CN108601017A - It is a kind of that network control method and user terminal are searched based on user terminal - Google Patents
It is a kind of that network control method and user terminal are searched based on user terminal Download PDFInfo
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- CN108601017A CN108601017A CN201810301270.4A CN201810301270A CN108601017A CN 108601017 A CN108601017 A CN 108601017A CN 201810301270 A CN201810301270 A CN 201810301270A CN 108601017 A CN108601017 A CN 108601017A
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- plmn
- user terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/183—Processing at user equipment or user record carrier
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
It is a kind of that network control method and user terminal are searched based on user terminal, including：User terminal determines the subscriber identification card type of user terminal, i.e. SIM card type (for example, unicom card) first；In turn, user terminal judge again in the disabling PLMN lists got in advance whether include and the different types of other equivalent Home PLMN (for example, equivalent Home PLMN of mobile card or telecommunications card) of above-mentioned SIM card, i.e. EHPLMN；If not including, then EHPLMN can be added in disabling PLMN lists and obtain updated disabling PLMN lists by user terminal, and then other PLMN in addition to the PLMN that the updated disabling PLMN lists include are searched for, to avoid user terminal registration operation is carried out in unavailable network.Implement the embodiment of the present invention, can shorten user terminal searches the net time, net efficiency is searched to be promoted, further, it is also possible to reduce power consumption.
Description
Technical field
The present invention relates to mobile communication technology fields, and in particular to a kind of to search network control method and use based on user terminal
Family terminal.
Background technology
PLMN (Public Land Mobile Network, public land mobile network) by government or it ratified
The network that operator establishes and manages to provide land mobile business to the public.FPLMN (Forbidden PLMN,
Disable PLMN) it is the PLMN being denied access, usually after attempting some PLMN of access but being rejected, user terminal can then incite somebody to action
The a certain PLMN is added in FPLMN list (disabling PLMN lists).
When user terminal enters no net state, for example, only covering unicom when the user terminal for being inserted into mobile card enters
Or telecommunication network region when, which can then be resident restricted cell, i.e., can only placement of emergency calls.In constrained state
User terminal be to obtain normal network, will start after a time interval and search net, that is, search for other in addition to FPLMN
Network, but be possible in other networks comprising the PLMN that cannot make user terminal successful registration, this makes searching for user terminal
Net that the time is longer, and then can reduce user terminal searches net efficiency.
Invention content
The embodiment of the invention discloses a kind of to search network control method and user terminal based on user terminal, can shorten use
Family terminal searches the net time, and net efficiency is searched to be promoted.
First aspect of the embodiment of the present invention discloses a kind of searching network control method, the method packet based on user terminal
It includes：
The user terminal determines the subscriber identification card type of the user terminal；
The user terminal judge in the disabling PLMN lists got in advance whether include and the user identity identification
The unmatched other equivalent Home PLMN of Card Type；
If not, other equivalent Home PLMN are added in the disabling PLMN lists by the user terminal, obtain
To updated disabling PLMN lists；
Other PLMNs of the user terminal search in addition to the PLMN that the updated disabling PLMN lists include.
As an alternative embodiment, in first aspect of the embodiment of the present invention, the user terminal will it is described its
Its equivalent Home PLMN is added in the disabling PLMN lists, after obtaining updated disabling PLMN lists, the method
Further include：
The user terminal detects the state that is presently in of the user terminal, and whether is presently in state described in judgement
For in net state；
If not, the user terminal determines that the user terminal has been resident restricted cell, and executes the search and remove
Other PLMN except the PLMN that the updated disabling PLMN lists include.
As an alternative embodiment, in first aspect of the embodiment of the present invention, the user terminal search removes institute
After stating other PLMN except the PLMN that updated disabling PLMN lists include, the method further includes：
The user terminal selecting target PLMN；Wherein, other PLMN include the target PLMN；
The user terminal searches for Target cell corresponding with the target PLMN according to the cell information to prestore, and sentences
Whether the signal quality of the disconnected Target cell is greater than or equal to preset standard signal quality；
If so, the user terminal is resident the Target cell.
As an alternative embodiment, in first aspect of the embodiment of the present invention, the user terminal is according to prestoring
Cell information search for corresponding with target PLMN Target cell, including：
The user terminal according to the cell information to prestore and based on co-frequency cell, alien-frequency district and different system it
Between cell search order, search for corresponding with target PLMN Target cell.
As an alternative embodiment, in first aspect of the embodiment of the present invention, the user terminal selecting target
PLMN, including：
The user terminal is based on registered PLMN and equivalent PLMN, ownership HPLMN, user's control UPLMN and operation
Quotient controls the selecting sequence of PLMN, selection target PLMN.
Second aspect of the embodiment of the present invention discloses a kind of user terminal, and the user terminal includes：
First determination unit, the subscriber identification card type for determining the user terminal；
First judging unit, in the disabling PLMN lists for judging to get in advance whether include and the user identity
Identify the unmatched other equivalent Home PLMN of Card Type；
Adding device, in judging the disabling PLMN lists got in advance in first judging unit not
Including with after the unmatched other equivalent Home PLMN of the subscriber identification card type, other equivalent return described
Belong to PLMN to be added in the disabling PLMN lists, obtains updated disabling PLMN lists；
First search unit, it is other in addition to the PLMN that the updated disabling PLMN lists include for searching for
PLMN。
As an alternative embodiment, in second aspect of the embodiment of the present invention, the user terminal further includes：
Detection unit is arranged for other equivalent Home PLMN to be added to the disabling PLMN in the adding device
In table, after obtaining updated disabling PLMN lists, that detects the user terminal is presently in state；
Second judgment unit described is presently in whether state is in net state for judging；
Second determination unit is presently in state not to be described in net for judging in the second judgment unit except described
After state, determine that the user terminal has been resident restricted cell；
First search unit, it is limited specifically for determining that the user terminal has been resident in second determination unit
After cell, other PLMN in addition to the PLMN that the updated disabling PLMN lists include are searched for.
As an alternative embodiment, in second aspect of the embodiment of the present invention, the user terminal further includes：
Selecting unit, for being searched in first search unit except the updated disabling PLMN lists include
After other PLMN except PLMN, selection target PLMN；Wherein, other PLMN include the target PLMN；
Second search unit is small for searching for target corresponding with the target PLMN according to the cell information to prestore
Area；
Third judging unit, for judging the signal quality of the Target cell whether greater than or equal to preset standard letter
Number quality；
Resident element, for judging that the signal quality of the Target cell is greater than or equal in the third judging unit
After the preset standard signal quality, it is resident the Target cell.
As an alternative embodiment, in second aspect of the embodiment of the present invention, second search unit, specifically
For according to the cell information that prestores and the search based on cell between co-frequency cell, alien-frequency district and different system it is suitable
Sequence searches for Target cell corresponding with the target PLMN.
As an alternative embodiment, in second aspect of the embodiment of the present invention, the selecting unit is specifically used for
The selecting sequence of PLMN is controlled based on registered PLMN and equivalent PLMN, ownership HPLMN, user's control UPLMN and operator,
Selection target PLMN.
The third aspect of the embodiment of the present invention discloses a kind of user terminal, including：
It is stored with the memory of executable program code；
The processor coupled with the memory；
The processor calls the executable program code stored in the memory, executes the embodiment of the present invention the
On the one hand disclosed that network control method is searched based on user terminal.
Fourth aspect of the embodiment of the present invention discloses a kind of computer readable storage medium, stores computer program,
In, the computer program makes computer execution embodiment of the present invention first aspect is disclosed to search network control based on user terminal
Method processed.
The 5th aspect of the embodiment of the present invention discloses a kind of computer program product, when the computer program product is being counted
When being run on calculation machine so that the computer executes and searches network control method based on user terminal disclosed in first aspect.
Compared with prior art, the embodiment of the present invention has the advantages that：
In the embodiment of the present invention, user terminal determines the subscriber identification card type of user terminal, i.e. SIM card class first
Type (for example, unicom card)；In turn, user terminal judge again in the disabling PLMN lists got in advance whether comprising with it is above-mentioned
The different types of other equivalent Home PLMN (for example, equivalent Home PLMN of mobile card or telecommunications card) of SIM card, i.e. EHPLMN；
If not including, EHPLMN can be added in disabling PLMN lists and obtain updated disabling PLMN row by user terminal
Table, and then other PLMN in addition to the PLMN that the updated disabling PLMN lists include are searched for, to avoid user terminal
Registration operation is carried out in unavailable network.In conclusion implementing the embodiment of the present invention, when searching net of user terminal can be shortened
Between, net efficiency is searched to be promoted, further, it is also possible to reduce power consumption.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of flow diagram for searching network control method based on user terminal disclosed by the embodiments of the present invention；
Fig. 2 is another flow diagram for searching network control method based on user terminal disclosed by the embodiments of the present invention；
Fig. 3 is another flow diagram for searching network control method based on user terminal disclosed by the embodiments of the present invention；
Fig. 4 is a kind of structural schematic diagram of user terminal disclosed by the embodiments of the present invention；
Fig. 5 is the structural schematic diagram of another user terminal disclosed by the embodiments of the present invention；
Fig. 6 is the structural schematic diagram of another user terminal disclosed by the embodiments of the present invention；
Fig. 7 is the structural schematic diagram of another user terminal disclosed by the embodiments of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
It should be noted that the term " comprising " and " having " in the embodiment of the present invention and attached drawing and their any changes
Shape, it is intended that cover and non-exclusive include.Such as contain the process of series of steps or unit, method, system, product or
Equipment is not limited to the step of having listed or unit, but further includes the steps that optionally not listing or unit or optional
Ground further includes for the intrinsic other steps of these processes, method, product or equipment or unit.
The embodiment of the invention discloses a kind of to search network control method and user terminal based on user terminal, can shorten use
Family terminal searches the net time, and net efficiency is searched to be promoted.It is described in detail separately below.
Embodiment one
Referring to Fig. 1, Fig. 1 is a kind of flow for searching network control method based on user terminal disclosed by the embodiments of the present invention
Schematic diagram.The network control method of searching based on user terminal is somebody's turn to do as shown in Figure 1 to may comprise steps of：
101, user terminal determines the subscriber identification card type of user terminal.
In the embodiment of the present invention, user terminal can identify subscriber identification card (Subscriber Identity
Module, SIM) type (for example, mobile, unicom or telecommunications).
In the embodiment of the present invention, SIM card is a chip card that microprocessor is housed.When the user terminal is switched on, user
Terminal needs to carry out data exchange with SIM card, can detect number data signal on the deck of SIM card with oscillograph, such as
Non- plug-in card in fruit user terminal, these signals will not then be sent out.
Subsequently FPLMN lists can be carried out more with reaching by the identification to SIM card type so executing step 101
New purpose.
102, user terminal judge in the disabling PLMN lists that get in advance whether include and subscriber identification card class
The unmatched other equivalent Home PLMN of type, if so, step 104 is executed, if not, executing step 103.
In the embodiment of the present invention, equivalent Home PLMN (Equivalent Home PLMN, EHPLMN) is current with terminal
The PLMN of selection is in the Home PLMN of par.
In the embodiment of the present invention, PLMN is made of many cells, the main scrambler (Primary that cell is used by it
Scrambling Code) it is identified, main scrambler is distributed in network plan.PLMN information belonging to cell is included in system
In message, user terminal selects the cell of the PLMN first in booting or off-grid, if can not capture conjunction at the PLMN
Suitable cell then reports PLMN lists to start a wheel cell acquisition procedure.
So execute step 102 can by disabling PLMN lists in whether include and subscriber identification card type
Unmatched other equivalent Home PLMN are judged, if do not included, other Home PLMN are added into disabling PLMN row
In table, to improve the efficiency that subsequent user terminal searches net.
103, other equivalent Home PLMN are added in disabling PLMN lists by user terminal, obtain updated disabling
PLMN lists.
For example, it is mobile card if being inserted into user terminal, and it does not include unicom or telecommunications to disable in PLMN lists
PLMN, then user terminal by the PLMN of unicom or telecommunications be added into disabling PLMN in, i.e., in updated disabling PLMN lists
Including the PLMN of unicom or telecommunications.
It can be shortened by the way that other equivalent Home PLMN are added in disabling PLMN lists so executing step 103
User terminal searches the net time, saves power consumption and extend the cruise duration of user terminal.
104, other PLMNs of the user terminal search in addition to the PLMN that updated disabling PLMN lists include.
In the embodiment of the present invention, user terminal can safeguard that the PLMN lists of multiple and different types, each list have more
A PLMN, such as：Registered PLMN (RPLMN), Home PLMN (HPLMN), is end-user access at equivalent PLMN (EPLMN)
PLMN (VPLMN), user's control PLMN (UPLMN), operator control PLMN (OPLMN) and forbid access PLMN
At least one of (FPLMN), the embodiment of the present invention is not construed as limiting.In addition, PLMN will be according to preset in user terminal when selecting
Sequence scans for selecting.Wherein, RPLMN is PLMN of the user terminal before last time shutdown or off-grid in registration；EPLMN is
The PLMN of par is in the currently selected PLMN of terminal；HPLMN is the PLMN of terminal user's ownership；UPLMN is storage
There are one on usim card to select related parameter with PLMN；OPLMN is previously stored one and PLMN selection on usim card
Related parameter.
So execute step 104 can by search for except it is updated disabling PLMN lists include PLMN in addition to its
Its PLMN, shorten mobile terminal search net the time and improve search net efficiency.
As it can be seen that implementing method described in Fig. 1, user terminal can be by the identification to SIM card type, to reach follow-up
The purpose that FPLMN lists are updated；In addition, user terminal can by disabling PLMN lists whether include and user
The unmatched other equivalent Home PLMN of identification Card Type are judged, if do not included, other Home PLMN are added
It is added in disabling PLMN lists, to improve the efficiency that subsequent user terminal searches net；In addition, user terminal can be by will be other etc.
Effect Home PLMN is added in disabling PLMN lists, shortens searching the net time, saving power consumption and extend for user terminal
The cruise duration of user terminal；In addition, user terminal can be by searching for the PLMN for including except updated disabling PLMN lists
Except other PLMN, shorten mobile terminal search net the time and improve search net efficiency.So implementing method described in Fig. 1
User terminal can be shortened searches the net time, and net efficiency is searched to be promoted.
Embodiment two
Referring to Fig. 2, Fig. 2 is another stream for searching network control method based on user terminal disclosed by the embodiments of the present invention
Journey schematic diagram.The network control method of searching based on user terminal is somebody's turn to do as shown in Figure 2 to may comprise steps of：
201, user terminal determines the subscriber identification card type of user terminal.
202, user terminal judge in the disabling PLMN lists that get in advance whether include and subscriber identification card class
The unmatched other equivalent Home PLMN of type, if so, step 204 is executed, if not, executing step 203.
203, other equivalent Home PLMN are added in disabling PLMN lists by user terminal, obtain updated disabling
PLMN lists.
204, user terminal detects the state that is presently in of user terminal, and judges to be presently in whether state is netted
State, if so, terminating this flow, if not, executing step 205.
In the embodiment of the present invention, the state that is presently in of user terminal includes in net state or (i.e. not de- in net state
Net state).
Optionally, when detect user terminal be presently in state be off-grid state when, before executing step 205,
The method for searching network based on user terminal can also include following operation：
Whether the card slot that user terminal can detect SIM card loosens, if it is, output is for prompting user's card slot to loosen
Prompt message and retriggered execute step 201；
If the card slot of SIM card does not loosen, it can directly trigger and execute step 205.
Further alternative, when detecting that the card slot of SIM card does not loosen, and before executing step 205, this is based on
The method for searching network of user terminal can also include following operation：
User terminal is presently in by short-distance wireless connection type (such as bluetooth connection mode) acquisition user terminal
The history usage record of user is called in geographical location, and is filtered out user from the history usage record and made in the geographical location
It is more than multiple applications of preset times threshold value with number, and judges in multiple application whether to include to need to pass through mobile network
The application communicated, if including, it triggers and executes step 205, if do not included, when net interval is searched in user terminal extension
It is long；Alternatively,
User terminal detects the touch control operation that user is directed to screen, and determines whether the position of touch of the touch control operation is mesh
The corresponding position of touch of handle icon of mark application (application for needing mobile network), if it is, triggering executes step 205,
If not, net interval duration is searched in user terminal extension.
In the embodiment of the present invention, for example, when user terminal be presently in state be off-grid state when, user terminal
The history usage record of user can be called, for example, when user terminal off-grid, user is usually used only tight in current geographic position
Anxious telephony feature, then user terminal extension search net interval duration, then wouldn't carry out searching net.
Further, user terminal obtains user terminal by short-distance wireless connection type (such as bluetooth connection mode)
The geographical location being presently in may include：
User terminal starts its Bluetooth function, and searches for the bluetooth equipment near user terminal；
User terminal sends connection request to the strongest bluetooth equipment of signal, if successful connection, then it is most strong to the signal
Bluetooth equipment transmission current geographic position obtain request, to obtain the close of user terminal according to the strongest bluetooth equipment of the signal
Seemingly it is presently in position；If it fails to connect, user terminal sends connection request to the bluetooth equipment of signal the last the second, with such
It pushes away, until the approximation for obtaining user terminal is presently in position or user terminal and is nearby sent for user terminal there is no other
The bluetooth equipment of connection request；Alternatively,
User terminal sends connection request to apart from nearest bluetooth equipment, if successful connection, then it is nearest to the distance
Bluetooth equipment transmission current geographic position obtain request, to obtain the close of user terminal apart from nearest bluetooth equipment according to this
Seemingly it is presently in position；If it fails to connect, user terminal sends connection request to the close bluetooth equipment of distance second, with such
It pushes away, until the approximation for obtaining user terminal is presently in position or user terminal and is nearby sent for user terminal there is no other
The bluetooth equipment of connection request.
As it can be seen that when user terminal is in off-grid state, before carrying out searching net, user terminal may determine that user terminal
User whether need to use mobile network, if it is desired, then carry out searching net, if it is not required, then extend search net interval duration,
The unnecessary kwh loss because frequently searching guipure can be reduced in this way.
It can be by detecting the state that is presently in of user terminal so executing step 204, and judge to be presently in state
Whether it is to reduce user terminal power consumption in net state, extend the cruise duration of user terminal.
205, user terminal determines that user terminal has been resident restricted cell, and searches for and remove updated disabling PLMN list packets
Other PLMN except the PLMN included.
In the embodiment of the present invention, user terminal is user equipment, and user equipment (User Equipment, UE) is mobile logical
A key concept in news, in 3G and 4G networks, user terminal is referred to as UE.After UE is switched on, needs to search for and select one
The cell of a suitable PLMN is resident, and different RAT is taken further according to the different demands of PLMN；Wherein, RAT is by network attached storage
It determines, radio resource control layer is responsible for the control work such as search.Network attached storage (Network Attached Storage,
NAS it is) device for being connected on network and having data storage function, it is data-centered, by storage device and server
It is completely separated, and manages data concentratedly, so as to discharge loan, improve performance, reduce total cost of ownership and protect investment.
Wireless heterogeneous networks (Radio Resource Control, RRC), handle UE and eNodeB (Evolved Node-B) between control
The third layer information of plane processed.
It can be by determining that user terminal has been resident restricted cell so executing step 205, and search for and remove updated taboo
Other PLMN except the PLMN for including with PLMN lists, in time search can use PLMN, ensure the network communication of user terminal
The normal use of function, and improve and search net efficiency.
As it can be seen that implementing method described in Fig. 2, user terminal can be by the identification to SIM card type, to reach follow-up
The purpose that FPLMN lists are updated；In addition, user terminal can by disabling PLMN lists whether include and user
The unmatched other equivalent Home PLMN of identification Card Type are judged, if do not included, other Home PLMN are added
It is added in disabling PLMN lists, to improve the efficiency that subsequent user terminal searches net；In addition, user terminal can be by will be other etc.
Effect Home PLMN is added in disabling PLMN lists, shortens searching the net time, saving power consumption and extend for user terminal
The cruise duration of user terminal；In addition, user terminal can be by searching for the PLMN for including except updated disabling PLMN lists
Except other PLMN, shorten mobile terminal search net the time and improve search net efficiency；In addition, user terminal can pass through detection
User terminal is presently in state, and judges to be presently in whether state is to reduce user terminal power consumption in net state, extends
The cruise duration of user terminal；In addition, user terminal can be by determining that user terminal has been resident restricted cell, and search for except more
Other PLMN except the PLMN that disabling PLMN lists after new include, in time search can use PLMN, ensure user terminal
The normal use of network communicating function, and improve and search net efficiency.So implementing method described in Fig. 2 can further contract
Short user terminal searches the net time, and net efficiency is searched to be promoted.
Embodiment three
Referring to Fig. 3, Fig. 3 is another stream for searching network control method based on user terminal disclosed by the embodiments of the present invention
Journey schematic diagram.The network control method of searching based on user terminal is somebody's turn to do as shown in Figure 3 to may comprise steps of：
In embodiments of the present invention, it includes step 301 and step 305, needle to be somebody's turn to do the network control method of searching based on user terminal
Description to step 301 and step 305 please refers to the detailed description that step 201 and step 205 are directed in embodiment two, this hair
Bright embodiment repeats no more.
306, user terminal selecting target PLMN；Wherein, other PLMN include target PLMN.
307, user terminal searches for Target cell corresponding with target PLMN according to the cell information to prestore, and judges mesh
Whether the signal quality for marking cell is greater than or equal to preset standard signal quality, if so, step 308 is executed, if not, holding
Row step 306.
Optionally, when the state of user terminal is idle, NAS initiates manual search；When UE be resident to restricted cell it
Afterwards, GCFE automated periodic initiates the search to suitable cell；At the idling mode, when the signal of serving cell is less than preset
When standard signal quality, MCFE can triggering cell gravity treatment；In the connection mode, when the signal of serving cell is less than preset standard
When signal quality, MCFE can triggering cell gravity treatment；GCFR automated periodic initiates the search to suitable cell, if obtained for a long time
System information is not obtained, GCFE can also automatically initiate cell reselection.
It can be by searching for target corresponding with target PLMN according to the cell information to prestore so executing step 307
Cell, and judge whether the signal quality of Target cell is greater than or equal to preset standard signal quality, it ensure that user terminal
Signal quality.
308, user terminal is resident Target cell.
As an alternative embodiment, in searching in network control method based on user terminal, user terminal is according to pre-
The cell information deposited searches for Target cell corresponding with target PLMN, including：
User terminal is according to the cell information to prestore and based on small between co-frequency cell, alien-frequency district and different system
The search order in area searches for Target cell corresponding with target PLMN.
It can be promoted by preset search order and search net efficiency as it can be seen that implementing the optional embodiment.
As another optional embodiment, in searching in network control method based on user terminal, user terminal selecting
Target PLMN, including：
User terminal is based on registered PLMN and equivalent PLMN, ownership HPLMN, user's control UPLMN and operator's control
The selecting sequence of PLMN processed, selection target PLMN.
As it can be seen that net sequence can be searched by preset by implementing the optional embodiment of the another kind, further speeds up and searched
Net spee reduces user terminal power consumption.
As it can be seen that method described in implementing Fig. 3, user terminal can be by the identification to SIM card type, to reach follow-up
The purpose that FPLMN lists are updated；In addition, user terminal can by disabling PLMN lists whether include and user
The unmatched other equivalent Home PLMN of identification Card Type are judged, if do not included, other Home PLMN are added
It is added in disabling PLMN lists, to improve the efficiency that subsequent user terminal searches net；In addition, user terminal can be by will be other etc.
Effect Home PLMN is added in disabling PLMN lists, shortens searching the net time, saving power consumption and extend for user terminal
The cruise duration of user terminal；In addition, user terminal can be by searching for the PLMN for including except updated disabling PLMN lists
Except other PLMN, shorten mobile terminal search net the time and improve search net efficiency；In addition, user terminal can pass through detection
User terminal is presently in state, and judges to be presently in whether state is to reduce user terminal power consumption in net state, extends
The cruise duration of user terminal；In addition, user terminal can be by determining that user terminal has been resident restricted cell, and search for except more
Other PLMN except the PLMN that disabling PLMN lists after new include, in time search can use PLMN, ensure user terminal
The normal use of network communicating function, and improve and search net efficiency；In addition, user terminal can be by believing according to the cell to prestore
Whether breath searches for Target cell corresponding with target PLMN, and judge the signal quality of Target cell greater than or equal to preset
Standard signal quality ensure that the signal quality of user terminal；In addition, user terminal can be carried by preset search order
It rises and searches net efficiency；In addition, user terminal can search net sequence by preset, further speeds up and searched net spee, reduced use
Family power consumption of terminal.So method described in implementing Fig. 3, which can further shorten searching for user terminal, nets the time, to be promoted
Search net efficiency.
Example IV
Referring to Fig. 4, Fig. 4 is a kind of structural schematic diagram of user terminal disclosed by the embodiments of the present invention.As shown in figure 4,
The user terminal may include：
First determination unit 401, the subscriber identification card type for determining user terminal.
In the embodiment of the present invention, the first determination unit 401 can identify subscriber identification card (Subscriber
Identity Module, SIM) type (for example, mobile, unicom or telecommunications).
In the embodiment of the present invention, SIM card is a chip card that microprocessor is housed.When the user terminal is switched on, user
Terminal needs to carry out data exchange with SIM card, can detect number data signal on the deck of SIM card with oscillograph, such as
Non- plug-in card in fruit user terminal, these signals will not then be sent out.It in this way can be by the identification to SIM card type, after reaching
The continuous purpose that FPLMN lists are updated.
In the embodiment of the present invention, after the subscriber identification card type that the first determination unit 401 determines user terminal,
Trigger the startup of the first judging unit 402.
First judging unit 402, in the disabling PLMN lists for judging to get in advance whether include and user identity
Identify the unmatched other equivalent Home PLMN of Card Type.
In the embodiment of the present invention, equivalent Home PLMN (Equivalent Home PLMN, EHPLMN) is current with terminal
The PLMN of selection is in the Home PLMN of par.
In the embodiment of the present invention, PLMN is made of many cells, the main scrambler (Primary that cell is used by it
Scrambling Code) it is identified, main scrambler is distributed in network plan.PLMN information belonging to cell is included in system
In message, user terminal selects the cell of the PLMN first in booting or off-grid, if can not capture conjunction at the PLMN
Suitable cell then reports PLMN lists to start a wheel cell acquisition procedure.In this way can by disabling PLMN lists in whether
Including judged with the unmatched other equivalent Home PLMN of subscriber identification card type, it, will be other if do not included
Home PLMN is added into disabling PLMN lists, to improve the efficiency that subsequent user terminal searches net.
In the embodiment of the present invention, judge not wrap in the disabling PLMN lists got in advance in the first judging unit 402
Containing with after the unmatched other equivalent Home PLMN of subscriber identification card type, triggering adding device 403 starts.
In the embodiment of the present invention, judge not wrap in the disabling PLMN lists got in advance in the first judging unit 402
Containing with after the unmatched other equivalent Home PLMN of subscriber identification card type, triggering adding device 403 starts.
Adding device 403, for judging not wrap in the disabling PLMN lists got in advance in the first judging unit 402
Containing with after the unmatched other equivalent Home PLMN of subscriber identification card type, other equivalent Home PLMN are added to taboo
With in PLMN lists, obtaining updated disabling PLMN lists.For example, it is mobile card if being inserted into user terminal, and
The PLMN comprising unicom or telecommunications in PLMN lists is disabled, then the PLMN of unicom or telecommunications is added into disabling by user terminal
In PLMN, i.e., the PLMN comprising unicom or telecommunications in updated disabling PLMN lists.It in this way can be by equivalent returning other
Belong to PLMN to be added in disabling PLMN lists, shortens searching the net time, saving power consumption and extend user for user terminal
The cruise duration of terminal.
In the embodiment of the present invention, other equivalent Home PLMN are added in disabling PLMN lists in adding device 403, are obtained
To after updated disabling PLMN lists, the first search unit 404 of triggering starts.
First search unit 404, it is other in addition to the PLMN that updated disabling PLMN lists include for searching for
PLMN。
In the embodiment of the present invention, the first search unit 404 can safeguard the PLMN lists of multiple and different types, each list
Multiple PLMN are had, such as：Registered PLMN (RPLMN), Home PLMN (HPLMN), is that terminal is used at equivalent PLMN (EPLMN)
The PLMN (VPLMN) of family access, user's control PLMN (UPLMN), operator control PLMN (OPLMN) and forbid accessing PLMN
At least one of (FPLMN), the embodiment of the present invention is not construed as limiting.In addition, PLMN will be according to preset in user terminal when selecting
Sequence scans for selecting.Wherein, RPLMN is PLMN of the user terminal before last time shutdown or off-grid in registration；EPLMN is
The PLMN of par is in the currently selected PLMN of terminal；HPLMN is the PLMN of terminal user's ownership；UPLMN is storage
There are one on usim card to select related parameter with PLMN；OPLMN is previously stored one and PLMN selection on usim card
Related parameter.It in this way can be by searching for other PLMN in addition to the PLMN that updated disabling PLMN lists include, contracting
Net efficiency is searched in searching the net time and improving for short mobile terminal.
As it can be seen that implementing in user terminal described in Fig. 4, the first determination unit 401 can pass through the knowledge to SIM card type
Not, to achieve the purpose that subsequently to be updated FPLMN lists；First judging unit 402 can be by disabling PLMN lists
In whether comprising being judged with the unmatched other equivalent Home PLMN of subscriber identification card type, if do not included,
Other Home PLMN are added into disabling PLMN lists, to improve the efficiency that subsequent user terminal searches net；403 energy of adding device
It is enough to be disabled in PLMN lists by being added to other equivalent Home PLMN, shorten searching the net time, saving for user terminal
Power consumption and the cruise duration for extending user terminal；First search unit 404 can remove updated disabling by search
Other PLMN except the PLMN that PLMN lists include, shorten mobile terminal search net the time and improve search net efficiency.So real
Apply user terminal described in Fig. 4 can shorten user terminal search net the time, with promoted search net efficiency.
Embodiment five
Referring to Fig. 5, Fig. 5 is the structural schematic diagram of another user terminal disclosed by the embodiments of the present invention.Wherein, Fig. 5
Shown in user terminal be that user terminal as shown in Figure 4 optimizes.User terminal as shown in fig. 4 compares,
User terminal shown in fig. 5 can also include：
In the embodiment of the present invention, other equivalent Home PLMN are added in disabling PLMN lists in adding device 403, are obtained
To after updated disabling PLMN lists, detection trigger unit 405 starts.
Detection unit 405, for other equivalent Home PLMN to be added in disabling PLMN lists in adding device 403,
After obtaining updated disabling PLMN lists, that detects user terminal is presently in state.
In the embodiment of the present invention, detection unit 405 detect user terminal be presently in state after, triggering second is sentenced
Disconnected unit 406 starts.
Second judgment unit 406 is presently in whether state is in net state for judging.
In the embodiment of the present invention, the state that is presently in of user terminal includes in net state or (i.e. not de- in net state
Net state).In this way can be by detecting the state that is presently in of user terminal, and judge to be presently in whether state is netted
State reduces user terminal power consumption, extends the cruise duration of user terminal.
Optionally, when detect user terminal be presently in state be off-grid state when, trigger the second determination unit
Before 407 start, second judgment unit 406 can be with：
Whether the card slot of detection SIM card loosens, if it is, output is for prompting the prompt message of user's card slot loosening simultaneously
The first determination unit of retriggered 401 executes the operation for the subscriber identification card type for determining user terminal；If SIM card
Card slot does not loosen, then can directly trigger the startup of determination unit 407.
It is further alternative, when detecting that the card slot of SIM card does not loosen, and before the startup of determination unit 407, the
Two judging units 406 can be with：
The geographical location that user terminal is presently in is obtained by short-distance wireless connection type (such as bluetooth connection mode),
The history usage record of user is called, and filters out user from the history usage record and is more than in the geographical location access times
Multiple applications of preset times threshold value, and judge in multiple application whether to include to need to be communicated by mobile network
Using, if including, the startup of determination unit 407 is triggered, if do not included, net interval duration is searched in user terminal extension；Alternatively,
The touch control operation that user is directed to screen is detected, and determines whether the position of touch of the touch control operation is intended application
The corresponding position of touch of handle icon of (application for needing mobile network), if it is, triggering determination unit 407 starts, such as
Fruit is no, and net interval duration is searched in user terminal extension.
Further, second judgment unit 406 is obtained by short-distance wireless connection type (such as bluetooth connection mode)
The mode in the geographical location that user terminal is presently in is specifically as follows：
Start its Bluetooth function, and searches for the bluetooth equipment near user terminal；
Connection request is sent to the strongest bluetooth equipment of signal, if successful connection, then set to the strongest bluetooth of the signal
Standby transmission current geographic position obtains request, to obtain the current institute of approximation of user terminal according to the strongest bluetooth equipment of the signal
Locate position；If it fails to connect, user terminal sends connection request to the bluetooth equipment of signal the last the second, and so on, until
The approximation for obtaining user terminal is presently in position or user terminal and nearby sends connection there is no other for user terminal and ask
The bluetooth equipment asked；Alternatively,
Connection request is sent to apart from nearest bluetooth equipment, if successful connection, then set to this apart from nearest bluetooth
Standby transmission current geographic position obtains request, to obtain the current institute of approximation of user terminal apart from nearest bluetooth equipment according to this
Locate position；If it fails to connect, user terminal sends connection request to the close bluetooth equipment of distance second, and so on, until
The approximation for obtaining user terminal is presently in position or user terminal and nearby sends connection there is no other for user terminal and ask
The bluetooth equipment asked.
As it can be seen that when user terminal is in off-grid state, before carrying out searching net, user terminal may determine that user terminal
User whether need to use mobile network, if it is desired, then carry out searching net, if it is not required, then extend search net interval duration,
The unnecessary kwh loss because frequently searching guipure can be reduced in this way.
In the embodiment of the present invention, judge to be presently in state to be not to be touched after net state in second judgment unit 406
Send out the startup of the second determination unit 407.
Second determination unit 407, for second judgment unit 406 judge except be presently in state not as net state it
Afterwards, determine that user terminal has been resident restricted cell.
In the embodiment of the present invention, after the second determination unit 407 determines that user terminal be resident restricted cell, the is triggered
One search unit 404 executes the operation of other PLMNs of the search in addition to the PLMN that updated disabling PLMN lists include.
First search unit 404, be specifically used for the second determination unit 407 determine user terminal be resident restricted cell it
Afterwards, other PLMNs of the search in addition to the PLMN that updated disabling PLMN lists include.
In the embodiment of the present invention, user terminal is user equipment, and user equipment (User Equipment, UE) is mobile logical
A key concept in news, in 3G and 4G networks, user terminal is referred to as UE.After UE is switched on, needs to search for and select one
The cell of a suitable PLMN is resident, and different RAT is taken further according to the different demands of PLMN；Wherein, RAT is by network attached storage
It determines, radio resource control layer is responsible for the control work such as search.Network attached storage (Network Attached Storage,
NAS it is) device for being connected on network and having data storage function, it is data-centered, by storage device and server
It is completely separated, and manages data concentratedly, so as to discharge loan, improve performance, reduce total cost of ownership and protect investment.
Wireless heterogeneous networks (Radio Resource Control, RRC), handle UE and eNodeB (Evolved Node-B) between control
The third layer information of plane processed.In this way can be by determining that user terminal has been resident restricted cell, and search for and remove updated taboo
Other PLMN except the PLMN for including with PLMN lists, in time search can use PLMN, ensure the network communication of user terminal
The normal use of function, and improve and search net efficiency.
As it can be seen that implementing in user terminal described in Fig. 4, the first determination unit 401 can pass through the knowledge to SIM card type
Not, to achieve the purpose that subsequently to be updated FPLMN lists；First judging unit 402 can be by disabling PLMN lists
In whether comprising being judged with the unmatched other equivalent Home PLMN of subscriber identification card type, if do not included,
Other Home PLMN are added into disabling PLMN lists, to improve the efficiency that subsequent user terminal searches net；403 energy of adding device
It is enough to be disabled in PLMN lists by being added to other equivalent Home PLMN, shorten searching the net time, saving for user terminal
Power consumption and the cruise duration for extending user terminal；First search unit 404 can remove updated disabling by search
Other PLMN except the PLMN that PLMN lists include, shorten mobile terminal search net the time and improve search net efficiency；Detection is single
Member 405 and second judgment unit 406 can be by detecting the state that is presently in of user terminal, and judge that being presently in state is
No is to reduce user terminal power consumption in net state, extend the cruise duration of user terminal；Second determination unit 407 and first is searched
Cable elements 404 can be by determining that user terminal has been resident restricted cell, and searches for except updated disabling PLMN lists include
PLMN except other PLMN, in time search can use PLMN, ensured the normal use of the network communicating function of user terminal,
And it improves and searches net efficiency.So when searching net of user terminal can further be shortened by implementing user terminal described in Fig. 4
Between, search net efficiency to be promoted.
Embodiment six
Referring to Fig. 6, Fig. 6 is the structural schematic diagram of another user terminal disclosed by the embodiments of the present invention.Wherein, Fig. 6
Shown in user terminal be that user terminal as shown in Figure 5 optimizes.Compared with user terminal shown in fig. 5,
In user terminal shown in fig. 6, acquiring unit 401 may include：
Selecting unit 408, the PLMN for including except updated disabling PLMN lists in the search of the first search unit 404
Except other PLMN after, selection target PLMN；Wherein, other PLMN include target PLMN.
In the embodiment of the present invention, after 408 selection target PLMN of selecting unit, the second search unit 409 of triggering starts.
Second search unit 409, for searching for Target cell corresponding with target PLMN according to the cell information to prestore.
It is opposite with target PLMN according to the cell information search to prestore in the second search unit 409 in the embodiment of the present invention
After the Target cell answered, triggering third judging unit 410 starts.
Third judging unit 410, for judging the signal quality of Target cell whether greater than or equal to preset standard letter
Number quality.
Optionally, when the state of user terminal is idle, NAS initiates manual search；When UE be resident to restricted cell it
Afterwards, GCFE automated periodic initiates the search to suitable cell；At the idling mode, when the signal of serving cell is less than preset
When standard signal quality, MCFE can triggering cell gravity treatment；In the connection mode, when the signal of serving cell is less than preset standard
When signal quality, MCFE can triggering cell gravity treatment；GCFR automated periodic initiates the search to suitable cell, if obtained for a long time
System information is not obtained, GCFE can also automatically initiate cell reselection.In this way can by according to prestore cell information search with
The corresponding Target cells of target PLMN, and judge whether the signal quality of Target cell is greater than or equal to preset standard signal
Quality ensure that the signal quality of user terminal.
In the embodiment of the present invention, judge the signal quality of Target cell greater than or equal to pre- in third judging unit 410
If standard signal quality after, triggering resident element 411 start.
Resident element 411, for judging the signal quality of Target cell greater than or equal to pre- in third judging unit 410
If standard signal quality after, be resident Target cell.
Second search unit 409, specifically for according to the cell information that prestores and based on co-frequency cell, alien-frequency district with
And between different system cell search order, search for corresponding with target PLMN Target cell.It in this way can be by default
Search order, promotion search net efficiency.
Selecting unit 408 is specifically used for based on registered PLMN and equivalent PLMN, ownership HPLMN, user's control UPLMN
And the selecting sequence of operator control PLMN, selection target PLMN.Net sequence can be searched by preset in this way, further added
It is fast to search net spee, reduce user terminal power consumption.
As it can be seen that implementing in user terminal described in Fig. 4, the first determination unit 401 can pass through the knowledge to SIM card type
Not, to achieve the purpose that subsequently to be updated FPLMN lists；First judging unit 402 can be by disabling PLMN lists
In whether comprising being judged with the unmatched other equivalent Home PLMN of subscriber identification card type, if do not included,
Other Home PLMN are added into disabling PLMN lists, to improve the efficiency that subsequent user terminal searches net；403 energy of adding device
It is enough to be disabled in PLMN lists by being added to other equivalent Home PLMN, shorten searching the net time, saving for user terminal
Power consumption and the cruise duration for extending user terminal；First search unit 404 can remove updated disabling by search
Other PLMN except the PLMN that PLMN lists include, shorten mobile terminal search net the time and improve search net efficiency；Detection is single
Member 405 and second judgment unit 406 can be by detecting the state that is presently in of user terminal, and judge that being presently in state is
No is to reduce user terminal power consumption in net state, extend the cruise duration of user terminal；Second determination unit 407 and first is searched
Cable elements 404 can be by determining that user terminal has been resident restricted cell, and searches for except updated disabling PLMN lists include
PLMN except other PLMN, in time search can use PLMN, ensured the normal use of the network communicating function of user terminal,
And it improves and searches net efficiency；Second search unit 409 and third judging unit 410 can be by searching according to the cell information to prestore
Rope Target cell corresponding with target PLMN, and judge whether the signal quality of Target cell is greater than or equal to preset standard
Signal quality ensure that the signal quality of user terminal；Second search unit 409 can be promoted by preset search order
Search net efficiency；Selecting unit 408 can search net sequence by preset, further speeded up and searched net spee, reduced user's end
Hold power consumption.The time is netted so implementing user terminal described in Fig. 4 and can further shorten searching for user terminal, to be promoted
Search net efficiency.
Embodiment seven
Referring to Fig. 7, Fig. 7 is the structural schematic diagram of another user terminal disclosed by the embodiments of the present invention.Such as Fig. 7 institutes
Show, which may include：
It is stored with the memory 701 of executable program code；
The processor 702 coupled with memory 701；
Wherein, processor 702 calls the executable program code stored in memory 701, and it is any one to execute Fig. 1~Fig. 3
Kind searches network control method based on user terminal.
The embodiment of the present invention discloses a kind of computer readable storage medium, stores computer program, wherein the computer
Program makes computer execute Fig. 1~Fig. 3, and any one based on user terminal searches network control method.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium include read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory,
RAM), programmable read only memory (Programmable Read-only Memory, PROM), erasable programmable is read-only deposits
Reservoir (Erasable Programmable Read Only Memory, EPROM), disposable programmable read-only memory (One-
Time Programmable Read-Only Memory, OTPROM), the electronics formula of erasing can make carbon copies read-only memory
(Electrically-Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact
Disc Read-Only Memory, CD-ROM) or other disk storages, magnetic disk storage, magnetic tape storage or can
Any other computer-readable medium for carrying or storing data.
In the above-described embodiments, it can be realized wholly or partly by software, hardware, firmware or its arbitrary combination.When
When using software realization, can entirely or partly it realize in the form of a computer program product.The computer program product packet
Include one or more computer instructions.When loading on computers and executing the computer program instructions, entirely or partly
It generates according to the flow or function described in the embodiment of the present application.The computer can be all-purpose computer, special purpose computer, calculating
Machine network or other programmable devices.The computer instruction can store in a computer-readable storage medium, Huo Zhecong
One computer readable storage medium is transmitted to another computer readable storage medium, for example, the computer instruction can be with
Pass through wired (such as coaxial cable, optical fiber, Digital Subscriber Line) from a web-site, computer, server or data center
Or wireless (such as infrared, wireless, microwave etc.) mode is transmitted to another web-site, computer, server or data center.
The computer-readable medium can be that any usable medium that computer can access either can be used comprising one or more
The data storage devices such as medium integrated server, data center.The usable medium can be magnetic medium (magnetic medium example
Such as can be floppy disk, hard disk, tape), optical medium (such as CD) or semiconductor medium (such as solid state disk).Above-mentioned
It in embodiment, all emphasizes particularly on different fields to the description of each embodiment, there is no the part being described in detail in some embodiment, may refer to other
The associated description of embodiment.
In several embodiments provided herein, it should be understood that disclosed device, it can be by others side
Formula is realized.For example, the apparatus embodiments described above are merely exemplary, for example, said units division, only
A kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussion phase
Coupling, direct-coupling or communication connection between mutually can be by some interfaces, the INDIRECT COUPLING or communication link of device or unit
It connects, can be electrical or other forms.
The above-mentioned unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can is located at a place, or may be distributed over multiple nets
On network unit.Some or all of wherein unit can be selected according to the actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, can also be
Each unit physically exists alone, can also be during two or more units are integrated in one unit.Above-mentioned integrated unit
Both the form that hardware may be used is realized, can also be realized in the form of SFU software functional unit.
If above-mentioned integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product,
A retrievable memory of computer can be stored in.Based on this understanding, the technical solution of the application substantially or
Say all or part of of the part that contributes to existing technology or the technical solution, it can body in the form of software products
Reveal and, which is stored in a memory, including several requests are used so that a computer equipment
(can be personal computer, server or network equipment etc., can be specifically the processor in computer equipment) executes sheet
The all or part of step of each embodiment above method of application.
The above, above example are only to illustrate the technical solution of the application rather than its limitations；Although with reference to before
Embodiment is stated the application is described in detail, however it will be understood by those of ordinary skill in the art that；It still can be with
Technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；And
These modifications or replacements, the spirit and model of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (10)
1. a kind of searching network control method based on user terminal, which is characterized in that the method includes：
The user terminal determines the subscriber identification card type of the user terminal；
The user terminal judge in the disabling PLMN lists got in advance whether include and the subscriber identification card class
The unmatched other equivalent Home PLMN of type；
If not, other equivalent Home PLMN are added in the disabling PLMN lists by the user terminal, obtain more
Disabling PLMN lists after new；
Other PLMNs of the user terminal search in addition to the PLMN that the updated disabling PLMN lists include.
2. according to the method described in claim 1, it is characterized in that, the user terminal adds other equivalent Home PLMN
It adds in the disabling PLMN lists, after obtaining updated disabling PLMN lists, the method further includes：
The user terminal detects the state that is presently in of the user terminal, and be presently in described in judging state whether be
Net state；
If not, the user terminal determines that the user terminal has been resident restricted cell, and the search is executed except described
Other PLMN except the PLMN that updated disabling PLMN lists include.
3. according to the method described in claim 1, it is characterized in that, user terminal search removes the updated disabling
After other PLMN except the PLMN that PLMN lists include, the method further includes：
The user terminal selecting target PLMN；Wherein, other PLMN include the target PLMN；
The user terminal searches for Target cell corresponding with the target PLMN according to the cell information to prestore, and judges institute
Whether the signal quality for stating Target cell is greater than or equal to preset standard signal quality；
If so, the user terminal is resident the Target cell.
4. according to the method described in claim 3, it is characterized in that, the user terminal according to prestore cell information search with
The corresponding Target cells of target PLMN, including：
The user terminal is according to the cell information to prestore and based on small between co-frequency cell, alien-frequency district and different system
The search order in area searches for Target cell corresponding with the target PLMN.
5. method according to claim 3 or 4, which is characterized in that the user terminal selecting target PLMN, including：
The user terminal is based on registered PLMN and equivalent PLMN, ownership HPLMN, user's control UPLMN and operator's control
The selecting sequence of PLMN processed, selection target PLMN.
6. a kind of user terminal, which is characterized in that the user terminal includes：
First determination unit, the subscriber identification card type for determining the user terminal；
First judging unit, in the disabling PLMN lists for judging to get in advance whether include and the user identity identification
The unmatched other equivalent Home PLMN of Card Type；
Adding device, for judging not including in the disabling PLMN lists got in advance in first judging unit
After the unmatched other equivalent Home PLMN of the subscriber identification card type, by other equivalent ownership
PLMN is added in the disabling PLMN lists, obtains updated disabling PLMN lists；
First search unit, for searching for other PLMN in addition to the PLMN that the updated disabling PLMN lists include.
7. user terminal according to claim 6, which is characterized in that the user terminal further includes：
Detection unit, for other equivalent Home PLMN to be added to the disabling PLMN lists in the adding device
In, after obtaining updated disabling PLMN lists, that detects the user terminal is presently in state；
Second judgment unit described is presently in whether state is in net state for judging；
Second determination unit is presently in state not to be described in net state for judging in the second judgment unit except described
Later, determine that the user terminal has been resident restricted cell；
First search unit, specifically for determining that the user terminal has been resident restricted cell in second determination unit
Later, other PLMNs of the search in addition to the PLMN that the updated disabling PLMN lists include.
8. user terminal according to claim 6, which is characterized in that the user terminal further includes：
Selecting unit, for first search unit search except it is described it is updated disabling PLMN lists include PLMN it
After outer other PLMN, selection target PLMN；Wherein, other PLMN include the target PLMN；
Second search unit, for searching for Target cell corresponding with the target PLMN according to the cell information to prestore；
Third judging unit, for judging whether the signal quality of the Target cell is greater than or equal to preset standard signal matter
Amount；
Resident element, for judging the signal quality of the Target cell greater than or equal to described in the third judging unit
After preset standard signal quality, it is resident the Target cell.
9. user terminal according to claim 8, which is characterized in that second search unit is specifically used for according to pre-
The cell information deposited and based on the search order of cell between co-frequency cell, alien-frequency district and different system, search and institute
State the corresponding Target cells of target PLMN.
10. user terminal according to claim 8 or claim 9, which is characterized in that the selecting unit is specifically used for based on
The selecting sequence for registering PLMN and equivalent PLMN, ownership HPLMN, user's control UPLMN and operator control PLMN, selects mesh
Mark PLMN.
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