CN101867390A - Anti-interference method and system for mobile communication terminal - Google Patents
Anti-interference method and system for mobile communication terminal Download PDFInfo
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- CN101867390A CN101867390A CN201010172317A CN201010172317A CN101867390A CN 101867390 A CN101867390 A CN 101867390A CN 201010172317 A CN201010172317 A CN 201010172317A CN 201010172317 A CN201010172317 A CN 201010172317A CN 101867390 A CN101867390 A CN 101867390A
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Abstract
The invention discloses an anti-interference method for a mobile communication terminal. The method comprises the following steps of: dynamically screening an interference frequency from received frequencies by using the mobile communication terminal; according to the interference frequency, screening an interference channel from effective channels supported by a base station; and acquiring a non-interference channel allocated by the base station, wherein the non-interference channel is a clear channel or a channel having low interference strength in the effective channels supported by the base station. By using the method, the interference of the mobile communication terminal can be reduced; and communication quality can be improved.
Description
Technical field
The present invention relates to communication field, particularly a kind of communication terminal anti-disturbance method and system.
Background technology
Mobile phone and wireless network card are the communication terminals that is most widely used at present, have been called the indispensable instrument of people's daily life.
The electromagnetic environment more complicated of communication terminal around in use, various electromagnetic interference have uncertainty, and change along with the change of environment and service condition, difficult in advance prevention and control, give the various functions of communication terminal, for example the communication quality of voice call, transfer of data etc. brings considerable influence, directly influences user's experience.
Communicating terminal Anti-Jamming Techniques such as mobile phone, wireless network card are used a lot at present, but all be to utilize device and circuit design to reach the purpose that overcomes certain certain interference mostly, do not possess self adaptation and diagnostic function, can't change with disturbed condition, be of limited application, and increase device and circuit change cost is higher.
Summary of the invention
The invention provides a kind of communication terminal anti-disturbance method, can reduce the interference that communication terminal is subjected to.
On the one hand, the present invention has adopted following technical scheme:
A kind of communication terminal anti-disturbance method comprises following steps:
A, communication terminal dynamically filter out interfering frequency from receive frequency;
B, according to described interfering frequency, from the efficient channel that the base station is supported, filter out interference channel;
C, obtain the non-interference channel of base station assigns, described non-interference channel is clear channel or the little channel of interference strength in the efficient channel supported of base station.
Among the embodiment of above-mentioned communication terminal anti-interference method, in the described steps A, described interfering frequency is the frequency that exceeds the interference threshold value in the receive frequency of mobile communication terminal.
Among the embodiment of above-mentioned communication terminal anti-interference method, further comprising the steps of before the described steps A:
Swept frequency range is set, and scans the receive frequency of communication terminal according to swept frequency range.
Among the embodiment of above-mentioned communication terminal anti-interference method, among the described step B, filter out interference channel and carry out as follows:
If the distance of the centre frequency of this channel and interfering frequency is less than the efficient channel bandwidth, then this channel is an interference channel, and greater than the efficient channel bandwidth, then this channel is a clear channel as if the distance of the centre frequency of this channel and interference band.
Among the embodiment of above-mentioned communication terminal anti-interference method, among the described step B, further comprising the steps of:
The interference channel that filters out is sorted by interference strength.
The invention also discloses another kind of communication terminal anti-disturbance method, comprise following steps:
A, base station receive the interfering frequency that communication terminal sends;
B, base station filter out interference channel according to described interfering frequency from the efficient channel of being supported;
Described mobile communication terminal allocated channel is given according to interference channel in C, base station, preferentially selects glitch-free channel, or preferentially selects the little channel of interference strength.
On the other hand, the invention discloses a kind of communication terminal jamproof system, comprise interfering frequency screening module, interference channel screening module and acquisition module, wherein, interfering frequency screening module is used for dynamically filtering out interfering frequency from receive frequency; Described interference channel screening module is used for according to described interfering frequency, filters out interference channel from the efficient channel that the base station is supported; Described acquisition module is used to obtain the non-interference channel of base station assigns, and described non-interference channel is clear channel or the little channel of interference strength in the efficient channel supported of base station.
Among the embodiment of above-mentioned communication terminal jamproof system, also comprise the frequency sweep module, be used to be provided with swept frequency range, and scan the receive frequency of communication terminal according to swept frequency range.
Among the embodiment of above-mentioned communication terminal jamproof system, also comprise order module, be used for the interference channel that filters out is sorted by interference strength.
The invention also discloses another kind of communication terminal jamproof system, comprise receiver module, interference channel screening module and distribution module, wherein receiver module is used to receive the interfering frequency that communication terminal sends; Described interference channel screening module is used for filtering out interference channel according to described interfering frequency from the efficient channel of being supported; Described distribution module is used for giving described mobile communication terminal allocated channel according to interference channel, preferentially selects glitch-free channel, or preferentially selects the little channel of interference strength.
Compared with prior art, beneficial effect of the present invention is:
The present invention adopts communication terminal dynamically to filter out interfering frequency from receive frequency, according to described interfering frequency, from the efficient channel that the base station is supported, filter out the method for interference channel, can make communication terminal obtain the non-interference channel of base station assigns, reduced the interference that communication terminal is subjected to, improve communication quality, helped improving user's satisfaction.
Description of drawings
Fig. 1 has exemplarily described the flow chart of the inventive method;
Fig. 2 has exemplarily described the structure chart of a kind of system of the present invention;
Fig. 3 has exemplarily described the structure chart of the another kind of system of the present invention.
Embodiment
Contrast accompanying drawing and the present invention is further elaborated below in conjunction with embodiment.
The invention discloses a kind of communication terminal anti-disturbance method, comprise following steps:
A, communication terminal dynamically filter out interfering frequency from receive frequency;
B, according to described interfering frequency, from the efficient channel that the base station is supported, filter out interference channel;
C, obtain the non-interference channel of base station assigns, described non-interference channel is clear channel or the little channel of interference strength in the efficient channel supported of base station.
Embodiment one:
As shown in Figure 1, the communication terminal anti-disturbance method of one embodiment of the invention comprises following steps:
Step 101 is determined interference threshold.
Determine interference threshold according to the quality of using frequency range to receive weak signal.
The quality of weak signal is relevant with the sensitivity of communication terminal in the agreement, also relevant with purposes with the type of communication terminal, when for example communication terminal needed to use in disturbing bigger rugged environment for a long time, sensitivity was provided with higher, and the setting of interference threshold is also higher.Producer can be provided with interference threshold as the case may be.
Frequency when frequency of utilization refers to communication terminal sending and receiving signal, the communication terminal when dispatching from the factory have big frequency range in order to use at country variant and area, can guarantee that communication terminal receives the signal of different frequency when roaming.
Step 102 is provided with swept frequency range.
In some countries and regions, the frequency of utilization of communication terminal is comparatively fixing, and for example in China, frequency of utilization has GSM900MHZ, 1800MHz frequency range etc.
According to dissimilar communication terminals, different swept frequency ranges is set, for example the swept frequency range of GSM900MHz mobile phone setting is for can be set to 880MHz-960MHz.
Swept frequency range is set avoids carrying out frequency sweep, save the time of frequency sweep, reduce the load of communication terminal in full rate.
Step 103, communication terminal carries out frequency sweep.
Frequency sweep is the abbreviation of scanning frequency, and communication terminal carries out frequency sweep, and swept frequency range covers the effective bandwidth of current all channels of frequency of utilization, and stores the frequency that all receive.
The time that communication terminal carries out frequency sweep can be set to the automatic frequency sweep of at every turn starting shooting, and also can be set to the user and manually boot.
Each start automatic frequency sweep has been avoided user's operation, and the user is when arriving a new environment, or the sensation communication terminal disturbs and also can manually boot frequency sweep when big, has brought more intimate, more diversified service to the user.
The normal frequency of using of communication terminal is arranged in the frequency of above-mentioned storage, the environmental interference frequency is also arranged.The electromagnetic environment of periphery was very complicated when communicating terminals such as mobile phone, wireless network card used usually, some electromagnetic interference component frequency just drops in the receiving belt, and interference magnitude is much larger than signal level, this interference is very big to the influence of the reception of communication terminal, for example, some interference signals that the own current supply circuit of product etc. produce, or the wireless network card series products need cooperate notebook computer to use together, and the high-frequency harmonic component that the notebook computer clock signal produces etc. can bring very big influence to the receptivity of network interface card.
Though above-mentioned interference interference magnitude is very big, under a certain metastable use scene, the frequency of interference is limited and be relatively-stationary several interfering frequency.
Step 104 filters out interfering frequency.
The receive frequency that exceeds the communication terminal of interference threshold is called interfering frequency.
Step 105 according to described interfering frequency, filters out interference channel from the efficient channel that the base station is supported.
Effective frequency range that the base station is supported is default when communication terminal dispatches from the factory, and also is a bigger frequency range.But for some base stations, because restrictions such as agreements, effective frequency range of being supported is different.
When screening, need not to carry out at full frequency band, only need screen with the corresponding effective frequency range of the interfering frequency of communication terminal.
Screening is during interference channel, if the distance of this channel and interfering frequency is less than the efficient channel bandwidth, then this channel has interference, and greater than the efficient channel bandwidth, then this channel is noiseless as if the distance of this channel and interference band.
Step 106 sorts by interference strength to interference channel.
Interference channel is sorted by interference strength, help base station selected suitable channel and communication terminal and carry out communication.
Step 107 is when communication link is carried out in communication terminal and base station, with the base station that is sent to of interference channel.
Communication terminal is sent to the label that comprises interference channel in the information of base station, and interference intensity etc.
Step 108, base station when giving described mobile communication terminal allocated channel, the frequency range of the interference channel that sends according to communication terminal, the glitch-free channel of preferential selection, if all channels all have interference,, preferentially select the little channel of interference strength then according to the ordering of interference strength.
Embodiment two:
The another kind of execution mode of communication terminal anti-disturbance method is as follows:
Step 201 is determined interference threshold.
Step 202 is provided with swept frequency range.
Step 103, communication terminal carries out frequency sweep.
Step 104 filters out interfering frequency.
Step 205, communication terminal is sent to the base station with interfering frequency.
Communication terminal is sent in the information of base station, comprises the frequency and the intensity of interfering frequency.
For the ease of the processing of base station, also can add class letter according to the grade that pre-sets to the intensity of interference level, then be sent in the information of base station, comprise frequency and class letter.
Step 206, the base station filters out interference channel according to described interfering frequency from the efficient channel of being supported;
Described mobile communication terminal allocated channel is given according to interference channel in step 207, base station, preferentially selects glitch-free channel, or preferentially selects the little channel of interference strength.
Among this embodiment, the screening of interference channel has been placed on base station side has carried out, reduced requirement, can on the communication terminal of low configuration, implement communication terminal.
Embodiment three:
As shown in Figure 2, the invention discloses a kind of communication terminal jamproof system, comprise interfering frequency screening module, interference channel screening module and acquisition module, wherein, interfering frequency screening module is used for dynamically filtering out interfering frequency from receive frequency; Described interference channel screening module is used for according to described interfering frequency, filters out interference channel from the efficient channel that the base station is supported; Described acquisition module is used to obtain the non-interference channel of base station assigns, and described non-interference channel is clear channel or the little channel of interference strength in the efficient channel supported of base station.
Among the embodiment of above-mentioned communication terminal jamproof system, also comprise the frequency sweep module, be used to be provided with swept frequency range, and scan the receive frequency of communication terminal according to swept frequency range.
Among the embodiment of above-mentioned communication terminal jamproof system, also comprise order module, be used for the interference channel that filters out is sorted by interference strength.
As shown in Figure 3, the invention also discloses another kind of communication terminal jamproof system, comprise receiver module, interference channel screening module and distribution module, wherein receiver module is used to receive the interfering frequency that communication terminal sends; Described interference channel screening module is used for filtering out interference channel according to described interfering frequency from the efficient channel of being supported; Described distribution module is used for giving described mobile communication terminal allocated channel according to interference channel, preferentially selects glitch-free channel, or preferentially selects the little channel of interference strength.
The present invention adopts communication terminal dynamically to filter out interfering frequency from receive frequency, according to described interfering frequency, from the efficient channel that the base station is supported, filter out the method for interference channel, can make communication terminal obtain the non-interference channel of base station assigns, reduced the interference that communication terminal is subjected to, improve communication quality, helped improving user's satisfaction.Simultaneously, among the present invention the interference channel that filters out is sorted by interference strength, when allocated channel, saved the time, improved response speed.Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, but this example of just lifting for ease of understanding should not think that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can make various possible being equal to and change or replacement, these changes or replacement all should belong to protection scope of the present invention.
Claims (10)
1. a communication terminal anti-disturbance method is characterized in that, comprises following steps:
A, communication terminal dynamically filter out interfering frequency from receive frequency;
B, according to described interfering frequency, from the efficient channel that the base station is supported, filter out interference channel;
C, obtain the non-interference channel of base station assigns, described non-interference channel is clear channel or the little channel of interference strength in the efficient channel supported of base station.
2. communication terminal anti-disturbance method as claimed in claim 2 is characterized in that, in the described steps A, described interfering frequency is the frequency that exceeds the interference threshold value in the receive frequency of mobile communication terminal.
3. communication terminal anti-disturbance method as claimed in claim 3 is characterized in that, and is further comprising the steps of before the described steps A:
Swept frequency range is set, and scans the receive frequency of communication terminal according to swept frequency range.
4. communication terminal anti-disturbance method as claimed in claim 4 is characterized in that, among the described step B, filters out interference channel and carries out as follows:
If the distance of the centre frequency of this channel and interfering frequency is less than the efficient channel bandwidth, then this channel is an interference channel, and greater than the efficient channel bandwidth, then this channel is a clear channel as if the distance of the centre frequency of this channel and interference band.
5. communication terminal anti-disturbance method as claimed in claim 5 is characterized in that, and is among the described step B, further comprising the steps of:
The interference channel that filters out is sorted by interference strength.
6. a communication terminal anti-disturbance method is characterized in that, comprises following steps:
A, base station dynamically receive the interfering frequency that communication terminal sends;
B, base station filter out interference channel according to described interfering frequency from the efficient channel of being supported;
Described mobile communication terminal allocated channel is given according to interference channel in C, base station, preferentially selects glitch-free channel, or preferentially selects the little channel of interference strength.
7. a communication terminal jamproof system is characterized in that, comprises interfering frequency screening module, interference channel screening module and acquisition module, and wherein, interfering frequency screening module is used for dynamically filtering out interfering frequency from receive frequency; Described interference channel screening module is used for according to described interfering frequency, filters out interference channel from the efficient channel that the base station is supported; Described acquisition module is used to obtain the non-interference channel of base station assigns, and described non-interference channel is clear channel or the little channel of interference strength in the efficient channel supported of base station.
8. communication terminal jamproof system as claimed in claim 7 is characterized in that, also comprises the frequency sweep module, is used to be provided with swept frequency range, and scans the receive frequency of communication terminal according to swept frequency range.
9. communication terminal jamproof system as claimed in claim 8 is characterized in that, also comprises order module, is used for the interference channel that filters out is sorted by interference strength.
10. a communication terminal jamproof system is characterized in that, comprises receiver module, interference channel screening module and distribution module, and wherein receiver module is used for dynamically receiving the interfering frequency that communication terminal sends; Described interference channel screening module is used for filtering out interference channel according to described interfering frequency from the efficient channel of being supported; Described distribution module is used for giving described mobile communication terminal allocated channel according to interference channel, preferentially selects glitch-free channel, or preferentially selects the little channel of interference strength.
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| CN201010172317A CN101867390A (en) | 2010-05-04 | 2010-05-04 | Anti-interference method and system for mobile communication terminal |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993877A (en) * | 2014-04-16 | 2015-10-21 | 百富计算机技术（深圳）有限公司 | Anti-interference method and apparatus |
| WO2016145922A1 (en) * | 2015-03-13 | 2016-09-22 | 电信科学技术研究院 | Detection method and device |
| CN106656225A (en) * | 2016-11-18 | 2017-05-10 | 湖州欧麦斯通信科技有限公司 | Automatic distribution communication system |
| CN106936515A (en) * | 2017-05-09 | 2017-07-07 | 广东欧珀移动通信有限公司 | Radio frequency interference processing method, storage medium and terminal |
| CN107132949A (en) * | 2017-04-28 | 2017-09-05 | 北京小米移动软件有限公司 | anti-interference method, device, terminal and storage medium |
| CN107493116A (en) * | 2017-09-06 | 2017-12-19 | 合肥宗平计算机科技有限公司 | Anti-interference computer wireless network card |
| WO2018019307A1 (en) * | 2016-07-25 | 2018-02-01 | 中兴通讯股份有限公司 | Communications port stability control method and device |
| CN107920361A (en) * | 2016-10-10 | 2018-04-17 | 大唐移动通信设备有限公司 | A kind of method of adjustment and device of cell frequency range |
| CN109889217A (en) * | 2018-12-13 | 2019-06-14 | 维沃移动通信有限公司 | A kind of interference processing method and terminal device |
| WO2024031947A1 (en) * | 2022-08-09 | 2024-02-15 | 丰疆智能(深圳)有限公司 | Radio station connection method, rtk positioning system and computer readable storage medium |
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| CN104993877B (en) * | 2014-04-16 | 2017-06-20 | 百富计算机技术（深圳）有限公司 | A kind of anti-disturbance method and device |
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| CN107132949B (en) * | 2017-04-28 | 2020-11-10 | 北京小米移动软件有限公司 | Anti-interference method, device, terminal and storage medium |
| CN106936515A (en) * | 2017-05-09 | 2017-07-07 | 广东欧珀移动通信有限公司 | Radio frequency interference processing method, storage medium and terminal |
| CN107493116A (en) * | 2017-09-06 | 2017-12-19 | 合肥宗平计算机科技有限公司 | Anti-interference computer wireless network card |
| CN109889217A (en) * | 2018-12-13 | 2019-06-14 | 维沃移动通信有限公司 | A kind of interference processing method and terminal device |
| CN109889217B (en) * | 2018-12-13 | 2021-05-14 | 维沃移动通信有限公司 | Interference processing method and terminal equipment |
| WO2024031947A1 (en) * | 2022-08-09 | 2024-02-15 | 丰疆智能(深圳)有限公司 | Radio station connection method, rtk positioning system and computer readable storage medium |
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Application publication date: 20101020 |