CN1949907A - Mobile terminal and network searching method thereof - Google Patents
Mobile terminal and network searching method thereof Download PDFInfo
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- CN1949907A CN1949907A CNA2006101491241A CN200610149124A CN1949907A CN 1949907 A CN1949907 A CN 1949907A CN A2006101491241 A CNA2006101491241 A CN A2006101491241A CN 200610149124 A CN200610149124 A CN 200610149124A CN 1949907 A CN1949907 A CN 1949907A
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Abstract
The invention relates to a radio communication technique, disclosing a mobile terminal and the network searching method thereof, making the mobile terminal supporting multiple-frequency ranges able to fast succeed in resister with network. And the invention pre-stores network number-frequency range corresponding relation in the mobile terminal, when the mobile terminal requires to register with network, the invention inquires a corresponding frequency range to the network number according to the to-be-searched network number and the corresponding relation and searching network in the found frequency range, where the to-be-searched network number is the number of the network previously logged on successfully or the network number of mobile communication operator that SIM card of the mobile terminal corresponds to; according to the frequency range classification supported by the mobile communication operator, it records the network number corresponding to the mobile communication operator. If not inquiring out the corresponding frequency range, the mobile terminal searches the network in all frequency ranges supported by it.
Description
Technical field
The present invention relates to wireless communication technology, particularly the web search technology of portable terminal.
Background technology
Along with the fast development of the communication technology and popularize, mobile phone and the data service that provides thereof have changed people's live and work more and more.Simultaneously, comply with the demand in market, operators are according to user's different demands, develop the various mobile cellular networks that have their own characteristics each, current use is more global system for mobile communications (Global System for mobile Communication, be called for short " GSM "), GPRS (General Packet Radio Service, be called for short " GPRS "), Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, be called for short " WCDMA "), code division multiple access (Code Division Multiple Access is called for short " CDMA ") etc.Each network can the identical zone of overlapping covering, uses frequency range separately to realize communication.The more frequency range of current use has 800M frequency range, 900M frequency range and 1800M frequency range.The use 800M frequency range that disparate networks has, the use 900/1800M frequency range that has, the use 800M/900M/1800M frequency range that has.Corresponding, current portable terminal is representative with the mobile phone, great majority can be supported this three a plurality of frequency ranges, no matter insert the SIM card (Subscriber Identity Module) of the operator that supports which kind of frequency range, all can be registered on the network of this frequency range.Certainly, for the mobile phone of supporting a plurality of frequency ranges, on function of searching net and performance demands, than the mobile phone height of only supporting single frequency band.In order to accomplish that after insertion belongs to the SIM card of different frequency range, different operators mobile phone can both successful registered network, multiple implementation is arranged at present.
First kind of scheme is only to search for single frequency band, specifically searches for which frequency range and can dispose by three kinds of modes: directly carry out AT order or select or or knock in Macintosh by cell phone keyboard by mobile phone menu.From in essence, select to search for which frequency range by menu, perhaps by on cell phone keyboard, knocking in a string Macintosh, finally all be to call bottom band A T order is set in fact.Set after the search frequency range, this mobile phone has just only been searched for this single frequency band later on forever, and the user needs supporting use to belong to the SIM card of this frequency range when using this mobile phone.Have only and inserted the SIM card that belongs to this frequency range, this mobile phone could successfully be registered network; If insert the SIM card except that this frequency range, then will fail during this mobile phone power-on registered network, in the case, need could successfully search for also access network to the frequency range that the search frequency range of this mobile phone is re-set as the SIM card correspondence.As seen, it is very inconvenient that this scheme is used, if the user wishes to move between the network of supporting different frequency range, just change must be set synchronously, and change corresponding SIM card.
In second kind of technical scheme of prior art, two frequency ranges of mobile phone support search are when belonging to the SIM card of these two kinds of frequency ranges in the SIM card of inserting, and just can successfully register network.Can support to search for 800M and two frequency ranges of 1800M as the SAGEM mobile phone, with respect to first kind of scheme, the hunting zone of this programme is bigger, practicality is stronger, but its weak point is arranged also, as have only the area of 900M signal in countryside or rural area etc., this mobile phone will be registered network, still has to fall the possibility of net.
For the possibility that will fall net drops to minimumly, in prior art three, mobile phone can support to search for all frequency ranges, and mobile phone need not to carry out specific frequency range setting like this, and the SIM card of no matter inserting is the SIM card of which kind of frequency range, can successfully register network.In this scheme kind, mobile phone is searched for one by one according to the power of frequency signal, search the strongest frequency of when net signal and can search for one by one according to the power of signal preferentially by synchronously, to search out the frequency range that is consistent with SIM card or overtime till.In this scheme, if the signal of the frequency range of SIM card correspondence a little less than, so according to searching for principle one by one, the SIM card frequency points corresponding is will later quilt synchronous, this will cause, and the speed of network slows down on the mobile telephone registration.Even more serious is, when the no signal zone has entered the signal area, if the signal of the frequency range of SIM card correspondence a little less than, the mobile phone stronger frequency of other frequency band signals that will preferentially desynchronize so, owing to search network process is the restriction that duration is arranged, the frequency of the synchronous SIM card corresponding frequency band that so just might also not be able to do in time is just searched for because of searching overtime end of net, and then cause searching net failure, as seen mobile phone can occur one section situation that can't re-register network from the no signal zone when the signal area is arranged, up to having entered the very strong area of signal, just can re-register network.
Summary of the invention
The main technical problem to be solved in the present invention provides a kind of portable terminal and network search method thereof, makes to support the portable terminal of a plurality of frequency ranges can successfully register network apace.
For solving the problems of the technologies described above, embodiments of the present invention provide a kind of network search method of portable terminal, comprise following steps:
In portable terminal, preserve the corresponding relation of network No. and frequency range in advance;
Portable terminal according to the network No. and the corresponding relation of need search, is inquired about the pairing frequency range of this network No. when the needs registered network;
If portable terminal finds corresponding frequency range, then search network in this frequency range.
Embodiments of the present invention also provide a kind of portable terminal, comprise:
Memory module is used for preserving in advance the corresponding relation of network No. and frequency range;
Enquiry module is used for when the needs registered network, according to the network No. and the corresponding relation of need search, inquires about the pairing frequency range of this network No.;
Search module is used for when finding corresponding frequency range search network in this frequency range.
By relatively finding, the main distinction of technical scheme of the present invention and prior art is, in portable terminal, preserved the corresponding relation of network No. and frequency range in advance, when this portable terminal needs registered network, network No. and this corresponding relation according to the need search, inquire about the pairing frequency range of this network No., search network in the frequency range that finds.Wherein, needing the network No. of search is the network No. of the preceding network that once successfully lands, or the network No. of the pairing mobile communication carrier of SIM card of this portable terminal.Make the portable terminal of supporting a plurality of frequency ranges can automatically discern the pairing frequency range of SIM card of current insertion, search network in this frequency range, thereby successfully network is gone up in registration apace, solved because the time restriction of searching network process, at the frequency of the frequency range of the synchronous SIM card correspondence that also is not able to do in time with regard to because of searching the overtime problem of failing of netting.
Because network No. and its corresponding band of the mobile communication carrier of ownership all are known, therefore, the network No. of the mobile communication carrier that the interior corresponding relation of preserving of portable terminal is each ownership and the corresponding relation of its corresponding band.For realization of the present invention provides foundation.
Network No. according to the frequency range book of final entry mobile communication carrier that mobile communication carrier supported, such as, the frequency range that mobile communication carrier supported is divided into 800M, 900M/1800M, and 800M/900M/1800M, then in the network No. file, will support the operator of 800M to count a class, and will support the operator of 900M/1800M to count a class, and will support the operator of 800M/900M/1800M to count a class.Portable terminal has been preserved this corresponding relation effectively simply by this network No. file by frequency range book of final entry network No. of storage.
If portable terminal does not inquire corresponding frequency range, then this portable terminal search network in all frequency ranges of its support makes no matter be that the known frequency range or the SIM card of unknown frequency range can both successfully be registered network.
The corresponding relation that portable terminal is preserved by AT order inquiry, increase or deletion has been realized the maintenance that this correspondence is closed.
Description of drawings
Fig. 1 is the mobile terminal system structure chart of one better embodiment according to the present invention;
Fig. 2 is the network search method flow chart of the portable terminal of one better embodiment according to the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
In the present invention, preserved the corresponding relation of network No. and frequency range in the portable terminal in advance, when this portable terminal needs registered network,, inquired about the pairing frequency range of this network No., search network in the frequency range that finds according to network No. and this corresponding relation of need search.Wherein, needing the network No. of search is the network No. of the preceding network that once successfully lands, or the network No. of the pairing mobile communication carrier of SIM card of this portable terminal.Make the portable terminal of supporting a plurality of frequency ranges can automatically discern the pairing frequency range of SIM card of current insertion, search network in this frequency range, thereby successfully network is gone up in registration apace, solved because the time restriction of searching network process, at the frequency of the frequency range of the synchronous SIM card correspondence that also is not able to do in time with regard to because of searching the overtime problem of failing of netting.
Below the present invention's one better embodiment is described, present embodiment relates to the network search method of a kind of portable terminal and this portable terminal.
As shown in Figure 1, this portable terminal comprises memory module, enquiry module, search module and maintenance module at least.Wherein, memory module is used for preserving in advance the corresponding relation of network No. and frequency range; Enquiry module is used for when this portable terminal needs registered network, according to network No. and this corresponding relation of need search, inquires about the pairing frequency range of this network No.; Search module is used for when finding corresponding frequency range, search network in this frequency range, and when not finding corresponding frequency range, search network in all frequency ranges that this portable terminal is supported; Maintenance module is used for by AT order inquiry, increases or delete the corresponding relation of network No. and frequency range.Make the portable terminal of supporting a plurality of frequency ranges can automatically discern the pairing frequency range of SIM card of current insertion by the cooperation between above each module, search network in this frequency range, thereby successfully network is gone up in registration apace, solved because the time restriction of searching network process, at the frequency of the frequency range of the synchronous SIM card correspondence that also is not able to do in time with regard to because of searching the overtime problem of failing of netting.Wherein, the corresponding relation of preserving is the network No. of each mobile communication carrier and the corresponding relation of its corresponding band, memory module is preserved these corresponding relations by the network No. file, and this network No. file is according to the network No. of this mobile communication carrier of the frequency range book of final entry that mobile communication carrier supported.Because network No. and its corresponding band of the mobile communication carrier of ownership all are known, need not to investigate in addition, therefore implement very convenient.
More than the structure of portable terminal in the present embodiment has been carried out simple introduction, the network search method to this portable terminal describes below.
As shown in Figure 2, in the method, a network No. file need be set in portable terminal, in advance the network No. of each mobile communication carrier of ownership place and the corresponding relation of its corresponding band be kept in this network No. file.The network No. of each mobile communication carrier of the frequency range book of final entry that mobile communication carrier supported of the country that can sell according to this portable terminal, this network No. file by frequency range book of final entry network No. of storage is preserved corresponding corresponding relation in portable terminal.
When preserving corresponding relation, can only consider in the frequency range that portable terminal can support the network No. of corresponding mobile communication carrier.Because in actual applications, most of portable terminals all can be supported existing all frequency ranges, so this point can not impact the present invention.
The simple declaration setting of network No. file once of giving one example below, such as, portable terminal can be supported these three frequency ranges of 800M/900M/1800M, in the country that sells this portable terminal, the frequency range that mobile communication carrier supports roughly is divided into: 800M, 900M/1800M, 800M/900M/1800M, can will support in the network No. file that then the operator of 800M counts a class, to support the operator of 900M/1800M to count a class, to support the operator of 800M/900M/1800M to count a class, according to frequency range book of final entry network No. in the network No. file that mobile communication carrier supported, thereby preserve this corresponding relation effectively simply.
During specific implementation, the network No. file can be designed to deposit 36 network No.s, preceding 12 network No.s are deposited the network No. of the operator of the generally acknowledged 800M of this country, middle 12 network No.s are deposited the network No. of the generally acknowledged 900M/1800M of this country, and last 12 network No.s are deposited the network No. of the generally acknowledged 800M/900M/1800M double frequency of this country.The structure of this network No. file is as shown in table 1:
The network No. of 12 800M
The network No. of 12 900M/1800M
The network No. of 12 800M/900M/1800M
Table 1
According to the structure shown in the table 1, portable terminal can find the frequency range of needs search easily according to network No..
When portable terminal needs registered network, enter in the step 201, according to the corresponding relation of preserving in the network No. of need search and the network No. file, search the pairing frequency range of this network No..Wherein, needing the network No. of search is the network No. of the preceding network that once successfully lands, or the network No. of the pairing mobile communication carrier of SIM card of this portable terminal.Network No. as the needs search is positioned at one of preceding 12 network No.s, can determine that then needing the frequency range of search is 800M.
If portable terminal searches out the frequency range of its network No. correspondence that need search for from the network No. file, then enter step 202, if do not search out, then enter step 203.
Because portable terminal finds the frequency range of its network No. correspondence that need search for, thereby in step 202, this portable terminal is search network in the corresponding frequency band that finds.Because the portable terminal of three frequency ranges of this support can automatically be searched the pairing frequency range of SIM card of current insertion, and in this corresponding frequency band search network, make this portable terminal can successfully register network apace, thereby avoided because the time restriction of searching network process, at the frequency of the frequency range of the synchronous SIM card correspondence that also is not able to do in time with regard to because of searching the overtime situation of failing of netting.In addition, can be set to only search for this corresponding frequency band by this portable terminal, when portable terminal needs registered network after making, can need not to search the network No. file, directly determine the search frequency range, further accelerate the net spee of going into of portable terminal.
In step 203, because portable terminal does not find the frequency range of its network No. correspondence that need search for, therefore this portable terminal search network one by one in all frequency ranges of its support, concrete searching method is same as the prior art, thereby makes no matter be that the known frequency range or the SIM card of unknown frequency range can both successfully be registered network.
In addition, for guarantee in the network No. file corresponding relation can with network actual change synchronised, need safeguard existing network No. file.Can order by AT and read, increase newly, delete network No.,, be used for reading, increasing newly or delete the network No. of 800M, 900M/1800M or 800M/900M/1800M double frequency to this network No. file such as newly-increased AT order " AT+PLMN ".This orders concrete form as follows:
At+plmn=＜mode 〉,＜type 〉, " number " revises the network No. file
At+plmn? the network No. that inquiry has been established
Operator scheme mode:1 increases
0 deletion
800 the net that network No. type type:0 is pure
1 pure 900/1800 net
The net that 2 800,900/1800 double frequency merges
Network No. number:5 to 6 bit digital is " 46000 " such as the network No. of China Mobile
Instantiation:
At+plmn=1,0, " 46007 " can add 800M network No. 46007; Annotate: the card of test usefulness is that HPLMN is 46007 card
At+plmn=1,1, " 46000 " can add 900M network No. 46000;
At+plmn=0,0, " 46007 " can delete the network No. 46007 of 800M;
At+plmn=0,1, " 46000 " can delete the network No. 46000 of 900M;
At+plmn? can inquire about all network No.s of having set in the network No. file, list these network No.s respectively according to different frequency range.
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (11)
1. the network search method of a portable terminal is characterized in that, comprises following steps:
In portable terminal, preserve the corresponding relation of network No. and frequency range in advance;
Portable terminal according to the network No. and the described corresponding relation of need search, is inquired about the pairing frequency range of this network No. when the needs registered network;
If described portable terminal finds the frequency range of described correspondence, search network in this frequency range then.
2. the network search method of portable terminal according to claim 1 is characterized in that, the described network No. that needs to search for is the network No. of the preceding network that once successfully lands, or the network No. of the pairing mobile communication carrier of described mobile terminal user identification card.
3. the network search method of portable terminal according to claim 1 is characterized in that, the corresponding relation of described preservation is the network No. of mobile communication carrier of each ownership and the corresponding relation of its corresponding band.
4. the network search method of portable terminal according to claim 3, it is characterized in that, network No. according to the described mobile communication carrier of the frequency range book of final entry that mobile communication carrier supported, described portable terminal is preserved described corresponding relation by the described network No. file by frequency range book of final entry network No. of storage.
5. according to the network search method of each described portable terminal in the claim 1 to 4, it is characterized in that, also comprise following steps:
If described portable terminal does not inquire the frequency range of described correspondence, this portable terminal search network in all frequency ranges of its support then.
6. according to the network search method of each described portable terminal in the claim 1 to 4, it is characterized in that described portable terminal is by AT order inquiry, increase or delete described corresponding relation.
7. a portable terminal is characterized in that, comprises:
Memory module is used for preserving in advance the corresponding relation of network No. and frequency range;
Enquiry module is used for when the needs registered network, according to the network No. and the described corresponding relation of need search, inquires about the pairing frequency range of this network No.;
Search module is used for when finding the frequency range of described correspondence search network in this frequency range.
8. portable terminal according to claim 7 is characterized in that, the described network No. that needs to search for is the network No. of the preceding network that once successfully lands, or the network No. of the pairing mobile communication carrier of described mobile terminal user identification card.
9. portable terminal according to claim 8, it is characterized in that, the corresponding relation of described preservation is the network No. of mobile communication carrier of each ownership and the corresponding relation of its corresponding band, described memory module is preserved described corresponding relation by storage network No. file, and this network No. file is according to the network No. of the described mobile communication carrier of the frequency range book of final entry that mobile communication carrier supported.
10. according to each described portable terminal in the claim 7 to 9, it is characterized in that described search module also is used for when not finding the frequency range of described correspondence, search network in all frequency ranges that this portable terminal is supported.
11. according to each described portable terminal in the claim 7 to 9, it is characterized in that described portable terminal also comprises maintenance module, be used for inquiring about, increase or delete described corresponding relation by the AT order.
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| CNA2006101491241A CN1949907A (en) | 2006-11-16 | 2006-11-16 | Mobile terminal and network searching method thereof |
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| CNA2006101491241A CN1949907A (en) | 2006-11-16 | 2006-11-16 | Mobile terminal and network searching method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217743B (en) * | 2008-01-11 | 2011-04-06 | 展讯通信（上海）有限公司 | An optimized method for network searching of dual-card mobile telephone |
| CN101610565B (en) * | 2009-06-26 | 2011-11-09 | 北京天碁科技有限公司 | Method and device for searching public land mobile network |
| CN103068009A (en) * | 2013-01-29 | 2013-04-24 | 中兴通讯股份有限公司 | Quick network finding method, system and mobile terminal |
| CN103209460A (en) * | 2012-01-14 | 2013-07-17 | 深圳市同洲电子股份有限公司 | Method for preferentially selecting communication network frequency band and communication terminal |
| CN103648148A (en) * | 2013-11-29 | 2014-03-19 | 宇龙计算机通信科技(深圳)有限公司 | Method for multimode terminal to register in network and terminal |
| CN104581884A (en) * | 2014-12-18 | 2015-04-29 | 广东欧珀移动通信有限公司 | Method for searching network through mobile terminal and mobile terminal |
| CN105959996A (en) * | 2016-04-28 | 2016-09-21 | 深圳市中兴物联科技股份有限公司 | Wireless terminal network searching method and device |
| WO2017166202A1 (en) * | 2016-03-31 | 2017-10-05 | 华为技术有限公司 | Electronic device and method for searching mobile communications network using same |
| CN108770041A (en) * | 2018-04-04 | 2018-11-06 | 深圳市优克联新技术有限公司 | Network fast speed access systems and method |
| CN109041043A (en) * | 2018-08-15 | 2018-12-18 | 深圳酷比通信股份有限公司 | The mobile network's searching method and system of mobile terminal |
| CN110913459A (en) * | 2019-12-17 | 2020-03-24 | 重庆邮电大学 | Method for optimizing network selection process of multi-mode multi-band user terminal |
| CN111181667A (en) * | 2018-11-13 | 2020-05-19 | 普天信息技术有限公司 | Processing method for cell selection based on NR-U |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101217743B (en) * | 2008-01-11 | 2011-04-06 | 展讯通信（上海）有限公司 | An optimized method for network searching of dual-card mobile telephone |
| CN101610565B (en) * | 2009-06-26 | 2011-11-09 | 北京天碁科技有限公司 | Method and device for searching public land mobile network |
| CN103209460A (en) * | 2012-01-14 | 2013-07-17 | 深圳市同洲电子股份有限公司 | Method for preferentially selecting communication network frequency band and communication terminal |
| CN103068009B (en) * | 2013-01-29 | 2018-05-04 | 中兴通讯股份有限公司 | A kind of method of Quick network finding, system and mobile terminal |
| CN103068009A (en) * | 2013-01-29 | 2013-04-24 | 中兴通讯股份有限公司 | Quick network finding method, system and mobile terminal |
| CN103648148A (en) * | 2013-11-29 | 2014-03-19 | 宇龙计算机通信科技(深圳)有限公司 | Method for multimode terminal to register in network and terminal |
| CN104581884B (en) * | 2014-12-18 | 2018-05-29 | 广东欧珀移动通信有限公司 | A kind of method and mobile terminal of search by mobile terminal network |
| CN104581884A (en) * | 2014-12-18 | 2015-04-29 | 广东欧珀移动通信有限公司 | Method for searching network through mobile terminal and mobile terminal |
| WO2017166202A1 (en) * | 2016-03-31 | 2017-10-05 | 华为技术有限公司 | Electronic device and method for searching mobile communications network using same |
| CN105959996A (en) * | 2016-04-28 | 2016-09-21 | 深圳市中兴物联科技股份有限公司 | Wireless terminal network searching method and device |
| CN108770041A (en) * | 2018-04-04 | 2018-11-06 | 深圳市优克联新技术有限公司 | Network fast speed access systems and method |
| CN109041043A (en) * | 2018-08-15 | 2018-12-18 | 深圳酷比通信股份有限公司 | The mobile network's searching method and system of mobile terminal |
| CN111181667A (en) * | 2018-11-13 | 2020-05-19 | 普天信息技术有限公司 | Processing method for cell selection based on NR-U |
| CN110913459A (en) * | 2019-12-17 | 2020-03-24 | 重庆邮电大学 | Method for optimizing network selection process of multi-mode multi-band user terminal |
| CN110913459B (en) * | 2019-12-17 | 2022-03-11 | 重庆邮电大学 | Method for optimizing network selection process of multi-mode multi-band user terminal |
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