CN205545276U - Wireless communication system based on 1394 light bus - Google Patents
Wireless communication system based on 1394 light bus Download PDFInfo
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- CN205545276U CN205545276U CN201620117817.1U CN201620117817U CN205545276U CN 205545276 U CN205545276 U CN 205545276U CN 201620117817 U CN201620117817 U CN 201620117817U CN 205545276 U CN205545276 U CN 205545276U
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Abstract
The utility model discloses a wireless communication system based on 1394 light bus, including remote communication end and telex network end, remote communication end and telex network end are by 1394 equipment, 1394 interface circuit and wireless light transmission parts constitute, wireless light transmission parts includes the ATP subsystem, the ATP subsystem is connected with the optical antenna, optics antenna connection has light beam collimating system, light beam collimating system is connected with photoelectric detector, photoelectric detector is connected with enlarged demodulation circuit, it has the decoder to enlarge demodulation circuit connection, the decoder is connected with the encoder through 1394 interface circuit, the encoder is connected with the drive demodulation circuit, drive demodulation circuit connection has the laser instrument, the laser instrument loops through light beam collimating system again and the optical antenna sends the signal, combine 1394 light buses and wireless optical communication, the advantage that makes 1394 light buses obtains more abundant performance, the wholeness that also will make optical communication system can obtain very big improvement, can more effectively reduce strong electromagnetic interference degree.
Description
Technical field
This utility model relates to secondary radar communication technical field, is specifically related to a kind of total based on 1394 light
The wireless communication system of line.
Background technology
Since nineteen thirty comes out for radar, Radar Technology is just widely used in military field.1960
Age, for adapting to artificial earth satellite and the demand of ballistic missile observation, Connectors for Active Phased Array Radar technology
Acquisition develops rapidly, and secondary radar is mainly used in military monitoring and hits, and its mode of operation is ground thunder
Reaching and launch radar wave to target aircraft, target aircraft is replied in the corresponding way.
1394 smooth buses are a kind of universal serial bus towards high-speed peripheral, its transfer rate up to 100～
400Mbps, the 1394b specification that calendar year 2001 is released is even as high as 800Mbps～3.2Gbps, has the most slotting
I.e. use, support the advantage such as isochronous transfers and point-to-point transmission.And wireless light communication is then particularly suitable for a little
To some transmission and a broadband wireless access, having permission band, roomy (current speed is up to 10Gbps, laboratory
The equipment of middle development is even as high as 160Gbps), confidentiality height, the advantage such as protocol transparent.
But the communication effect that at present, 1394 application on secondary radar are reached is the most inconspicuous.Depend on
So there is the biggest defect.
Utility model content
For problem above, this utility model provides a kind of radio communication system based on 1394 smooth buses
1394 smooth buses and wireless light communication are combined, make the advantage of 1394 smooth buses obtain more abundant by system
Performance, also the overall performance making optical communication system is greatly improved, can more effectively reduce
Strong electromagnetic degree, breaches 1394 smooth buses to the restriction of transmission range and conventional serial bus to biography
The restriction of defeated speed, shares transmission equipment provide brand-new for large-capacity data transmission, multiple terminal
Solution, can effectively solve the problem in background technology.
To achieve these goals, the technical solution adopted in the utility model is as follows: a kind of based on 1394
The wireless communication system of light bus, including telecommunication end and telex network end, described telecommunication end
Form by 1394 equipment, 1394 interface circuits and wireless optical transmission unit with telex network end, described
1394 equipment are connected with wireless optical transmission unit by 1394 interface circuits, the nothing of described telecommunication end
Linear light transmission unit transmits information, institute with the wireless optical transmission unit of telex network end by atmospheric medium
Stating wireless optical transmission unit and include ATP subsystem, described ATP subsystem connects optical antenna, institute
Stating optical antenna connection and have passing through a collimating system, described passing through a collimating system connects photodetector,
Described photodetector connects amplification demodulator circuit, and described amplification demodulator circuit connects decoder,
Described decoder is connected by 1394 interface circuits encoder, and described encoder connects driving demodulation
Circuit, described driving demodulator circuit connects has laser instrument, described laser instrument to pass sequentially through beam collimation again
Signal is sent by system and optical antenna.
As a kind of optimal technical scheme of the present utility model, described 1394 interface circuits are connected by cable
Device, physical chip, link layer chip and DSP module composition, described wire and cable connector and 1394 sets
Standby connected, described wire and cable connector is connected with physical chip, described physical chip and link layer core
Sheet is connected, and described link layer chip is connected with DSP module, described DSP module and wireless optical transmission list
Unit is connected.
As a kind of optimal technical scheme of the present utility model, the cable in described 1394 interface circuits is even
Connect device and connect at least one 1394 equipment.
The beneficial effects of the utility model:
1394 smooth buses and wireless light communication are combined by this utility model, make the advantage of 1394 smooth buses
Played more fully, also the overall performance making optical communication system is greatly improved, can be more
Effective reduction strong electromagnetic degree, breaches 1394 smooth buses to the restriction of transmission range and tradition string
The row bus restriction to transfer rate, shares transmission equipment carry for large-capacity data transmission, multiple terminal
Supply brand-new solution.
Accompanying drawing explanation
Fig. 1 is this utility model overall structure schematic diagram.
Fig. 2 is the structural representation of this utility model wireless optical transmission unit.
Fig. 3 is the structural representation of this utility model 1394 interface circuit.
Figure is numbered: 1-telecommunication end；2-telex network end；3-1394 equipment；4-1394 interface
Circuit；5-wireless optical transmission unit；6-ATP subsystem；7-optical antenna；8-passing through a collimating system；
9-photodetector；10-amplifies demodulator circuit；11-decoder；12-encoder；13-drives demodulator circuit；
14-laser instrument；15-wire and cable connector；16-physical chip；17-link layer chip；18-DSP module.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with
Drawings and Examples, are further elaborated to this utility model.Should be appreciated that this place is retouched
The specific embodiment stated, only in order to explain this utility model, is not used to limit this utility model.
Embodiment:
As shown in Figure 1 to Figure 3, a kind of wireless communication systems based on 1394 smooth buses, including remotely
Communication ends 1 and telex network end 2, described telecommunication end 1 and telex network end 2 are set by 1394
Standby 3,1394 interface circuits 4 and wireless optical transmission unit 5 form, and described 1394 equipment 3 are by 1394
Interface circuit 4 is connected with wireless optical transmission unit 5, the wireless optical transmission list of described telecommunication end 1
Unit 5 transmits information, described nothing with the wireless optical transmission unit 5 of telex network end 2 by atmospheric medium
Linear light transmission unit 5 includes ATP subsystem 6, and described ATP subsystem 6 connects optical antenna 7,
Described optical antenna 7 connects passing through a collimating system 8, and described passing through a collimating system 8 connects light electrical resistivity survey
Surveying device 9, described photodetector 9 connects amplification demodulator circuit 10, described amplification demodulator circuit 10
Connecting and have decoder 11, described decoder 11 is connected by 1394 interface circuits 4 encoder 12,
Described encoder 12 connects driving demodulator circuit 13, and described driving demodulator circuit 13 connects laser
Device 14, described laser instrument 14 passes sequentially through passing through a collimating system 8 again and signal is sent out by optical antenna 7
Going out, the signal transmitted between 1394 equipment 3 first passes through 1394 smooth buses and carries out high-speed transfer, 1394 interfaces
Circuit 4 realizes the process of data, forwarding, and wireless optical transmission unit then realizes laser letter in atmospheric medium
Number serial transmitting-receiving.
On above-described embodiment preferably, described 1394 interface circuits 4 are by wire and cable connector 15, physical layer
Chip 16, link layer chip 17 and DSP module 18 form, described wire and cable connector 15 and 1394
Equipment 3 is connected, and described wire and cable connector 15 is connected with physical chip 16, described physical chip
16 are connected with link layer chip 17, and described link layer chip 17 is connected with DSP module 18, described
DSP module 18 is connected with wireless optical transmission unit 5.
On above-described embodiment preferably, the wire and cable connector 15 in described 1394 interface circuits 4 is connected to
Few 1394 equipment 3.
Concrete, the serial signal that 1394 interface circuits are sent here is encoded into by encoder and is suitable for wireless optical
The form of channel.Manchester code is generally used in wireless light communication.Driving modulation circuit is to drive
Laser works also realizes the circuit of Electro-optical Modulation, it by be loaded with the electric current injection laser of the signal of telecommunication with
Realize intensity modulated.The light that laser instrument sends is it is generally required to enter its angle of divergence through passing through a collimating system
Row compression re-uses optical antenna and launches, and the signal that optical antenna receives is through passing through a collimating system
Compression, the most directly detect, amplify, shaping, decoding, finally send into 1394 interface circuits and enter
Row processes, and communicates or communicate between the terminal of relative motion in the case of distant
Time, ATP subsystem is necessary, and the short haul connection between quiescent terminal, the most unnecessary.
This utility model wire and cable connector is used for coupling together 1394 equipment and 1394 interface chips.Thing
Reason layer chip realizes on the logical signal of link layer and universal serial bus the conversion between the signal of telecommunication of transmission also
Realize mediation service；When link layer chip then realizes equity and the addressing of asynchronous data packets, data check,
The functions such as analysis, the process that the individual data bag that it is provided sends is referred to as " subtransaction ", and this is a kind of
Semiduplex packet sends service, and the mediation service of physical layer the most only allows have one at synchronization
Individual node is sending data, and DSP module then controls link layer chip operation as master controller, and
Complete two-way reception and the forwarding of data between link layer chip and wireless optical transmission unit.
Based on above-mentioned, 1394 smooth buses and wireless light communication are combined by this utility model, make 1394
The advantage of light bus is played more fully, is also obtained greatly by the overall performance making optical communication system
Raising, can more effectively reduce strong electromagnetic degree, breach 1394 smooth buses to transmission range
Restriction and the restriction to transfer rate of the conventional serial bus, for large-capacity data transmission, multiple terminal
Shared transmission equipment provides brand-new solution.
The foregoing is only preferred embodiment of the present utility model, not new in order to limit this practicality
Type, all any amendment, equivalent and improvement made within spirit of the present utility model and principle
Deng, within should be included in protection domain of the present utility model.
Claims (3)
1. a wireless communication system based on 1394 smooth buses, it is characterised in that include telecommunication
End and telex network end, described telecommunication end and telex network end are by 1394 equipment, 1394 interfaces
Circuit and wireless optical transmission unit composition, described 1394 equipment are passed with wireless optical by 1394 interface circuits
Defeated unit is connected, and the wireless optical transmission unit of described telecommunication end passes with the wireless optical of telex network end
Defeated unit transmits information by atmospheric medium, and described wireless optical transmission unit includes ATP subsystem, institute
Stating the connection of ATP subsystem and have optical antenna, described optical antenna connects passing through a collimating system, described
Passing through a collimating system connects photodetector, and described photodetector connects amplification demodulator circuit,
Described amplification demodulator circuit connects decoder, and described decoder is connected by 1394 interface circuits volume
Code device, described encoder connects driving demodulator circuit, and described driving demodulator circuit connects laser instrument,
Described laser instrument passes sequentially through passing through a collimating system again and signal is sent by optical antenna.
A kind of wireless communication systems based on 1394 smooth buses the most according to claim 1, it is special
Levy and be: described 1394 interface circuits by wire and cable connector, physical chip, link layer chip and
DSP module forms, and described wire and cable connector and 1394 equipment are connected, described wire and cable connector and physics
Layer chip is connected, and described physical chip is connected with link layer chip, described link layer chip and DSP
Module is connected, and described DSP module is connected with wireless optical transmission unit.
A kind of wireless communication systems based on 1394 smooth buses the most according to claim 1, it is special
Levy and be: the wire and cable connector in described 1394 interface circuits connects at least one 1394 equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117817.1U CN205545276U (en) | 2016-02-04 | 2016-02-04 | Wireless communication system based on 1394 light bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117817.1U CN205545276U (en) | 2016-02-04 | 2016-02-04 | Wireless communication system based on 1394 light bus |
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| CN205545276U true CN205545276U (en) | 2016-08-31 |
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| CN201620117817.1U Active CN205545276U (en) | 2016-02-04 | 2016-02-04 | Wireless communication system based on 1394 light bus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514716A (en) * | 2021-04-20 | 2021-10-19 | 北京航空航天大学 | Digital bus electromagnetic environment effect simulation device and method |
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2016
- 2016-02-04 CN CN201620117817.1U patent/CN205545276U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514716A (en) * | 2021-04-20 | 2021-10-19 | 北京航空航天大学 | Digital bus electromagnetic environment effect simulation device and method |
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