CN104244339A - Method and terminal for obtaining cell reselection list - Google Patents
Method and terminal for obtaining cell reselection list Download PDFInfo
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- CN104244339A CN104244339A CN201310231304.4A CN201310231304A CN104244339A CN 104244339 A CN104244339 A CN 104244339A CN 201310231304 A CN201310231304 A CN 201310231304A CN 104244339 A CN104244339 A CN 104244339A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
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Abstract
The invention provides a method and terminal for obtaining a cell reselection list. The method comprises the steps that a first adjacent cell list and a second adjacent cell list of the cell where the terminal is located are obtained in different modes, and the cell reselection list is obtained according to the first adjacent cell list and the second adjacent cell list. By means of the implementation of the method and terminal for obtaining the cell reselection list, the first adjacent cell list and the second adjacent cell list are obtained in the different modes, and the cell reselection list is obtained according to the two lists. The problem in the prior art that the mode for obtaining the cell reselection list is too simplex is resolved, and the usage experience is improved for terminal users.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of cell reselection list acquisition methods and terminal.
Background technology
Along with the development of the communication technology, the application of mobile terminal is more and more extensive, the communication network of each mobile operator is also in fast development, the access process of mobile terminal and each network, series of problems can have been caused, particularly mobile terminal is when mobile, cell reselection can occur, to ensure the continuity communicated; And switching flatness during mobile terminal gravity treatment and communication lasts stability, the performance determining terminal is to a great extent good and bad, and the experience sense of visual influence user is subject to.
Specify according to 3GPP agreement TS23.122, when mobile terminal select certain community as current Serving cell after, when this Cell level signal intensity is little, mobile terminal will reside on this community, after this, and be ensure to obtain to continue and high-quality service, mobile terminal can be measured the network environment residing for it, comprise community, mobile terminal place and adjacent cell, and when meeting cell re-selection conditions, mobile terminal by gravity treatment to service quality and/or the better community of signal strength signal intensity.
Current, mobile terminal obtains adjacent cell messaging parameter by the system information in network broadcast message, and mobile terminal is safeguarded neighbor cell list again, is next step cell reselection service, the mode of this acquisition cell reselection list is single, and place one's entire reliance upon network broadcast message, often there are some unpredictable problems in the acquisition of broadcast system information under complex network environment, as, SIB11(measuring control information is not carried in broadcast) message etc., the problem cannot carrying out cell reselection can be caused, affect normal use and the intuitional and experiential thinking of user, and for example, when terminal uses in moving process, the change of network is numerous and complicated, if in this case network broadcast message feedback neighbor cell list in endless can community, then can fall the situation of net, transfer of data for user is totally unfavorable.
Therefore, providing a kind of cell reselection list acquisition methods can solve in current techniques the mode obtaining cell reselection list single and too rely on the problem of network broadcast message, is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
The invention provides a kind of cell reselection list acquisition methods and terminal, solve in prior art the problem that the mode that obtains cell reselection list is too single.
The invention provides a kind of cell reselection list acquisition methods, in one embodiment, the method comprises: the first neighbor cell list and the second neighbor cell list that are obtained community, terminal place by different modes; Cell reselection list is obtained according to the first neighbor cell list and the second neighbor cell list.
Further, in the cell reselection list acquisition methods that above-described embodiment provides, the step obtaining the first neighbor cell list of community, terminal place comprises: terminal obtains the messaging parameter of the adjacent cell of its community, place and generates the first neighbor cell list, and messaging parameter comprises cell number and the signal strength values thereof of adjacent cell.
Further, the cell reselection list acquisition methods that above-described embodiment provides also comprises: whether the signal value changing value of its community, place of terminal judges is greater than default change threshold, if so, obtain the messaging parameter of the adjacent cell of its community, place and generate the first neighbor cell list.
Further, in the cell reselection list acquisition methods that above-described embodiment provides, the step obtaining the second neighbor cell list of community, terminal place is specially: terminal receives the communication base station of its community, place to the adjacent cell list that it sends, obtain the messaging parameter of each adjacent cell according to the measuring control information of each adjacent cell, the messaging parameter according to adjacent cell list and each adjacent cell generates the second neighbor cell list.
Further, in the cell reselection list acquisition methods that above-described embodiment provides, the step obtaining cell reselection list according to the first neighbor cell list and the second neighbor cell list is specially: the acquisition time of comparison first neighbor cell list and the second neighbor cell list, using the neighbor cell list corresponding to up-to-date acquisition time as cell reselection list; Or, get union or the common factor of the first neighbor cell list and the second neighbor cell list, generate cell reselection list.
Simultaneously, present invention also offers a kind of terminal, in one embodiment, this terminal comprises list acquisition module and List Generating Module, wherein, list acquisition module is used for the first neighbor cell list and the second neighbor cell list that are obtained community, terminal place by different modes; List Generating Module is used for obtaining cell reselection list according to the first neighbor cell list and the second neighbor cell list.
Beneficial effect of the present invention:
Cell reselection list acquisition methods provided by the invention and terminal, first, second neighbor cell list is obtained respectively by different modes, and obtain cell reselection list according to these two lists, solve in prior art the problem that the mode that obtains cell reselection list is too single; The messaging parameter of its cell neighbor cell, place of terminal automatic acquisition also generates the first neighbor cell list, the cell reselection list acquisition methods solved existing for prior art places one's entire reliance upon the problem of system broadcast message, enhances the experience of terminal use.
Accompanying drawing explanation
The schematic diagram of the cell reselection list acquisition methods that Fig. 1 provides for one embodiment of the invention;
The schematic diagram of the terminal that Fig. 2 provides for one embodiment of the invention;
The schematic diagram of the cell reselection list acquisition methods that Fig. 3 provides for the present invention one application example.
Embodiment
Cell reselection list acquisition methods provided by the present invention can be applied to all terminal possessing cell reselection function, preferably, applied to above the intelligent terminals such as mobile phone, hereafter be described for smart mobile phone, existing being made the present invention by embodiment mode by reference to the accompanying drawings further annotates explanation.
The schematic diagram of the cell reselection list acquisition methods that Fig. 1 provides for one embodiment of the invention, as shown in Figure 1, in the present embodiment, the cell reselection list acquisition methods for terminal housing estate gravity treatment provided by the invention comprises the following steps:
S101: the first neighbor cell list and the second neighbor cell list that are obtained community, terminal place by different modes;
In the present invention, the first neighbor cell list and the second neighbor cell list are the neighbor cell list that terminal is got by different modes, and concrete is:
In one embodiment, the step obtaining the first neighbor cell list of community, terminal place comprises: terminal obtains the messaging parameter of the adjacent cell of its community, place and generates the first neighbor cell list, and messaging parameter comprises cell number and the signal strength values thereof of adjacent cell;
In another embodiment, terminal obtains the messaging parameter of the adjacent cell of its community, place and generates concrete the comprising the following steps again of the first neighbor cell list: whether the signal value changing value of its community, place of terminal judges is greater than default change threshold; If so, obtain the messaging parameter of the adjacent cell of its community, place and generate the first neighbor cell list.In this embodiment, using default change threshold as a trigger condition, predictably, in other embodiments, trigger condition can be arrange an acquisition cycle, first neighbor cell list of its community, place of the acquisition of terminal periodic, trigger condition can also be end users operation terminal, and control terminal obtains the first neighbor cell list of its community, place.
In one embodiment, the step obtaining the second neighbor cell list of community, terminal place is specially: terminal receives the communication base station of its community, place to the adjacent cell list that it sends, obtain the messaging parameter of each adjacent cell according to the measuring control information of each adjacent cell, the messaging parameter according to adjacent cell list and each adjacent cell generates the second neighbor cell list.
S102: obtain cell reselection list according to the first neighbor cell list and the second neighbor cell list;
The method that terminal obtains cell reselection list according to the first neighbor cell list and the second neighbor cell list is varied, in two preferred embodiments of the present invention, specific as follows:
In one embodiment, the step obtaining cell reselection list according to the first neighbor cell list and the second neighbor cell list is specially: the acquisition time of comparison first neighbor cell list and the second neighbor cell list, using the neighbor cell list corresponding to up-to-date acquisition time as cell reselection list; As, the acquisition time of the first neighbor cell list is T1, the acquisition time of the second neighbor cell list is T2, terminal needed to carry out cell reselection in the T3 moment, now suppose that the sequencing in each moment is followed successively by: T1, T2, T3, so, the cell reselection list that terminal carries out cell reselection time institute foundation in the T3 moment is the second neighbor cell list, and the method for this generation cell reselection list has ensured the real-time of cell reselection list;
In another embodiment, the step obtaining cell reselection list according to the first neighbor cell list and the second neighbor cell list is specially: the union of getting the first neighbor cell list and the second neighbor cell list, generates cell reselection list; As, first neighbor cell list comprises community 1,2,3,4, second neighbor cell list comprises community 1,3,4,5, so, terminal is that cell reselection list comprises community 1,2,3,4,5 at the cell reselection list carrying out cell reselection time institute foundation, and the method for this generation cell reselection list has ensured the comprehensive of cell reselection list;
In another embodiment, the step obtaining cell reselection list according to the first neighbor cell list and the second neighbor cell list is specially: the common factor getting the first neighbor cell list and the second neighbor cell list, generates cell reselection list; As, first neighbor cell list comprises community 1,2,3,4, second neighbor cell list comprises community 1,3,4,5, so, terminal is that cell reselection list comprises community 1,3,4 at the cell reselection list carrying out cell reselection time institute foundation, and the method for this generation cell reselection list has ensured the accuracy of cell reselection list.
The schematic diagram of the terminal that Fig. 2 provides for one embodiment of the invention; As shown in Figure 2, in this embodiment, terminal 2 provided by the invention comprises list acquisition module 21 and List Generating Module 22, wherein,
List acquisition module 21 is for obtaining the first neighbor cell list and second neighbor cell list of community, terminal 2 place by different modes;
List Generating Module 22 is for obtaining cell reselection list according to the first neighbor cell list and the second neighbor cell list.
In other embodiments, list acquisition module 21 in embodiment illustrated in fig. 2 comprises the first acquisition submodule, first obtains submodule for obtaining the messaging parameter of the adjacent cell of community, place and generating the first neighbor cell list, and messaging parameter comprises cell number and the signal strength values thereof of adjacent cell.
In other embodiments, the list acquisition module 21 in above-described embodiment also comprises judgement submodule, judges that submodule is for judging whether the signal value changing value of community, place is greater than default change threshold, if so, then triggers first and obtains submodule.
In other embodiments, list acquisition module 21 in above-described embodiment also comprises the second acquisition submodule, second obtains submodule for receiving the communication base station of its community, place to the adjacent cell list that it sends, obtain the messaging parameter of each adjacent cell according to the measuring control information of each adjacent cell, the messaging parameter according to adjacent cell list and each adjacent cell generates the second neighbor cell list.
In other embodiments, the List Generating Module 22 in embodiment illustrated in fig. 2 specifically for the acquisition time of comparison first neighbor cell list and the second neighbor cell list, using the neighbor cell list corresponding to up-to-date acquisition time as cell reselection list; Or, for getting union or the common factor of the first neighbor cell list and the second neighbor cell list, generate cell reselection list.
Now in conjunction with embody rule example the present invention done and further annotate explanation, in this application example, do following hypothesis: terminal obtains the trigger condition of the first neighbor cell list for presetting a change threshold, and the mode generating cell reselection list according to first, second neighbor cell list adopts three kinds of modes to provide; The schematic diagram of the cell reselection list acquisition methods that Fig. 3 provides for the present invention one application example, as shown in Figure 3, in this application example, cell reselection list acquisition methods provided by the invention comprises the following steps:
S301: endpoint registration is to community;
This step comprises: starting up of terminal, carries out a series of initialization behavior, reads SIM information, telephone directory information etc.; Terminal is initiated PLMN and is selected, and resides on certain network; By band scan and signal search, terminal selects this PLMN Shang Mou community, and resides on this community; After community has been selected, terminal, to network launch position update request, is then responded location updating by network and is accepted, finally complete network registration process.
S302 and S303: when the changing value of signal strength values that terminal detects the community, place that expires is greater than default change threshold, terminal active detecting also obtains the messaging parameter of the adjacent cell of its community, place, generates the first neighbor cell list;
As, the changing value of the signal strength values of community, terminal place is greater than change threshold, and terminal initiates the flow process of the messaging parameter of the adjacent cell obtaining its community, place, to generate the first neighbor cell list.
Messaging parameter in the present embodiment comprises subzone main scramble PSC, the communication network PLMN belonging to community of each community, community label CELL ID, Location Area Identification LAC and cell signal strength value; Wherein, for WCDMA community, signal strength values gets RSCP and ECIO, and for GSM community, signal strength values gets RSSI.
The content of the first neighbor cell list that what following table 1 was exemplary give, specific as follows:
Table 1
S304 and S305: the system broadcast information that terminal receive periodic issues, obtains the second neighbor cell list according to system broadcast information;
What this step was concrete can be: terminal by decoding in BCCH(Broadcast Control Channel) system broadcast message that periodically issues of the system base-station that receives of channel, obtain adjacent cell list and the SIB11 information of its community, place, adjacent cell frequency configuration required for this SIB11 information extraction to cell reselection, and the adjacent cell frequency bcch carrier of configuration is monitored, by 6 bcch carrier information the strongest of decoding, obtain the messaging parameter of each adjacent cell, messaging parameter according to adjacent cell list and each adjacent cell thereof generates the second neighbor cell list.
The content of the second neighbor cell list that what following table 2 was exemplary give, specific as follows:
Table 2
S306: generate cell reselection list according to first, second neighbor cell list;
If terminal needed to initiate cell reselection in " during 8 days 15 June in 2013 40 points 00 second " moment, The present invention gives 3 kinds of generation methods, to be now described respectively; In actual applications, terminal can select a kind of cell reselection list that generates to generate cell reselection list according to actual conditions:
Method one: the acquisition time of comparison first neighbor cell list and the second neighbor cell list, using the neighbor cell list corresponding to up-to-date acquisition time as cell reselection list, the content of the cell reselection list generated in this way is adopted in exemplary the giving of following table 3:
Table 3
Method two: the union of getting the first neighbor cell list and the second neighbor cell list, generate cell reselection list, the content of the cell reselection list generated in this way is adopted in exemplary the giving of following table 4:
Table 4
Method three: the common factor getting the first neighbor cell list and the second neighbor cell list, generate cell reselection list, the content of the cell reselection list generated in this way is adopted in exemplary the giving of following table 5:
Table 5
From above-mentioned record, the cell reselection list that employing method one generates ensure that the real-time of this cell reselection list, the cell reselection list adopting method two to generate ensure that the comprehensive of this cell reselection list, the cell reselection list that employing method three generates ensure that the accuracy of this cell reselection list, three kinds of methods have respective advantage, terminal, in practice, can need selection method to generate cell reselection list according to practical application.
S307: terminal initiates cell reselection operation according to cell reselection list;
Before initiating cell reselection according to cell reselection list, the step of cell reselection list Zhong Ge community being carried out to prioritization according to the size of its signal strength values can also be comprised, and attempt each adjacent cell successively carry out resident, to complete cell reselection according to the cell reselection list of sequence.
In summary, by enforcement of the present invention, at least there is following beneficial effect:
The first, obtain first, second neighbor cell list respectively by different modes, and obtain cell reselection list according to these two lists, solve in prior art the problem that the mode that obtains cell reselection list is too single;
Second, the messaging parameter of its cell neighbor cell, place of terminal automatic acquisition also generates the first neighbor cell list, the cell reselection list acquisition methods solved existing for prior art places one's entire reliance upon the problem of system broadcast message, adds the experience of terminal use;
3rd, terminal is when the signal value of its community, place changes, automatically the adjacent cell of its community, place is detected, and generate the first neighbor cell list, make terminal can command deployment condition, terminal can the signal(l)ing condition of network and/or communication need to arrange change threshold flexibly residing for self, so that automatic acquisition cell reselection list in time, carry out cell reselection for terminal and foundation is provided, ensure that the smooth excessiveness of cell reselection process and the communication quality of terminal, greatly strengthen the experience of terminal use.
Below be only the specific embodiment of the present invention; not any pro forma restriction is done to the present invention; every above execution mode is done according to technical spirit of the present invention any simple modification, equivalent variations or modification, all still belong to the protection range of technical solution of the present invention.
Claims (10)
1. a cell reselection list acquisition methods, is characterized in that, comprising:
The first neighbor cell list and second neighbor cell list of community, terminal place is obtained by different modes;
Cell reselection list is obtained according to described first neighbor cell list and described second neighbor cell list.
2. cell reselection list acquisition methods as claimed in claim 1, it is characterized in that, the step of the first neighbor cell list of community, described acquisition terminal place comprises: terminal obtains the messaging parameter of the adjacent cell of its community, place and generates described first neighbor cell list, and described messaging parameter comprises cell number and the signal strength values thereof of described adjacent cell.
3. cell reselection list acquisition methods as claimed in claim 2, it is characterized in that, also comprise: whether the signal value changing value of its community, place of described terminal judges is greater than default change threshold, if so, obtain the messaging parameter of the adjacent cell of its community, place and generate described first neighbor cell list.
4. cell reselection list acquisition methods as claimed in claim 2, it is characterized in that, the step of the second neighbor cell list of community, described acquisition terminal place is specially: terminal receives the communication base station of its community, place to the adjacent cell list that it sends, obtain the messaging parameter of each adjacent cell according to the measuring control information of each adjacent cell, the messaging parameter according to described adjacent cell list and each adjacent cell generates described second neighbor cell list.
5. the cell reselection list acquisition methods as described in any one of Claims 1-4, it is characterized in that, the described step obtaining cell reselection list according to described first neighbor cell list and described second neighbor cell list is specially: the acquisition time of the first neighbor cell list described in comparison and described second neighbor cell list, using the neighbor cell list corresponding to up-to-date acquisition time as described cell reselection list; Or, get union or the common factor of described first neighbor cell list and described second neighbor cell list, generate described cell reselection list.
6. a terminal, is characterized in that, comprising: list acquisition module and List Generating Module, wherein,
Described list acquisition module is used for the first neighbor cell list and the second neighbor cell list that are obtained community, terminal place by different modes;
Described List Generating Module is used for obtaining cell reselection list according to described first neighbor cell list and described second neighbor cell list.
7. terminal as claimed in claim 6, it is characterized in that, described list acquisition module comprises the first acquisition submodule, described first obtains submodule for obtaining the messaging parameter of the adjacent cell of community, place and generating described first neighbor cell list, and described messaging parameter comprises cell number and the signal strength values thereof of described adjacent cell.
8. terminal as claimed in claim 7, it is characterized in that, described list acquisition module also comprises judgement submodule, describedly judges that submodule is for judging whether the signal value changing value of community, place is greater than default change threshold, if so, then trigger described first and obtain submodule.
9. terminal as claimed in claim 7, it is characterized in that, described list acquisition module also comprises the second acquisition submodule, described second obtains submodule for receiving the communication base station of its community, place to the adjacent cell list that it sends, obtain the messaging parameter of each adjacent cell according to the measuring control information of each adjacent cell, the messaging parameter according to described adjacent cell list and each adjacent cell generates described second neighbor cell list.
10. the terminal as described in any one of claim 6 to 9, it is characterized in that, described List Generating Module specifically for the acquisition time of the first neighbor cell list described in comparison and described second neighbor cell list, using the neighbor cell list corresponding to up-to-date acquisition time as described cell reselection list; Or, for getting union or the common factor of described first neighbor cell list and described second neighbor cell list, generate described cell reselection list.
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| CN201310231304.4A CN104244339A (en) | 2013-06-09 | 2013-06-09 | Method and terminal for obtaining cell reselection list |
| PCT/CN2013/082001 WO2014198085A1 (en) | 2013-06-09 | 2013-08-21 | Cell reselection list acquisition method and terminal |
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| CN201310231304.4A CN104244339A (en) | 2013-06-09 | 2013-06-09 | Method and terminal for obtaining cell reselection list |
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| KR20090092425A (en) * | 2008-02-27 | 2009-09-01 | 삼성전자주식회사 | Apparatus and method for verifying neighbor list in wireless communication system |
| CN101742598B (en) * | 2008-11-07 | 2014-04-30 | 中兴通讯股份有限公司 | Method and device for reselecting home base station cells |
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- 2013-08-21 WO PCT/CN2013/082001 patent/WO2014198085A1/en not_active Ceased
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| US6188904B1 (en) * | 1998-05-28 | 2001-02-13 | Motorola, Inc. | Method for improving communication coverage in multi-cell communication systems |
| US8320351B2 (en) * | 2007-05-30 | 2012-11-27 | Telefonaktiebolaget L M Ericsson (Publ) | Automatic handling of neighbour cells |
| CN101594631A (en) * | 2008-05-28 | 2009-12-02 | 华为技术有限公司 | Automatic adjacency measuring method, terminal equipment and base station equipment |
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