CN1750681A - Network searching method of multiple frequency mobile communication terminal - Google Patents
Network searching method of multiple frequency mobile communication terminal Download PDFInfo
- Publication number
- CN1750681A CN1750681A CNA200510005269XA CN200510005269A CN1750681A CN 1750681 A CN1750681 A CN 1750681A CN A200510005269X A CNA200510005269X A CN A200510005269XA CN 200510005269 A CN200510005269 A CN 200510005269A CN 1750681 A CN1750681 A CN 1750681A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention discloses a network searching method of multi-frequency mobile communication terminal, in the multi-frequency terminal supporting GSM, basing on the base station it automatically searches the network, not only increases the user convenience, but also saves the using time of the terminal, therefore reduce the electric consumption to the minimum. The present invention is realized by the following steps: judging the desired area (local network area) band of first searching with the SIM card which is registered with the user information; when the scanning of the estimated band is successfully processed, carrying out net searching to the corresponding band; if the scanning of the local network area band of first searching is failed, scanning to the band of other areas; if the scanning of other area is successfully processed, carrying out network searching to the band of the area.
Description
Technical field
The present invention relates to a kind of network search method of multi-mode mobile communication terminal, more specifically, relate to a kind of in the terminal of supporting the GSM multifrequency, carry out the automatic network search according to the base station frequency band, with the service time of raising user friendliness, saving terminal, thereby make electric consumption be reduced to the network search method of minimum multi-mode mobile communication terminal.
Background technology
In the ordinary course of things, the multifrequency terminal refers to support the terminal of three above frequency bands, it is a kind of global system for mobile communications (GSM:global system for mobile communications) frequency band (850MHz to providing at present, 900MHz, 1800MHz, 1900MHz) in the service, support wherein three terminals with upper frequency.
Usually, terminal is carried out web search by the cell frequency of scanning base station, and present most terminals are to support the terminal of double frequency, that is, be the terminal of supporting 900/1800MHz or 850/1900MHz as showing among Fig. 1.
In above-mentioned dual band terminal, learn about the network search procedure of 900/1800MHz dual band terminal, at first scan each frequency band of 900MHz frequency, and then scan the 1800MHz frequency band, search out the base station frequency of current terminal their location, as mentioned above, in order to carry out the scanning of double frequency all channel, roughly need 30 seconds left and right sides time, during this period, owing to also have the work of RF module acceptance division, therefore will continue to consume the electric current that is about about 70 ~ 80mA.
In addition, also do not appear at the service that same country provides three above frequency bands simultaneously at present, still,, can carry out following narration in conjunction with the illustration figure among Fig. 2 about three runnings of the legacy network searching algorithm more than (Triple band) frequently.
Fig. 2 is relevant to the existing three illustration figure that utilize in frequently the running of legacy network searching algorithm to provide are described.(a) part is the situation of relevant 900/1800/1900MHz three frequency terminals among Fig. 2, if when searching for automatically, search three frequency bands (900/1800/1900MHz) in order one by one, when the user manually selects by menu, show as (b) part among Fig. 2, carry out different runnings according to different regions.That is, only search for two frequency bands (900/1800MHz) at European Region, and only search for the 1900MHz frequency band in U.S. area.
As previously discussed, the existing network searching algorithm also can be at four frequency (Quad band:850,900,1800,1900MHz) same this operation principle that is suitable in the terminal, promptly, situation for automatic search, search for all frequency bands in order one by one, and for the situation of manual search, only search is corresponding to the frequency band in the area by menu setting.
Therefore, if when adopting manual selection mode, above-mentioned existing network searching method is sizable inconvenience that user's use brings, and for the more frequent user of trip, also needs to understand in advance the service band information of corresponding area, situation for automatic search, compare with the manual search situation, though can provide convenience for the user, in this case, owing to also search for unnecessary frequency band, therefore caused the bigger problem of electric consumption.
Summary of the invention
Technical problem to be solved by this invention is, a kind of network search method of multi-mode mobile communication terminal is provided, in the terminal of supporting the GSM multifrequency, automatically carry out web search according to the base station frequency band, not only improved user friendliness, but also saved terminal service time, thereby make electric consumption be reduced to minimum.
To achieve these goals, the invention is characterized in, comprise the steps: to search for required area (local network area) frequency band first by the SIM card judgement of recording user information; The frequency band of above-mentioned judgement is scanned when successful, only frequency band is carried out web search; If when failure appears in the frequency scan in above-mentioned local network area of carrying out first, other regional frequency band is scanned; If during to other regional frequency scan success, only the frequency band of this area is carried out web search.
At present, distribute about the GSM frequency band, in Europe/Middle East/Central Asia/Southeast Asia/areas such as Africa/Australia provide 900/1800MHz service, and provide the service of 850/1900MHz frequency band in Canada/U.S./areas such as middle South America.In the prior art, select, only search for the 900/1800MHz frequency band at the 900/1800MHz service area, and in the 850/1900MHz service area, only search for the 850/1900MHz frequency band by custom menu.The core of the method that provides in the present invention is, searches for accordingly by automatic converted band, has not only improved user friendliness, but also has improved the electric consumption performance.
Description of drawings
Fig. 1 be relevant for explanation utilized the existing network searching algorithm automatically and the illustration figure that provides of manual search method;
Fig. 2 is relevant to the existing three illustration figure that utilize in frequently the running of legacy network searching algorithm to provide are described;
Fig. 3 is relevant to illustrating that the illustration figure that provides is provided the web search algorithm based on four frequency terminals of the present invention;
Fig. 4 is based on the network search method precedence diagram of multi-mode mobile communication terminal of the present invention.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is elaborated.
At first, when each constituent element that is each accompanying drawing is added identifier,,, also adopt identical symbol even if appear in other accompanying drawing for identical constituent element.
And, in the following description, provide for complete understanding the present invention such as multiple specific details such as concrete handling processes, for the professional in present technique field, can not need these specific detailed contents and implement the present invention.
Moreover, for outstanding core content of the present invention, omit generally acknowledging the detailed description of function and formation.
Fig. 3 is relevant to illustrating that the illustration figure that provides is provided the web search algorithm based on four frequency terminals of the present invention; For convenience of explanation, for the Europe and the example in U.S. area.
Usually, the SIM card that is used for GSM comprises user's registered network operator information, telephone number etc., if registered user's SIM card situation of European operator, at first as showing in (a) part among Fig. 3, the 900/1800MHz frequency band that service is provided by Europe is searched for and when finding network, represent active user Europe, therefore there is no need to search the 850/1900MHz frequency band.
(b) part is the relevant situation of having registered U.S. operator's terminal among Fig. 3, and the 850/1900MHz frequency band that service is provided by the U.S. is searched for and when finding network, represent the active user just in the U.S., so there is no need to search the 900/1800MHz frequency band.
As mentioned above, for the frequency band that at first needs to search for, will can realize by the registered network operator information in the reading SIM card information.
(c) part is the relevant situation of U.S. operator's terminal in Europe of having registered among Fig. 3, terminal at first based on SIM card information search U.S. area frequency band (850/1900MHz), at this moment, can't search this network certainly, for this reason, will search for other all frequency bands (900/1800MHz).
If when above-mentioned all frequency bands search is all failed, illustrate that terminal is in non-service area (NoService), will repeat above-mentioned search procedure according to search cycle of prior setting.
Fig. 4 is based on the network search method precedence diagram of multi-mode mobile communication terminal of the present invention, begins web search for after the terminal energized, at this moment, holds the frequency band that at first will search for by the information that is recorded in the SIM card.
That is, the registered network operator information in the reading SIM card information, the regional frequency band that scanning at first will be searched for.
When (for example: during 900/1800MHz) scanning first, illustrate that terminal is in the local network area, only frequency band is carried out web search afterwards successfully finishing above-mentioned frequency band.
If carry out first to the failure of the frequency scan in above-mentioned local network area the time, (for example: 850/1900MHz) scan, if when scan successfully, terminal is carried out web search to the frequency band of this area to other regional frequency band.
For example, if 900/1800MHz frequency scan when failure will be carried out the 850/1900MHz frequency scan, and during achieving success, can judge that terminal is in other network area.
In other words, most terminals of registered users are usually in the local network area of registration terminal first, therefore, when carrying out web search first regional in the present invention, at first to search for the frequency band in local network area, search for successfully as a rule, thereby reduced the consuming time and electric consumption that carries out other unnecessary search and produce.
And, when reason such as go on business need move to other frequency band area, do not need the manual setup menu of user, also can search for the service band of corresponding area automatically, thereby improve user friendliness.
As described above, by network search method by multi-mode mobile communication terminal provided by the invention, in the terminal of supporting the GSM multifrequency, based on the automatic search network of base station frequency band, not only improved user friendliness, but also saved the service time of terminal, make electric consumption be reduced to minimum effect thereby reached.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (4)
1. the network search method of a multi-mode mobile communication terminal is characterized in that, comprises the steps:
Search for required local network area frequency band first by the SIM card judgement of recording user information;
The frequency band of above-mentioned judgement is scanned when successful, only frequency band is carried out web search;
If when failure appears in the frequency scan in above-mentioned local network area of carrying out first, other regional frequency band is scanned;
If during to other regional frequency scan success, only the frequency band of this area is carried out web search.
2. the network search method of a kind of multi-mode mobile communication terminal according to claim 1 is characterized in that, when local network area frequency band is searched in above-mentioned judgement first, will judge based on the registered network operator information in the SIM card information.
3. according to the network search method of a kind of multi-mode mobile communication terminal described in the claim 1, it is characterized in that, also comprise the steps: if all frequency bands regional to above-mentioned local network and that other is regional are searched for when all failure occurring, be judged as terminal and be in non-service area, and repeat above-mentioned search step according to the search cycle of appointment.
4. according to the network search method of a kind of multi-mode mobile communication terminal described in the claim 1, it is characterized in that, above-mentioned local network area is the user area of registration terminal first, as web search area first, frequency band to the local network area is searched for, thereby can improve the chance of success of web search.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040073108A KR100631592B1 (en) | 2004-09-13 | 2004-09-13 | Network discovery method of multi-band mobile communication terminal |
| KR1020040073108 | 2004-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1750681A true CN1750681A (en) | 2006-03-22 |
Family
ID=36605902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200510005269XA Pending CN1750681A (en) | 2004-09-13 | 2005-02-03 | Network searching method of multiple frequency mobile communication terminal |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100631592B1 (en) |
| CN (1) | CN1750681A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105101352A (en) * | 2015-06-12 | 2015-11-25 | 小米科技有限责任公司 | Frequency band searching method and frequency band searching device |
| CN105979574A (en) * | 2016-06-24 | 2016-09-28 | 努比亚技术有限公司 | Network search method and terminal |
| CN104038985B (en) * | 2014-06-30 | 2019-04-26 | 联想(北京)有限公司 | Communication network search method and electronic equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100811845B1 (en) | 2006-10-20 | 2008-03-10 | 삼성전자주식회사 | Apparatus and method for frequency scanning in mobile terminal |
| KR100763600B1 (en) * | 2006-11-02 | 2007-10-05 | 한국전자통신연구원 | Apparatus and method and medium for searching an accessible wireless network in software defined radio terminal |
-
2004
- 2004-09-13 KR KR1020040073108A patent/KR100631592B1/en not_active IP Right Cessation
-
2005
- 2005-02-03 CN CNA200510005269XA patent/CN1750681A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104038985B (en) * | 2014-06-30 | 2019-04-26 | 联想(北京)有限公司 | Communication network search method and electronic equipment |
| CN105101352A (en) * | 2015-06-12 | 2015-11-25 | 小米科技有限责任公司 | Frequency band searching method and frequency band searching device |
| CN105979574A (en) * | 2016-06-24 | 2016-09-28 | 努比亚技术有限公司 | Network search method and terminal |
| CN105979574B (en) * | 2016-06-24 | 2019-08-30 | 努比亚技术有限公司 | A kind of network search method and terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060024218A (en) | 2006-03-16 |
| KR100631592B1 (en) | 2006-10-09 |
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