CN103368672A - Portable wireless channel analyzer and wireless channel quality inspection method - Google Patents
Portable wireless channel analyzer and wireless channel quality inspection method Download PDFInfo
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- CN103368672A CN103368672A CN2013102888855A CN201310288885A CN103368672A CN 103368672 A CN103368672 A CN 103368672A CN 2013102888855 A CN2013102888855 A CN 2013102888855A CN 201310288885 A CN201310288885 A CN 201310288885A CN 103368672 A CN103368672 A CN 103368672A
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Abstract
The invention relates to a portable wireless channel analyzer which not only is convenient to carry, but also can be used for the field inspection of wireless channel quality, and a wireless channel quality inspection method. The portable wireless channel analyzer comprises a shell and a battery. A main controller bi-directionally exchanges data with a certain radio-frequency chip of different frequency bands through an analog switch. The main controller also bi-directionally exchanges data with a touch display screen. The portable wireless channel analyzer and the wireless channel quality inspection method have the advantages that the portable wireless channel analyzer can be used for scanning and analyzing the quality of each corresponding communication channel in the air, is suitable for technicians to check the state of the corresponding wireless channel during field installation of wireless equipment, can help the technicians to arrange the wireless equipment in the field and can realize interaction with users through an intelligent man-machine interaction interface; the technical problem that the technicians cannot evaluate the wireless channel quality in the field is solved, the size is small, the weight is light and the analyzer is convenient to carry; and through experiments, the energy intensity of each working channel in the current environment can be scanned through the radio-frequency chip and the goal of analyzing the channel quality is achieved.
Description
Technical field
The present invention relates to a kind ofly both be convenient for carrying, the portable mobile wireless Multiple Channel Analysis instrument that again can be on-the-spot quality of wireless channel be detected and the detection method of quality of wireless channel belong to the wireless channel detecting instrument and make the field.
Background technology
1, CN101662328A, title " performance detector of portable ultrashort wave frequency hopping station " comprise the coupler that is connected with tested radio station, the signal coupling of high-power transmitting station emission is gone out a fraction of signal send into the radio frequency processing module by its coupled end; The radio frequency processing module uses various filters that frequency range is cut apart, and the radio frequency signal frequency group that obtains is sent into data collecting card; Data collecting card carries out digitized processing with the radio frequency signal frequency group that obtains; Control board is made short time FFT transform to the baseband signal from data collecting card, calculating parameter then, and the result send on the external touch and shows.This background technology is that emission source is measured, and is that direct contact type is measured; The 2nd, the frequency characteristic of main measuring-signal, rather than the amplitude of signal (intensity).
2, now, it is more and more popular that radio communication becomes, and the mode of increasing equipment choice for use radio communication is come transmission information.Exactly because so, therefore aerial wireless channel also becomes busy.When constructing at the scene, the technician is necessary to know the radio channel state in the current environment, in order to obtain more excellent radio communication quality and efficient.
But, also do not have the instrument of ad hoc analysis quality of wireless channel at present, but need to analyze with the spectrum analyzer of specialty.Although spectrum analyzer can be analyzed the information such as the frequency, bandwidth, transmitting power of input signal, judge the quality of channel quality according to the channel energy that measures, but the quality of using frequency spectrograph to analyze wireless channel no doubt can, but frequency spectrograph is expensive, bulky and heavy, be not easy to carry, and is very not convenient for technician's site operation.And frequency spectrograph is as the radio frequency instrument of specialty, and complicated operation only has the people through professional training just can operate.
Summary of the invention
Purpose of design: avoid the weak point in the background technology, design and a kind ofly both be convenient for carrying, the portable mobile wireless Multiple Channel Analysis instrument that again can be on-the-spot quality of wireless channel be detected and the detection method of quality of wireless channel.
Design: in order to realize above-mentioned purpose of design.The invention scheme is selected the radio frequency chip of certain frequency range by the main controller controls analog switch, and by radio frequency chip corresponding wireless channel is carried out scan channel, with the design of the quality condition that obtains current corresponding wireless channel, it is technical characteristics of the present invention.The purpose of doing like this is: a plurality of radio frequency chips to the corresponding wireless channel data of carrying out scan channel send to master controller, after the signal data of master controller and internal memory is compared, is calculated by analysis, can be easily the signal amplitude of each channel form by concrete numerical value or chart be presented on the touch display screen, the user can also arrange and man-machine interactive operation accordingly by touch display screen simultaneously.
Technical scheme 1: a kind of portable mobile wireless Multiple Channel Analysis instrument, comprise shell and battery, master controller is by certain radio frequency chip bidirectional data exchange, master controller and touch display screen bidirectional data exchange in analog switch and the different frequency range.
Technical scheme 2: a kind of portable mobile wireless Multiple Channel Analysis instrument detects the method for quality of wireless channel, master controller selects the radio frequency chip in the different frequency range that corresponding wireless channel is carried out scan channel by the control simulation switch, to obtain the qualitative data of current corresponding wireless channel, and radio frequency chip sends to master controller with the corresponding wireless channel scanning data of institute, master controller is by built-in quality of wireless channel value comparison software kit comparison, after the analyzing and processing, the quality of the institute's respective channels form by concrete numerical value or chart is shown at touch display screen, and the user can also carry out corresponding man-machine interactive operation by touch display screen simultaneously.
The present invention compares with background technology, the one, portable mobile wireless Multiple Channel Analysis instrument, can scan and analyze aerial each the quality of corresponding radio communication channel, be suitable for the technician checks the corresponding wireless channel of institute when now wireless device being installed state, the help technical staff arranges that at the scene wireless device and human-computer interaction interface and user by intelligence carry out alternately; The 2nd, solved the technical staff and can't assess the technical problem of quality of wireless channel at the scene, and it is little, lightweight, easy to carry, simple to operate, with low cost to have a volume; The 3rd, by experiment, the energy intensity by each working channel in the radio frequency chip scanning current environment has reached the purpose of analyzing channel quality.
Description of drawings
Fig. 1 is the schematic diagram of portable mobile wireless Multiple Channel Analysis instrument the first embodiment.
Fig. 2 is the schematic diagram of portable mobile wireless Multiple Channel Analysis instrument the second embodiment.
Embodiment
Embodiment 1: with reference to accompanying drawing 1.A kind of portable mobile wireless Multiple Channel Analysis instrument comprises shell 2 and battery 3, certain radio frequency chip 6,7,8,9 bidirectional data exchange that master controller 1 passes through in analog switch 5 and the different frequency range, master controller 1 and touch display screen 4 bidirectional data exchange.Described different frequency range is not limited to 6,7,8,9 four radio frequency chips of above-mentioned label.Described master controller 1 adopts ARM Contex-M3 or ARM Contex-M4 or ARM Contex-M0 family chip.Described analog switch 5 adopts the CD4067/CD4097 analog switch, or the AD7501/7502/7503 analog switch.Described radio frequency chip 6,7,8,9 adopts the CC2520/CC2500/CC1120/CC1101 chip, or the Si4430/Si4438 chip, or the A7138/A7325 chip, or the CD4067/CD4097 chip, or the AD7501/7502/7503 chip.Whole device is all placed in the portable shell 2, makes things convenient for the user to carry, out of doors or the scene also can do wireless test.
Described analog switch 5 adopts the CD4067/CD4097 analog switch of Texas Instruments, or the analog switches such as AD7501/7502/7503 of AD company.In the pinouts of the CD4067 of Texas Instrument chip, the 15th pin INHIBIT of chip is exactly the enable pin of chip, can control the work of this chips/do not work by master controller.
Described radio frequency chip 6,7,8,9 adopts the CC2520/CC2500/CC1120/CC1101 of Texas Instruments etc., or the Si4430/Si4438 of Silicon Lab company etc., or the A7138/A7325 of sheng, a reed pipe wind instrument section electronics etc.
Embodiment 2: on the basis of embodiment 1, with reference to accompanying drawing 2.Described analog switch 5 signal output parts connect amplifying circuit 10 signal input parts, and amplifying circuit 10 signal output parts connect master controller 1 signal input part, master controller 1 output termination analog switch 5 signal input parts.
Embodiment 3: on the basis of embodiment 1 or 2, a kind of portable mobile wireless Multiple Channel Analysis instrument detects the method for quality of wireless channel, the radio frequency chip 6 that master controller 1 is selected in the different frequency range by control simulation switch 5,7,8,9 pairs of corresponding wireless channels carry out scan channel, to obtain the qualitative data of current corresponding wireless channel, and radio frequency chip 6,7,8,9 send to master controller 1 with the corresponding wireless channel scanning data of institute, master controller 1 is by built-in quality of wireless channel value comparison software kit comparison, after the analyzing and processing, the quality of the institute's respective channels form by concrete numerical value or chart is shown at touch display screen 4, and the user can also carry out corresponding man-machine interactive operation by touch display screen 4 simultaneously.The method for designing of quality of wireless channel value comparison software kit is prior art, is not described herein at this.
What need to understand is: although above-described embodiment is to the mentality of designing of the present invention detailed text description of contrasting; but these text descriptions; just the simple text of mentality of designing of the present invention is described; rather than to the restriction of mentality of designing of the present invention; any combination, increase or modification that does not exceed mentality of designing of the present invention all falls within the scope of protection of the present invention.
Claims (7)
1. portable mobile wireless Multiple Channel Analysis instrument, comprise shell (2) and battery (3), it is characterized in that: master controller (1) passes through certain radio frequency chip (6,7,8, the 9) bidirectional data exchange in analog switch (5) and the different frequency range, master controller (1) and touch display screen (4) bidirectional data exchange.
2. portable mobile wireless Multiple Channel Analysis instrument according to claim 1, it is characterized in that: described different frequency range is not limited to four.
3. portable mobile wireless Multiple Channel Analysis instrument according to claim 1 is characterized in that: described master controller (1) employing ARM Contex-M3, ARM Contex-M4, ARM Contex-M0 family chip.
4. portable mobile wireless Multiple Channel Analysis instrument according to claim 1 is characterized in that: described analog switch (5) employing CD4067/CD4097 analog switch, or AD7501/7502/7503 analog switch.
5. portable mobile wireless Multiple Channel Analysis instrument according to claim 1, it is characterized in that: described radio frequency chip (6,7,8,9) adopts the CC2520/CC2500/CC1120/CC1101 chip, or Si4430/Si4438 chip, or A7138/A7325 chip, or CD4067/CD4097 chip, or AD7501/7502/7503 chip.
6. portable mobile wireless Multiple Channel Analysis instrument according to claim 1, it is characterized in that: described analog switch (5) signal output part connects amplifying circuit (10) signal input part, amplifying circuit (10) signal output part connects master controller (1) signal input part, master controller (1) output termination analog switch (5) signal input part.
7. a portable mobile wireless Multiple Channel Analysis instrument detects the method for quality of wireless channel, it is characterized in that: master controller (1) is by the radio frequency chip (6 in control simulation switch (5) the selection different frequency range, 7,8,9) corresponding wireless channel is carried out scan channel, to obtain the qualitative data of current corresponding wireless channel, and radio frequency chip (6,7,8,9) the corresponding wireless channel scanning data of institute are sent to master controller (1), master controller (1) is by built-in quality of wireless channel value comparison software kit comparison, after the analyzing and processing, the quality of the institute's respective channels form by concrete numerical value or chart is shown at touch display screen (4), and the user can also carry out corresponding man-machine interactive operation by touch display screen (4) simultaneously.
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Cited By (2)
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| CN106658320A (en) * | 2015-08-18 | 2017-05-10 | Gn瑞声达A/S | Method of exchanging data packages between first and second portable communication devices using a favoured frequency band |
| CN113014334A (en) * | 2020-11-03 | 2021-06-22 | 利尔达科技集团股份有限公司 | Test system and test method of UWB positioning module |
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