CN104113633B - Utilize FM to realize method and the mobile terminal of communication between mobile terminal - Google Patents
Utilize FM to realize method and the mobile terminal of communication between mobile terminal Download PDFInfo
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- CN104113633B CN104113633B CN201310140740.0A CN201310140740A CN104113633B CN 104113633 B CN104113633 B CN 104113633B CN 201310140740 A CN201310140740 A CN 201310140740A CN 104113633 B CN104113633 B CN 104113633B
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Abstract
The invention provides a kind of method that FM of utilization realizes communication between mobile terminal, comprising: scanning is the interior all signal frequencies that can use of preset range around, and obtain the signal frequency parameter of each signal frequency; Obtain the signal frequency parameter with the mutual mobile terminal of destination mobile terminal communication; According to the signal frequency parameter of the signal frequency parameter of destination mobile terminal and mutual mobile terminal, calculate the shared signal frequency of destination mobile terminal and mutual mobile terminal sending/receiving; Utilize shared signal frequency and mutual mobile terminal to realize mode of frequency regulation FM signal and communication. The present invention also provides a kind of FM of utilization to realize the mobile terminal of communication, comprising: scan module, acquisition module, processing module, communication module. The invention enables the signal quality of signal frequency that each mobile terminal received/sent radiofrequency signal in most suitable level. The very poor problem of signal quality while solving some mobile terminal received RF signal.
Description
Technical field
The present invention relates to field of mobile communication, relate in particular to one and utilize FM to realize communication between mobile terminalMethod and mobile terminal.
Background technology
The mobile terminals such as mobile phone play more and more important effect in daily life, mobile terminalFunction is also more and more abundanter.
In prior art, the mobile terminals such as the mobile phone of certain model are with FM emission function. With transmitting meritThe signal frequency of the mobile scanning terminal free time of energy, by this idle signal frequency transmitting FM signal. ThisLocate said idle signal frequency and be exactly mobile scanning terminal to the signal frequency not taken by radio station.The radio frequency reception equipment such as FM radio receive and broadcast.
Idle frequency has a lot, because the signal source of mobile terminal has a lot, and TouchPanel, LCDBacklight, DC-DC circuit etc. all can produce the interfering signal dropping in FM frequency range. Therefore be, empty equallyIdeler frequency point, the quality of reception but has very big-difference. How to find most suitable frequency, prior art is not examinedConsider.
Summary of the invention
For some receiving terminal, not most suitable frequency of utilization in order to solve mobile terminal tranmitting frequencyTechnical problem, the invention provides a kind of FM of utilization and realize method and the movement of communication between mobile terminalTerminal.
The invention provides a kind of method that FM of utilization realizes communication between mobile terminal, described method bagDraw together:
Scanning is all signal frequencies that can use in preset range around, and obtain signal frequency described in eachSignal frequency parameter;
Obtain the signal frequency parameter with the mutual mobile terminal of destination mobile terminal communication;
According to the signal frequency parameter of described destination mobile terminal and the signal frequency of described mutual mobile terminalParameter, calculates the shared signal frequency of destination mobile terminal and mutual mobile terminal sending/receiving;
Utilize described shared signal frequency and described mutual mobile terminal to realize mode of frequency regulation FM signal and communication.
Specifically, described in each, the signal frequency parameter of signal frequency comprises connecing of signal frequency described in eachReceive signal strength signal intensity, described destination mobile terminal obtains the letter of described mutual mobile terminal by bluetooth or WIFINumber frequency parameter.
Further, obtain and the signal frequency parameter of the mutual mobile terminal of destination mobile terminal communication stepAfter rapid, comprising:
Preserve the signal frequency parameter of described destination mobile terminal and mutual mobile terminal, remove described reception letterNumber intensity, lower than the signal frequency of setting intensity, obtains the useful signal frequency for calculating.
Specifically, according to the signal frequency parameter of described destination mobile terminal and described mutual mobile terminalSignal frequency parameter, calculates destination mobile terminal and mutual mobile terminal shared signal frequency, comprising:
Calculate the institute of described destination mobile terminal and described mutual mobile terminal useful signal frequency described in eachState received signal strength functional value, select according to described functional value the signal frequency that described received signal quality is the highestRate is as the shared signal frequency of destination mobile terminal and mutual mobile terminal.
Further, according to the signal frequency parameter of described destination mobile terminal and described mutual mobile terminalSignal frequency parameter, calculates destination mobile terminal and mutual mobile terminal shared signal frequency, also comprises:
Start described destination mobile terminal in emission state.
The invention provides the mobile terminal that a kind of FM of utilization realizes communication, comprising:
Scan module, for scanning around all signal frequencies that can use in preset range, and obtains everyThe signal frequency parameter of signal frequency described in one;
Acquisition module, for obtaining and the signal frequency ginseng of the mutual mobile terminal of destination mobile terminal communicationNumber;
Processing module, for whole according to the signal frequency parameter of described destination mobile terminal and described mutual movementThe signal frequency parameter of end, calculates destination mobile terminal and mutual mobile terminal shared signal frequency;
Communication module, for utilizing described shared signal frequency and described mutual mobile terminal to realize mode of frequency regulationFM signal and communication.
Further, in above-mentioned mobile terminal, described in each, the signal frequency parameter of signal frequency comprises oftenThe received signal strength of signal frequency described in one, described destination mobile terminal obtains institute by bluetooth or WIFIState the signal frequency parameter of mutual mobile terminal.
Further, described mobile terminal also comprises:
Preserve module, for preserving the signal frequency parameter of described destination mobile terminal and mutual mobile terminal,Remove described received signal strength lower than the signal frequency of setting intensity, obtain the useful signal frequency for calculatingRate.
Specifically, described processing module is specifically for calculating described destination mobile terminal and described mutual movementThe described received signal strength functional value of terminal useful signal frequency described in each, selects according to described functional valueThe signal frequency that described received signal quality is the highest sends/connects as destination mobile terminal and mutual mobile terminalThe shared signal frequency of receiving.
Further, described mobile terminal also comprises:
Transmitter module, for starting described destination mobile terminal in emission state.
The invention has the beneficial effects as follows: the present invention makes mutual networking carry out the signal of the mobile terminal of RF broadcastSelection science more, make each mobile terminal receive/send the signal of the signal frequency of radiofrequency signalQuality is in most suitable level. Very poor the asking of signal quality while solving some mobile terminal received RF signalTopic.
Brief description of the drawings
Fig. 1 represents the composition module diagram of the embodiment of the present invention;
Fig. 2 represents the flow chart of the embodiment of the present invention.
Wherein in figure: 101-scan module, 102-acquisition module, 103-preserves module, 104-processing module,105-communication module, 106-transmitter module, 201-step 1,202-step 2,203-step 3,204-Step 4,205-step 5.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below will be with reference to the accompanying drawings and specifically realExecuting example describes the present invention.
The invention provides a kind of method that FM of utilization realizes communication between mobile terminal, described method bagDraw together: scanning is all signal frequencies that can use in preset range around, and obtain signal frequency described in eachSignal frequency parameter; Obtain the signal frequency parameter with the mutual mobile terminal of destination mobile terminal communication;According to the signal frequency parameter of the signal frequency parameter of described destination mobile terminal and described mutual mobile terminal,Calculate the shared signal frequency of destination mobile terminal and mutual mobile terminal sending/receiving; Utilize described commonRealize mode of frequency regulation FM signal and communication with signal frequency and described mutual mobile terminal.
The invention provides the mobile terminal that a kind of FM of utilization realizes communication, comprising: scan module, forScanning is all signal frequencies that can use in preset range around, and obtain the letter of signal frequency described in eachNumber frequency parameter; Acquisition module, for obtaining and the signal of the mutual mobile terminal of destination mobile terminal communicationFrequency parameter; Processing module, for according to the signal frequency parameter of described destination mobile terminal and described mutualThe signal frequency parameter of mobile terminal, calculates destination mobile terminal and mutual mobile terminal shared signal frequentlyRate; Communication module, for utilizing described shared signal frequency and described mutual mobile terminal to realize mode of frequency regulationFM signal and communication.
Specifically, in the embodiment of the present invention, the scan module scanning destination mobile terminal of destination mobile terminalOperable signal frequency in limited range, and obtain the signal frequency parameter of each signal frequency;The scan module that acquisition module obtains mutual mobile terminal scans passable in mutual mobile terminal limited rangeThe signal frequency using. Processing module is according to the signal frequency ginseng of destination mobile terminal and mutual mobile terminalNumber, calculates the rf frequency that the most applicable destination mobile terminal and mutual mobile terminal transmit and receive. CanRealize mode of frequency regulation FM signal and communication by communication module and mutual mobile terminal. Like this can be to mutual groupNet carries out the selection science more of the signal of the mobile terminal of RF broadcast, and each mobile terminal is receivedThe signal quality of the signal frequency of/transmission radiofrequency signal is in most suitable level. Solve some mobile terminalThe very poor problem of signal quality when received RF signal.
Describe in detail below in conjunction with detailed description of the invention.
Frequency range in the FM of China broadcast is 87.5-108MHz. Generally in a certain area, radio stationTake about 50 signal frequencies.
Each mobile terminal is by a networking of the compositions such as bluetooth or WIFI. Each in networking moves endThe exchanges data of end between can realizing by networking. In the mobile terminal of networking, select a movementTerminal is as destination mobile terminal, and destination mobile terminal is as the hinge of pool and communication.
Shown in Fig. 1, the mobile terminal of embodiments of the invention comprises scan module 101, acquisition module102, preserve module 103, processing module 104, communication module 105, transmitter module 106.
Shown in Fig. 2, utilize step that mode of frequency regulation FM realizes the method for communication between mobile terminal asUnder.
Step 1 201: scan module 101 scannings are the interior all signal frequencies that can use of preset range around,And obtain the signal frequency parameter of each signal frequency;
Step 2 202: acquisition module 102 obtains the letter with the mutual mobile terminal of destination mobile terminal communicationNumber frequency parameter;
Step 3 203: preservation module 103 is preserved the signal of described destination mobile terminal and mutual mobile terminalFrequency parameter, remove described received signal strength lower than setting the signal frequency of intensity, obtains for calculatingUseful signal frequency.
Step 4 204: processing module 104 according to the signal frequency parameter of described destination mobile terminal and described inThe signal frequency parameter of mutual mobile terminal, calculates destination mobile terminal and mutual mobile terminal sends/connectsThe shared signal frequency of receiving
Step 5 205: communication module 105 utilizes described shared signal frequency and described mutual mobile terminal in factExisting mode of frequency regulation FM signal and communication
Step 6 206: transmitter module 106 starts described destination mobile terminal in emission state.
Destination mobile terminal is around removed outside the signal frequency that radio station takies, and scans order by scan module 101Available other idle signal frequencies and this signal frequency parameter of surrounding of mark mobile terminal. When the sky scanningWhen not busy signal frequency, the memory module 103 of destination mobile terminal is listed as the achievable signal frequency will scanningShow and store. Memory module 103 also can be stored acquisition module 102 and be obtained and the friendship of destination mobile terminal communicationThe signal frequency parameter of mobile terminal mutually.
For example, be chosen at China FM and broadcast operable frequency signal, and the signal frequency that goes to radio station to takeAfter rate, enumerate wherein 90.0MHz, 90.1MHz, 90.2MHz, 91.0MHz, 91.1MHz, 92.0MHz,92.1MHz，92.2MHz，92.3MHz，94.0MHz，95.0MHz，96.0MHz，94.1MHz，15 signal frequencies of 95.1MHz and 96.1MHz are as analytic target. With 15 signal frequencies aboveSignal strength signal intensity be example, embodiments of the invention are carried out to labor.
Each mobile terminal is preserved the available signal frequency scanning separately and signal frequency parameter.Signal frequency parameter comprises the received signal strength of each signal frequency. Destination mobile terminal will be with by networkingThe all mutual mobile scanning terminal of communication to available signal frequency and signal frequency parameter obtainRear integration processing.
In the embodiment of the present invention, be dBm by the intensity RSSI(unit that receives signal) each is movedThe available signal frequency of terminal receives the row-column list of going forward side by side and shows. Destination mobile terminal, first is mutual eventually mobileEnd and the second mutual mobile terminal can be used for the intensity of the signal frequency of transmitting and (directly use RSSI as in tableData) as table 1A and table 1B as shown in.
Table 1A mobile terminal achievable signal frequency will signal strength signal intensity one
Table 1B mobile terminal achievable signal frequency will signal strength signal intensity two
Memory module is preserved the signal frequency parameter of destination mobile terminal, removes received signal strength lower than settingThe signal frequency of intensity, obtains the useful signal frequency for calculating.
In the embodiment of the present invention, the signal frequency of be greater than-60dBm of definition signal intensity level is carried out Transformatin.Will be for destination mobile terminal, the first mutual mobile terminal and the second mutual mobile terminal signal intensity level are less thanThe signal frequency of-60dBm is as useful signal frequency. According to the instructions for use of varying environment, can be to havingThe intensity of effect signal frequency is carried out different set. Useful signal frequency is kept in memory module for processing mouldPiece is transferred use at any time. Each mutual mobile scanning terminal to achievable signal frequency will can depositing by selfStorage module is collected and obtains by destination mobile terminal is unified again after preserving and screening. As the one side of multiselectFormula, each mutual mobile scanning terminal to all can signal frequency can all preservation, then by targetMobile terminal stores module is unified collects, obtains and screen.
Processing module is for calculating destination mobile terminal and the mutual shared signal frequency of mobile terminal, bagDraw together: the received signal strength function that calculates destination mobile terminal and mutual each useful signal frequency of mobile terminalValue, according to the highest signal frequency of functional value selective reception signal quality as destination mobile terminal with move alternatelyThe emission signal frequency of moving terminal. The memory module preservation of destination mobile terminal self scan module scans and sievesThe useful signal frequency of the useful signal frequency of selecting and mutual mobile terminal, then according to each useful signalThe signal strength signal intensity of frequency is entered calculation. Generally, can be by the function meter of the most simply averagingCalculation method has a signal frequency signal quality.
As show as shown in 1A and table 1B, the useful signal frequency obtaining is 90.1MHz, 91.0MHz,95.0Mhz. Then calculate the mean value of two useful signal frequency signal intensity. 90.1MHz signal frequencySignal strength signal intensity be-109.9dBm that the signal strength signal intensity of 91.0MHz signal frequency is-91.6dBm, 95.0MhzThe signal strength signal intensity of signal frequency is-77.6dBm. The frequency of the just selected 90.1MHz of processing module is for moving like thisMoving terminal transmits and receives frequency. It is shared signal frequency that communication module utilizes the frequency of 90.1MHz, andRealize mode of frequency regulation FM signal and communication with mutual mobile terminal. Transmitter module start destination mobile terminal inEmission state.
In an embodiment of the present invention, average if calculate the received signal strength of multiple useful signal frequenciesWhile being worth identical situation, can adopt the function such as variance or standard deviation further to determine above-mentioned several receptionThe quality of the useful signal frequency signal quality that signal strength signal intensity mean value is identical.
In order to ensure to only have the object of a spokesman to avoid uttering long and high-pitched sounds simultaneously, by networking requirement when anyOnly have a mobile terminal quarter in emission state, other mobile terminals are in accepting state. Real in the present inventionExecute in example, the nursing module of destination mobile terminal is according to the signal frequency parameter of destination mobile terminal and and targetThe signal frequency parameter of the mutual mobile terminal of mobile terminal communication, calculates destination mobile terminal and moves alternatelyAfter moving the shared signal frequency of terminal, start destination mobile terminal in emission state.
When changing destination mobile terminal during as receiving terminal, other are of mutual mobile terminal of networking with itAs transmitting terminal. In like manner, become the mutual mobile terminal of transmitting terminal as destination mobile terminal, order originallyMark mobile terminal and other mutual mobile terminal are as new mutual mobile terminal. New destination mobile terminalThen scan its operable signal frequency around, then collect the available signal frequency of mutual mobile scanning terminalAchievable signal frequency will storage to each mobile terminal and screening hastily afterwards, and process, obtain altogether bestUse transmitting/receiving signal frequency.
Due to the state in changing all the time of the environment described in mobile terminal, therefore can again sweep every a period of timeRetouch and select one time tranmitting frequency. And the networking that utilizes the communication modes such as bluetooth or WIFI composition realizes synchronousSwitch.
Above-described is the preferred embodiment of the present invention, should be understood that the ordinary people for the artMember, can also make some improvements and modifications not departing under principle prerequisite of the present invention, theseImprovements and modifications are also in protection scope of the present invention.
Claims (10)
1. utilize FM to realize a method for communication between mobile terminal, be applied to destination mobile terminal, itsBe characterised in that, described method comprises:
Scanning is all signal frequencies that can use in scheduled frequency range around, and obtain signal described in eachThe signal frequency parameter of frequency;
Obtain the signal frequency parameter with the mutual mobile terminal of destination mobile terminal communication;
According to the signal frequency parameter of described destination mobile terminal and the signal frequency of described mutual mobile terminalParameter, calculates sharing that described destination mobile terminal sends and described mutual mobile terminal receivesSignal frequency;
Utilize described shared signal frequency and described mutual mobile terminal to realize mode of frequency regulation FM signal and communication.
2. the FM of utilization as claimed in claim 1 realizes the method for communication between mobile terminal, and its feature existsIn, described in each, the signal frequency parameter of signal frequency comprises that the reception signal of signal frequency is strong described in eachDegree, described destination mobile terminal obtains the signal frequency ginseng of described mutual mobile terminal by bluetooth or WIFINumber.
3. the FM of utilization as claimed in claim 2 realizes the method for communication between mobile terminal, and its feature existsIn, obtain and the signal frequency parameter of the mutual mobile terminal of destination mobile terminal communication, after step, bagDraw together:
Preserve the signal frequency parameter of described destination mobile terminal and mutual mobile terminal, remove described reception letterNumber intensity, lower than the signal frequency of setting intensity, obtains the useful signal frequency for calculating.
4. the FM of utilization as claimed in claim 3 realizes the method for communication between mobile terminal, and its feature existsIn, according to the signal frequency ginseng of the signal frequency parameter of described destination mobile terminal and described mutual mobile terminalNumber, calculates destination mobile terminal and mutual mobile terminal shared signal frequency, comprising:
Calculate the institute of described destination mobile terminal and described mutual mobile terminal useful signal frequency described in eachState received signal strength functional value, select according to described functional value the signal frequency that described received signal quality is the highestRate is as the shared signal frequency of destination mobile terminal and mutual mobile terminal.
5. the FM of utilization as claimed in claim 1 realizes the method for communication between mobile terminal, and its feature existsIn, according to the signal frequency ginseng of the signal frequency parameter of described destination mobile terminal and described mutual mobile terminalNumber, calculates destination mobile terminal and mutual mobile terminal shared signal frequency, also comprises:
Start described destination mobile terminal in emission state.
6. utilize FM to realize a mobile terminal for communication, it is characterized in that, comprising:
Scan module, for scanning around all signal frequencies that can use in scheduled frequency range, and obtainsGet the signal frequency parameter of signal frequency described in each;
Acquisition module, for obtaining and the signal frequency ginseng of the mutual mobile terminal of destination mobile terminal communicationNumber;
Processing module, for whole according to the signal frequency parameter of described destination mobile terminal and described mutual movementThe signal frequency parameter of end, calculates described destination mobile terminal and sends with described mutual mobile terminalThe shared signal frequency that row receives;
Communication module, for utilizing described shared signal frequency and described mutual mobile terminal to realize mode of frequency regulationFM signal and communication.
7. the FM of utilization as claimed in claim 6 realizes the mobile terminal of communication, it is characterized in that, eachThe signal frequency parameter of described signal frequency comprises the received signal strength of signal frequency described in each, described orderMark mobile terminal obtains the signal frequency parameter of described mutual mobile terminal by bluetooth or WIFI.
8. the FM of utilization as claimed in claim 6 realizes the mobile terminal of communication, it is characterized in that, described inMobile terminal also comprises:
Preserve module, for preserving the signal frequency parameter of described destination mobile terminal and mutual mobile terminal,Remove described received signal strength lower than the signal frequency of setting intensity, obtain the useful signal frequency for calculatingRate.
9. the FM of utilization as claimed in claim 8 realizes the mobile terminal of communication, it is characterized in that, described inProcessing module specifically for calculate described destination mobile terminal and described mutual mobile terminal described in each effectivelyThe described received signal strength functional value of signal frequency, selects described received signal quality according to described functional valueWhat the highest signal frequency sent as destination mobile terminal and mutual mobile terminal receives sharesSignal frequency.
10. the FM of utilization as claimed in claim 6 realizes the mobile terminal of communication, it is characterized in that instituteStating mobile terminal also comprises:
Transmitter module, for starting described destination mobile terminal in emission state.
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| CN106856586A (en) * | 2015-12-09 | 2017-06-16 | 江苏紫米电子技术有限公司 | Take the method and system of receiving terminal channel playback terminal sound |
| CN106937318B (en) * | 2017-02-06 | 2020-03-24 | 赵翔 | Surveying and mapping communication system |
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| CN1870675A (en) * | 2005-05-25 | 2006-11-29 | 乐金电子(中国)研究开发中心有限公司 | Mobile communication terminal with voice transmitting-receiving function by fm module and operating method thereof |
| CN101150325A (en) * | 2006-09-19 | 2008-03-26 | 深圳市朗科科技有限公司 | Method for automatically searching best frequency modulation transmission frequency point |
| CN101860620A (en) * | 2010-05-06 | 2010-10-13 | 中兴通讯股份有限公司 | Mobile terminal and communication method thereof |
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| CN1870675A (en) * | 2005-05-25 | 2006-11-29 | 乐金电子(中国)研究开发中心有限公司 | Mobile communication terminal with voice transmitting-receiving function by fm module and operating method thereof |
| CN1832354A (en) * | 2006-04-04 | 2006-09-13 | 广州矽金塔电子有限公司 | Automatic radio audio-frequency transmission method based on FM frequency-modulation technology |
| CN101150325A (en) * | 2006-09-19 | 2008-03-26 | 深圳市朗科科技有限公司 | Method for automatically searching best frequency modulation transmission frequency point |
| CN101860620A (en) * | 2010-05-06 | 2010-10-13 | 中兴通讯股份有限公司 | Mobile terminal and communication method thereof |
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Address after: 361006 No. two, 999 North Road, torch hi tech Zone, Fujian, Xiamen, Qishan Patentee after: Motorola mobile communication technology Co.,Ltd. Address before: 361006 No. two, 999 North Road, torch hi tech Zone, Fujian, Xiamen, Qishan Patentee before: LENOVO MOBILE COMMUNICATION TECHNOLOGY Ltd. |