority List in the network identity that includes match.For example, when mobile phone according in above-mentioned EHPLMN lists and EPLMN lists with mobile phone The network parameters such as the newest Connection Time of the corresponding network identity in visited place are presently in, the network mark of above-mentioned two list is determined The list that the matching priority of knowledge is higher is that EHPLMN lists, the i.e. list of the first priority are EHPLMN lists, and second is preferential The list of level is EPLMN lists., then can be by above-mentioned mesh after the search of matching unit 20 obtains the target PLMN of current visited place Mark PLMN is matched with the network identity in above-mentioned EHPLMN lists.When network of the matching unit 20 in above-mentioned EHPLMN When mark matching obtains the PLMN matched with above-mentioned target PLMN network identity, connection unit 30 can then be set up and above-mentioned mesh Mark the communication connection between PLMN.When network identification match of the matching unit 20 in above-mentioned EHPLMN less than with above-mentioned target During the PLMN that PLMN network identity matches, matching unit 20 then can be by above-mentioned target PLMN and above-mentioned EPLMN lists Network identity is matched.When network identification match of the matching unit 20 in above-mentioned EPLMN is obtained and above-mentioned target PLMN Network identity match PLMN when, then the communication connection that can be set up by connection unit 30 between above-mentioned target PLMN. That is, the net that mobile phone can will search for obtained PLMN network identity and be pre-stored in EHPLMN lists or EPLMN lists first Network mark is matched, and network connection is resettled after the match is successful, and the network identity for obtaining PLMN without search every time all enters Row communication connection is attempted, and can reduce idle work, improves the efficiency of network connection.

In some feasible embodiments, connection unit 30 is established after the communication connection with target PLMN, output Unit 40, which can calculate mobile phone, to be searched and obtains above-mentioned target PLMN and establish a connection consumed total duration, and then can will be above-mentioned Total duration is exported to the user interface of mobile phone as the duration of this network insertion, so that cellphone subscriber consults.Wherein, on The display screen of the user interface of mobile phone concretely mobile phone, including touch screen or touch-screen etc. are stated, is not limited herein. Cellphone subscriber is checked by mobile phone display screen after the duration of above-mentioned network insertion, then can be determined whether according to above-mentioned duration by net The duration and the feedback of the information such as visited place of network access to the SIM card of mobile phone operator's management platform.If cellphone subscriber selects The information such as the duration of above-mentioned network insertion and visited place are fed back to operator's management of the SIM card of mobile phone by output unit 40 Platform, then carry out the operations such as the optimum management of time of network insertion by operator's management platform of the SIM card of above-mentioned mobile phone, The network insertion efficiency of mobile phone is improved constantly by optimizing, strengthens the Consumer's Experience of mobile phone.

Further, connection unit 30 is set up after the communication connection with target PLMN, and updating block 80 can also be according to hand At the time of machine sets up communication connection with target PLMN, the target described in the above-mentioned EHPLMN lists of renewal or EPLMN lists The newest Connection Time of PLMN network identity.That is, mobile phone and target PLMN are set up when communicating to connect, above-mentioned target PLMN be from Matching is obtained in which list, and the network identity of the above-mentioned target PLMN described in above-mentioned list then may be updated in updating block 80 Connection Time, the newest Connection Time of the network identity of the target PLMN in above-mentioned list is updated to mobile phone and target PLMN At the time of setting up connection.In addition, updating block 80 can also update according to the visited place information that communication connection is set up with target PLMN The newest connection visited place of the network identity of target PLMN described in EHPLMN lists or EPLMN lists.That is, mobile phone and mesh When marking PLMN foundation communication connections, above-mentioned target PLMN is matched from which list to be obtained, and updating block 80 then may be updated The connection visited place of the network identity of above-mentioned target PLMN described in above-mentioned list, by the net of the target PLMN in above-mentioned list The newest connection visited place of network mark is updated to mobile phone and visited place when being connected residing for mobile phone is set up with target PLMN.Further , updating block 80 can also set up the consumed total duration of communication connection according to target PLMN, update above-mentioned EHPLMN lists Or the newest connection duration of the network identity of the target PLMN described in EPLMN lists.That is, mobile phone sets up logical with target PLMN During letter connection, above-mentioned target PLMN is matched from which list to be obtained, and updating block 80 then may be updated remembering in above-mentioned list The connection duration of the above-mentioned target PLMN carried network identity, by the newest company of the network identity of the target PLMN in above-mentioned list Connect the duration that duration is updated to be consumed when mobile phone is set up and is connected with target PLMN.Updating block 80 is according to this and target PLMN Set up in the above-mentioned EHPLMN lists of information updating or EPLMN lists of communication connection after corresponding information, then can will be above-mentioned EHPLMN lists and EPLMN lists after renewal is as the list matched when searching net next time, and updating the data to avoid in list Comprising network identity network parameter it is too old, the efficiency for searching net next time can be improved.

In embodiments of the present invention, after mobile phone reaches visited place, can start mobile phone searches net function, can also be according to advance The network identity stored in the equivalent public land mobile network EPLMN lists of setting and reciprocity home network EHPLMN lists Network parameter, determines the matching priority of the network identity in EPLMN lists and the network identity in EHPLMN lists.Work as mobile phone When searching target public land mobile network PLMN, target PLMN network identity and EPLMN lists and EHPLMN can be arranged The network identity included in the higher list of priority is matched in table to be matched.If the match is successful, mobile phone can then set up movement Communication connection between terminal and target PLMN, can reduce the duration that mobile phone connects public land mobile network, improve mobile phone User's communication experiences.The embodiment of the present invention can also feed back to the duration of this network insertion operator's management of SIM cards of mobile phones Platform, the operations such as the optimum management of time of network insertion are carried out by operator's management platform of above-mentioned SIM card, can also basis The data of this communication connection update the network parameter of above-mentioned EHPLMN lists and the network identity in EPLMN lists, pass through net The optimization of optimization or the list of network improves constantly the network insertion efficiency of mobile phone, strengthens the Consumer's Experience of mobile phone.

Module or submodule in all embodiments of the invention, can pass through universal integrated circuit, such as CPU (Central Processing Unit, central processing unit), or pass through ASIC (Application Specific Integrated Circuit, application specific integrated circuit) realize.

Step in present invention method can according to actual needs the adjustment of carry out order, merge and delete.

Unit in embodiment of the present invention terminal can be combined, divided and deleted according to actual needs.

One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access Memory, abbreviation RAM) etc..

Above disclosure is only preferred embodiment of present invention, can not limit the right model of the present invention with this certainly Enclose, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.

Claims (10)

1. a kind of method for network access, it is characterised in that including:
When mobile terminal reaches target visited place from specified location, start the mobile terminal searches net function;
Stored according in equivalent public land mobile network EPLMN lists set in advance and reciprocity home network EHPLMN lists Network identity network parameter, determine the network mark in the network identity and the EHPLMN lists in the EPLMN lists The matching priority of knowledge, the network parameter of the network identity include it is following any one:The EPLMN lists and EHPLMN row The newest Connection Time of the network identity stored in table, the corresponding newest connection visited place of the network identity and the network The newest connection duration of mark;
When the mobile terminal to search is to target public land mobile network PLMN, by the network identity of the target PLMN with Priority is matched in the EPLMN lists and the EHPLMN lists for the network identity included in the list of the first priority to enter Row matching;
When matching obtains the network identity matched with the network identity of the target PLMN, the mobile terminal and institute are set up State the communication connection between target PLMN.
2. according to the method described in claim 1, it is characterised in that the network identity by the target PLMN with it is described The network identity progress for matching priority in EPLMN lists and the EHPLMN lists to include in the list of the first priority With after, methods described also includes:
When matching is less than the network identity that the network identity with the target PLMN matches, by the network of the target PLMN Mark matches the network included in the list that priority is the second priority with the EPLMN lists and the EHPLMN lists Mark is matched;
The network identity matched when the network identity in the list that matching obtains second priority with the target PLMN When, the communication connection set up between the mobile terminal and the target PLMN.
3. method according to claim 1 or 2, it is characterised in that the mobile terminal of working as reaches target from specified location During visited place, start searching before net function for the mobile terminal, methods described also includes:
The information of the subscriber identification card of mobile terminal is obtained, and according to being determined the information of the subscriber identification card The all-network type that mobile terminal is supported;
The network type supported according to the mobile terminal determines the PLMN of all network types network identity, and by institute The network identity for having the PLMN of the network type is added to EHPLMN lists and EPLMN lists;
Wherein, the network identity includes network number section.
4. method according to claim 3, it is characterised in that it is described set up the mobile terminal and the target PLMN it Between communication connection after, methods described also includes:
Calculate the mobile terminal and search what the target PLMN and foundation were consumed with the communication connection of the target PLMN Total duration, is exported the total duration as the duration of this network insertion to the user interface of the mobile terminal, with Consulted for the user of the mobile terminal.
5. method according to claim 4, it is characterised in that it is described set up the mobile terminal and the target PLMN it Between communication connection after, methods described also includes:
At the time of setting up communication connection according to the mobile terminal and the target PLMN, the EHPLMN lists or institute are updated State the newest Connection Time of the network identity of the target PLMN described in EPLMN lists;Or
The visited place information of communication connection is set up according to the mobile terminal and the target PLMN, the EHPLMN lists are updated Or the newest connection visited place of the network identity of the target PLMN described in the EPLMN lists;Or
The total duration of communication connection is set up according to the mobile terminal and the target PLMN, the EHPLMN lists are updated Or the newest connection duration of the network identity of the target PLMN described in the EPLMN lists.
6. a kind of mobile terminal, it is characterised in that including:
Start unit, for when mobile terminal reaches target visited place from specified location, start the mobile terminal to search net Function;
Determining unit, for according to equivalent public land mobile network EPLMN lists set in advance and reciprocity home network The network parameter of the network identity stored in EHPLMN lists, determines network identity in the EPLMN lists and described The matching priority of network identity in EHPLMN lists, the network parameter of the network identity include it is following any one:Institute Newest Connection Time, the network identity for stating the network identity stored in EPLMN lists and EHPLMN lists are corresponding newest Connect the newest connection duration of visited place and the network identity;
Matching unit, for when the mobile terminal to search is to target public land mobile network PLMN, by the target Matching priority in the EPLMN lists and the EHPLMN lists that PLMN network identity is determined with the determining unit is The network identity included in the list of first priority is matched;
Connection unit, for matching the network mark for obtaining matching with the network identity of the target PLMN in the matching unit During knowledge, the communication connection set up between the mobile terminal and the target PLMN.
7. mobile terminal according to claim 6, it is characterised in that
The matching unit, is additionally operable to when matching is less than the network identity that the network identity with the target PLMN matches, The network identity of the target PLMN is matched into priority with the EPLMN lists and the EHPLMN lists preferential for second The network identity included in the list of level is matched;
The connection unit, is additionally operable in the matching unit matches the list for obtaining second priority and the target During the network identity that PLMN network identity matches, the communication link set up between the mobile terminal and the target PLMN Connect.
8. the mobile terminal according to claim 6 or 7, it is characterised in that the mobile terminal also includes:
Acquiring unit, the information of the subscriber identification card for obtaining mobile terminal, and according to the subscriber identification card Information determine the all-network type that the mobile terminal is supported;
Adding device, the network type for being supported according to the mobile terminal of the determination determines all network types PLMN network identity, and by the PLMN of all network types network identity be added to EHPLMN lists and EPLMN List;
Wherein, the network identity includes network number section.
9. mobile terminal according to claim 8, it is characterised in that the mobile terminal also includes:
Output unit, the target PLMN and foundation and the communication of the target PLMN are searched for calculating the mobile terminal The consumed total duration of connection, is exported the total duration as the duration of this network insertion to the user of the mobile terminal Operation interface, is consulted for the user of the mobile terminal.
10. mobile terminal according to claim 9, it is characterised in that the mobile terminal also includes:
Updating block, at the time of communication connection for being set up according to the mobile terminal and the target PLMN described in renewal The newest Connection Time of the network identity of the target PLMN described in EHPLMN lists or the EPLMN lists;Or
The EHPLMN lists according to the mobile terminal and the target PLMN set up the visited place information updating of communication connection Or the corresponding newest connection visited place of network identity of the target PLMN described in the EPLMN lists.
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