CN101483907A - Mobile communication terminal and cell searching method thereof - Google Patents
Mobile communication terminal and cell searching method thereof Download PDFInfo
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- CN101483907A CN101483907A CNA2009100075416A CN200910007541A CN101483907A CN 101483907 A CN101483907 A CN 101483907A CN A2009100075416 A CNA2009100075416 A CN A2009100075416A CN 200910007541 A CN200910007541 A CN 200910007541A CN 101483907 A CN101483907 A CN 101483907A
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Abstract
The invention provides a mobile communication terminal and a cell search method thereof, and the method comprises counting the periodical routing updating times and periodical location area updating times of the mobile communication terminal in a district; judging whether the times exceeds a preset threshold or not; if the times exceeds the threshold, the district information of the district is stored; and cell search is carried out according to the district information being stored. The embodiment of the invention has the advantages that as the technical means of carrying out band search according to the district information being stored in advance, the technical problem of consuming long time by full band search when a mobile phone is switched on is solved, thus leading the mobile communication terminal to carrying out the cell search more rapidly and conveniently.
Description
Technical field
The present invention in particular to the technology of mobile communication terminal, is a kind of mobile communication terminal and small region search method thereof relevant for wireless communication technology field specifically.
Background technology
The third generation has moved partner plan (3GPP, 3rd Generation Partnership Project) since issuing first cover and comprise the WCDMA standard of complete series the end of the year 1999, and the WCDMA mobile communication system has obtained commercialization more and more widely in the whole world.And stipulate that in the 3GPP agreement there are two kinds of search scenes in mobile communication terminal when initiating Cell searching: 1) initial ranging; 2) there is the search of priori.
Under the initial ranging scene, mobile communication terminal will be searched for frequency range and the frequency that oneself is supported.
Exist under the priori search scene, the mobile communication terminal Cell searching comprises following two steps: 1) search for and oneself be kept at Subscriber Identity Module ((U) SIM ((UMTS) Subscriber identity module, (UMTS) Subscriber Identity Module, wherein UMTS refers to: Universal Mobile TelecommunicationsSystem, be Universal Mobile Telecommunications System) in cell list; 2) if can't search suitable network, with the frequency range and the frequency of search oneself support.
Shown in Figure 1 is the general flow of Cell searching under the existing protocol standard.
(U) cell list in the SIM card is in processes such as shutdown, mobile communication terminal is according to the realization of oneself, this PLMN (PLMN, Public Land Mobile Network) all frequencies all remain in (U) SIM card, or keep a part (Serving cell and adjacent area thereof).Because frequency range and ARFCN under the same PLMN are too much, at present, most of mobile communication terminal all only keeps the information of Serving cell and adjacent area thereof.
In realizing process of the present invention, the inventor finds that there are the following problems in the prior art: prior protocols be GSM and WCDMA separate provision 9 and 14 frequency ranges.And increasing mobile communication terminal is supported multiband.In case mobile communication terminal can't search suitable network according to the cell list of preserving in (U) SIM card, will be forced to initiate the frequency range of its all supports and the search procedure of frequency.This process not only needs the user to wait for the long period, and also very big to the power influences of mobile communication terminal.
And for most of mobile communication terminal, its resident place is relatively stable, and promptly for the most of user who keeps the shutdown custom, it often shuts down and the place of often start is relatively-stationary; And these two places there are differences, for example, and most of user shutdown at home and start shooting in office.At this moment, can't guarantee that mobile communication terminal only successfully searches suitable network according to the cell list of preserving in (U) SIM card.
And; for a lot of commercial personages; roam into each countries and regions through regular meeting; even in (U) SIM card, preserved all frequency ranges and the frequency point information that each PLMN supported, also need mobile communication terminal all to search for all frequency ranges and the frequency oneself supported for one time sometimes and just can search suitable network.At this moment, the time of start search for the first time will be very long, because (U) cell list of preserving in the SIM card can't search in new countries and regions.After this, in case (U) cell list of preserving in the SIM card can't search, mobile communication terminal will be initiated very long full frequency band search procedure consuming time.
Summary of the invention
The embodiment of the invention provides a kind of mobile communication terminal and small region search method thereof, with faster, carry out Cell searching more easily.
To achieve these goals, embodiments of the invention provide the small region search method in a kind of mobile communication terminal, and this method comprises: the periodicity routing update of statistics mobile communication terminal in a sub-district and the number of times of periodical location area renewal; Judge whether above-mentioned number of times has surpassed predefined threshold value; When above-mentioned number of times surpasses above-mentioned threshold value, the cell information of above-mentioned sub-district is stored; Carry out Cell searching according to the above-mentioned cell information of being stored.
To achieve these goals, embodiments of the invention also provide a kind of mobile communication terminal, change mobile communication terminal and comprise: statistic unit is used to add up the periodicity routing update of mobile communication terminal in a sub-district and the number of times of periodical location area renewal; Judging unit is used to judge whether above-mentioned number of times has surpassed predefined threshold value; Memory cell is used for when above-mentioned number of times surpasses above-mentioned threshold value the cell information of above-mentioned sub-district being stored; Search unit is used for carrying out Cell searching according to the above-mentioned cell information of being stored.
The beneficial effect of the embodiment of the invention is, owing to adopted the technological means of carrying out frequency band search according to the cell information of storage in advance, therefore full frequency band is searched for the technical problem of length consuming time when solving start, thus make mobile communication terminal faster, carry out Cell searching more easily.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the invention, constitutes the application's a part, does not constitute limitation of the invention.In the accompanying drawings:
Shown in Figure 1 is the general flow of Cell searching under the existing protocol standard;
The flow chart of the small region search method in the mobile communication terminal of the embodiment of the invention 1 that shown in Figure 2 is;
The flow chart of the small region search method in the mobile communication terminal of the embodiment of the invention 2 that shown in Figure 3 is;
The flow chart of the small region search method in the mobile communication terminal of the embodiment of the invention 3 that shown in Figure 4 is;
The structured flowchart of the mobile communication terminal of the embodiment of the invention 4 shown in Figure 5;
Shown in Figure 6 is the structured flowchart of the mobile phone of the embodiment of the invention 5;
Shown in Figure 7 is the structured flowchart of the updating block of the embodiment of the invention 6.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer,, the present invention is described in further details below in conjunction with execution mode and accompanying drawing.At this, exemplary embodiment of the present invention and explanation thereof are used to explain the present invention, but not as a limitation of the invention.
Embodiment 1
The flow chart of the small region search method in the mobile communication terminal of the embodiment of the invention 1 that shown in Figure 2 is.As shown in Figure 2, the small region search method in the mobile communication terminal of the embodiment of the invention 1 comprises:
S201: the periodicity routing update of statistics mobile communication terminal in a sub-district and the number of times of periodical location area renewal;
S202: judge whether above-mentioned number of times has surpassed predefined threshold value;
S203: when above-mentioned number of times surpasses above-mentioned threshold value, the cell information of above-mentioned sub-district is stored;
S204: carry out Cell searching according to the above-mentioned cell information of being stored.
In the embodiment of the invention 1, at first measurement period route, lane place add up update times, when this number of times surpasses a threshold value, to store corresponding to the cell information of this route, lane place, then when mobile communication terminal when startup, earlier do not carry out the search of full frequency band, but carry out the frequency band search of respective cell according to the above-mentioned cell information of having stored.
In the embodiment of the invention 1, when the user starts shooting search cell, the cell information of adding up and storing when using started shooting last time is searched for, and the cell information of adding up and storing under the current by that analogy open state can be used when Cell searching is carried out in start next time.
In the embodiment of the invention 1, because elder generation stores the cell information of the sub-district of frequent use, and the cell information according to storage in advance carries out frequency band search earlier before start, if the words that do not search are carried out the full frequency band search again, therefore shortened the time of frequency band search, made user's mobile communication terminal can carry out Cell searching faster, more easily.
The flow chart of the small region search method in the mobile communication terminal of the embodiment of the invention 2 that shown in Figure 3 is.As shown in Figure 3, the small region search method in the mobile communication terminal of the embodiment of the invention 2 comprises:
S301: start;
S302: judge in (U) SIM card and preserve cell list? "Yes" then forwards step S303 to, and "No" then forwards step S305 to;
S303: the sub-district of preserving in search (U) SIM card;
S304: judge whether to search suitable network: "Yes" then finishes Cell searching, and "No" then forwards step S305 to;
S305: the periodicity routing update of statistics mobile communication terminal in a sub-district and the number of times of periodical location area renewal; Judge whether described number of times has surpassed predefined threshold value; When described number of times surpasses threshold value, judge whether to want retention cycle route, location area updating number of times cell information greater than the sub-district of threshold value? "Yes" then forwards step S306 to, and "No" then forwards step S308 to;
S306: the cell information of preserving described sub-district, carry out frequency band search according to the cell information of being stored, in the embodiment of the invention 2, above-mentioned according to the cell information of being stored carry out frequency band search can be the storage after can carry out, also can be when starting shooting, to carry out again next time;
S307: judge whether to search suitable network? "Yes" then finishes Cell searching, and "No" then forwards step S308 to;
S308: all frequency ranges and frequency that search mobile communication terminal oneself is supported;
Finish Cell searching.
In the embodiment of the invention 2, above-mentioned cell information comprises: PLMN information (Public Land Mobile Network:PLMN), absolute radio frequency channel number information (Absolute RadioFrequency Channel Number:ARFCN) and Primary Synchronisation Code information (PrimarySynchronisation Code:PSC).
In addition, in the embodiment of the invention 2, also can suspend the periodicity routing update of described statistics mobile communication terminal in a sub-district and the operation of the number of times that upgrades of periodical location area according to being provided with of user; Also can from the cell information of being stored, delete cell information unnecessary according to user's setting.
Embodiments of the invention 2 have been owing to adopted the cell information according to storage in advance to carry out the technological means of frequency band search, thus make mobile communication terminal faster, carry out Cell searching more easily.
Embodiment 3
The flow chart of the small region search method in the mobile communication terminal of the embodiment of the invention 3 that shown in Figure 4 is.As shown in Figure 4, the small region search method in the mobile communication terminal of the embodiment of the invention 3 comprises:
S401: the periodicity routing update of statistics mobile communication terminal in a sub-district and the number of times of periodical location area renewal;
S402: judge whether above-mentioned number of times has surpassed predefined threshold value;
S403: when above-mentioned number of times surpasses above-mentioned threshold value, the cell information of above-mentioned sub-district is stored;
S404: the above-mentioned cell information of being stored is carried out real-time update according to predefined strategy;
S405: the above-mentioned cell information according to storage carries out Cell searching;
S406: if do not find corresponding sub-district then carry out full frequency band search.
Wherein, in the embodiment of the invention 3, above-mentioned steps S404 can carry out by any time point under open state, carries out and be not limited to after step S203.
In the embodiment of the invention 3, above-mentioned cell information comprises: PLMN information, absolute radio frequency channel number information and Primary Synchronisation Code information.
Above-mentionedly according to predefined strategy the above-mentioned cell information of being stored is carried out updating steps and comprises: when the mobile communication terminal of current statistics in a sub-district the periodicity routing update and the number of times of location area updating, greater than portable terminal in the cell information corresponding district of storage the periodicity routing update and during the number of times of location area updating, the cell information of being stored with the sub-district corresponding district information replacement of current statistics.
Wherein, can replace the few cell information of the statistics number of similar frequency bands, replace the few cell information of statistics number with identical PLMN information and replace few modes such as cell information of statistics number with the many cell informations of statistics number in identical route district or lane place with the many cell informations of statistics number with the many cell informations of statistics number.Be the number of times that real-time statistics periodicity routing update and periodical location area upgrade, replace the few cell information of number of times with cell information often.
The statistics mobile communication terminal in a sub-district the periodicity routing update and the number of times of location area updating, can comprise: the periodicity routing update of statistics certain frequency range of mobile communication terminal in a sub-district and the number of times of location area updating.Then when the periodicity routing update of mobile communication terminal this frequency range in described sub-district of current statistics and the number of times of location area updating, during greater than the number of times of portable terminal the periodicity routing update of similar frequency bands and location area updating in the cell information corresponding district of storage, the cell information of being stored with the sub-district corresponding district information replacement of current statistics.Perhaps, the statistics mobile communication terminal in a sub-district the periodicity routing update and the number of times of location area updating comprise: the statistics mobile communication terminal in a sub-district the periodicity routing update and the number of times of location area updating, the cell information of this sub-district comprises a certain PLMN information.Then when the mobile communication terminal of current statistics in the cell information corresponding district with storage has the sub-district of identical PLMN information the periodicity routing update and the number of times of location area updating, greater than portable terminal in the cell information corresponding district of storage the periodicity routing update and during the number of times of location area updating, the cell information of being stored with the sub-district corresponding district information replacement of current statistics.Perhaps, the statistics mobile communication terminal in a sub-district the periodicity routing update and the number of times of location area updating comprise: statistics mobile communication terminal a certain route district or the periodicity routing update of lane place and number of times of location area updating in a sub-district.Mobile communication terminal this route district or the periodicity routing update of lane place and number of times of location area updating in described sub-district of then working as current statistics, during greater than the number of times of the periodicity routing update of portable terminal identical route district or lane place in the cell information corresponding district of storage and location area updating, the cell information of being stored with the sub-district corresponding district information replacement of current statistics.
For supporting the multi-frequency band mobile communication terminal,, will be forced to initiate the frequency range of its all supports and the search procedure of frequency in case mobile communication terminal can't search suitable network according to the cell list of preserving in (U) SIM card.This process not only needs the user to wait for the long period, and also very big to the power influences of mobile communication terminal.For frequent switching on and shutting down, and the user that there are differences of switching on and shutting down place and the frequent user of roaming, after simply resident sub-district and adjacent area were can't avoid starting shooting once more when (U) SIM card is preserved last shutdown, mobile communication terminal entered the full frequency band search.
And in the embodiment of the invention 3, divide type storage frequency of utilization high cell information at the problems referred to above, thus when start, carry out frequency band search according to the cell information of being stored earlier, therefore significantly reduced the frequency band search time.
Embodiment 4
The structured flowchart of the mobile communication terminal of the embodiment of the invention 4 shown in Figure 5.As shown in Figure 5, the mobile communication terminal of the embodiment of the invention 4 comprises: statistic unit 501 is used to add up the periodicity routing update of mobile communication terminal in a sub-district and the number of times of periodical location area renewal; Judging unit 502 is used to judge whether above-mentioned number of times has surpassed predefined threshold value; Memory cell 503 is used for when above-mentioned number of times surpasses above-mentioned threshold value the cell information of above-mentioned sub-district being stored; Search unit 504 is used for carrying out Cell searching according to the above-mentioned cell information of being stored.
In the embodiment of the invention 4, the statistic unit 501 of mobile communication terminal is measurement period route, lane place accumulative total update times at first, when judging unit 502 is judged as this number of times above a threshold value, to store memory cell 503 corresponding to the cell information of this route, lane place into, then search unit 504 is when mobile communication terminal when startup, earlier do not carry out the search of full frequency band, but carry out the frequency band search of respective cell according to the above-mentioned cell information of having stored.
And in the embodiment of the invention 4, can be by introducing new cell list, make cell list be used for adding up portable terminal number of times of upgrading of routing update and periodical location area periodically under each sub-district, and the mode that is kept in the register of portable terminal realize.
And in the embodiment of the invention 4, above-mentioned mobile communication terminal can also comprise: judging unit is used to judge whether above-mentioned search unit searches corresponding sub-district according to the above-mentioned cell information of being stored; The full frequency band search unit is used for working as above-mentioned judgment unit judges for not searching corresponding sub-district, then carries out the full frequency band search.
In the embodiment of the invention 4, because elder generation stores the cell information of the sub-district of frequent use, and the cell information according to storage in advance carries out frequency band search earlier before start, if the words that do not search are carried out the full frequency band search again, therefore shortened the time of frequency band search, made user's mobile communication terminal can carry out Cell searching faster, more easily.
Embodiment 5
Shown in Figure 6 is the structured flowchart of the mobile phone of the embodiment of the invention 5.As shown in Figure 6, the mobile phone of the embodiment of the invention 5 comprises: statistic unit 601 is used to add up the periodicity routing update of mobile communication terminal in a sub-district and the number of times of periodical location area renewal; Judging unit 602 is used to judge whether above-mentioned number of times has surpassed predefined threshold value; Memory cell 603 is used for when above-mentioned number of times surpasses above-mentioned threshold value the cell information of above-mentioned sub-district being stored; Updating block 604 is used for according to predefined strategy the above-mentioned cell information of being stored being upgraded; Search unit 605 is used for carrying out Cell searching according to the above-mentioned cell information of being stored.
Described updating block 604 can comprise the renewal subelement, be used for mobile communication terminal when current statistics in a sub-district the periodicity routing update and the number of times of location area updating, greater than portable terminal in the cell information corresponding district of storage the periodicity routing update and during the number of times of location area updating, the cell information of being stored with the sub-district corresponding district information replacement of current statistics.Can be at a certain time interval or put with regular time and to upgrade operation, thus the cell information of storage in the real-time update said memory cells 603.
In the embodiment of the invention 5,, therefore improved practicality because the number of times that real-time statistics periodicity routing update and periodical location area upgrade is replaced the few cell information of number of times with cell information often.
Embodiment 6
The embodiment of the invention 6 is that with the foregoing description 5 differences updating block upgrades operation with different strategies.
Shown in Figure 7 is the structured flowchart of the updating block of the embodiment of the invention 6.As shown in Figure 7, the renewal subelement of the embodiment of the invention 6 can comprise: with frequency range update module 701, be used for when the periodicity routing update of mobile communication terminal certain frequency range in described sub-district of current statistics and the number of times of location area updating, during greater than the number of times of portable terminal the periodicity routing update of similar frequency bands and location area updating in the cell information corresponding district of storage, the cell information of being stored with the sub-district corresponding district information replacement of current statistics. With information updating module 702, be used for when the mobile communication terminal of current statistics in the cell information corresponding district with storage has the sub-district of identical PLMN information the periodicity routing update and the number of times of location area updating, greater than portable terminal in the cell information corresponding district of storage the periodicity routing update and during the number of times of location area updating, the cell information of being stored with the sub-district corresponding district information replacement of current statistics.Co-located update module 703, be used for mobile communication terminal certain route district or the periodicity routing update of lane place and number of times of location area updating in described sub-district when current statistics, during greater than the number of times of the periodicity routing update of portable terminal identical route district or lane place in the cell information corresponding district of storage and location area updating, the cell information of being stored with the sub-district corresponding district information replacement of current statistics.
Promptly, in the embodiment of the invention 6, mobile communication terminal can upgrade cell information with different strategies, thereby satisfies user's different demands.
Embodiment 7
The embodiment of the invention 7 is that with the foregoing description 5 differences the mobile communication terminal of the embodiment of the invention 7 also comprises: suspend statistic unit and delete cells (not shown).Wherein above-mentioned time-out statistic unit is used for suspending the operation that described statistic unit is added up according to being provided with of user; Above-mentioned delete cells is used for deleting the cell information that described memory cell is stored.
Promptly, in the embodiment of the invention 7, have user's short-term or arrive other local situations for a long time.
For user's short-term other local situations of going on business or spend a holiday,, therefore there is no need to store the cell information of the sub-district of this this area because that mobile communication terminal signs in to the chance of sub-district of this area once more is very little.Given this, the user can not work statistic unit by above-mentioned time-out statistic unit, promptly current periodicity routing update and periodical location area renewal is not added up, thereby has been avoided unnecessary operation.
And for user's other local situations of often travelling on business trips or spend a holiday, because the user often travels on business trips, therefore the renewal of measurement period routing update and periodical location area is necessary, but when the user finishes to go on business or spend a holiday, the cell information that is stored in memory cell is just utterly useless, this moment, the user can delete the cell information of storing in the memory cell by delete cells, thereby had avoided storing unnecessary cell information.
The beneficial effect of the embodiment of the invention is, owing to adopted the technological means of carrying out frequency band search according to the cell information of storage in advance, full frequency band is searched for the technical problem of length consuming time during the start that therefore solves, thus make mobile communication terminal faster, carry out Cell searching more easily.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. the small region search method in the mobile communication terminal is characterized in that this method comprises:
The periodicity routing update of statistics mobile communication terminal in a sub-district and the number of times of periodical location area renewal;
Judge whether described number of times has surpassed predefined threshold value;
When described number of times surpasses described threshold value, the cell information of described sub-district is stored;
Carry out Cell searching according to the described cell information of being stored.
2. the small region search method in the mobile communication terminal according to claim 1 is characterized in that, described cell information comprises: PLMN information, absolute radio frequency channel number information and Primary Synchronisation Code information.
3. the small region search method in the mobile communication terminal according to claim 2 is characterized in that, also comprises:
According to predefined strategy the described cell information of being stored is upgraded.
4. the small region search method in the mobile communication terminal according to claim 3 is characterized in that, describedly according to predefined strategy the described cell information of being stored is carried out updating steps and comprises:
When the mobile communication terminal of current statistics in a sub-district the periodicity routing update and the number of times of location area updating, greater than portable terminal in the cell information corresponding district of storage the periodicity routing update and during the number of times of location area updating, the cell information of being stored with the sub-district corresponding district information replacement of current statistics.
5. the small region search method in the mobile communication terminal according to claim 1 is characterized in that, described method also comprises:
Suspend the periodicity routing update of described statistics mobile communication terminal in a sub-district and the operation of the number of times that upgrades of periodical location area according to being provided with of user.
6. the small region search method in the mobile communication terminal according to claim 1 is characterized in that, described method also comprises:
The described cell information that deletion is stored that is provided with according to the user.
7. a mobile communication terminal is characterized in that, described mobile communication terminal comprises:
Statistic unit is used to add up the periodicity routing update of mobile communication terminal in a sub-district and the number of times of periodical location area renewal;
Judging unit is used to judge whether described number of times has surpassed predefined threshold value;
Memory cell is used for when described number of times surpasses described threshold value the cell information of described sub-district being stored;
Search unit is used for carrying out Cell searching according to the described cell information of being stored.
8. mobile communication terminal according to claim 7 is characterized in that, described mobile communication terminal also comprises:
Updating block is used for according to predefined strategy the described cell information of being stored being upgraded.
9. mobile communication terminal according to claim 8, it is characterized in that, described updating block comprises: upgrade subelement, be used for mobile communication terminal when current statistics in a sub-district the periodicity routing update and the number of times of location area updating, greater than portable terminal in the cell information corresponding district of storage the periodicity routing update and during the number of times of location area updating, the cell information of being stored with the sub-district corresponding district information replacement of current statistics.
10, mobile communication terminal according to claim 9 is characterized in that, described renewal subelement comprises:
With the frequency range update module, be used for when the periodicity routing update of mobile communication terminal certain frequency range in described sub-district of current statistics and the number of times of location area updating, during greater than the number of times of portable terminal the periodicity routing update of similar frequency bands and location area updating in the cell information corresponding district of storage, the cell information of being stored with the sub-district corresponding district information replacement of current statistics; And/or
Same information updating module, be used for when the mobile communication terminal of current statistics in the cell information corresponding district with storage has the sub-district of identical PLMN information the periodicity routing update and the number of times of location area updating, greater than portable terminal in the cell information corresponding district of storage the periodicity routing update and during the number of times of location area updating, the cell information of being stored with the sub-district corresponding district information replacement of current statistics; And/or
The co-located update module, be used for mobile communication terminal certain route district or the periodicity routing update of lane place and number of times of location area updating in described sub-district when current statistics, during greater than the number of times of the periodicity routing update of portable terminal identical route district or lane place in the cell information corresponding district of storage and location area updating, the cell information of being stored with the sub-district corresponding district information replacement of current statistics.
11. mobile communication terminal according to claim 7 is characterized in that, described mobile communication terminal also comprises:
Suspend statistic unit, be used for suspending the operation that described statistic unit is added up according to being provided with of user.
12. mobile communication terminal according to claim 7 is characterized in that, described mobile communication terminal also comprises:
Delete cells is used for deleting the cell information that described memory cell is stored.
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| CNA2009100075416A CN101483907A (en) | 2009-02-17 | 2009-02-17 | Mobile communication terminal and cell searching method thereof |
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| CN103096434A (en) * | 2011-11-08 | 2013-05-08 | 联芯科技有限公司 | Method of terminal cell search |
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| CN103188748A (en) * | 2011-12-31 | 2013-07-03 | 联想(北京)有限公司 | Network residing method used for mobile terminal and mobile terminal |
| CN105704786A (en) * | 2014-11-28 | 2016-06-22 | 展讯通信（上海）有限公司 | Cell rapid searching method and mobile terminal |
| CN105792163A (en) * | 2014-12-24 | 2016-07-20 | 联芯科技有限公司 | Updating method and updating device of sub-band search association table, cell search method and cell search device |
| CN106804057A (en) * | 2015-11-26 | 2017-06-06 | 中国移动通信集团公司 | Method for searching network and device under a kind of double-standby terminal off-grid state |
| CN108702614A (en) * | 2016-03-11 | 2018-10-23 | 索尼移动通讯有限公司 | The method and the mobile communications device for implementing this method that frequency scan is prioritized are provided |
| CN108574548A (en) * | 2017-03-13 | 2018-09-25 | 电信科学技术研究院 | A kind of small region search method and UE |
| CN108574548B (en) * | 2017-03-13 | 2019-09-17 | 电信科学技术研究院 | A kind of small region search method and UE |
| CN111247839A (en) * | 2018-06-06 | 2020-06-05 | 华为技术有限公司 | Communication method and device |
| CN111247839B (en) * | 2018-06-06 | 2021-06-08 | 华为技术有限公司 | Communication method and device |
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