CN101060701B - Communication network reelecting method - Google Patents
Communication network reelecting method Download PDFInfo
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- CN101060701B CN101060701B CN2006100739907A CN200610073990A CN101060701B CN 101060701 B CN101060701 B CN 101060701B CN 2006100739907 A CN2006100739907 A CN 2006100739907A CN 200610073990 A CN200610073990 A CN 200610073990A CN 101060701 B CN101060701 B CN 101060701B
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Abstract
The re-selection method for communication network comprises: mobile phone accesses a PLMN, generates and stores parameter indicating its network mode, and operates according to both current and home PLMN. This invention avoids unnecessary switch and saves network resource.
Description
Technical field
The present invention relates to the communications field, particularly, relate to a kind of method of reselecting a communication system network.
Background technology
When mobile phone power-on or user moved to a new registration area, mobile phone can be initiated a public land mobile communication network network (hereinafter to be referred as PLMN) discovery procedure.Generally, mobile phone moves in the service range of its local PLMN (hereinafter to be referred as HPLMN), receives the service of its HPLMN.This HPLMN is exactly the PLMN that the service provider provided that contracts with the user usually.Such as, certain phone number be 13901234567 " Global Link " user and China Mobile signatory after, the PLMN network that China Mobile provided is exactly the HPLMN of this mobile phone.
Generally speaking, after signatory with the service provider, each contracted user can obtain a code that is used to the unique identification user identity---and international travelling carriage identification code (hereinafter to be referred as IMSI), it is inner that this IMSI can be kept at a slight SIM usually.This SIM can be inserted in mobile phone the inside, can be used for the code of identifying user identity when needed.Referring to Fig. 1; IMSI has comprised mobile national number (hereinafter to be referred as MCC), has moved network No. (hereinafter to be referred as MNC) and custom IC field (hereinafter to be referred as MSIN), is used for respectively showing which country, this which national mobile network and which user among this mobile network this user belongs to.Mobile phone is through mobile national number (hereinafter to be referred as MCC) that compares a PLMN and the MCC/MNC field of mobile network No. (hereinafter to be referred as MNC) field and IMSI, knows that a PLMN is HPLMN.If mobile phone can not connect with HPLMN, it must be sought and connect another different PLMN, just Visited PLMN (hereinafter to be referred as VPLMN) so.Usually when mobile phone roaming when its HPLMN can not provide region covered, this situation will take place.
When mobile phone had been chosen a suitable PLMN, it will seek and select the proper cell that the cellular service can be provided of said PLMN.Subsequently mobile phone can be tuned to the control channel of selected sub-district get on the registration area under its current location of network registry is present in selected sub-district.
After, when needs are initiated communication (as making a phone call), mobile phone is through the control channel access network of selected sub-district.Mobile phone periodically continues to seek the more suitably sub-district among the selected PLMN sometimes, and this situation takes place sometimes, has shifted out the service range of selected sub-district such as mobile phone, has lost the covering of selected sub-district.
Sometimes, a specific region has the covering more than a PLMN, that is to say, has the overlapping of PLMN service area territory.At this moment, mobile phone just need selected some specific PLMN at first from the PLMN of these existence, and does not select other PLMN.In addition, as under the situation of roaming, mobile phone might lose the covering of selected PLMN, and at this moment, mobile phone must select another PLMN network that service is provided.
Select the operation of a specific PLMN automatically or manually to carry out.Automatically select to use a PLMN tabulation according to priority arrangement, mobile phone is therefrom selected to exist successively comes foremost PLMN.Manually selecting is the tabulation that the PLMN of an existence is provided to the user, and the user must therefrom select a PLMN.Generally, user's decision should be respected, and that is to say, should allow the user insert he that PLMN of manually selecting.
Generally, available PLMN tabulation and their priority are decided by that which network provides the strongest the strongest in other words radio frequency (hereinafter to be referred as RF) of signal.For example; If the provider of first PLMN provides the stronger signal of provider than second PLMN; Mobile phone comes second position that PLMN is more forward in the tabulation the inside with first PLMN so; Like this, if mobile phone has used automatic selection, first PLMN will be selected based on its signal strength signal intensity automatically so.If selected a VPLMN, mobile phone may continue periodically to seek its HPLMN so.More detailed explanation about present PLMN selection; Can consult " Universal MobileTelecommunications System (UMTS) Non-Access-Stratum functions related toMobile Station (MS) in idle mode; " 3GPP TS23.122; V.4.1.0, Release4, European Telecommunications Standards Institute (2001).
Along with people's growth in the living standard, and the development of mobile communication cause, the user is more and more from the situation that HPLMN roams into the other places.Wherein, roaming purpose zone just might have the covering of a plurality of VPLMN, that is to say have a plurality of VPLMN service to be provided for the user.Like this, pattern is carried out network selecting if mobile phone adopts " selecting automatically ", and so according to the power of signal, thereby these VPLMN might selected the access.And from the angle of commerce, the HPLMN operator that the roamer contracted possibly hope that otherness treats these VPLMN.Such as, German whole area exists Vodafone, Orange and three networks of T-mobile simultaneously.And the Vodafone of China Mobile and Germany may sign an agreement; If from China roams into the user of Germany, have to surpass 80% user and selected German Vodafone network, Vodafone can give settlement price between the very preferential international networks of China Mobile so.Therefore, in this case, can be as the China Mobile of HPLMN through existing suitable method, the mobile phone transmission instruction to roaming into Germany lets it reselect network insertion to the Vodafone network.Described existing method includes, but are not limited to particular message, the short message of mobile phone and network both sides agreement.
In existing system; HPLMN has no idea to know that mobile phone carries out that network selecting adopts is still " manually selection " pattern of " selecting automatically " pattern; Therefore; Even the user has adopted " manually selecting " model selection VPLMN, HPLMN sends instruction also may for this mobile phone so, let it reselect another VPLMN.So just run counter to user's final wish, brought bad experience to the user.
On the other hand; Do not accept the described instruction of reselecting another VPLMN that HPLMN sends if adopted the mobile phone decision of " manually selecting " pattern; The transmission course from HPLMN to the mobile phone of so described this instruction is exactly unnecessary, and this transmission course can cause waste of network resources.
Summary of the invention
Therefore, the purpose of this invention is to provide the method that a kind of mobile phone is reselected PLMN, make mobile phone to determine whether proceeding PLMN and to reselect according to its network selecting pattern that adopts.
For realizing above-mentioned purpose, a kind of re-selection method of communication network comprises step:
A) mobile phone inserts a public land mobile communication network network PLMN;
B) mobile phone produces and preserves the parameter that is used for indicating its network selecting pattern that adopts;
C) mobile phone and current PLMN and local PLMN operate according to described parameter.
According to method of the present invention, mobile phone can be avoided carrying out unwanted network and reselected, thereby to the good use feeling of user; HPLMN also may save Internet resources simultaneously.
Description of drawings
Fig. 1 is the module map that the each several part of IMSI constitutes;
Fig. 2 is a module map of having represented the wireless communication system that goes for preferential embodiment of the present invention;
On behalf of the coverage, Fig. 3 have the module map of a plurality of PLMN that overlap;
Fig. 4 has described according to existing attainable standard to carry out the flow chart that PLMN reselects performed step;
Fig. 5 has described according to the first embodiment of the present invention to carry out the flow chart that PLMN reselects performed step;
Fig. 6 has described according to the second embodiment of the present invention to carry out the flow chart that PLMN reselects performed step;
Fig. 7 has described according to the third embodiment of the present invention to carry out the flow chart that PLMN selects performed step.
Embodiment
The present invention relates to a kind of mobile phone and communicate the method that network is reselected.The invention provides a kind of mobile phone that is applicable to and communicate the method that network is reselected, make that mobile phone can be according to its network selecting pattern that adopts, whether decision carries out network is reselected.Mobile phone is preserved a parameter that can be used for indicating its network selecting pattern that adopts when inserting certain network.Mobile phone is according to described parameter, and whether decision proceeds network is reselected.
With reference to accompanying drawing, three preferred embodiments abideing by communication system of the present invention are described below, particularly, described communication system is to follow a kind of wireless communication system that following at least a kind of communication standard is operated.Described these standards comprise various simulations, numeral or analog/digital dual mode communication system protocol, for example still are not limited only to the various distortion and the evolution of GSM evolution (abbreviation EDGE), GPRS (being called for short GPRS), UMTS (being called for short UMTS), frequency division multiple access (being called for short FDMA), IS-55 time division multiple access (being called for short TDMA) digital cellular, IS-136TDMA digital cellular, IS-95 CDMA multiplexing (abbreviation CDMA) digital cellular, distribution according to need mode (DA/TDMA, DA/CDMA, DA/FDMA), WCDMA (being called for short WCDMA), CDMA2000, IMT-2000, personal wireless communications system (being called for short PCS/PHS), 3GPP, 3GPP2 and these agreements of Advanced Mobile Phone System (being called for short AMPS), arrowband advanced mobile phone service (being called for short NAMPS), global system for mobile communications (being called for short GSM), high data rate.Communication system of the present invention can further refer to all communications network systems of being described below, and a node in these communications network systems can let communication terminal reselect another communications network system.This can comprise local area network (hereinafter to be referred as LAN), WLAN (hereinafter to be referred as WLAN) or the like.Too tediously long for fear of the description that makes this patent, in the explanation below, omitted the detailed description of function that the public is known or device etc.
With reference to Fig. 2, wireless communication system 200 has comprised a communication underlying network 210, a group base station controller (hereinafter to be referred as BSC) 220 and 222, and they provide service jointly in coverage 230.Usually, the encrypt/decrypt of BSC processing signals, switching decision and access decision.Wireless communication system 200 can but be not limited only to based on FDMA communication system, based on the communication system of TDMA or based on the communication system of CDMA.As these systems known; Each BSC220 and 222 and with one or more transceiver base station (hereinafter to be referred as BTS) 240,242,244 and 246 of its associated provides service in each communication cell 250,252,254 and 256 in whole coverage 230.For the purpose of setting forth, BSC and BTS are described from the angle of inventing.But this is not equal to invention and only is defined in BSC and BTS; Because radio network controller (hereinafter to be referred as RNC), base station (being called for short Node B) and other similar techniques also can be used to realize the present invention, this is very conspicuous for a person skilled in the art.BSC220 and 222, and BTS240,242,244 and 246 is in accordance with practicable standard, for the mobile phone (hereinafter to be referred as MS) 260,262,264,266 that is operated within communication cell 250,252,254 and 256 provides radio communication service.Above said each system unit all can obtain from the angle of commerce, such as buying from motorola inc.
With reference to Fig. 3, a plurality of PLMN302,304 have the service area of overlapped covering.Each PLMN302,304 can set up according to 200 that kind of the wireless communication system among Fig. 2.For the purpose of setting forth, each PLMN302, the several communication cell 302a-c of 304 usefulness, 304a-c represent.Each PLMN has very many network cells usually, has several BTS and several BSC but in fact.Mobile phone 310 as shown in Figure 2 is positioned at the sub-district 302a of crossover, and within the 304a, thereby residing position has PLMN302,304 covering simultaneously.Mobile phone 310 need find available PLMN, and selects a suitable PLMN, so that the communication process (for example, voice communication, real-time video communication, text message, Internet visit or the like) that will use for it provides service.In seeking suitable PLMN process, mobile phone 310 can be considered each PLMN302,304, and it is regarded as might operable communication network to it.
As far as mobile phone 310, each PLMN302,304 possibly have different characteristic.For example, the signatory local PLMN of mobile phone 310 more is ready to let mobile phone 310 select PLMN302, rather than PLMN304.Even mobile phone 310 carries out an identical communication process, it possibly will cause the signatory local PLMN of mobile phone 310 to adopt different behaviors when selecting PLMN302 or PLMN304.
The flow chart that provides with reference to Fig. 4, after handset-selected PLMN1, HPLMN can reselect another PLMNPLMN2 according to present practicable standard indication mobile phone.
Step 401, mobile phone adopts certain pattern, inserts the PLMN1 system, accepts the service of PLMN1.In described this access procedure, PLMN1 possibly carry out the mutual of information with the HPLMN of mobile phone, for example mobile phone is carried out authentication, authentication.
Step 402, HPLMN indication mobile phone are reported its current available PLMN tabulation.
Step 403, mobile phone is reported its current available PLMN tabulation to HPLMN.In this figure, this PLMN tabulation has only comprised PLMN1 and PLMN2.
Step 404, HPLMN tabulates according to the available PLMN under in the step 403, and the indication mobile phone is reselected PLMN2 and is attempted inserting.
Step 405, handset-selected PLMN2 attempts inserting.
First embodiment
In the present embodiment, mobile phone through perhaps artificial automatically pattern, perhaps selected a network PLMN1 and inserted according to the method described in the present invention, accepts the service of PLMN1 by other feasible method.Fig. 5 has provided the workflow diagram according to each parts of communication system of the first embodiment of the present invention.HPLMN described in Fig. 5 is the local PLMN of said mobile phone.
Step 501, mobile phone adopts certain pattern, inserts the PLMN1 system, accepts the service of PLMN1.In described this access procedure, PLMN1 possibly carry out the mutual of information with the HPLMN of mobile phone, for example mobile phone is carried out authentication, authentication.
Step 502, mobile phone produces a parameter that is used for showing the mobile phone access module in the step 501.In the present embodiment, this parameter provides one and shows the bi-values that whether adopts automatic mode.Described step 502 also can be carried out in the process of above-mentioned step 501.
Step 503, mobile phone and PLMN1, PLMN2 and HPLMN abide by present practicable standard and carry out associative operation, as carry out radio communication service, its current available PLMN tabulation of UE report.
Step 504, HPLMN abides by present practicable standard, and the indication mobile phone is reselected another PLMN2.
Step 505, mobile phone are according to the parameter in the described step 502, and whether decision reselects PLMN2 is attempted inserting.In the present embodiment, if described bi-values parameter is " being ", mobile phone is reselected PLMN2 and is attempted access so.
Step 506, optional, mobile phone sends response message to HPLMN.Described response message can comprise mobile phone and whether reselect the information that described PLMN2 attempts inserting, and the information of related causes.In the present embodiment, if the bi-values parameter described in the step 502 is " denying ", so described response message comprises can show the content of this parameter for " denying ".
Second embodiment
In the present embodiment, mobile phone through perhaps artificial automatically mode, perhaps selected a network PLMN1 and inserted according to the method described in the present invention, accepts the service of PLMN1 by other feasible method.Fig. 6 has provided the workflow diagram according to each parts of communication system of the second embodiment of the present invention.HPLMN described in Fig. 6 is the local PLMN of said mobile phone.
Step 601, mobile phone adopts certain pattern, inserts the PLMN1 system, accepts the service of PLMN1.In described this access procedure, PLMN1 possibly carry out the mutual of information with the HPLMN of mobile phone, for example mobile phone is carried out authentication, authentication.
Step 602, mobile phone produces a parameter that is used for showing the mobile phone access module in the step 601.In the present embodiment, this parameter provides one and shows the bi-values that whether adopts automatic mode.Described step 602 also can be carried out in the process of above-mentioned step 601.
Step 603, mobile phone and PLMN1, PLMN2 and HPLMN abide by present practicable standard and carry out associative operation, as carry out radio communication service.
Step 604, HPLMN abides by present practicable standard, and the indication mobile phone is reported its current available PLMN tabulation.
Step 605, mobile phone are according to the parameter in the described step 602, and whether decision reports all available PLMN tabulations.In the present embodiment, if described bi-values parameter is " being ", mobile phone is reported its current available PLMN tabulation PLMN1 and PLMN2 strictly according to the facts so; If described bi-values parameter is " denying ", mobile phone is only reported PLMN tabulation PLMN1 so.
The 3rd embodiment
In the present embodiment, mobile phone through perhaps artificial automatically mode, perhaps selected a network PLMN1 and inserted according to the method described in the present invention, accepts the service of PLMN1 by other feasible method.Fig. 7 has provided the workflow diagram according to each parts of communication system of the third embodiment of the present invention.HPLMN described in Fig. 7 is the local PLMN of said mobile phone.Step 701, mobile phone adopts certain pattern, inserts the PLMN1 system, accepts the service of PLMN1.In described this access procedure, PLMN1 possibly carry out the mutual of information with the HPLMN of mobile phone, for example mobile phone is carried out authentication, authentication.
Step 702, mobile phone produces a parameter that is used for showing the mobile phone access module in the step 701.In the present embodiment, this parameter provides one and shows the bi-values that whether adopts automatic mode.Described step 702 also can be carried out in the process of above-mentioned step 701.
Step 703, mobile phone is passed to HPLMN with the parameter that is produced in the described step 702.Described step 703 can also can be carried out in the process of above-mentioned step 702.
Step 704, HPLMN abides by the parameter in the above-mentioned step 703, and whether decision is according to present practicable standard, and the indication mobile phone carries out PLMN and reselects.In the present embodiment, if described bi-values parameter is " denying ", HPLMN will abandon the follow-up UE that instructs and carry out the PLMN reselection procedure so.
Although the present invention is described according to described three embodiment, it is pointed out that these embodiment are used for explaining, rather than be used for the present invention is limited.Those of ordinary skill in the art can be easy to these embodiment are changed, increase, delete any step and do not break away from the spirit and scope of the present invention.
Claims (14)
1. the re-selection method of a communication network comprises step:
A) mobile phone inserts a public land mobile communication network network PLMN;
B) mobile phone produces and preserves and is used for indicating it to adopt the network selecting mode parameter of automatic mode or manual mode;
C) mobile phone and current PLMN and local PLMN operate according to described network selecting mode parameter, and wherein said operation comprises:
Local PLMN indication mobile phone is reselected another PLMN;
Mobile phone determines whether to reselect PLMN according to the network selecting mode parameter in the step b).
2. by the described method of claim 1, it is characterized in that described operation also comprises: carry out radio communication service, its current available PLMN tabulation of mobile phone report.
3. by the described method of claim 1, when it is characterized in that mobile phone and current PLMN and local PLMN operate, do not transmit described network selecting mode parameter.
4. by the described method of claim 1, it is characterized in that described network selecting mode parameter is one two a choosing value.
5. the re-selection method of a communication network comprises step:
A) mobile phone inserts a public land mobile communication network network PLMN;
B) mobile phone produces and preserves and is used for indicating it to adopt the network selecting mode parameter of automatic mode or manual mode;
C) mobile phone and current PLMN and local PLMN operate according to described network selecting mode parameter, and said operation comprises:
Local PLMN indication mobile phone is reported current available PLMN tabulation;
Mobile phone is according to the network selecting mode parameter in the step b), and whether decision reports all available PLMN tabulations.
6. by the described method of claim 5, it is characterized in that described operation also comprises: carry out radio communication service.
7. by the described method of claim 5, when it is characterized in that mobile phone and current PLMN and local PLMN operate, do not transmit described network selecting mode parameter.
8. by the described method of claim 5, it is characterized in that mobile phone, according to described network selecting mode parameter decision list content when local PLMN reports available network list.
9. by the described method of claim 5, it is characterized in that described network selecting mode parameter is one two a choosing value.
10. the re-selection method of a communication network comprises step:
A) mobile phone inserts a public land mobile communication network network PLMN;
B) mobile phone produces and preserves and is used for indicating it to adopt the network selecting mode parameter of automatic mode or manual mode;
C) mobile phone and current PLMN and local PLMN operate according to described network selecting mode parameter, and said operation comprises:
Mobile phone is passed to local PLMN with the network selecting mode parameter in the step b);
Whether local PLMN abides by the network selecting mode parameter decision that receives and indicates mobile phone to carry out reselecting of PLMN.
11., it is characterized in that mobile phone determines whether to carry out from the network of local PLMN to reselect instruction according to described network selecting mode parameter by the described method of claim 10.
12., when it is characterized in that mobile phone and current PLMN and local PLMN operate, transmit described network selecting mode parameter by the described method of claim 10.
13., it is characterized in that described network selecting mode parameter is one two a choosing value by the described method of claim 10.
14., it is characterized in that said network selecting mode parameter is " denying " by the described method of claim 11.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006100739907A CN101060701B (en) | 2006-04-17 | 2006-04-17 | Communication network reelecting method |
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| CN2006100739907A CN101060701B (en) | 2006-04-17 | 2006-04-17 | Communication network reelecting method |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8204528B2 (en) | 2008-04-24 | 2012-06-19 | Research In Motion Limited | Apparatus, and associated method, for facilitating access to a home, or other public network |
| CN101730176B (en) * | 2008-10-28 | 2012-12-19 | 华为技术有限公司 | Paging control method, entity and system in network reselection |
| US8619733B2 (en) * | 2008-11-03 | 2013-12-31 | Qualcomm Incorporated | Selection of wireless network in conjunction with selection of a wireless cell set |
| CN101409908B (en) * | 2008-11-19 | 2010-07-21 | 华为终端有限公司 | Method, apparatus and SIM card for searching network |
| CN102025627B (en) | 2010-12-06 | 2012-07-04 | 意法·爱立信半导体（北京）有限公司 | Method for processing PS (Packet Switched) domain business and realizing PS domain business request and mobile terminal |
| CN103945377B (en) * | 2013-01-18 | 2019-02-05 | 中兴通讯股份有限公司 | It is a kind of for manually and automatically connecting the method and terminal of Wireless LAN |
| CN105792176B (en) * | 2014-12-22 | 2019-11-26 | 北京佰才邦技术有限公司 | Method, terminal and the network side access device that PLMN is reported |
| CN104902458B (en) * | 2015-04-30 | 2017-05-17 | 广东欧珀移动通信有限公司 | Network access method and mobile communication terminal |
| CN104980998B (en) * | 2015-06-19 | 2017-07-18 | 广东欧珀移动通信有限公司 | A kind of method for network access and mobile terminal |
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| CN1381150A (en) * | 2000-09-11 | 2002-11-20 | 香港流动通讯有限公司 | Mobile communication |
| CN1703918A (en) * | 2002-10-08 | 2005-11-30 | 诺基亚公司 | Network selection in a WLAN |
| CN1757249A (en) * | 2003-11-13 | 2006-04-05 | 捷讯研究有限公司 | Network selection methods and apparatus after network signal recovery or power-on |
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|---|---|---|---|---|
| CN1381150A (en) * | 2000-09-11 | 2002-11-20 | 香港流动通讯有限公司 | Mobile communication |
| CN1703918A (en) * | 2002-10-08 | 2005-11-30 | 诺基亚公司 | Network selection in a WLAN |
| CN1757249A (en) * | 2003-11-13 | 2006-04-05 | 捷讯研究有限公司 | Network selection methods and apparatus after network signal recovery or power-on |
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