CN106804057A - Method for searching network and device under a kind of double-standby terminal off-grid state - Google Patents
Method for searching network and device under a kind of double-standby terminal off-grid state Download PDFInfo
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- CN106804057A CN106804057A CN201510836446.2A CN201510836446A CN106804057A CN 106804057 A CN106804057 A CN 106804057A CN 201510836446 A CN201510836446 A CN 201510836446A CN 106804057 A CN106804057 A CN 106804057A
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- standby terminal
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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 present invention provides the method for searching network and device under a kind of double-standby terminal off-grid state, and the method for searching network includes：The neighboring BS information for obtaining the persistent district of in running order standard or the persistent district list for obtaining the double-standby terminal storage；The neighboring BS information of the persistent district according to the standard or the persistent district list of double-standby terminal storage, search for efficient cell；If searching efficient cell, the standard in off-grid state is resident to the efficient cell.The embodiment of the present invention realizes quick method for searching network increase power consumption of terminal and the load be resident, solve the problems, such as prior art.
Description
Technical field
The present invention relates to communication technical field, the method for searching network under more particularly to a kind of double-standby terminal off-grid state
And device.
Background technology
Double-standby terminal is that two communication standards are operated simultaneously, and each standard can independently carry out different systems
Signaling process on network.In due to real network, the otherness of each standard network's coverage area can cause
There is the situation of single system or double-standard off-grid in double-standby terminal.Traditional single deck tape-recorder list is treated, dual-card dual-standby terminal is in hair
During raw off-grid, off-grid can be carried out and search flow again, off-grid is needed by as follows search again during：Work as lost terminal
After covering, mobile terminal will select a PLMN, i.e. PLMN (Public Land Mobile
Network), to reach this purpose, two standards of mobile terminal can simultaneously maintain a PLMN list,
These lists are by PLMN according to priority arrangement.In automatic PLMN network selections, terminal will be according to following suitable
Sequence is carried out successively：
1. the PLMN (RPLMN) or the EPLMN of equal value with it of terminal last successful registration；
2. the ownership place PLMN of terminal is HPLMN；
3. from file " the User Controlled PLMN Selector with Access Technology of SIM
The user's control PLMN, abbreviation UPLMN obtained in (the PLMN selections of user's control and access technology) "；
4. from file " the Operator or Controlled PLMN Selector with Access of SIM
The operator control PLMN obtained in Technology (the PLMN selections of operation or control and access technology) ",
Abbreviation OPLMN；
5. others PLMN.
When terminal does not search out any cell in these PLMN lists, terminal can start to carry out full range again
Section frequency sweep, search terminal supports the frequency range of all standards.If again without searching any cell, then
Terminal may proceed to carry out full frequency band frequency sweep, is performed repeatedly until and searches efficient cell and then be resident.
When two standards of double-standby terminal constantly search for network simultaneously, it is resident until there is efficient cell, can be big
It is big to increase power consumption of terminal, and increase terminal works load.
To sum up, the scheme of searching is from reading terminals hardware information and local plmn to existing multimode terminal off-grid again
List determines to need the network mode of search, but with the popularization of multimode, increasing terminal all starts
The multiple types such as TD-LTE, FDD LTE, TD-SCDMA, WCDMA, GSM are supported, this is caused
Currently existing scheme is very narrow using face, it is impossible to which effective a large amount of reduction terminals search net duration and reduction is searched net and brought
Power consumption.Prior art reads local plmn list and carries out web search, the change to terminal present position
Can not make and timely react, it is inadequate that such as terminal carries out local plmn search when being roamed, only
's；Two double-standby terminals will respectively carry out two cell searchings of standard simultaneously, and it is multiple that the process can increase search
Miscellaneous degree, causes search difficult, and time-consuming.
The content of the invention
It is an object of the invention to provide method for searching network and device under a kind of double-standby terminal off-grid state, solve
Network can be constantly searched under terminal off-grid state in the prior art, the problem of power consumption of terminal is greatly increased.
In order to achieve the above object, the embodiment of the present invention to be provided and search net side under a kind of double-standby terminal off-grid state
Method, including：
Obtain the neighboring BS information of the persistent district of in running order standard or obtain the double-standby terminal and deposit
The persistent district list of storage；
The neighboring BS information of the persistent district according to the standard or the persistent district row of double-standby terminal storage
Table, searches for efficient cell；
If searching efficient cell, the standard in off-grid state is resident to the efficient cell.
Wherein, the method for searching network also includes：
If not searching efficient cell, the standard in off-grid state carries out full frequency band search；
If full frequency band searches efficient cell when searching for, the standard in off-grid state is entered to the efficient cell
Row is resident；
If full frequency band does not search efficient cell when searching for, standard sleep first of the control in off-grid state is pre-
If full frequency band search is carried out after duration again, until searching efficient cell.
Wherein, the method for searching network also includes：
If two standards of the double-standby terminal are in off-grid state, and in off-grid state two standards
Carry out full frequency band and do not search the number of times of efficient cell more than a threshold value, control the double-standby terminal to enter
Enter offline mode, offline mode is closed after the preset duration of offline mode second is entered and is carried out again complete
Frequency band search.
Wherein, the neighboring BS information of the persistent district for obtaining in running order standard or acquisition are described
The step of persistent district list of double-standby terminal storage, includes：
When the first standard of the double-standby terminal is in off-grid state, the second in running order system is obtained
The neighboring BS information of the persistent district of formula.
Wherein, the neighboring BS information of the persistent district according to the standard or the double-standby terminal are stored
The step of persistent district list, search efficient cell, includes：
Efficient cell is searched for from the neighboring BS information of the persistent district of second standard.
Wherein, the neighboring BS information of the persistent district for obtaining in running order standard or acquisition are described
The step of persistent district list of double-standby terminal storage, includes：
When the first standard of the double-standby terminal is in off-grid state, and in running order the second standard
When persistent district does not provide neighboring BS information, the persistent district list of the double-standby terminal storage is obtained.
Wherein, the neighboring BS information of the persistent district according to the standard or the double-standby terminal are stored
The step of persistent district list, search efficient cell, includes：
The target that the double-standby terminal was once resident is obtained from the persistent district list of double-standby terminal storage
Public land mobile network PLMN and frequency band list；
Efficient cell is searched in the frequency range supported from the target public land mobile network PLMN.
Wherein, the neighboring BS information of the persistent district for obtaining in running order standard or acquisition are described
The step of persistent district list of double-standby terminal storage, includes：
When two standards of the double-standby terminal are in off-grid state, the double-standby terminal storage is obtained
Persistent district list.
Wherein, the neighboring BS information of the persistent district according to the standard or the double-standby terminal are stored
The step of persistent district list, search efficient cell, includes：
The target that the double-standby terminal was once resident is obtained from the persistent district list of double-standby terminal storage
Public land mobile network PLMN and frequency band list；
Efficient cell is searched in the frequency range supported from the target public land mobile network PLMN.
The embodiment of the present invention also to be provided and search net device under a kind of double-standby terminal off-grid state, including：
Acquisition module, neighboring BS information or acquisition for obtaining the persistent district of in running order standard
The persistent district list of the double-standby terminal storage；
Search module, neighboring BS information or the double-standby terminal for the persistent district according to the standard are deposited
The persistent district list of storage, searches for efficient cell；
First resident module, if for searching efficient cell, the standard in off-grid state is to described effective
Cell is resident.
Wherein, the net device of searching also includes：
First full range search module, if for not searching efficient cell, the standard in off-grid state is carried out
Full frequency band is searched for；
Second resident module, if searching efficient cell when being searched for for full frequency band, the system in off-grid state
Formula is resident to the efficient cell；
Second full range search module, if not searching efficient cell when being searched for for full frequency band, control is in de-
Full frequency band search is carried out again after standard first preset duration of sleep of net state, it is effectively small until searching
Area.
Wherein, the net device of searching also includes：
3rd full range search module, if off-grid state is in for two standards of the double-standby terminal, and
Two standards in off-grid state carry out full frequency band and do not search the number of times of efficient cell more than a thresholding
Value, controls the double-standby terminal to enter offline mode, is closed after the preset duration of offline mode second is entered
Close offline mode and carry out full frequency band search again.
Wherein, the acquisition module includes：
First acquisition submodule, for when the first standard of the double-standby terminal is in off-grid state, obtaining
The neighboring BS information of the persistent district of the second in running order standard.
Wherein, the search module includes：
First search submodule, for searching for effective from the neighboring BS information of the persistent district of second standard
Cell.
Wherein, the acquisition module includes：
Second acquisition submodule, is in off-grid state, and be in for the first standard when the double-standby terminal
When the persistent district of the second standard of working condition does not provide neighboring BS information, the double-standby terminal storage is obtained
Persistent district list.
Wherein, the search module includes：
Second search submodule, for obtaining described pair in the persistent district list that store from the double-standby terminal
Treat target public land mobile network PLMN and frequency band list that terminal was once resident；
3rd search submodule, in the frequency range supported from the target public land mobile network PLMN
Search efficient cell.
Wherein, the acquisition module includes：
3rd acquisition submodule, for when two standards of the double-standby terminal are in off-grid state, obtaining
Take the persistent district list of the double-standby terminal storage.
Wherein, the search module includes：
Second search submodule, for obtaining described pair in the persistent district list that store from the double-standby terminal
Treat target public land mobile network PLMN and frequency band list that terminal was once resident；
3rd search submodule, in the frequency range supported from the target public land mobile network PLMN
Search efficient cell.
Above-mentioned technical proposal of the invention at least has the advantages that：
In method for searching network and device under the double-standby terminal off-grid state of the embodiment of the present invention, a standard off-grid
When efficient cell is chosen from neighboring BS information so that off-grid standard is resident rapidly；And in two standards all off-grids
When, according to persistent district list search efficient cell, fast search is realized, effectively reduce when searching net of terminal
It is long, reduce power consumption of terminal.
Brief description of the drawings
Fig. 1 represents the basic step of the method for searching network under double-standby terminal off-grid state provided in an embodiment of the present invention
Flow chart；
Fig. 2 represents the composition structure for searching net device under double-standby terminal off-grid state provided in an embodiment of the present invention
Figure.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with attached
Figure and specific embodiment are described in detail.
The present invention greatly increases terminal work(for can constantly search for network under terminal off-grid state in the prior art
The problem of consumption, there is provided in the method for searching network and device under a kind of double-standby terminal off-grid state, a standard off-grid
When efficient cell is chosen from neighboring BS information so that off-grid standard is resident rapidly；And in two standards all off-grids
When, according to persistent district list search efficient cell, fast search is realized, effectively reduce when searching net of terminal
It is long, reduce power consumption of terminal.
As shown in figure 1, the embodiment of the present invention also provides the method for searching network under a kind of double-standby terminal off-grid state,
Including：
Step 11, obtains the neighboring BS information of the persistent district of in running order standard or obtains described double
Treat the persistent district list of terminal storage；
What step 12, the neighboring BS information of the persistent district according to the standard or the double-standby terminal were stored stays
Cell list is stayed, efficient cell is searched for；
Step 13, if searching efficient cell, the standard in off-grid state is stayed to the efficient cell
Stay.
Method for searching network provided in an embodiment of the present invention is main to be carried out according to neighboring BS information or persistent district list
Fast search, reduces the power consumption searched net duration, reduce terminal of terminal.
Specifically, when the first standard of the double-standby terminal is in off-grid state, step 11 is：At acquisition
In the neighboring BS information of the persistent district of the second standard of working condition.Accordingly, step 12 is：From described
Efficient cell is searched in the neighboring BS information of the persistent district of two standards.I.e. when a standard off-grid of double-standby terminal
When, network is chosen using the neighboring BS information of the persistent district of another standard, so as to realize fast network selection, plus
Net duration is searched in big reduction.
If the cell that another standard (the second standard) is resident does not provide neighboring BS information, or off-grid standard
The neighboring BS information of offer is not searched, then step 11 is：Obtain the persistent district row of the double-standby terminal storage
Table.Accordingly, step 12 is：Described pair is obtained from the persistent district list of double-standby terminal storage to treat
Target public land mobile network PLMN and frequency band list that terminal was once resident；It is public from the target
Efficient cell is searched in the frequency range that land mobile network PLMN is supported.I.e. when the first system of the double-standby terminal
Formula is in off-grid state, and the persistent district of the second in running order standard is not when providing neighboring BS information,
The persistent district list stored in reading terminals, according to list information determine PLMN that terminal was once resident and
Band (frequency range) list, and then cell searching is carried out in the band that corresponding PLMN is supported, in search
It is resident immediately after to cell, net duration is searched so as to be significantly reduced cell.
Further, in two standard all off-grids, step 11 is：Obtain staying for the double-standby terminal storage
Stay cell list.Accordingly, step 12 is：Obtained from the persistent district list of double-standby terminal storage
Target public land mobile network PLMN and frequency band list that the double-standby terminal was once resident；And from institute
Efficient cell is searched in the frequency range for stating target public land mobile network PLMN supports.I.e. when two standards all
During off-grid, the persistent district list stored in reading terminals determines what terminal was once resident according to list information
PLMN and Band (frequency range) list, and then carry out cell and search in the band that corresponding PLMN is supported
Rope, is resident immediately after cell is searched, and net duration is searched so as to be significantly reduced cell.
If preferably, not searching any efficient cell, off-grid state by step 11 and step 12
Standard enter the full frequency band search phase, i.e., the present invention provide method for searching network also include：
Step 14, if not searching efficient cell, the standard in off-grid state carries out full frequency band search；
Step 15, if full frequency band searches efficient cell when searching for, the standard in off-grid state has to described
Effect cell is resident；
Step 16, if full frequency band does not search efficient cell when searching for, standard of the control in off-grid state is slept
Full frequency band search is carried out again after first preset duration of sleeping, until searching efficient cell.
If it should be noted that when carrying out the search of first time full frequency band, searching efficient cell, then off-grid system
Formula carries out cell and is resident；If first time full frequency band does not search efficient cell, control is in off-grid shape
Full frequency band search is carried out again after standard first preset duration of sleep of state, that is, increased full frequency band search
Period distances so that terminal enters sleep pattern, reduction is searched net duration and is reduced and searches the brought power consumption of net.
Specifically, being carried out in the case that the search of full frequency band do not find any efficient cell in standard, the standard
Module can enter sleep pattern, and the duration of sleep is set to Sn=ASn-1+B(n>0, and be integer), wherein
A, B are constant, SnIt is the sleep duration after the search of n-th periodicity full range, S0=0.A and B can basis
Standard is supported the difference of standard and is sized.
Further, for two equal off-grids of standard and search less than any useful signal when, the present invention provide
Method for searching network can control terminal enter offline mode, power consumption of terminal is reduced with this.If specifically, described
Two standards of double-standby terminal are in off-grid state, and in off-grid state two standards carry out full frequency band
The number of times of efficient cell is not searched more than a threshold value, controls the double-standby terminal to enter offline mode,
Offline mode is closed after the preset duration of offline mode second is entered and full frequency band search is carried out again.Tool
Body, when in two standard off-grids of terminal and repeatedly carrying out full frequency band and do not search out efficient cell, terminal general
Independently enter offline mode, the communication module and RF hardware closed a terminal, the time of offline mode is by public affairs
Formula T_air=T*n is obtained, and wherein T is acquiescence flight time unit time, may be set to 10mins, n
GC group connector n-th carries out full frequency band search, and after offline mode timer terminates, terminal closes flight mould
Formula carries out full frequency band search again.This programme has done formula to terminal into offline mode duration, makes duration root
The duration of the non-network area of coverage is according to terminal and change, after the terminal entering network area of coverage, terminal flight
Pattern be can search for network and be resident after terminating, and terminal can be made to carry out normal network communicating function, without
Be terminal is remained offline mode, it is necessary to user close the offline mode program in a manual manner can be at end
During the long-time off-grid of end, the power consumption of terminal is greatly reduced.
To sum up, in the method for searching network under double-standby terminal off-grid state provided in an embodiment of the present invention, using not taking off
The neighboring BS information that the standard of net is provided, can be such that off-grid standard is resident rapidly；Or stored using in terminal
PLMN lists, standard is carried out fast search, can effectively reduce terminal searches net duration；Or
When terminal carries out the search of periodicity full frequency band, sleep mechanism is added, can effectively reduce and disappear because of search
The power consumption of consumption；Or multiple full frequency band do not search out efficient cell and two standards all off-grids in the case of
Autonomous to enter periodicity offline mode, the full frequency band for making terminal reduce without reason is searched for, and is significantly reduced because of network
Power consumption caused by search.
It should be noted that the embodiment of the present invention is applicable not only to double-standby terminal, for other terminals, such as
Terminal is singly treated, two standards for searching net mode and double-standby terminal provided in an embodiment of the present invention of terminal off-grid are singly treated
Equal off-grid to search net mode identical, be not described in detail herein；Such as three terminal or other multi-standby terminals are treated,
It is provided in an embodiment of the present invention to search that net mode is equally applicable, belong to the protection domain of the application.
In order to preferably realize above-mentioned purpose, as shown in Fig. 2 the embodiment of the present invention also provides a kind of pair treats end
Net device is searched under the off-grid state of end, including：
Acquisition module 21, for obtaining the neighboring BS information of the persistent district of in running order standard or obtaining
Take the persistent district list of the double-standby terminal storage；
Search module 22, neighboring BS information or the double-standby terminal for the persistent district according to the standard
The persistent district list of storage, searches for efficient cell；
First resident module 23, if for searching efficient cell, the standard in off-grid state has to described
Effect cell is resident.
Specifically, in the above embodiment of the present invention, the net device of searching also includes：
First full range search module, if for not searching efficient cell, the standard in off-grid state is carried out
Full frequency band is searched for；
Second resident module, if searching efficient cell when being searched for for full frequency band, the system in off-grid state
Formula is resident to the efficient cell；
Second full range search module, if not searching efficient cell when being searched for for full frequency band, control is in de-
Full frequency band search is carried out again after standard first preset duration of sleep of net state, it is effectively small until searching
Area.
Specifically, in the above embodiment of the present invention, the net device of searching also includes：
3rd full range search module, if off-grid state is in for two standards of the double-standby terminal, and
Two standards in off-grid state carry out full frequency band and do not search the number of times of efficient cell more than a thresholding
Value, controls the double-standby terminal to enter offline mode, is closed after the preset duration of offline mode second is entered
Close offline mode and carry out full frequency band search again.
Specifically, in the above embodiment of the present invention, the acquisition module includes：
First acquisition submodule, for when the first standard of the double-standby terminal is in off-grid state, obtaining
The neighboring BS information of the persistent district of the second in running order standard.
Specifically, in the above embodiment of the present invention, the search module includes：
First search submodule, for searching for effective from the neighboring BS information of the persistent district of second standard
Cell.
Specifically, in the above embodiment of the present invention, the acquisition module includes：
Second acquisition submodule, is in off-grid state, and be in for the first standard when the double-standby terminal
When the persistent district of the second standard of working condition does not provide neighboring BS information, the double-standby terminal storage is obtained
Persistent district list.
Specifically, in the above embodiment of the present invention, the search module includes：
Second search submodule, for obtaining described pair in the persistent district list that store from the double-standby terminal
Treat target public land mobile network PLMN and frequency band list that terminal was once resident；
3rd search submodule, in the frequency range supported from the target public land mobile network PLMN
Search efficient cell.
Specifically, in the above embodiment of the present invention, the acquisition module includes：
3rd acquisition submodule, for when two standards of the double-standby terminal are in off-grid state, obtaining
Take the persistent district list of the double-standby terminal storage.
Specifically, in the above embodiment of the present invention, the search module includes：
Second search submodule, for obtaining described pair in the persistent district list that store from the double-standby terminal
Treat target public land mobile network PLMN and frequency band list that terminal was once resident；
3rd search submodule, in the frequency range supported from the target public land mobile network PLMN
Search efficient cell.
It should be noted that the net device of searching under provided in an embodiment of the present invention pair of terminal off-grid state is application
Method for searching network under above-mentioned pair of terminal off-grid state searches net device, then searching under above-mentioned pair of terminal off-grid state
All embodiments and its advantage of network method are applied under this pair of terminal off-grid state searches net device.
The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (18)
1. the method for searching network under a kind of double-standby terminal off-grid state, it is characterised in that including：
Obtain the neighboring BS information of the persistent district of in running order standard or obtain the double-standby terminal and deposit
The persistent district list of storage；
The neighboring BS information of the persistent district according to the standard or the persistent district row of double-standby terminal storage
Table, searches for efficient cell；
If searching efficient cell, the standard in off-grid state is resident to the efficient cell.
2. the method for searching network under double-standby terminal off-grid state according to claim 1, it is characterised in that
The method for searching network also includes：
If not searching efficient cell, the standard in off-grid state carries out full frequency band search；
If full frequency band searches efficient cell when searching for, the standard in off-grid state is entered to the efficient cell
Row is resident；
If full frequency band does not search efficient cell when searching for, standard sleep first of the control in off-grid state is pre-
If full frequency band search is carried out after duration again, until searching efficient cell.
3. the method for searching network under double-standby terminal off-grid state according to claim 2, it is characterised in that
The method for searching network also includes：
If two standards of the double-standby terminal are in off-grid state, and in off-grid state two standards
Carry out full frequency band and do not search the number of times of efficient cell more than a threshold value, control the double-standby terminal to enter
Enter offline mode, offline mode is closed after the preset duration of offline mode second is entered and is carried out again complete
Frequency band search.
4. the method for searching network under the double-standby terminal off-grid state according to claim 1 or 3, its feature exists
In end is treated in the neighboring BS information of the persistent district for obtaining in running order standard or described pair of acquisition
The step of persistent district list for holding storage, includes：
When the first standard of the double-standby terminal is in off-grid state, the second in running order system is obtained
The neighboring BS information of the persistent district of formula.
5. the method for searching network under double-standby terminal off-grid state according to claim 4, it is characterised in that
The neighboring BS information of the persistent district according to the standard or the persistent district row of double-standby terminal storage
The step of table, search efficient cell, includes：
Efficient cell is searched for from the neighboring BS information of the persistent district of second standard.
6. the method for searching network under the double-standby terminal off-grid state according to claim 1 or 3, its feature exists
In end is treated in the neighboring BS information of the persistent district for obtaining in running order standard or described pair of acquisition
The step of persistent district list for holding storage, includes：
When the first standard of the double-standby terminal is in off-grid state, and in running order the second standard
When persistent district does not provide neighboring BS information, the persistent district list of the double-standby terminal storage is obtained.
7. the method for searching network under double-standby terminal off-grid state according to claim 6, it is characterised in that
The neighboring BS information of the persistent district according to the standard or the persistent district row of double-standby terminal storage
The step of table, search efficient cell, includes：
The target that the double-standby terminal was once resident is obtained from the persistent district list of double-standby terminal storage
Public land mobile network PLMN and frequency band list；
Efficient cell is searched in the frequency range supported from the target public land mobile network PLMN.
8. the method for searching network under the double-standby terminal off-grid state according to claim 1 or 3, its feature exists
In end is treated in the neighboring BS information of the persistent district for obtaining in running order standard or described pair of acquisition
The step of persistent district list for holding storage, includes：
When two standards of the double-standby terminal are in off-grid state, the double-standby terminal storage is obtained
Persistent district list.
9. the method for searching network under double-standby terminal off-grid state according to claim 8, it is characterised in that
The neighboring BS information of the persistent district according to the standard or the persistent district row of double-standby terminal storage
The step of table, search efficient cell, includes：
The target that the double-standby terminal was once resident is obtained from the persistent district list of double-standby terminal storage
Public land mobile network PLMN and frequency band list；
Efficient cell is searched in the frequency range supported from the target public land mobile network PLMN.
10. net device is searched under a kind of double-standby terminal off-grid state, it is characterised in that including：
Acquisition module, neighboring BS information or acquisition for obtaining the persistent district of in running order standard
The persistent district list of the double-standby terminal storage；
Search module, neighboring BS information or the double-standby terminal for the persistent district according to the standard are deposited
The persistent district list of storage, searches for efficient cell；
First resident module, if for searching efficient cell, the standard in off-grid state is to described effective
Cell is resident.
Net device is searched under 11. double-standby terminal off-grid states according to claim 10, it is characterised in that
The net device of searching also includes：
First full range search module, if for not searching efficient cell, the standard in off-grid state is carried out
Full frequency band is searched for；
Second resident module, if searching efficient cell when being searched for for full frequency band, the system in off-grid state
Formula is resident to the efficient cell；
Second full range search module, if not searching efficient cell when being searched for for full frequency band, control is in de-
Full frequency band search is carried out again after standard first preset duration of sleep of net state, it is effectively small until searching
Area.
Net device is searched under 12. double-standby terminal off-grid states according to claim 11, it is characterised in that
The net device of searching also includes：
3rd full range search module, if off-grid state is in for two standards of the double-standby terminal, and
Two standards in off-grid state carry out full frequency band and do not search the number of times of efficient cell more than a thresholding
Value, controls the double-standby terminal to enter offline mode, is closed after the preset duration of offline mode second is entered
Close offline mode and carry out full frequency band search again.
Net device is searched under the 13. double-standby terminal off-grid state according to claim 10 or 12, its feature
It is that the acquisition module includes：
First acquisition submodule, for when the first standard of the double-standby terminal is in off-grid state, obtaining
The neighboring BS information of the persistent district of the second in running order standard.
Net device is searched under 14. double-standby terminal off-grid states according to claim 13, it is characterised in that
The search module includes：
First search submodule, for searching for effective from the neighboring BS information of the persistent district of second standard
Cell.
Net device is searched under the 15. double-standby terminal off-grid state according to claim 10 or 12, its feature
It is that the acquisition module includes：
Second acquisition submodule, is in off-grid state, and be in for the first standard when the double-standby terminal
When the persistent district of the second standard of working condition does not provide neighboring BS information, the double-standby terminal storage is obtained
Persistent district list.
Net device is searched under 16. double-standby terminal off-grid states according to claim 15, it is characterised in that
The search module includes：
Second search submodule, for obtaining described pair in the persistent district list that store from the double-standby terminal
Treat target public land mobile network PLMN and frequency band list that terminal was once resident；
3rd search submodule, in the frequency range supported from the target public land mobile network PLMN
Search efficient cell.
Net device is searched under the 17. double-standby terminal off-grid state according to claim 10 or 12, its feature
It is that the acquisition module includes：
3rd acquisition submodule, for when two standards of the double-standby terminal are in off-grid state, obtaining
Take the persistent district list of the double-standby terminal storage.
Net device is searched under 18. double-standby terminal off-grid states according to claim 17, it is characterised in that
The search module includes：
Second search submodule, for obtaining described pair in the persistent district list that store from the double-standby terminal
Treat target public land mobile network PLMN and frequency band list that terminal was once resident；
3rd search submodule, in the frequency range supported from the target public land mobile network PLMN
Search efficient cell.
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Application publication date: 20170606 |