CN203327008U - High-speed visible light multiple input-multiple output system - Google Patents
High-speed visible light multiple input-multiple output system Download PDFInfo
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- CN203327008U CN203327008U CN2013204090864U CN201320409086U CN203327008U CN 203327008 U CN203327008 U CN 203327008U CN 2013204090864 U CN2013204090864 U CN 2013204090864U CN 201320409086 U CN201320409086 U CN 201320409086U CN 203327008 U CN203327008 U CN 203327008U
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- high speed
- visible light
- visible ray
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Abstract
The utility model relates to a high-speed visible light multiple input-multiple output system which comprises a transmitting device and a receiving device. The transmitting device comprises a control module, N driving circuits connected with signal output ends of the control module, and N LED lamps connected with signal output ends of the N driving circuits respectively. The receiving device comprises a photoelectric conversion module, an amplifier, an A/D conversion module and a signal recovery module which are sequentially connected in sequence. The high-speed visible light multiple input-multiple output system has the advantages of simple structure, high speed and high stability, can be further integrally carried on various mobile terminals through existing technologies, and has very high applicability.
Description
Technical field
The utility model belongs to the free space optical communication field, be between a kind of indoor visible ray transmitting apparatus of integrated realization and terminal equipment at a high speed, the solution of multichannel communication, a kind of high speed visible ray mimo systems specifically.
Background technology
At present, the visible light communication technology, be that the high speed light and shade flash signal be invisible to the naked eye of utilizing fluorescent lamp or light-emitting diode etc. to send is carried out transmission information, and the wire device of high-speed Internet is connected on lighting device, inserts attaching plug and can use.Utilize the system that this technology is made can cover the scope that indoor light reaches, computer does not need electric wire to connect, thereby has prospect widely.
Summary of the invention
The utility model is the application for the visible light communication field, a kind of high speed visible ray mimo systems of proposition.
The technical solution of the utility model is:
A kind of high speed visible ray mimo systems, it is characterized in that it comprises transmitting apparatus and receiving equipment, described transmitting apparatus comprises control module, N the drive circuit connected with the control module signal output part and N the LED lamp be connected with N drive circuit signal output part respectively, described receiving equipment comprises photoelectric conversion module, the amplifier of serial connection successively, A/D modular converter and signal recover module.
Photoelectric conversion module of the present utility model is the PIN pipe.
Signal recover module of the present utility model is FPGA.
Amplifier of the present utility model is operational amplifier.
The beneficial effects of the utility model:
System configuration of the present utility model is simple, speed is fast, stability is high, by prior art can further integrated lift-launch on all multi-mobile-terminals, there is very strong applicability.
The utility model is compared with the WLAN (wireless local area network) (WLAN) of using at present, and " visible light communication " system can utilize room lighting equipment to replace the WLAN lan base station to transmit, and its communication speed can reach per second tens of million to hundreds of million.The place shone at indoor light utilizes computer and personal digital assistant device special-purpose, can the receiving and transmitting signal function, as long as just can be downloaded and uploading data for a long time.Contrast is usually based on electromagnetic wireless transmission, and this system also has safe characteristics.Cover light with curtain, information just can not leak to outdoor, and indoor Information Security is high, can be applied to military affairs or other require the communication mode of strong security.Use multiple computers also can not affect communication speed simultaneously.Owing to not using airwave communication, to the departments such as hospital of electromagnetic signal sensitivity, can freely use this system.
The utility model is with respect to the wireless electromagnetic wave communication, and visible ray has advantages of good confidentiality, directionality is high, theoretical velocity is high, channel capacity is abundant.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the case illustration intention that the utility model is applied to indoor visible light communication.
Fig. 3 is the transmitting apparatus structural representation.
Fig. 4 is the receiving equipment structural representation.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
A kind of high speed visible ray mimo systems, it comprises transmitting apparatus and receiving equipment, described transmitting apparatus comprises control module, N the drive circuit connected with the control module signal output part and N the LED lamp be connected with N drive circuit signal output part respectively, described receiving equipment comprises photoelectric conversion module, the amplifier of serial connection successively, A/D modular converter and signal recover module.
Photoelectric conversion module of the present utility model is the PIN pipe.
Signal recover module of the present utility model is FPGA.
Amplifier of the present utility model is operational amplifier.
Transmitting portion is utilized current feedback amplifier THS3091 driving LED array (LUXEON STAR), and input signal is modulated on visible LED and launches.
Receiving unit comprises photoelectric conversion module PIN pipe, high-performance low noise amplifier OPA637, high-speed a/d module (analog-digital conversion), signal recover module.
Wherein signal is processed the recovery module and can be transplanted to kinds of processes making integrated circuit.Realize that with general processor (von Neumann structure or Harvard structure) compare, there is the highly-parallel characteristic, can reach very high throughput speed, effectively reduce system power dissipation, be convenient to integrated.Module feasibility that we have adopted the FPGA platform validation.
The utility model does not relate to partly all prior aries that maybe can adopt same as the prior art to be realized.
Claims (4)
1. a high speed visible ray mimo systems, it is characterized in that it comprises transmitting apparatus and receiving equipment, described transmitting apparatus comprises control module, N the drive circuit connected with the control module signal output part and N the LED lamp be connected with N drive circuit signal output part respectively, described receiving equipment comprises photoelectric conversion module, the amplifier of serial connection successively, A/D modular converter and signal recover module.
2. high speed visible ray mimo systems according to claim 1, is characterized in that described photoelectric conversion module is the PIN pipe.
3. high speed visible ray mimo systems according to claim 1, is characterized in that described signal recover module is FPGA.
4. high speed visible ray mimo systems according to claim 1, is characterized in that described amplifier is operational amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204090864U CN203327008U (en) | 2013-07-10 | 2013-07-10 | High-speed visible light multiple input-multiple output system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204090864U CN203327008U (en) | 2013-07-10 | 2013-07-10 | High-speed visible light multiple input-multiple output system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203327008U true CN203327008U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2013204090864U Expired - Fee Related CN203327008U (en) | 2013-07-10 | 2013-07-10 | High-speed visible light multiple input-multiple output system |
Country Status (1)
| Country | Link |
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| CN (1) | CN203327008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684598A (en) * | 2014-01-06 | 2014-03-26 | 中国人民解放军信息工程大学 | Visible light communication system |
| CN104681692A (en) * | 2014-12-31 | 2015-06-03 | 深圳市晶台股份有限公司 | LED photo-communication and driving integration packaging optical engine technology and application |
-
2013
- 2013-07-10 CN CN2013204090864U patent/CN203327008U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684598A (en) * | 2014-01-06 | 2014-03-26 | 中国人民解放军信息工程大学 | Visible light communication system |
| CN103684598B (en) * | 2014-01-06 | 2017-05-10 | 中国人民解放军信息工程大学 | Visible light communication system |
| CN104681692A (en) * | 2014-12-31 | 2015-06-03 | 深圳市晶台股份有限公司 | LED photo-communication and driving integration packaging optical engine technology and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20150710 |
|
| EXPY | Termination of patent right or utility model |