CN107404352A - A kind of laser communication gear - Google Patents
A kind of laser communication gear Download PDFInfo
- Publication number
- CN107404352A CN107404352A CN201710554333.2A CN201710554333A CN107404352A CN 107404352 A CN107404352 A CN 107404352A CN 201710554333 A CN201710554333 A CN 201710554333A CN 107404352 A CN107404352 A CN 107404352A
- Authority
- CN
- China
- Prior art keywords
- module
- circuit module
- emitter
- selection
- dmd
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0007—Construction
- H04Q2011/0026—Construction using free space propagation (e.g. lenses, mirrors)
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0073—Provisions for forwarding or routing, e.g. lookup tables
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses a kind of laser communication gear, including emitter, receiver and wireless optical router；Emitter includes emitter control circuit, lasing light emitter and DMD, emitter control circuit is connected with lasing light emitter and DMD respectively, input path is connected between lasing light emitter and DMD, the output end of DMD is connected with emitting light path；Receiver includes receiving light path, photoelectric sensing array and the receiver control circuit being sequentially connected；Wireless optical router includes first choice circuit module, the second selection circuit module and model selection and sets device, and first choice circuit module is connected by circuit switching module with the second selection circuit module, forms the first path；First choice circuit module is connected with control module, routing table, storage forwarding module and the second selection circuit module successively, forms alternate path.The wireless laser communication channel of up to million tunnel communication channels is realized, greatly improves transmission rate.
Description
Technical field
The present invention relates to laser communication field, and in particular to a kind of laser communication gear.
Background technology
Wireless laser communication refers to using laser as carrier wave, air as the optic communication of transmission medium, laser has direction
The features such as property is good, brightness is high, monochromaticjty is good, it is well suited as the carrier of short distance optic communication.It is wireless to swash compared with microwave communication
Optic communication has the characteristics that to apply for that communications band, information capacity are big, bandwidth, anti-electromagnetic interference capability are strong, good confidentiality.
Compared with fiber optic communication and other wire communications are compared, and have the characteristics that maneuverability, operating cost are low, easy to spread.Nothing
Line laser communication can be applied in following occasion：1. do not possess access conditions（Optical fiber can not be laid under some environment）When provide it is high
Imitate access scheme；2. there is the occasion strictly limited to provide communication electromagnetic interference for hospital, aircraft etc.；3. for intelligent residential district, greatly
The last one kilometer of the broadband access of enterprise provides a kind of solution of fast and flexible；4. nature or artificial meaning in burst
In outer disaster, if original communication line is destroyed, rapid deployment can be carried out with radio telecommunicaltion system emergent lead to is provided
Letter.
Existing radio telecommunicaltion system typically uses a signal source, and nothing is realized with unification group transmitter-receiver device
Line laser communicates.This technology is present due to there was only one or several communication channels, causes the transmission rate of system to be difficult to
To being obviously improved.
The content of the invention
It is an object of the invention to provide a kind of laser communication gear, and the wireless laser of up to million tunnel communication channels can be achieved
Communication channel, greatly improve transmission rate.
For the above-mentioned purpose, the technical solution adopted in the present invention is：A kind of laser communication gear, including transmitting are provided
Machine, receiver and the wireless optical router for connecting laser transceiver；Emitter includes emitter control circuit, lasing light emitter and number
Word micro mirror element, emitter control circuit are connected with lasing light emitter and DMD respectively, lasing light emitter and DMD
Between be connected with input path, the output end of DMD is connected with emitting light path；What receiver included being sequentially connected connects
Receive light path, photoelectric sensing array and receiver control circuit；Wireless optical router includes first choice circuit module, the second selection
Circuit module and model selection set device, and first choice circuit module is connected by circuit switching module and the second selection circuit module
Connect, form the first path；First choice circuit module selects with control module, routing table, storage forwarding module and second successively
Circuit module connects, and forms alternate path.
Preferably, model selection sets device to be connected respectively with first choice circuit module and the second selection circuit module, shape
Into selection path.
Preferably, the input that first choice circuit module includes first choice circuit and is connected with first choice circuit is defeated
Outgoing interface；Second selection circuit module includes the second selection circuit and the input/output interface being connected with the second selection circuit.
Preferably, input/output interface includes usb circuit, RJ45 interface circuits and SC interface circuits.
Preferably, DMD contains million micro mirrors controlled with electric signal.
Preferably, photoelectric sensing array is cmos device.
In summary, the present invention has advantages below：
1st, a kind of wireless laser communication channel of up to million tunnel communication channels can be achieved in the present invention, obtains the transmission rate of system
Improved to great.
2nd, the present invention by wireless optical router is set with realize the interconnection of the wireless light communication network equipment and networking and
Wireless OCDMA mutually melts intercommunication with other various means of communication, so as to improve network coverage ability.
Brief description of the drawings
Fig. 1 is the module map of laser communication gear of the present invention.
Fig. 2 is the module map of the wireless optical router of the present invention.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
In one embodiment of the present of invention, as shown in Figure 1, 2, there is provided a kind of laser communication gear, including emitter, connect
Receipts machine and the wireless optical router for connecting laser transceiver；It is micro- that emitter includes emitter control circuit, lasing light emitter and numeral
Mirror device, emitter control circuit is connected with lasing light emitter and DMD respectively, between lasing light emitter and DMD
Input path is connected with, the output end of DMD is connected with emitting light path；Receiver includes the reception light being sequentially connected
Road, photoelectric sensing array and receiver control circuit；Wireless optical router includes first choice circuit module, the second selection circuit
Module and model selection set device, and first choice circuit module is connected by circuit switching module with the second selection circuit module,
Form the first path；First choice circuit module successively with control module, routing table, storage forwarding module and the second selection circuit
Module connects, and forms alternate path.
The present invention optimal enforcement example, model selection set device respectively with first choice circuit module and the second selection circuit
Module is connected, and forms selection path；First choice circuit module includes first choice circuit and is connected with first choice circuit
Input/output interface；The input that second selection circuit module includes the second selection circuit and is connected with the second selection circuit is defeated
Outgoing interface, input/output interface include usb circuit, RJ45 interface circuits and SC interface circuits.DMD contains
Million micro mirrors controlled with electric signal, photoelectric sensing array is cmos device.
Information source is accessed in emitter control circuit by information source input interface.Lasing light emitter sends spot light, by input path
Equal light action realize conversion of the spot light to uniform area light source.The uniform area light source is incided on DMD, transmitting
Machine control circuit converts the electrical signal to the output of optical signals emitting light path according to information source using DMD.Output swashs
Light is propagated in clear passage, and photoelectricity is delivered to after carrying out light path adjustment to the optical signal received by receiving light path in receivers
Sensor array realizes opto-electronic conversion, recovers corresponding electric signal so as to complete the process of wireless laser communication.
Wireless optical router with realize the interconnection of the wireless light communication network equipment and networking and wireless OCDMA with it is other
Various means of communication mutually melt intercommunication；The equipment can realize circuit switching and the packet function of exchange of input and output；
Circuit switching and packet switch function are controlled by model selection, and the control of model selection sets device input signal by model selection
Set, packet, which exchanges, includes the functions such as control, Route Selection and storage forwarding；The input/output interface of the equipment includes
RJ45, USB and SC interface.
Although being described in detail with reference to accompanying drawing to the embodiment of the present invention, should not be construed as special to this
The restriction of the protection domain of profit.In the scope described by claims, those skilled in the art are without creative work
The various modification and variation that can be made still belong to the protection domain of this patent.
Claims (6)
- A kind of 1. laser communication gear, it is characterised in that：Including emitter, receiver and the wireless optical for connecting laser transceiver Router；The emitter includes emitter control circuit, lasing light emitter and DMD, the emitter control circuit point It is not connected with lasing light emitter and DMD, input path is connected between the lasing light emitter and DMD, it is described The output end of DMD is connected with emitting light path；The receiver includes receiving light path, the photoelectric sensing being sequentially connected Array and receiver control circuit；The wireless optical router include first choice circuit module, the second selection circuit module and Model selection sets device, and the first choice circuit module is connected by circuit switching module with the second selection circuit module, shape Into the first path；The first choice circuit module is electric with control module, routing table, storage forwarding module and the second selection successively Road module connection, forms alternate path.
- 2. laser communication gear as claimed in claim 1, it is characterised in that：The model selection sets device to be selected respectively with first Select circuit module and the second selection circuit module is connected, form selection path.
- 3. laser communication gear as claimed in claim 1, it is characterised in that：The first choice circuit module includes the first choosing Select circuit and the input/output interface being connected with first choice circuit；The second selection circuit module includes the second selection electricity Road and the input/output interface being connected with the second selection circuit.
- 4. laser communication gear as claimed in claim 1, it is characterised in that：The input/output interface includes USB interface electricity Road, RJ45 interface circuits and SC interface circuits.
- 5. laser communication gear as claimed in claim 1, it is characterised in that：The DMD contains million electricity consumptions The micro mirror of signal control.
- 6. laser communication gear as claimed in claim 1, it is characterised in that：The photoelectric sensing array is cmos device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710554333.2A CN107404352A (en) | 2017-07-10 | 2017-07-10 | A kind of laser communication gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710554333.2A CN107404352A (en) | 2017-07-10 | 2017-07-10 | A kind of laser communication gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107404352A true CN107404352A (en) | 2017-11-28 |
Family
ID=60405206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710554333.2A Pending CN107404352A (en) | 2017-07-10 | 2017-07-10 | A kind of laser communication gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107404352A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684587A (en) * | 2013-11-21 | 2014-03-26 | 华东师范大学 | Multipath wireless laser communication method and device based on digital micro-mirror device |
| CN203775207U (en) * | 2014-04-01 | 2014-08-13 | 华东师范大学 | Multichannel wireless laser communication apparatus |
| CN106571869A (en) * | 2016-08-31 | 2017-04-19 | 丛聪 | Wireless laser communication equipment |
| CN206117667U (en) * | 2016-08-31 | 2017-04-19 | 丛聪 | Wireless laser communication gear |
-
2017
- 2017-07-10 CN CN201710554333.2A patent/CN107404352A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684587A (en) * | 2013-11-21 | 2014-03-26 | 华东师范大学 | Multipath wireless laser communication method and device based on digital micro-mirror device |
| CN203775207U (en) * | 2014-04-01 | 2014-08-13 | 华东师范大学 | Multichannel wireless laser communication apparatus |
| CN106571869A (en) * | 2016-08-31 | 2017-04-19 | 丛聪 | Wireless laser communication equipment |
| CN206117667U (en) * | 2016-08-31 | 2017-04-19 | 丛聪 | Wireless laser communication gear |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171128 |