CN101895966A - Public land mobile network searching method and device - Google Patents
Public land mobile network searching method and device Download PDFInfo
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- CN101895966A CN101895966A CN2010102368363A CN201010236836A CN101895966A CN 101895966 A CN101895966 A CN 101895966A CN 2010102368363 A CN2010102368363 A CN 2010102368363A CN 201010236836 A CN201010236836 A CN 201010236836A CN 101895966 A CN101895966 A CN 101895966A
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Abstract
The invention relates to a public land mobile network searching method and a public land mobile network searching device. The network searching method comprises the following steps of: defining a recent register public land mobile network list (RRPLMNs) by using a mobile terminal, wherein the RRPLMNs stores networks in which the mobile terminal is recently registered successfully, and a radio access technology list with a first-in first-out data model; and ordering available public land mobile networks according to the RRPLMNs, and searching for the public land mobile networks according to an order obtained by the ordering. In the method, priority re-assignment is performed on all the networks in 'other high-receiving quality PLMN/radio access technology combinations' according to recent register network states, which solves the problem of possible network selection failures, accelerates network searching, simultaneously avoids data disconnection caused by network registration reject and improves user experiences.
Description
Technical field
The present invention relates to the mobile communication technology field, more specifically, relate to a kind of method and device of optimizing public land mobile network searching.
Background technology
Along with development of Communication Technique, the speed of mobile network's upgrading is also more and more faster.In the process of mobile network's fast development, increasing startup carrier has entered moving communicating field, and some old brand operators also enter some emerging nations progressively exploring world market.
Startup carrier and old brand operator be when entering emerging market, often only can set up New Generation of Communication network (3G with respect to 2G, LTE with respect to 3G).In the networking process, can not accomplish 100% the new network coverage very soon, and, need complement each other because 2G, 3G, LTE respectively have the merits and demerits of oneself to the appointed area.These emerging and Xin Jin operators can not start from scratch, and oneself set up every type mobile network, therefore and some local operators signature roaming agreements are more rational ways.
3GPP protocol definition " operator control PLMN (Public Land Mobile Network; Public Land Mobile Nerwork) " and " user-controlled PLMN " are used for the priority of Control Network selection, but because these informational needs are stored in the SIM card, and in a single day SIM card is issued in user's hand, just can't revise; Global communications network operator is so many, lists these operators unrealistic in SIM card one by one; And network configuration and network state all change at any time, roaming relationships between the operator also can change at any time, therefore operator is all more careful to the use of " user-controlled PLMN " and " PLMN of operator's control " in practical application, generally these data can be set in SIM card.This just means that except Home PLMN, other PLMN is common PLMN for regard to each portable terminal.And 3GPP for the system of selection of PLMN definition is at present:
MS will be according to certain PLMN of following selective sequential:
1, Home PLMN (if not selecting before);
2, each PLMN (according to priority orders) during " user-controlled PLMN and wireless access technology " tabulates in SIM card;
3, each PLMN (according to priority orders) in " PLMN and the wireless access technology of the operator's control " tabulation in SIM card;
4, certain PLMN in this tabulation is selected in " PLMN/ wireless access technology " combination that other signal quality is good at random;
5, other " PLMN/ wireless access technology " combination is arranged according to the order of sequence according to the quality of signal quality.
For the 4th class PLMN, just " PLMN that received signal quality is good ", the selection of this class PLMN has characteristics at random, and this just means after the covering that loses Home PLMN, portable terminal may be correct choose cooperation PLMN, also might choose non-cooperation PLMN.In case choose non-cooperation PLMN, the registration meeting of portable terminal is refused by network.The Reason For Denial value can be divided into two classes: a class is this network to be added forbid PLMN; One class is this network not to be added to forbid PLMN.Owing to forbid that PLMN tabulation back automatic network selection can not choose this network in case add, consider the variation of network configuration, operator seldom can use the cause value refusal that causes PLMN to be added into forbidding the PLMN tabulation in practical application.Simultaneously, the present PLMN tabulation of forbidding all can't be distinguished wireless access technology, forbid in the PLMN tabulation in case add, all wireless access technologys of this PLMN all can't be used, and this forbids that concerning the application of some wireless access technologys signature roaming agreement of some network of sum PLMN mechanism also can't use.
Take all factors into consideration above-mentioned factor, at present " PLMN of operator's control " of 3GPP protocol definition and forbid that PLMN can both control the availability of some network selecting, but in actual application,, all there is the not high problem of operability because be solidificated in the SIM card or need to revise the configure-reject reason of network side.
Summary of the invention
The objective of the invention is for addressing the above problem.
For achieving the above object, the present invention proposes a kind of public land mobile network searching method, it is characterized in that: portable terminal definition recent registration Public Land Mobile Nerwork tabulation (RRPLMNs), this RRPLMNs is with the network and the wireless access technology tabulation of the data model memory mobile terminal recent registration success of first in first out; Available Public Land Mobile Nerwork is sorted according to described RRPLMNs, and carry out public land mobile network searching according to described clooating sequence.
Further, described RRPLMNs comprises first module and Unit second;
Described first module is the PLMN and the wireless access technology tabulation of recent registration success;
PLMN and the wireless access technology tabulation of described Unit second for succeeding in registration the earliest.
Further, described RRPLMNs also comprises Unit the 3rd; When RRPLMNs is stored in the read-only storage of mobile terminal device, Unit the 3rd is used for the binding of international mobile subscriber identity and RRPLMNs tabulation.
Further, described RRPLMNs can be embodied as and takes the lead one of tail pointer and determine the data structure of the single-track link table of length, and the head unit of chained list is the PLMN of recent registration success, the PLMN of the tail unit of chained list for succeeding in registration the earliest.
Further, described definition RRPLMNs may further comprise the steps;
Portable terminal is registered certain wireless access technology success of certain network;
Portable terminal judges that international mobile subscriber identity and wireless access technology are whether in RRPLMNs; If it is the head unit of RRPLMNs that described international mobile subscriber identity and described wireless access technology then are set; Judge whether to also have idle RRPLMNs unit if not, portable terminal, if having, the RRPLMNs unit of a free time of application, otherwise portable terminal can discharge the unit tail unit of RRPLMNs just the earliest; And fill the RRPLMNs unit of described free time or the tail unit of RRPLMNs is current international mobile subscriber identity that succeeds in registration and wireless access technology.
Further, described RRPLMNs list storage is in SIM card or fixed memory device.
In addition, the present invention also proposes a kind of public land mobile network searching device, and described device 100 comprises recent registration Public Land Mobile Nerwork tabulation (RRPLMNs) retrieval unit, rearrangement unit and searches net unit;
Described RRPLMNs retrieval unit is used for carrying out international mobile subscriber identity when selecting, and retrieves certain Public Land Mobile Nerwork and wireless access technology whether in the RRPLMNs tabulation;
Unit, described rearrangement unit is used for current available international mobile subscriber identity tabulation being resequenced according to sequencing according to the result who retrieves at RRPLMNs;
The described net unit of searching is according to available PLMN tabulation beginning the to search network process that generates.
Further, the described net arrangement of searching also comprises the RRPLMNs memory cell, is used for after succeeding in registration described international mobile subscriber identity and wireless access technology being written to the RRPLMNs tabulation at every turn.
Further, described RRPLMNs is stored in the permanent storage area of mobile terminal device or in the SIM card.
Further, described RRPLMNs comprises first module and Unit second;
Described first module is the PLMN and the wireless access technology tabulation of recent registration success;
PLMN and the wireless access technology tabulation of described Unit second for succeeding in registration the earliest.
The invention has the beneficial effects as follows: for all networks in " the PLMN/ wireless access technology combination that other the quality of reception is high ", network state according to recent registration is carried out being ranked again of a priority, avoided the network selecting failure problem that may occur, accelerated the search speed of network, the data that caused when having avoided registered network to be rejected simultaneously connect disconnection, have improved user experience.
Description of drawings
To be the embodiment of the invention search the net arrangement schematic diagram based on the PLMN of RRPLMNs to Fig. 1;
Fig. 2 is the structure chart of embodiment of the invention RRPLMNs;
Fig. 3 is the generative process figure of RRPLMNs tabulation in the embodiment of the invention;
Fig. 4 be existing portable terminal select that unavailable network is rejected the back portable terminal search the net flow chart;
Fig. 5 be in the embodiment of the invention portable terminal search the net flow chart.
Embodiment
The present invention proposes the notion of RRPLMNs (Recent Register PLMN, recent registration PLMN tabulation), and on the basis of this notion, proposed the method and apparatus that a kind of PLMN searches net.
The main thought of PLMN method for searching network of the present invention is: definition recent registration Public Land Mobile Nerwork tabulation (RRPLMNs), and this RRPLMNs is with the network and the wireless access technology tabulation of the data model memory mobile terminal recent registration success of first in first out; Available Public Land Mobile Nerwork is sorted according to described RRPLMNs, and carry out public land mobile network searching according to described clooating sequence.
PLMN searcher of the present invention comprises: the RRPLMNs inspection unit, be used to carry out PLMN when search, and whether the wireless access technology of confirming certain PLMN correspondence is in this RRPLMNs; Resequence to present available network according to the RRPLMNs tabulation in the rearrangement unit; Search net trigger element module, according to the ordering of carrying out network priority after sorting according to RRPLMNs, and according to this tabulation trigger network search.
For more detailed description the present invention,, more detailed elaboration is carried out in this invention below in conjunction with drawings and Examples.
As shown in Figure 1, be that the PLMN based on RRPLMNs of this method searches net arrangement 100 schematic diagrames, described device 100 comprises: RRPLMNs retrieval unit 101, rearrangement unit 102 and search net unit 103.
RRPLMNs retrieval unit 101 is used to carry out PLMN when selecting, and retrieves certain PLMN and wireless access technology whether in the RRPLMNs tabulation.
Rearrangement unit, unit 102 is used for current available PLMN tabulation being resequenced according to sequencing according to the result who retrieves at RRPLMNs.
Search net unit 103, according to available PLMN tabulation beginning the to search network process that generates.
The described net arrangement 100 of searching can also comprise: the RRPLMNs memory cell is used for after succeeding in registration this PLMN and wireless access technology being written to the RRPLMNs tabulation at every turn.RRPLMNs can be stored in the permanent storage area of mobile terminal device, also can be stored in the SIM card.
Fig. 2 is the structure chart of RRPLMNs.
PLMN and the wireless access technology tabulation of second unit 202 for succeeding in registration the earliest;
The 3rd unit 203 is a selectable unit.When RRPLMNs is stored in the SIM card, do not need to dispose separately this unit; When RRPLMNs is stored in the read-only storage of mobile terminal device, need this memory cell, be used for the binding of international mobile subscriber identity (IMSI) and RRPLMNs tabulation.
RRPLMNs tabulation can be implemented as takes the lead one of tail pointer and determines the data structure of the single-track link table of length, and the head unit of chained list is the PLMN of recent registration success, the PLMN of the tail unit of chained list for succeeding in registration at most.
RRPLMNs has following characteristics:
Supported the combination of PLMN and wireless access technology;
This tabulation automatically generates, adjusts automatically, along with the change of network environment adapts to automatically, and the flexibility height, compatible good, the compatible requirement of agreement at present; When entering a new geographic area, can generate new RRPLMNs tabulation automatically; When all unit of RRPLMNs all were in seizure condition, the RRPLMNs unit that is in the chained list tail will be capped.
Fig. 3 is the generative process of RRPLMNs tabulation.When portable terminal new can be carried out following process when regional for the first time using or enter certain:
Step 301: portable terminal is registered certain wireless access technology success of certain network;
Step 302: portable terminal judges that this PLMN and wireless access technology are whether in RRPLMNs; If, forwarding step 307 to, this unit is set to the head unit of RRPLMNs; Otherwise forward step 303 to;
Step 303: portable terminal judges whether to also have idle RRPLMNs unit; If have, forward step 305 to, the RRPLMNs unit of a free time of application; Otherwise forward step 304 to;
Step 304: current do not have an idle RRPLMNs unit, and portable terminal can discharge the unit tail unit of RRPLMNs just the earliest so;
Step 305: apply for an available RRPLMNs unit of free time;
Step 306: obtain an available RRPLMNs unit by step 304 or 305, filling this unit is current PLMN that succeeds in registration and wireless access technology;
Step 307: the head unit that this unit is RRPLMNs is set;
Step 308: storage RRPLMNs tabulates in SIM card or the fixed memory device.
Fig. 4 be existing portable terminal select that unavailable network is rejected the back portable terminal search the net flow chart.This is searched network process and comprises the steps:
Step 401: portable terminal initiates to search net according to current network environment and state decision;
Step 402: portable terminal can attempt being solidificated in Home PLMN and " user-controlled PLMN " and " PLMN of operator's control " in the SIM card; If trial and success forwards step 407 to, search the anastomose bundle; Otherwise forward step 403 to;
Step 403: the remaining network random alignment of portable terminal meeting; In this randomly ordered process, the network of being attempted may be disabled concerning this portable terminal at first, also may be available;
Step 404: the network of portable terminal after according to random alignment attempted each network in the current network tabulation according to the order of sequence.
Step 405: portable terminal is according to attempting whether successfully determining subsequent operation.Net successfully if search, forward step 407 to; Otherwise forward step 406 to.
Step 406: portable terminal is rejected in the registration process of this network, and portable terminal can only obtain the restriction service.The flow process that net is looked in start is initiated in extended meeting behind the portable terminal, registers PLMN since last time and searches net.This process can be wasted many time.
Fig. 5 be improve the back portable terminal search the net flow chart, this is searched network process and comprises the steps:
Step 501: portable terminal initiates to search the net flow process according to network environment and state;
Step 502: portable terminal can attempt being solidificated in Home PLMN and " user-controlled PLMN " and " PLMN of operator's control " in the SIM card; If trial and success forwards step 506 to, search the anastomose bundle; Otherwise forward step 503 to;
Step 503: portable terminal detects PLMN and the wireless access technology tabulation among the RRPLMNs, and according to the RRPLMNs tabulation available network is sorted.The network priority of recent registration is the highest among the RRPLMNs.
Step 504: portable terminal is to the network in RRPLMNs is not randomly ordered in " PLMN that signal quality is good ";
Step 505: portable terminal is attempted each network according to the order of sequence.Since the existence of RRPLMNs, a trial and success.
Technical solution of the present invention has reduced unnecessary web search by RRPLMNs, has accelerated the net spee of searching of portable terminal, has reduced network burden, and this method do not need the changed network framework, realizes simple.For all networks in " the PLMN/ wireless access technology combination that other the quality of reception is high ", network state according to recent registration is carried out being ranked again of a priority, avoided the network selecting failure problem that may occur, accelerated the search speed of network, the data that caused when having avoided registered network to be rejected simultaneously connect disconnection, have improved user experience.
Certainly; the present invention also can have numerous embodiments; in the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making various corresponding changes or variation according to the present invention; in every case any modification of being done within the spirit and principles in the present invention, be equal to replacements, improvement, all should be included within protection scope of the present invention.
Claims (10)
1. public land mobile network searching method, it is characterized in that: portable terminal definition recent registration Public Land Mobile Nerwork tabulation (RRPLMNs), this RRPLMNs is with the network and the wireless access technology tabulation of the data model memory mobile terminal recent registration success of first in first out; Available Public Land Mobile Nerwork is sorted according to described RRPLMNs, and carry out public land mobile network searching according to described clooating sequence.
2. the method for claim 1, it is characterized in that: described RRPLMNs comprises first module and Unit second;
Described first module is the PLMN and the wireless access technology tabulation of recent registration success;
PLMN and the wireless access technology tabulation of described Unit second for succeeding in registration the earliest.
3. method as claimed in claim 2 is characterized in that: described RRPLMNs also comprises Unit the 3rd; When RRPLMNs is stored in the read-only storage of mobile terminal device, Unit the 3rd is used for the binding of international mobile subscriber identity and RRPLMNs tabulation.
4. method as claimed in claim 2, it is characterized in that: described RRPLMNs can be embodied as and takes the lead one of tail pointer and determine the data structure of the single-track link table of length, the head unit of chained list is the PLMN of recent registration success, the PLMN of the tail unit of chained list for succeeding in registration the earliest.
5. the method for claim 1, it is characterized in that: described definition RRPLMNs may further comprise the steps;
Portable terminal is registered certain wireless access technology success of certain network;
Portable terminal judges that international mobile subscriber identity and wireless access technology are whether in RRPLMNs; If it is the head unit of RRPLMNs that described international mobile subscriber identity and described wireless access technology then are set; Judge whether to also have idle RRPLMNs unit if not, portable terminal, if having, the RRPLMNs unit of a free time of application, otherwise portable terminal can discharge the unit tail unit of RRPLMNs just the earliest; And fill the RRPLMNs unit of described free time or the tail unit of RRPLMNs is current international mobile subscriber identity that succeeds in registration and wireless access technology.
6. as each described method in the claim 1 to 5, it is characterized in that: described RRPLMNs list storage is in SIM card or fixed memory device.
7. public land mobile network searching device is characterized in that: described device comprises recent registration Public Land Mobile Nerwork tabulation (RRPLMNs) retrieval unit, rearrangement unit and searches net unit;
Described RRPLMNs retrieval unit is used for carrying out international mobile subscriber identity when selecting, and retrieves certain Public Land Mobile Nerwork and wireless access technology whether in the RRPLMNs tabulation;
Unit, described rearrangement unit is used for current available international mobile subscriber identity tabulation being resequenced according to sequencing according to the result who retrieves at RRPLMNs;
The described net unit of searching is according to available PLMN tabulation beginning the to search network process that generates.
8. the net arrangement of searching as claimed in claim 7 is characterized in that: the described net arrangement of searching also comprises the RRPLMNs memory cell, is used for after succeeding in registration described international mobile subscriber identity and wireless access technology being written to the RRPLMNs tabulation at every turn.
9. the net arrangement of searching as claimed in claim 8 is characterized in that: described RRPLMNs is stored in the permanent storage area of mobile terminal device or in the SIM card.
10. the net arrangement of searching as claimed in claim 8 is characterized in that: described RRPLMNs comprises first module and Unit second;
Described first module is the PLMN and the wireless access technology tabulation of recent registration success;
PLMN and the wireless access technology tabulation of described Unit second for succeeding in registration the earliest.
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| CN2010102368363A CN101895966A (en) | 2010-07-23 | 2010-07-23 | Public land mobile network searching method and device |
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| CN2010102368363A CN101895966A (en) | 2010-07-23 | 2010-07-23 | Public land mobile network searching method and device |
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| CN102724735A (en) * | 2012-05-28 | 2012-10-10 | 中兴通讯股份有限公司 | Method, device and terminal for selecting public land mobile network (PLMN) |
| CN103533600A (en) * | 2013-10-23 | 2014-01-22 | 华为技术有限公司 | Method and terminal for accessing network |
| CN104796962A (en) * | 2014-01-16 | 2015-07-22 | 中兴通讯股份有限公司 | Network searching method and network searching device |
| WO2015143701A1 (en) * | 2014-03-28 | 2015-10-01 | 华为终端有限公司 | Roaming network access method and apparatus |
| US9253690B2 (en) | 2012-02-24 | 2016-02-02 | Huawei Device Co.,Ltd | Method and apparatus for controlling cell reselection |
| WO2016049821A1 (en) * | 2014-09-29 | 2016-04-07 | 华为技术有限公司 | Wireless communication method, processor and wireless terminal |
| CN105900491A (en) * | 2013-11-08 | 2016-08-24 | 诺基亚技术有限公司 | Method and apparatus for automatic detection and selection of alternative roaming provider |
| CN106912087A (en) * | 2015-11-12 | 2017-06-30 | 联发科技股份有限公司 | Performance optimization method and its communicator |
| CN109041040A (en) * | 2018-08-28 | 2018-12-18 | Oppo广东移动通信有限公司 | Method for searching network, electronic device and computer readable storage medium |
| WO2020030184A1 (en) * | 2018-08-10 | 2020-02-13 | Mediatek Inc. | Flexible radio access technology selection policy for 5g mobile communications |
| WO2021082545A1 (en) * | 2019-10-31 | 2021-05-06 | 华为技术有限公司 | Apn matching method, terminal and storage medium |
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| US9253690B2 (en) | 2012-02-24 | 2016-02-02 | Huawei Device Co.,Ltd | Method and apparatus for controlling cell reselection |
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| CN105900491A (en) * | 2013-11-08 | 2016-08-24 | 诺基亚技术有限公司 | Method and apparatus for automatic detection and selection of alternative roaming provider |
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| US11197216B2 (en) | 2018-08-10 | 2021-12-07 | Mediatek Inc. | Handling of collision between SR procedure and PDU session establishment procedure for PDU session handover |
| WO2020030184A1 (en) * | 2018-08-10 | 2020-02-13 | Mediatek Inc. | Flexible radio access technology selection policy for 5g mobile communications |
| US10972956B2 (en) | 2018-08-10 | 2021-04-06 | Mediatek Inc. | Enhanced handling on QoS flow description |
| US11006344B2 (en) | 2018-08-10 | 2021-05-11 | Mediatek Inc. | Enhanced UE route selection policy (URSP) rule matching |
| US11039361B2 (en) | 2018-08-10 | 2021-06-15 | Mediatek Inc. | Enhanced 5GSM state mapping when interworking |
| US11039369B2 (en) | 2018-08-10 | 2021-06-15 | Mediatek Inc. | Handling 5G QoS rules on QoS operation errors |
| US11671891B2 (en) | 2018-08-10 | 2023-06-06 | Mediatek Inc. | Enhanced UE route selection policy (URSP) rule matching |
| CN109041040A (en) * | 2018-08-28 | 2018-12-18 | Oppo广东移动通信有限公司 | Method for searching network, electronic device and computer readable storage medium |
| WO2021082545A1 (en) * | 2019-10-31 | 2021-05-06 | 华为技术有限公司 | Apn matching method, terminal and storage medium |
| CN112822755A (en) * | 2019-10-31 | 2021-05-18 | 荣耀终端有限公司 | APN matching method, terminal and storage medium |
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Application publication date: 20101124 |