CN102158262A - Unsymmetrical wireless communication method and system - Google Patents
Unsymmetrical wireless communication method and system Download PDFInfo
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- CN102158262A CN102158262A CN2011100950706A CN201110095070A CN102158262A CN 102158262 A CN102158262 A CN 102158262A CN 2011100950706 A CN2011100950706 A CN 2011100950706A CN 201110095070 A CN201110095070 A CN 201110095070A CN 102158262 A CN102158262 A CN 102158262A
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- 230000006854 communication Effects 0.000 title claims abstract description 59
- 238000004891 communication Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims abstract description 9
- 230000001174 ascending effect Effects 0.000 abstract 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000012634 optical imaging Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The invention discloses an unsymmetrical wireless communication method. An ascending channel and a descending channel are included. The method is characterized in that the descending channel is a simplex wireless channel established by a wireless receiving unit, while the ascending channel is a simplex channel established by an optical imaging unit. The invention has the advantages of high security simple installation, no need of wiring, simple erection and debugging, no need of accurate aiming and even realization of the communication process in movement; and because two wireless and optical media are needed for completing the whole communication process, the communication can not be wirelessly intercepted.
Description
Technical field
The invention belongs to wireless communication field, especially a kind of asymmetrical wireless communications method and system.
Background technology
At present, comparatively Chang Yong communication mode all is based on symmetric channel, as the RFID(radio-frequency (RF) identification) radio communication, optical fiber communication, laser communication etc.Radio communication mainly comprises microwave communication and satellite communication, need not wired communication media, and transfer rate is fast, and directly multi-point still because transmission information is exposed in the air, is intercepted and captured easily, and fail safe is difficult to be protected; Optical fiber communication is the communication mode that mainly relies on optical fiber transmission signal, the reliability height, and speed is fast, but needs laying-out, and trouble is installed; Laser communication is to use the communication mode of laser as transmission medium, and message capacity is big, strong security, and structure is light, but atmospheric attenuation is serious, and the aiming difficulty.
Summary of the invention
The present invention seeks to: provide a kind of simple in structure, safe asymmetrical wireless communications method and system.
Technical scheme of the present invention is: a kind of asymmetrical wireless communications method, comprise up channel and down channel, it is characterized in that described down channel is the wireless channel that radio receiving unit is set up single worker, described up channel is set up single worker's channel for the optical imagery unit.
Further, described wireless channel is the wireless radiofrequency channel.
Further, the modulation system of described wireless channel is FSK, PSK, PCM or OFDM.
Further, the image that is used to discern that shows of described optical imagery unit is that bar code or two-dimension code or other can be by the machine figures of identification automatically.
A kind of asymmetrical wireless communication system comprises communication ends A and communication ends B, it is characterized in that described communication ends A comprises the wireless signal sending module, image collection module and picture recognition module; Described communication ends B comprises wireless signal receiver module, data processing module and display module.
Further, described wireless signal sending module and wireless signal receiver module are the wireless radiofrequency module.
Further, described image collection module is video camera or camera.
Advantage of the present invention is:
1. safe, owing to need wirelessly just can finish whole communication process with two media of optics, so can not be by wireless intercepting and capturing;
2. install simply, need not wiring;
3. it is simple to set up debugging, need not accurate aiming, even realizes communication process in can moving.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is an asymmetrical wireless communication system block diagram of the present invention.
Embodiment
Embodiment: as shown in Figure 1, communication ends A sets up single worker's wireless channel by the radio receiving unit of wireless transmission unit and communication ends B.Communication ends A will send data and modulate and send with following mode, as FSK, PSK, PCM, OFDM etc.Communication ends B receives wireless signal, and carries out demodulation by the modulation system of agreement.Single worker's channel is set up in the optical imagery unit of the optical display unit of communication ends B and communication ends A.Communication ends B will send data and show at optical display unit with different modes such as figure, color, literal by certain rule.Identification for convenience, the graphical display that we adopted is that bar code or two-dimension code show usually.
Communication ends A obtains displaying contents in the optical imagery unit, and decodes with image processing and mode identification technology.Asymmetrical wireless communication system comprises communication ends A and communication ends B, and communication ends A comprises the wireless signal sending module, image collection module and picture recognition module; Communication ends B comprises wireless signal receiver module, data processing module and display module.In the present embodiment, wireless signal sending module and wireless signal receiver module are the wireless radiofrequency module.During operating state, communication ends A sends instruction to communication ends B, communication ends B will instruct and be presented on the display screen after the decoding processing, and video camera or camera as image collection module on the communication ends A take content displayed and identification on the display screen, thereby have finished the two-way communication of up-downgoing.
Above embodiment only is the present invention's a kind of execution mode wherein, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (7)
1. an asymmetrical wireless communications method comprises up channel and down channel, it is characterized in that, described down channel is the wireless channel that radio receiving unit is set up single worker, and described up channel is set up single worker's channel for the optical imagery unit.
2. asymmetrical wireless communications method according to claim 1 is characterized in that, described wireless channel is the wireless radiofrequency channel.
3. asymmetrical wireless communications method according to claim 2 is characterized in that, the modulation system of described wireless channel is FSK, PSK, PCM or OFDM.
4. asymmetrical wireless communications method according to claim 1 is characterized in that, the image that is used to discern that described optical imagery unit shows is that bar code or two-dimension code or other can be by the machine figures of identification automatically.
5. an asymmetrical wireless communication system comprises communication ends A and communication ends B, it is characterized in that described communication ends A comprises the wireless signal sending module, image collection module and picture recognition module; Described communication ends B comprises wireless signal receiver module, data processing module and display module.
6. asymmetrical wireless communication system according to claim 5 is characterized in that, described wireless signal sending module and wireless signal receiver module are the wireless radiofrequency module.
7. asymmetrical wireless communication system according to claim 5 is characterized in that, described image collection module is video camera or camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100950706A CN102158262A (en) | 2011-04-15 | 2011-04-15 | Unsymmetrical wireless communication method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100950706A CN102158262A (en) | 2011-04-15 | 2011-04-15 | Unsymmetrical wireless communication method and system |
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| Publication Number | Publication Date |
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| CN102158262A true CN102158262A (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100950706A Pending CN102158262A (en) | 2011-04-15 | 2011-04-15 | Unsymmetrical wireless communication method and system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1777101A (en) * | 2005-11-22 | 2006-05-24 | 大连理工大学 | Real-time identity authentication method based on mobile phone, bluetooth and two-dimensional barcode |
| CN1893694A (en) * | 2005-07-08 | 2007-01-10 | 杭州波导软件有限公司 | Pick-up head hand-set with bar-code anti-fake inquirling function and anti-fake inquiring system |
| CN101501716A (en) * | 2006-05-30 | 2009-08-05 | 戴尔产品有限公司 | Location-specific delivery of promotional content to mobile consumer device |
-
2011
- 2011-04-15 CN CN2011100950706A patent/CN102158262A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1893694A (en) * | 2005-07-08 | 2007-01-10 | 杭州波导软件有限公司 | Pick-up head hand-set with bar-code anti-fake inquirling function and anti-fake inquiring system |
| CN1777101A (en) * | 2005-11-22 | 2006-05-24 | 大连理工大学 | Real-time identity authentication method based on mobile phone, bluetooth and two-dimensional barcode |
| CN101501716A (en) * | 2006-05-30 | 2009-08-05 | 戴尔产品有限公司 | Location-specific delivery of promotional content to mobile consumer device |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110817 |
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| RJ01 | Rejection of invention patent application after publication |