CN104113633A - Method for realizing communication between mobile terminals by use of FM and mobile terminal - Google Patents
Method for realizing communication between mobile terminals by use of FM and mobile terminal Download PDFInfo
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- CN104113633A CN104113633A CN201310140740.0A CN201310140740A CN104113633A CN 104113633 A CN104113633 A CN 104113633A CN 201310140740 A CN201310140740 A CN 201310140740A CN 104113633 A CN104113633 A CN 104113633A
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Abstract
The invention provides a method for realizing communication between mobile terminals by use of FM. The method comprises the following steps: all available signal frequencies within a predetermined range in the surrounding area are scanned, and the signal frequency parameters of the signal frequencies are acquired; the signal frequency parameter of an interactive mobile terminal communicating with a target mobile terminal is acquired; a shared signal frequency of the target mobile terminal and the interactive mobile terminal in transmitting/receiving is calculated according to the signal frequency parameter of the target mobile terminal and the signal frequency parameter of the interactive mobile terminal; and frequency-modulation FM signal communication with the interactive mobile terminal is realized by use of the shared signal frequency. According to the invention, the signal equality of a signal frequency at which each mobile terminal receives or transmits a radio frequency signal is enabled to be at a most appropriate level. The problem that the signal quality is poor when some mobile terminals receive a radio frequency signal is solved.
Description
Technical field
The present invention relates to field of mobile communication, relate in particular to a kind of FM of utilization and realize method and the mobile terminal of communication between mobile terminal.
Background technology
The mobile terminals such as mobile phone play more and more important effect in daily life, and the function of mobile terminal 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 the signal frequency of mobile scanning terminal free time of emission function, by this idle signal frequency transmitting FM signal.Herein said idle signal frequency be exactly mobile scanning terminal to the signal frequency not taken by radio station.The radio frequency reception equipment such as FM broadcast receiver receive and broadcast.
Idle frequency has a lot, and because the signal source of mobile terminal has a lot, Touch Panel, LCD are backlight, DC-DC circuit etc. all can produce the interference signal dropping in FM frequency range.Therefore, be idle frequency equally, the quality of reception but has very big-difference.How to find most suitable frequency, prior art is not considered.
Summary of the invention
For some receiving terminal, not the technical problem of most suitable frequency of utilization in order to solve mobile terminal tranmitting frequency, the invention provides a kind of FM of utilization and realize method and the mobile terminal of communication between mobile terminal.
The invention provides a kind of method that FM of utilization realizes communication between mobile terminal, described method comprises:
Scanning is all signal frequencies that can use in preset range around, and obtain the signal frequency parameter of signal frequency described in each;
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 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 the received signal strength of signal frequency described in each, and described destination mobile terminal obtains the signal frequency parameter of described mutual mobile terminal by bluetooth or WIFI.
Further, obtain and the signal frequency parameter of the mutual mobile terminal of destination mobile terminal communication, after step, comprising:
Preserve 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 calculating.
Specifically, according to the signal frequency parameter of the signal frequency parameter of described destination mobile terminal and described mutual mobile terminal, calculate destination mobile terminal and mutual mobile terminal shared signal frequency, comprising:
Calculate the described received signal strength functional value of described destination mobile terminal and described mutual mobile terminal useful signal frequency described in each, select signal frequency that described received signal quality the is the highest shared signal frequency as destination mobile terminal and mutual mobile terminal according to described functional value.
Further, according to the signal frequency parameter of the signal frequency parameter of described destination mobile terminal and described mutual mobile terminal, calculate destination mobile terminal and mutual mobile terminal shared signal frequency, also comprise:
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 the signal frequency parameter of signal frequency described in each;
Acquisition module, for obtaining and the signal frequency parameter of the mutual mobile terminal of destination mobile terminal communication;
Processing module, for according to the signal frequency parameter of the signal frequency parameter of described destination mobile terminal and described mutual mobile terminal, 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 regulation FM signal and communication.
Further, in above-mentioned mobile terminal, described in each, the signal frequency parameter of signal frequency comprises the received signal strength of signal frequency described in each, and described destination mobile terminal obtains the signal frequency parameter of described mutual mobile terminal by bluetooth or WIFI.
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 calculating.
Specifically, described processing module is specifically for calculating the described received signal strength functional value of described destination mobile terminal and described mutual mobile terminal useful signal frequency described in each, selects signal frequency that described received signal quality the is the highest shared signal frequency as destination mobile terminal and mutual mobile terminal sending/receiving according to described functional value.
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 selection science more of the signal of the mobile terminal of radio-frequency (RF) broadcast, make 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.
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.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below will be with reference to the accompanying drawings and specific embodiment describe the present invention.
The invention provides a kind of method that FM of utilization realizes communication between mobile terminal, described method comprises: scanning is all signal frequencies that can use in preset range around, and obtains the signal frequency parameter of signal frequency described in each; 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 shared signal frequency and described mutual mobile terminal to realize mode of frequency regulation FM signal and communication.
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 the signal frequency parameter of signal frequency described in each; Acquisition module, for obtaining and the signal frequency parameter of the mutual mobile terminal of destination mobile terminal communication; Processing module, for according to the signal frequency parameter of the signal frequency parameter of described destination mobile terminal and described mutual mobile terminal, 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 regulation FM signal and communication.
Specifically, in the embodiment of the present invention, the scan module of destination mobile terminal scans the operable signal frequency in destination mobile terminal limited range, and obtains the signal frequency parameter of each signal frequency; The scan module that acquisition module obtains mutual mobile terminal scans the operable signal frequency in mutual mobile terminal limited range.Processing module, according to the signal frequency parameter of destination mobile terminal and mutual mobile terminal, calculates the rf frequency that the most applicable destination mobile terminal and mutual mobile terminal transmit and receive.Can realize mode of frequency regulation FM signal and communication by communication module and mutual mobile terminal.Can carry out to mutual networking like this selection science more of the signal of the mobile terminal of radio-frequency (RF) broadcast, make 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.
Describe in detail below in conjunction with embodiment.
Frequency range in the FM of China broadcast is 87.5-108MHz.Generally, in a certain area, radio station takies about 50 signal frequencies.
Each mobile terminal is by a networking of the compositions such as bluetooth or WIFI.The exchanges data of each mobile terminal in networking between can realizing by networking.In the mobile terminal of networking, select a mobile terminal as destination mobile terminal, 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, and acquisition module 102 is preserved module 103, processing module 104, communication module 105, transmitter module 106.
Shown in Fig. 2, utilize mode of frequency regulation FM to realize the step of the method for communication between mobile terminal as follows.
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 signal frequency parameter with the mutual mobile terminal of destination mobile terminal communication;
Step 3 203: the signal frequency parameter that preservation module 103 is preserved 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 calculating.
Step 4 204: processing module 104, according to the signal frequency parameter of the signal frequency parameter of described destination mobile terminal and described mutual mobile terminal, calculates the shared signal frequency of destination mobile terminal and mutual mobile terminal sending/receiving
Step 5 205: communication module 105 utilizes described shared signal frequency and described mutual mobile terminal to realize 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 available other idle signal frequencies and this signal frequency parameter of surrounding of destination mobile terminal by scan module 101.When scan idle signal frequency time, the memory module 103 of destination mobile terminal to the achievable signal frequency will scanning carry out list and storage.Memory module 103 also can be stored acquisition module 102 and be obtained and the signal frequency parameter of the mutual mobile terminal of destination mobile terminal communication.
For example, be chosen at China FM and broadcast operable frequency signal, and go after signal frequency that radio station takies, 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.Taking the signal strength signal intensity of 15 signal frequencies above as 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 by networking by with all mutual mobile scanning terminal of communication to available signal frequency and signal frequency parameter obtain rear integration processing.
In the embodiment of the present invention, be dBm by the intensity RSSI(unit that receives signal) the available signal frequency of each mobile terminal is received to the row-column list demonstration of going forward side by side.Destination mobile terminal, the first mutual mobile terminal and the second mutual mobile terminal can be used for the intensity (directly using RSSI as the data in table) of the signal frequency of transmitting as shown in table 1A and table 1B.
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 the signal frequency of setting 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 signal frequency of the first mutual mobile terminal and the second mutual be less than-60dBm of mobile terminal signal intensity level is as useful signal frequency.According to the instructions for use of varying environment, can carry out different set to the intensity of useful signal frequency.Useful signal frequency is kept in memory module and is transferred at any time for processing module.Each mutual mobile scanning terminal to achievable signal frequency will can by the memory module of self preserve and screening after collect and obtain by destination mobile terminal is unified again.As a kind of mode of multiselect, each mutual mobile scanning terminal to all can signal frequency can all preservation, then collect, obtain and screen by destination mobile terminal memory module is unified.
Processing module is for calculating destination mobile terminal and the mutual shared signal frequency of mobile terminal, comprise: calculate the received signal strength functional value of destination mobile terminal and mutual each useful signal frequency of mobile terminal, the emission signal frequency according to the highest signal frequency of functional value selective reception signal quality as destination mobile terminal and mutual mobile terminal.The useful signal frequency that the memory module preservation of destination mobile terminal self scan module scans and filters out and the useful signal frequency of mutual mobile terminal, then enter calculation according to the signal strength signal intensity of each useful signal frequency.Generally, can there is a signal frequency signal quality by the function computational methods of the most simply averaging.
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.The signal strength signal intensity of 90.1MHz signal frequency is-109.9dBm that the signal strength signal intensity of 91.0MHz signal frequency is-91.6dBm that the signal strength signal intensity of 95.0Mhz signal frequency is-77.6dBm.Processing module is that mobile terminal transmits and receives frequency with regard to the frequency of selected 90.1MHz like this.It is shared signal frequency that communication module utilizes the frequency of 90.1MHz, and realizes mode of frequency regulation FM signal and communication with mutual mobile terminal.Transmitter module starts destination mobile terminal in emission state.
In an embodiment of the present invention, if while calculating the identical situation of the received signal strength mean value of multiple useful signal frequencies, can adopt the function such as variance or standard deviation further to determine the quality of the useful signal frequency signal quality that above-mentioned several received signal strength 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, only have at any time a mobile terminal in emission state by networking requirement, other mobile terminals are in accepting state.In embodiments of the present invention, the nursing module of destination mobile terminal according to the signal frequency parameter of destination mobile terminal and with the signal frequency parameter of the mutual mobile terminal of destination mobile terminal communication, after calculating the shared signal frequency of destination mobile terminal and mutual mobile terminal, start destination mobile terminal in emission state.
When changing destination mobile terminal during as receiving terminal, other with it of mutual mobile terminal of networking as transmitting terminal.In like manner, become the mutual mobile terminal of transmitting terminal as destination mobile terminal, destination mobile terminal originally and other mutual mobile terminal are as new mutual mobile terminal.Then new destination mobile terminal scans its operable signal frequency around, collect again the then achievable signal frequency will storage to each mobile terminal and the screening of achievable signal frequency will of mutual mobile scanning terminal, and process, obtain the best transmitting/receiving signal frequency that shares.
Due to the state in changing all the time of the environment described in mobile terminal, therefore can rescan and select tranmitting frequency one time every a period of time.And the networking that utilizes the communication modes such as bluetooth or WIFI composition realizes synchronous switching.
Above-described is the preferred embodiment of the present invention; should be understood that the ordinary person for the art; can also make some improvements and modifications not departing under principle prerequisite of the present invention, these improvements 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, it is characterized in that, described method comprises:
Scanning is all signal frequencies that can use in preset range around, and obtain the signal frequency parameter of signal frequency described in each;
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 described destination mobile terminal and described 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.
2. the FM of utilization as claimed in claim 1 realizes the method for communication between mobile terminal, it is characterized in that, described in each, the signal frequency parameter of signal frequency comprises the received signal strength of signal frequency described in each, and described destination mobile terminal obtains the signal frequency parameter of described mutual mobile terminal by bluetooth or WIFI.
3. the FM of utilization as claimed in claim 2 realizes the method for communication between mobile terminal, it is characterized in that, obtains and the signal frequency parameter of the mutual mobile terminal of destination mobile terminal communication, after step, comprising:
Preserve 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 calculating.
4. the FM of utilization as claimed in claim 3 realizes the method for communication between mobile terminal, it is characterized in that, according to the signal frequency parameter of the signal frequency parameter of described destination mobile terminal and described mutual mobile terminal, calculate destination mobile terminal and mutual mobile terminal shared signal frequency, comprising:
Calculate the described received signal strength functional value of described destination mobile terminal and described mutual mobile terminal useful signal frequency described in each, select signal frequency that described received signal quality the is the highest shared signal frequency as destination mobile terminal and mutual mobile terminal according to described functional value.
5. the FM of utilization as claimed in claim 1 realizes the method for communication between mobile terminal, it is characterized in that, according to the signal frequency parameter of the signal frequency parameter of described destination mobile terminal and described mutual mobile terminal, calculate destination mobile terminal and mutual mobile terminal shared signal frequency, also comprise:
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 preset range, and obtains the signal frequency parameter of signal frequency described in each;
Acquisition module, for obtaining and the signal frequency parameter of the mutual mobile terminal of destination mobile terminal communication;
Processing module, for according to the signal frequency parameter of the signal frequency parameter of described destination mobile terminal and described mutual mobile terminal, calculates described destination mobile terminal and described mutual mobile terminal shared signal frequency;
Communication module, for utilizing described shared signal frequency and described mutual mobile terminal to realize mode of frequency regulation FM signal and communication.
7. the FM of utilization as claimed in claim 6 realizes the mobile terminal of communication, it is characterized in that, described in each, the signal frequency parameter of signal frequency comprises the received signal strength of signal frequency described in each, and described destination 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 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 calculating.
9. the FM of utilization as claimed in claim 8 realizes the mobile terminal of communication, it is characterized in that, described processing module is specifically for calculating the described received signal strength functional value of described destination mobile terminal and described mutual mobile terminal useful signal frequency described in each, selects signal frequency that described received signal quality the is the highest shared signal frequency as destination mobile terminal and mutual mobile terminal sending/receiving according to described functional value.
10. the FM of utilization as claimed in claim 6 realizes the mobile terminal of communication, it is characterized in that, described mobile terminal also comprises:
Transmitter module, for starting described destination mobile terminal in emission state.
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| CN106937318A (en) * | 2017-02-06 | 2017-07-07 | 赵翔 | Mapping communication system |
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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. |