CN103209460A - Method for preferentially selecting communication network frequency band and communication terminal - Google Patents
Method for preferentially selecting communication network frequency band and communication terminal Download PDFInfo
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- CN103209460A CN103209460A CN201210010531XA CN201210010531A CN103209460A CN 103209460 A CN103209460 A CN 103209460A CN 201210010531X A CN201210010531X A CN 201210010531XA CN 201210010531 A CN201210010531 A CN 201210010531A CN 103209460 A CN103209460 A CN 103209460A
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The invention is applicable to the field of mobile communication and provides a method for preferentially selecting a communication network frequency band and a communication terminal. The method for preferentially selecting the communication network frequency band is used for the communication terminal communicating with a base station and includes the following steps: acquiring time information and network setting information of a current region, acquiring corresponding frequency band information from stored communication setting information according to the acquired time information and network setting information of the current region, judging whether the frequency band information contains only one frequency band and selecting the frequency band as a first communication frequency band to conduct communication with the base station when the frequency band information contains only one frequency band. According to the method for preferentially selecting the communication network frequency band and the communication terminal, the electric quantity of the communication terminal can be saved while the network searching speed can be increased .
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of method and communication terminal of preferentially choosing the communication network frequency range.
Background technology
In recent years, along with making rapid progress of mobile communication technology development, the continuous maturation of the mobile communication system of a new generation is also progressively moved towards commercialization.The intersection of various new and old communication network (for example 2G, 3G and 4G) makes mobile communication business abundant more and personalized, also makes simultaneously to use the network of multiple standard to become a reality in same mobile communication terminal.
In current mobile communication system, in order to realize communication function, need to shift to an earlier date search network and suitable frequency range is set.In the process of described search network, usually earlier selected a certain network carries out poll one by one to the frequency range of described network support again, and frequency range is set respectively connects the base station communicating, thereby realizes search.For instance, for global system for mobile communications (Global System for Mobile communication, hereinafter to be referred as GSM) network, its frequency range can be set to EGSM, DCS1800, PCS1900 and GSM850 respectively, whenever, a frequency range is set namely and base station communication, if successful connection is then chosen the frequency range of successful connection as communication signal frequency band.
Yet above-mentioned searching method still exists drawback.For example, Wideband CDMA Technology (the Wideband Code-Division Multiple Access that IPhone 4 supports, hereinafter to be referred as WCDMA) frequency range is divided into 85,0/9,00/,190,0/2,100 4 kinds, and in China and European, WCDMA only uses the signal of 2100 frequency ranges, in the U.S., WCDMA then has the signal of 85,0/1,900 two kinds of frequency ranges.Therefore, in China and European, only need to pay close attention to 2100 frequency ranges, and in the U.S., then only need to pay close attention to 850/1900 these two kinds of frequency ranges.And according to above-mentioned searching method, then need four kinds of frequency ranges that WCDMA supports are carried out poll, this will prolong the web search time, and the electric weight of waste communication terminal.For the multi-mode communication terminal of supporting the multiple network standard, it is more outstanding that this drawback will become.
Summary of the invention
The object of the present invention is to provide a kind of method and communication terminal of preferentially choosing the communication network frequency range, to solve the problem at losing time of causing in the process of choosing of communication network frequency range and communication terminal electric weight.
Embodiments of the invention have proposed a kind of method of preferentially choosing the communication network frequency range, are used for the communication terminal with base station communication, it is characterized in that described method comprises following steps: temporal information and the network setup information of obtaining current area; Temporal information and network setup information according to the described current area that obtains are obtained corresponding band information from the communications setting information of storage; Judge whether described band information only comprises a frequency range; And when described band information only comprises a frequency range, choose described frequency range as first communications band with described base station communication.
More excellent, described method further comprises following steps: when described band information comprises a plurality of frequency range, select described a plurality of frequency range respectively and communicate by letter with the examination of described base station with the frequency range of described selection, to obtain a plurality of communication signal strength corresponding with described a plurality of frequency ranges; And contrast described a plurality of communication signal strength, and with the frequency range of the strongest communication signal strength correspondence as described first communications band with described base station communication.
Embodiments of the invention have proposed a kind of communication terminal of preferentially choosing the communication network frequency range in addition, be used for and base station communication, it is characterized in that described communication terminal comprises memory module, information chooses module and frequency range is chosen module: memory module is used for the storing communication configuration information.The information acquisition module is used for obtaining and transmitting temporal information and the network setup information in current area.Frequency range is chosen module and is coupled to described memory module and described information acquisition module, be used for to receive temporal information and the network setup information in the described current area that described information acquisition module sends out, and from described communications setting information, obtain corresponding band information according to temporal information and the network setup information in described current area; Judge whether described band information only comprises a frequency range; And when described band information only comprises a frequency range, choose described frequency range as first communications band with described base station communication.
More excellent, when described band information comprised a plurality of frequency range, described frequency range was chosen module and is selected described a plurality of frequency range respectively, and communicated by letter to obtain a plurality of communication signal strength corresponding with described a plurality of frequency ranges with the examination of described base station with the frequency range of described selection; Contrast described a plurality of communication signal strength, and with the frequency range of the strongest communication signal strength correspondence as described first communications band with described base station communication.
The above-described method of communication network frequency range and the speed that communication terminal can be accelerated web search preferentially chosen is saved the electric weight of communication terminal simultaneously.
Description of drawings
Fig. 1 is the flow chart according to the method for preferentially choosing the communication network frequency range of one embodiment of the invention;
Fig. 2 is the calcspar according to the communication terminal of preferentially choosing the communication network frequency range of one embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
Current, for convenience of description the time all over the world, the whole world is divided into 24 time zones (time zone) by longitude, and each time zone accounts for 15 ° of longitudes.In 24 time zones, the zero zone is central meridian with the first meridian, by the zero zone eastwards, extend in the Western Hemisphere that 12 districts are respectively arranged, its Middle East/Xi1-11Qu is complete time zone, and east/Xi12Qu is the half district, use jointly 180 ° of warps local time to constitute a complete time zone.
In fact, in the world much countries and regions are not strict comes computing time by the time zone.For employing unified time in the scope of the whole nation (or area), generally all can be the time standard of the time in some time zones in the region as the unified employing in the whole nation (or area).For example, China the time of the Dong8Qu at place, Beijing, capital as national unified time standard, be called Beijing time.Again for example, states such as Britain, France, Holland and Belgium though be located in middle time zone, for consistent with the European most countries time, then adopt European East Time, and namely the time of Dong1Qu is as time standard.The relation in the time standard of some areas, the world, employing and the corresponding time zone of standard is shown in following table 1.
Table 1 area, time standard and time zone corresponding relation
| The area | Time standard | The time zone | The time zone is represented |
| China | Beijing time | The Dong Ba district | +8 |
| Japan | The Tokyo time | The Dong Jiu district | +9 |
| Britain/France/Holland | The Europe East Time | The Dong Yi district | +1 |
| The U.S. | New York time | The Xi Wu district | -5 |
Please note, above area (China, Japan, Britain/France/Holland, the U.S.), corresponding time standard (Beijing time, Tokyo time, European East Time, New York time), corresponding time zone (Dong Ba district, Dong Jiu district, Dong Yi district, Xi Wu district) and corresponding time zone represent (+8 ,+9 ,+1 ,-5) only be used for illustrating the present invention, it is not restriction of the present invention.Those skilled in the art should understand, and such scheme of the present invention also can be applied to other countries/area, the world and time corresponding standard, time zone and time zone are represented, this is also in covering scope of the present invention.
Because standard, the frequency range of the communication network that each country adopts are different, and above-mentioned difference also can obtain embodying in the local time standard.Following table 2 has shown that the time zone of part-time standard, standard correspondence is represented, the corresponding relation of communication network standard and frequency range to be selected.As can be seen from Table 2, adopt the area of different time standard that its particular communication network formats and employed frequency range are arranged.
Table 2 time standard and communication network frequency range corresponding relation
Please note, above time standard (Beijing time, Tokyo time, European East Time, New York time), corresponding time zone represent (+8 ,+9 ,+1 ,-5), corresponding 2G/3G communication network (GSM, TD-SCDMA, CDMA2000, WCDMA) and corresponding frequency range to be selected only be used for illustrating the present invention, it is not restriction of the present invention.Those skilled in the art should understand, and such scheme of the present invention also can be applied to the other times standard and corresponding time zone is represented, communication network and frequency range to be selected, and this is also in covering scope of the present invention.
Utilize the corresponding relation in the above-mentioned table 2, the present invention proposes a kind of method of preferentially choosing the communication network frequency range.See also Fig. 1, Fig. 1 is that described method comprises following steps according to the flow chart of the method for preferentially choosing the communication network frequency range 10 of one embodiment of the invention:
Step S102: beginning;
Step S104: temporal information (for example time standard and/or time zone) and the network setup information of obtaining current area;
Step S106: from the communications setting information (for example mapping table of table 2) of storage, obtain corresponding band information according to the temporal information of obtaining among the step S104 and network setup information;
Step S108: judge whether described band information only comprises a frequency range, if, execution in step S110, otherwise, execution in step S112;
Step S110: choose unique frequency range as first communications band;
Step S112: select respectively a plurality of frequency ranges that band information comprises and with communicate by letter with the base station examination, to obtain the communication signal strength of each frequency range correspondence;
Step S114: a plurality of communication signal strength that contrast obtains, and with the frequency range of the strongest communication signal strength correspondence as first communications band with base station communication;
Step S116: finish.
In first embodiment, suppose that the network that mobile phone uses only is " 2G ", and mobile phone is to use in China.According to step S104, the temporal information in the current area that obtains shows: the local time is Beijing time, and the time zone is the Dong Ba district.If the network setup information that obtains also shows mobile phone and uses the gsm cellular network, then in step S106, can from the data of storage, find corresponding frequency range and be " 900,1800 ".Subsequently, in step S112, before the search network earlier the GSM frequency range be set to " 900,1800 ", can communicate by letter with the base station examination after setting up and look for network and connect.By the communication signal strength of obtaining among the contrast step S114, mobile phone can preferentially select automatically the stronger frequency range of signal of communication as first communications band with base station communication.
In a second embodiment, if the network settings of mobile phone are " 2G/3G automatic switchover ", and mobile phone is to use in China.Be similar to first embodiment, can know that the local time is Beijing time, the time zone is the Dong Ba district.If mobile phone uses mobile GSM/TD-SCDMA network, the GSM frequency range is set to " 900; 1800 " earlier before search network, the TD frequency range is set to " 2000 ", can communicate by letter with base station examination after setting up and look for network and connect, can judge the communication signal strength of GSM/TD-SCDMA network after connecting respectively, choose the network of strong communication signal strength correspondence and frequency range with base station communication.
In the 3rd embodiment, use portable terminal in China before, the local time is Beijing time, the time zone is the Dong Ba district, if use is the GSM network, the frequency range of preferentially choosing GSM during search network is " 900 " or " 1800 ".When our U.S. that gone on business to, local time is the New York time, the time zone is the Xi Wu district, if what use is the GSM network, according to said method, during search network earlier the GSM frequency range be set to " 850,1900 " communicate by letter with the base station examination, and by the communication signal strength of relatively acquisition from " 850 " and " 1900 ", choose first communications band with base station communication.
Fig. 2 is the calcspar according to the communication terminal 20 of one embodiment of the invention, and described communication terminal can be implemented the method for preferentially choosing the communication network frequency range 10 shown in Figure 1.
As shown in Figure 2, communication terminal comprises information acquisition module 202, memory module 204 and frequency range and chooses module 206.When carrying out the method 10 preferentially choose the communication network frequency range, information acquisition module 202 at first obtains temporal information (for example time standard and/or time zone) and the network information in current area, and the information of obtaining is sent to frequency range chooses module 206.According to the above-mentioned information of obtaining, frequency range is chosen module 206 and is inquired about related communication configuration information (for example mapping table of table 2) and obtain corresponding band information from memory module 204.If the band information that obtains only comprises a frequency range, then frequency range choose module 206 with this frequency range as first communications band to be used for and the communicating by letter of base station; On the contrary, if described band information comprises a plurality of frequency ranges, frequency range is chosen 206 of modules and is chosen described a plurality of frequency range respectively and utilize described different frequency range and base station to try respectively to communicate by letter, and obtains each self-corresponding communication signal strength.By more described each communication signal strength, frequency range choose frequency range that module 206 chooses the strongest communication signal strength correspondence as first communications band to be used for and the communicating by letter of base station.
In one embodiment, memory module 204 can comprise a database, is used for storing described communications setting information, and described database can upgrade upgrading as required at any time.In another embodiment, described communications setting information can be embodied as a look-up table, and described look-up table comprises temporal information and network setup information and the band information corresponding with it, and can temporal information as index.
In sum, the web search of communication terminal may be applied in country variant and area, because various countries use the standard difference of signal, selected frequency range is also different, and utilize method of the present invention and device, just needn't do the adaptive of complexity and can realize looking for fast net for each country variant and area.By preferentially choose the mode of frequency range according to temporal information, method of the present invention and device make web search have versatility and can accelerate the speed of web search, save the electric weight of communication terminal simultaneously.
Please note, method of the present invention and device are not limited in the 2G/3G communication network that is applied among the above embodiment, also can be applied in the 4G communication network, time division duplex Long Term Evolution (Time Division Duplex Long Term Evolution for example, TDD-LTE) network, Frequency Division Duplexing (FDD) Long Term Evolution (Frequency Division Duplex Long Term Evolution, FDD-LTE) network and other adaptable communication networks, those skilled in the art should understand how said method and device are applied in other communication networks after reading above-described embodiment, for the sake of simplicity, do not give unnecessary details in addition herein.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. method of preferentially choosing the communication network frequency range is used for the communication terminal with base station communication, it is characterized in that described method comprises following steps:
Obtain temporal information and the network setup information in current area;
Temporal information and network setup information according to the described current area that obtains are obtained corresponding band information from the communications setting information of storage;
Judge whether described band information only comprises a frequency range; And
When described band information only comprises a frequency range, choose described frequency range as first communications band with described base station communication.
2. the method for preferentially choosing the communication network frequency range as claimed in claim 1 is characterized in that, described method further comprises following steps:
When described band information comprises a plurality of frequency range, select described a plurality of frequency range respectively and communicate by letter with the examination of described base station with the frequency range of described selection, to obtain a plurality of communication signal strength corresponding with described a plurality of frequency ranges; And
Contrast described a plurality of communication signal strength, and with the frequency range of the strongest communication signal strength correspondence as described first communications band with described base station communication.
3. the method for preferentially choosing the communication network frequency range as claimed in claim 1 is characterized in that, the communications setting information of described storage comprises the mapping relations between temporal information, network setup information and the band information three.
4. the method for preferentially choosing the communication network frequency range as claimed in claim 3, it is characterized in that, described network setup information refers to one or more communication standards that described communication terminal is used, and described communication standard comprises GSM, WCDMA, CDMA2000, TD-SCDMA, TDD-LTE and FDD-LTE.
5. the method for preferentially choosing the communication network frequency range as claimed in claim 1 or 2 is characterized in that, the temporal information in described current area comprises the time standard in current area and/or the time zone at current regional place.
6. a communication terminal of preferentially choosing the communication network frequency range is used for and base station communication, it is characterized in that described communication terminal comprises with lower module:
Memory module is used for the storing communication configuration information;
The information acquisition module is used for obtaining and transmitting temporal information and the network setup information in current area; And
Frequency range is chosen module, be coupled to described memory module and described information acquisition module, be used for to receive temporal information and the network setup information in the described current area that described information acquisition module sends out, and from described communications setting information, obtain corresponding band information according to temporal information and the network setup information in described current area; Judge whether described band information only comprises a frequency range; And when described band information only comprises a frequency range, choose described frequency range as first communications band with described base station communication.
7. the communication terminal of preferentially choosing the communication network frequency range as claimed in claim 6, it is characterized in that, when described band information comprises a plurality of frequency range, described frequency range is chosen module and is selected described a plurality of frequency range respectively, and communicates by letter to obtain a plurality of communication signal strength corresponding with described a plurality of frequency ranges with the examination of described base station with the frequency range of described selection; Contrast described a plurality of communication signal strength, and with the frequency range of the strongest communication signal strength correspondence as described first communications band with described base station communication.
8. the communication terminal of preferentially choosing the communication network frequency range as claimed in claim 6 is characterized in that, the communications setting information of described storage comprises the mapping relations between temporal information, network setup information and the band information three.
9. the communication terminal of preferentially choosing the communication network frequency range as claimed in claim 8, it is characterized in that, described network setup information refers to one or more communication standards that described communication terminal is used, and described communication standard comprises GSM, WCDMA, CDMA2000, TD-SCDMA, TDD-LTE and FDD-LTE.
10. as claim 6 or the 7 described communication terminals of preferentially choosing the communication network frequency range, it is characterized in that the temporal information in described current area comprises the time standard in current area and/or the time zone at current regional place.
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Application publication date: 20130717 |