CN106550429A - A kind of method for searching network and terminal - Google Patents
A kind of method for searching network and terminal Download PDFInfo
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- CN106550429A CN106550429A CN201510590274.5A CN201510590274A CN106550429A CN 106550429 A CN106550429 A CN 106550429A CN 201510590274 A CN201510590274 A CN 201510590274A CN 106550429 A CN106550429 A CN 106550429A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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Abstract
The embodiment of the present invention provides a kind of method for searching network and terminal, it is related to network communication technology field, can solve the problem that in prior art as the SIM of terminal insertion changes, so that terminal preserves the network information into MRU when successfully searching net according to the last time carries out invalid network search, so as to the problem for causing successfully to search net time length.Concrete scheme is:The PLMN PLMN marks that terminal is carried in obtaining client identification module SIM;If it is determined that the mapping relations of the first network information in preserving PLMN marks and nearest use information MRU, then searching net information according to first carries out searching net, and first searches net information for the first network information in mapping relations.The embodiment of the present invention is used to search for network.
Description
Technical field
The present embodiments relate to network communication technology field, more particularly to a kind of method for searching network and end
End.
Background technology
The terminal units such as mobile phone, wireless Internet card generally pass through client identification module (Subscriber
Identity Module, SIM) card is connected to wireless wide area network and communicated.
Terminal is successfully searched according to the last time first when starting shooting or re-starting web search after suspension
The network information preserved during net into nearest use information (Most Recently Used, MRU) is led to
Crossing SIM carries out web search.The network information in MRU generally can include it is a plurality of, last time into
Work(is searched the network information preserved during net and is usually located at first.The network information in MRU can include
Access module such as global system for mobile communications (Global System for Mobile
Communication, GSM), CDMA (Code Division Multiple Access, CDMA)
Deng and available network frequency such as 900,1800 etc., believed according to the network in MRU in order to terminal
Breath can go out pilot tone, synchronization and paging channel with unsuccessful demodulation, so as to successfully searching net and being registered to network.
Terminal after net failure is searched according to the network information preserved when once successfully searching net in MRU, then root
Net information is searched according to other in other network informations or SIM in MRU carries out searching net, for example
Optimum roaming list (Preferred Roaming List, PRL) in SIM.
When the SIM for inserting terminal changes, the network that is successfully connected of last time may with it is current
The SIM of insertion is mismatched so that terminal is preserved into MRU when successfully searching net according to the last time
It is invalid network that the network information carries out searching search for during net, so as to cause to search net failure, extends and searches net
Time.For example, when terminal last insertion be UNICOM card, the network being successfully searched be GSM moulds
Formula, and network frequency is 900, when when terminal, this SIM for inserting is telecommunications card, according to MRU
In network information search be the non-serviceable GSM access modules of telecommunications card network, i.e. telecommunications
Card search is invalid network, so as to cause to search net failure, needs further to search net letter by other
Breath carries out searching net, so as to extend the time for searching net.
The content of the invention
The embodiment of the present invention provides a kind of method for searching network and terminal, can solve the problem that in prior art due to end
The SIM of end insertion changes so that terminal is preserved to MRU when successfully searching net according to the last time
In the network information carry out invalid network search, so as to the problem for causing successfully to search net time length.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that:
A kind of first aspect, there is provided method for searching network, including:
The PLMN PLMN marks carried in obtaining client identification module SIM;
If it is determined that preserve the PLMN marks believing with the first network in nearest use information MRU
The mapping relations of breath, then searching net information according to first carries out searching net, and described first searches net information for described
The first network information in mapping relations.
With reference in a first aspect, in the first possible implementation of first aspect, methods described
Also include:
If searching net failure according to the first network information, searching net information according to second carries out searching net,
Described second searches net information includes that the terminal last time is preserved into the MRU when successfully searching net
The network information.
With reference to the first possible implementation of first aspect, second in first aspect may
Implementation in, the network information preserved in the MRU includes access module, and methods described is also
Including:
When searching net information according to described second and successfully searching net, by the PLMN marks for preserving and institute
The mapping relations for stating the first network information in MRU are updated to the PLMN marks and successful search
The corresponding MRU of network in second network information mapping relations;
Or, preserve the high access of priority in the first network information and second network information
The mapping relations that the corresponding network information of pattern is identified with the PLMN.
With reference in a first aspect, in the third possible implementation of first aspect, methods described
Also include:
If it is determined that first network information in not preserving PLMN mark and the MRU is reflected
Relation is penetrated, then net information is searched according to second carries out searching net, and described second searches net information includes the terminal
The network information that last time is successfully searched in the MRU preserved during net;
When net information being searched according to described second and successfully searching net, preserve the PLMN marks and successfully search
The mapping relations of second network information in the corresponding MRU of network of rope.
With reference to any one in the third possible implementation of first aspect to first aspect,
In 4th kind of possible implementation of first aspect, the network information in the MRU includes network
Frequency.
A kind of second aspect, there is provided terminal, including:
Acquiring unit, for obtaining the PLMN carried in client identification module SIM
PLMN is identified;
Processing unit, for if it is determined that preserving the PLMN marks and nearest use information MRU
In first network information mapping relations, then searching net information according to first carries out searching net, described first
It is the first network information in the mapping relations to search net information.
With reference to second aspect, in the first possible implementation of second aspect, the process
Unit is additionally operable to:
If searching net failure according to the first network information, searching net information according to second carries out searching net,
Described second searches net information includes that the terminal last time is preserved into the MRU when successfully searching net
The network information.
With reference to the first possible implementation of second aspect, second in second aspect may
Implementation in, the network information preserved in the MRU includes access module, the process list
Unit is additionally operable to:
When searching net information according to described second and successfully searching net, by the PLMN marks for preserving and institute
The mapping relations for stating the first network information in MRU are updated to the PLMN marks and successful search
The corresponding MRU of network in second network information mapping relations;
Or, preserve the high access of priority in the first network information and second network information
The mapping relations that the corresponding network information of pattern is identified with the PLMN.
With reference to second aspect, in the third possible implementation of second aspect, the process
Unit is additionally operable to:
If it is determined that first network information in not preserving PLMN mark and the MRU is reflected
Relation is penetrated, then net information is searched according to second carries out searching net, and described second searches net information includes the terminal
The network information that last time is successfully searched in the MRU preserved during net;
When net information being searched according to described second and successfully searching net, preserve the PLMN marks and successfully search
The mapping relations of second network information in the corresponding MRU of network of rope.
With reference to any one in the third possible implementation of second aspect to second aspect,
In the 4th kind of possible implementation of second aspect, the network information in the MRU includes net
Network frequency.
The embodiment of the present invention provides a kind of method for searching network and terminal, and terminal is it is determined that preserve the SIM
During the mapping relations of the first network information in the PLMN marks of middle carrying and MRU, reflected according to this
The first network information penetrated in relation carries out searching net.As the first network information in the mapping relations is
The network information being stored in MRU when successfully searching net by the SIM before terminal, thus first
The corresponding network of the network information is active block for SIM, can be with according to first network information
Net is searched successfully such that it is able to solved in prior art as the SIM of terminal insertion changes, made
Terminal when successfully searching net according to the last time network information that preserves into MRU carry out invalid network and search
Rope, so as to the problem for causing successfully to search net time length.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to embodiment or existing
Accompanying drawing to be used needed for technology description is briefly described, it should be apparent that, in describing below
Accompanying drawing is only some embodiments of the present invention, for those of ordinary skill in the art, is not being paid
On the premise of going out creative work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is a kind of method flow schematic diagram provided in an embodiment of the present invention;
Fig. 2 is another kind of method flow schematic diagram provided in an embodiment of the present invention;
Fig. 3 is another method flow schematic diagram provided in an embodiment of the present invention;
Fig. 4 is a kind of terminal structure schematic diagram provided in an embodiment of the present invention.
Specific 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 entered
Row is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention,
Rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
There is the every other embodiment obtained under the premise of making creative work, belong to present invention protection
Scope.
Public land mobile network (Public Land Mobile Network, PLMN) is by government
Or its operator for being ratified, set up for the public provides land mobile business purpose and manage
Network, PLMN can pass through Mobile Country Code MCC (Mobile Country Code, MCC)-mobile network
Network number (Mobile Network Code, MNC) is identified.For example, 460-00,460-02
For the PLMN of China Mobile, PLMNs of the 460-01 for CHINAUNICOM, 460-03 are China Telecom
PLMN etc..
The embodiment of the present invention provides a kind of method for searching network, referring to Fig. 1, can include:
101st, the PLMN PLMN that terminal is carried in obtaining client identification module SIM
Mark.
Equipment of the terminal therein for SIM used in public land mobile network, such as mobile phone, nothing
Line card of surfing Internet etc..Carry PLMN marks in SIM, PLMN marks can including MCC and
MNC。
102nd, identify and the first network in nearest use information MRU if it is determined that preserving PLMN
The mapping relations of information, then terminal search net information according to first and carry out searching net, first searches net information to reflect
The first network information penetrated in relation.
Whether terminal is re-started when searching net after start or suspension, it may be determined that preserve in terminal and work as
The mapping relations of the network information in the PLMN marks carried in the SIM of front insertion and MRU,
If preserving the mapping relations of current PLMN marks and the first network information in MRU, terminal
Net information is searched according to the first network information in mapping relations i.e. first first carries out searching net.In MRU
The network information be terminal before the network information that preserves when net is successfully searched;PLMN is identified and MRU
In first network information mapping relations be terminal before by carrying the SIM of PLMN mark
Block and successfully search the mapping relations preserved during net;First network information should by carrying before being terminal
The network information that the SIM of PLMN marks is preserved into MRU when being successfully searched network;MRU
In the network information can include access module and network frequency.
Exemplary, if terminal last insertion is the UNICOM's card for carrying 460-01, it is successfully searched
Be GSM mode and network frequency be 900 network, then be to carry when terminal this insertion
During the telecommunications card of 460-03, if terminal preserves mapping relations as shown in table 1, terminal can be with root
Carry out searching net according to the CDMA patterns in the corresponding mapping relations of 460-03 and 1900 network frequencies.
Table 1
Lead to before being terminal due to the mapping relations of PLMN marks and the first network information in MRU
Cross and carry the SIM of PLMN mark and successfully search the mapping relations preserved during net, thus the first net
The corresponding network of network information is active block for the SIM of the PLMN marks is carried,
Terminal can successfully search net according to first network information by carrying the SIM of the PLMN marks.
And in the prior art, the network information GSM mode that terminal is preserved when successfully searching net according to the last time
And network frequency 900 is when carrying out searching net, search be the non-serviceable GSM mode of telecommunications card nothing
Effect network.In addition, when an invalid network is searched, if the network does not refuse the note of the terminal
Volume, then terminal will not search net again, but as the network is invalid network for current SIM card,
Thus current SIM card will be constantly in limited service state, so as to cause the terminal will always can not be into
Work(searches net;When an invalid network is searched, if the network refuses the registration of the terminal, this time
Net failure is searched, terminal needs to re-start to search net.
Therefore, with prior art in due to terminal insertion SIM change so that terminal according to
The network information that last time is preserved into MRU when successfully searching net carries out invalid network and searches for so as to cause
Search net unsuccessfully to compare, method provided in an embodiment of the present invention can shorten the time for successfully searching net, improve
Search net spee.
Additionally, referring to Fig. 2, after above-mentioned steps 102, the present invention implements the method for searching network for providing
Can also include:
If the 103, searching net failure according to first network information, terminal is searched net information according to second and is carried out
Search net, second searches the network letter that net information includes that the terminal last time preserved into MRU when successfully searching net
Breath.
As the corresponding network of first network information in mapping relations is for carrying PLMN marks
It is active block for SIM, thus terminal usually can successfully searches net according to first network information,
Only when there are some special circumstances, it is only possible to cause terminal to search net mistake according to first network information
Lose.For example, network configuration changes, or terminal enters roaming place region by home service area
Deng, but these special circumstances are all occurrent minority situations, do not affect terminal integrally to search net spee
Raising.
If terminal is searched net information according to first and searches net failure, net information can be searched according to other and be searched
Net.Specifically, after net failure is searched according to first network information, terminal can search net letter according to second
Breath carries out searching net, second search that net information can include beyond first network information it is any search net information,
The network information for example preserved into MRU when the terminal last time successfully searches net.Second searches net information also
Can include in other network informations such as terminal in MRU last time preserve when successfully searching net to
The network information in MRU, and search net information such as PRL etc. in SIM.Wherein, MRU
In typically one network information list preserved according to time order and function order of the network information, protect recently
The network information deposited makes number one.When searching net information according to second and carrying out searching net, with prior art
Unanimously, terminal preferentially can be carried out according to the network information arranged in the network information list in MRU
Net is searched, then second net information such as PRL is searched and is carried out searching net further according to other.
When net information being searched according to second and carry out searching net, can search net information with foundation in prior art
Sequence consensus, i.e., first according to terminal last time successfully search net when preserve into MRU network letter
Breath carries out searching net, and the network information preserved when terminal once successfully searches net according on into MRU is searched
After net failure, can search net information according to the second other searched in net information carries out searching net.With mobile phone it is
Example, after mobile phone searches net failure according to first network information, can search terminal in net information according to second
The network information that last time is preserved into MRU when successfully searching net carries out searching net;In basis once into
After the network information that work(is preserved when searching net into MRU searches net failure, can be according in SIM
PRL carries out searching net;If searching net failure according to PRL, can be with according to mobile phone setting Phone Setting
Carry out searching net.
Wherein, terminal is according to the first network information in MRU or searches net information according to second and is searched
During net, according to searching net information creating frequency point scanning list, and network letter can be preserved after net is successfully searched
Cease to MRU, its detailed process is consistent with prior art, repeats no more here.
104th, the network information preserved in MRU includes access module, according to second search net information into
When work(searches net, by the mapping relations of the first network information in the PLMN marks and MRU that preserve more
The mapping of new second network information in PLMN MRU corresponding with the network of successful search is closed
System;Or, preserve first network information corresponding with the high access module of priority in second network information
The network information and PLMN mark mapping relations.
Terminal is once successfully searched in net information such as terminal in arbitrary the searching searched in net information according to second
When the network information into MRU, PRL, or Phone Setting etc. preserved during net successfully searching net,
The mapping relations of the network information in the PLMN marks carried in can preserving SIM and MRU,
In order to terminal next time after start or suspension by carrying the SIM weight that current PLMN is identified
When newly searching net, directly can carry out searching net according to the network information in mapping relations.
Alternatively, terminal specifically can preserve what is carried in SIM using following two schemes
PLMN identifies the mapping relations with the network information in MRU:
Scheme one:The PLMN marks of preservation and the mapping relations of first network information are updated to by terminal
PLMN identifies the mapping of second network information in MRU corresponding with the network of successful search and closes
System.
As the reasons such as network configuration cause terminal to search net according to the first network information in mapping relations
Failure, and when searching net information according to second and successfully searching net, original mapping relations that terminal can be preserved
It is updated to current PLMN and identifies second network information in MRU corresponding with the network of successful search
Mapping relations.
The network information in MRU can include access module and network frequency.Exemplary, if working as
The telecommunications card of front insertion is searched net information according to second and is successfully searched after net in corresponding second network information
Access module is LTE, and network frequency is 1800, then the mapping table after updating in terminal can be as
Shown in table 2.
Table 2
Scheme two:Terminal preserves the high access mould of priority in first network information and second network information
The mapping relations of the corresponding network information of formula and PLMN.
In MRU, the access module of the network information can include that GSM, CDMA and wideband code division are more
Location (Wideband Code Division Multiple Access, WCDMA), Long Term Evolution (Long
Term Evolution, LTE) etc. it is various, different access modules can correspond to different networks and service.
For example, CDMA patterns can correspond to 2G networks and the service of telecommunications, and LTE patterns can be corresponded to
The 4G networks of telecommunications and service.Carrying the SIM of same PLMN mark 460-03 both can be into
Work(accesses the network of CDMA patterns, it is also possible to is successfully accessed the network of LTE patterns, i.e. terminal and protects
In the PLMN mark 460-03 for depositing and the mapping relations of the network information, the access mould in the network information
It can also be LTE patterns that formula can both be CDMA patterns, i.e., same PLMN identifies 460-03
CDMA access modules can be corresponded to, it is also possible to correspondence LTE access modules.
In this regard, terminal can preset the priority orders of an access module, as same PLMN
During the access module of mark correspondence different priorities, can preserve including the high access module of priority
The mapping relations that the network information is identified with PLMN, so as to the high access module pair of priority access priority
The network answered.
Exemplary, if arranging the priority of the priority higher than CDMA of LTE patterns, work as terminal
PLMN marks have been preserved with the first network letter for including CDMA access modules shown in table 1
During the mapping relations of breath, if terminal currently successfully searches net and correspondence includes that the second of LTE patterns searches net letter
Breath, then terminal can preserve PLMN and identify corresponding second net of higher with priority LTE patterns
The mapping relations of network information.The network information in MRU can also include available network frequency, first
Access module in the network information can be CDMA, and network frequency can be for shown in table 1
1900, the access module in second network information is LTE, and network frequency can be 1800.Now,
The mapping table preserved in terminal may refer to table 2.
Exemplary, if arranging the priority of the priority higher than LTE of CDMA patterns, work as terminal
PLMN marks have been preserved with the first network letter for including CDMA access modules shown in table 1
During the mapping relations of breath, if terminal currently successfully searches net and correspondence includes that the second of LTE patterns searches net letter
Cease, then terminal can preserve PLMN and identify the CDMA pattern corresponding second higher with priority
The mapping relations of the network information.Now, the mapping table for preserving in terminal may refer to table 1.
Additionally, after step 101, referring to Fig. 3, method provided in an embodiment of the present invention can be with
Including:
105th, if it is determined that not preserving the mapping of PLMN marks and the first network information in MRU
Relation, then terminal search net information according to second and carry out searching net, second searches net information includes that terminal is last
The network information successfully searched in the MRU preserved during net.
If terminal does not preserve the mapping relations of PLMN marks and the first network information in MRU,
Then terminal may insert the SIM for carrying the PLMN marks first, or not lead to before terminal
Cross and carry the SIM of PLMN mark and searched for network, thus terminal is needed according to the second network
Information search network.Wherein, the second specific descriptions for searching net information may refer to above-mentioned steps 103,
Here repeat no more.
106th, when searching net information according to second and successfully searching net, terminal preserves PLMN marks and success
The mapping relations of second network information in the corresponding MRU of network of search.
Terminal according to second search in net information it is arbitrary search net information (for example terminal last time successfully searches
The network information into MRU, PRL or Phone Setting etc. are preserved during net) when successfully searching net,
The mapping relations that PLMN identifies second network information corresponding with the network of successful search can be preserved,
SIM in order to terminal next time in start or after suspension by the current PLMN marks of carrying
When searching net again, can carry out searching net according to the network information in the mapping relations first.
Wherein, the network information in MRU can include access module such as GSM, CDMA etc.,
Available network frequency such as 900,1800 etc. can also be included.
The embodiment of the present invention provides a kind of method for searching network, and terminal is it is determined that carry in preserving the SIM
PLMN mark with MRU in first network information mapping relations when, according to the mapping relations
In first network information carry out searching net.Due to the first network information in the mapping relations be terminal it
The front network information being stored in MRU when successfully searching net by the SIM, thus first network letter
It is active block for SIM to cease corresponding network, successfully can be searched according to first network information
Net such that it is able to solve in prior art as the SIM of terminal insertion changes so that terminal
The network information into MRU is preserved when successfully searching net according to the last time carries out invalid network search, from
And cause the problem for successfully searching net time length.
Another embodiment of the present invention provides a kind of terminal 200, and referring to Fig. 4, the terminal 200 can be wrapped
Include:
Acquiring unit 201, the public land carried in can be used for obtaining client identification module SIM
Mobile network PLMN is identified;
Processing unit 202, can be used for if it is determined that preserving PLMN marks and nearest use information
The mapping relations of the first network information in MRU, then searching net information according to first carries out searching net, the
One searches net information for the first network information in mapping relations.
Due to PLMN mark with MRU in first network information mapping relations be terminal 200 it
The mapping relations that the front SIM identified by carrying the PLMN is preserved when successfully searching net, thus the
The corresponding network of one network information is effective net for the SIM of the PLMN marks is carried
Network, terminal 200 can be with according to first network information by carrying the SIM of PLMN mark
Net is searched successfully.Therefore, with prior art in due to terminal 200 insertion SIM change, make
Terminal 200 preserves the network information into MRU and carries out invalid net when successfully searching net according to the last time
Network search is unsuccessfully compared so as to cause to search net, and method provided in an embodiment of the present invention can shorten successfully searches
The time of net, raising search net spee.
Alternatively, processing unit 202 can be also used for, if searching net failure according to first network information,
Then searching net information according to second carries out searching net, and second searches net information includes that 200 last time of terminal successfully searches
The network information into MRU is preserved during net.
Alternatively, the network information for preserving in MRU can include access module, processing unit 202
Can be also used for:
When searching net information according to second and successfully searching net, by the PLMN marks for preserving and MRU
It is corresponding with the network of successful search that the mapping relations of first network information are updated to PLMN marks
The mapping relations of second network information in MRU;
Or, preserve first network information corresponding with the high access module of priority in second network information
The network information and PLMN mark mapping relations.
Alternatively, processing unit 202 can be also used for:
If it is determined that the mapping relations of PLMN marks and the first network information in MRU are not preserved,
Then searching net information according to second carries out searching net, and second searches net information includes that 200 last time of terminal successfully searches
The network information in the MRU preserved during net;
When net information being searched according to second and successfully searching net, preserve the network of PLMN marks and successful search
The mapping relations of second network information in corresponding MRU.
Alternatively, the network information in MRU can also include network frequency.
The embodiment of the present invention provides a kind of terminal 200, carries in it is determined that preserving the SIM
When PLMN identifies the mapping relations with the first network information in MRU, according in the mapping relations
First network information carry out searching net.As the first network information in the mapping relations is terminal 200
The network information being stored in MRU when successfully searching net by the SIM before, thus first network
The corresponding network of information is active block for SIM, can be successful according to first network information
Search net such that it is able to solve in prior art as the SIM of the insertion of terminal 200 changes, make
Terminal 200 preserves the network information into MRU and carries out invalid net when successfully searching net according to the last time
Network is searched for, so as to the problem for causing successfully to search net time length.
In several embodiments provided herein, it should be understood that disclosed terminal and method,
Can realize by another way.For example, device embodiment described above is only schematic
, for example, the division of the unit, only a kind of division of logic function can be with when actually realizing
Have other dividing mode, such as multiple units or component can with reference to or be desirably integrated into another
System, or some features can ignore, or do not perform.It is another, it is shown or discussed it is mutual it
Between coupling direct-coupling or communication connection can be by the indirect of some interfaces, device or unit
Coupling is communicated to connect, and can be electrical, mechanical or other forms.
It is described as separating component explanation unit can be or may not be it is physically separate,
As the part that unit shows can be or may not be physical location, you can with positioned at a ground
Side, or can also be distributed on multiple NEs.Can select therein according to the actual needs
Some or all of unit is realizing the purpose of this embodiment scheme.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit
In, or the independent physics of unit include, it is also possible to two or more units are integrated in
In one unit.Above-mentioned integrated unit both can be realized in the form of hardware, it would however also be possible to employ hard
Part adds the form of SFU software functional unit to realize.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in a calculating
In machine read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, if including
Dry instruction is used so that a computer equipment (can be personal computer, server, or network
Equipment etc.) perform the part steps of each embodiment methods described of the invention.And aforesaid storage medium
Including:USB flash disk, portable hard drive, read only memory (Read-Only Memory, abbreviation ROM),
Random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD
Etc. it is various can be with the medium of store program codes.
Finally it should be noted that:Above example is only illustrating technical scheme rather than right
Its restriction;Although being described in detail to the present invention with reference to the foregoing embodiments, this area it is common
Technical staff should be understood:Which still can be repaiied to the technical scheme described in foregoing embodiments
Change, or equivalent is carried out to which part technical characteristic;And these modifications or replacement, not
Make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (10)
1. a kind of method for searching network, it is characterised in that include:
The PLMN PLMN marks carried in obtaining client identification module SIM;
If it is determined that preserve the PLMN identifying and the first network information in nearest use information MRU
Mapping relations, then searching net information according to first carries out searching net, and described first searches net information for the mapping
The first network information in relation.
2. method according to claim 1, it is characterised in that methods described also includes:
If searching net failure according to the first network information, searching net information according to second carries out searching net, institute
State second and search the network that net information includes that the terminal last time preserved into the MRU when successfully searching net
Information.
3. method according to claim 2, it is characterised in that the net preserved in the MRU
Network information includes access module, and methods described also includes:
When searching net information according to described second and successfully searching net, by the PLMN marks for preserving and institute
The mapping relations for stating the first network information in MRU are updated to the PLMN marks and successful search
The mapping relations of second network information in the corresponding MRU of network;
Or, preserve the high access mould of priority in the first network information and second network information
The mapping relations that the corresponding network information of formula is identified with the PLMN.
4. method according to claim 1, it is characterised in that methods described also includes:
If it is determined that not preserving the PLMN identifies the mapping with the first network information in the MRU
Relation, then searching net information according to second carries out searching net, and described second searches net information is included one in the terminal
The secondary network information successfully searched in the MRU preserved during net;
When net information being searched according to described second and successfully searching net, preserve the PLMN marks and successfully search
The mapping relations of second network information in the corresponding MRU of network of rope.
5. the method according to any one of claim 1-4, it is characterised in that in the MRU
The network information includes network frequency.
6. a kind of terminal, it is characterised in that include:
Acquiring unit, for obtaining the PLMN carried in client identification module SIM
PLMN is identified;
Processing unit, in if it is determined that preserving PLMN mark and nearest use information MRU
First network information mapping relations, then searching net information according to first carries out searching net, and described first searches net
Information is the first network information in the mapping relations.
7. terminal according to claim 6, it is characterised in that the processing unit is additionally operable to:
If searching net failure according to the first network information, searching net information according to second carries out searching net, institute
State second and search the network that net information includes that the terminal last time preserved into the MRU when successfully searching net
Information.
8. terminal according to claim 7, it is characterised in that the net preserved in the MRU
Network information includes access module, and the processing unit is additionally operable to:
When searching net information according to described second and successfully searching net, by the PLMN marks for preserving and institute
The mapping relations for stating the first network information in MRU are updated to the PLMN marks and successful search
The mapping relations of second network information in the corresponding MRU of network;
Or, preserve the high access mould of priority in the first network information and second network information
The mapping relations that the corresponding network information of formula is identified with the PLMN.
9. terminal according to claim 6, it is characterised in that the processing unit is additionally operable to:
If it is determined that not preserving the PLMN identifies the mapping with the first network information in the MRU
Relation, then searching net information according to second carries out searching net, and described second searches net information is included one in the terminal
The secondary network information successfully searched in the MRU preserved during net;
When net information being searched according to described second and successfully searching net, preserve the PLMN marks and successfully search
The mapping relations of second network information in the corresponding MRU of network of rope.
10. the terminal according to any one of claim 6-9, it is characterised in that in the MRU
The network information include network frequency.
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