CN204376892U - Transceiver, airborne data terminal, tracking telemetry and command station data terminal and Data-Link - Google Patents
Transceiver, airborne data terminal, tracking telemetry and command station data terminal and Data-Link Download PDFInfo
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- CN204376892U CN204376892U CN201420864684.5U CN201420864684U CN204376892U CN 204376892 U CN204376892 U CN 204376892U CN 201420864684 U CN201420864684 U CN 201420864684U CN 204376892 U CN204376892 U CN 204376892U
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Abstract
The utility model provides transceiver, airborne data terminal, tracking telemetry and command station data terminal and Data-Link.Described transceiver, comprising: the backboard with VPX universal serial bus; Be arranged on the image master control borad on described backboard; Be arranged on the baseband board on described backboard; Be arranged on the middle rf board on described backboard; Be arranged on the power panel on described backboard.The technical scheme that the utility model provides have employed VPX serial bus architecture and replaces traditional parallel bus architectures, the high speed interconnect of data between each module and parts can be realized, Data-Link bandwidth sum message transmission rate can be improved, meet high resolution load data transfer demands.
Description
Technical field
The utility model belongs to telemetry communication field, and particularly relating to a kind of aircraft etc. of being applied to needs highly reliable remote control, the transceiver of remote measurement and high speed mission payload field of data transmission, airborne data terminal, tracking telemetry and command station data terminal and Data-Link.
Background technology
Data-Link is the equipment realizing data transmit-receive and track and localization between ground control station and aircraft.Up link and down link is divided into according to the difference of transmission direction.Ground control station is to the ul transmissions remote control command of aircraft or data, and aircraft is to the downlink transmission telemetry of tracking telemetry and command station and mission payload information.The concrete equipment of Data-Link is made up of two parts: part dress claims airborne data terminal aboard; Another part is contained on tracking telemetry and command station and claims tracking telemetry and command station data terminal, is arranged on the platforms such as ground, vehicle, naval vessel.Wherein, the structure of described airborne data terminal and tracking telemetry and command station data terminal is basically identical, is made up of transceiver, microwave front-end and antenna.
Full-fledged along with the application technology such as aircraft technology and high separate loading, ocean, forestry, firmly build, resource, mapping, the every profession and trade such as public security show great demand to high-resolution earth observation systems, but Data-Link product common at present adopts traditional parallel bus architectures, the highest of its data rate, to 64Mbps, cannot meet application demand.A kind of settling mode adopts efficient information Compression technology, but it is not enough still to there is Data-Link bandwidth in this scheme, the defect of the shortcoming that message transmission rate is slow, is still difficult to the bandwidth requirement meeting a series of high score load data transmission such as EO-1 hyperion, laser radar, synthetic aperture radar.
Utility model content
The utility model is for the deficiency of Data-Link in prior art, a kind of transceiver, airborne data terminal, tracking telemetry and command station data terminal and Data-Link are provided, not enough to solve Data-Link bandwidth in prior art, the defect that message transmission rate is slow, reaches the object meeting high resolution load data transfer demands.
For this reason, the technical solution that the utility model provides is:
A kind of transceiver, for carrying out Digital Signal Processing to the information that will receive and dispatch, comprising:
There is the backboard of VPX universal serial bus, for realizing the interconnected and system extension of high speed serialization between each board;
Be arranged on the image master control borad on described backboard, for realizing data-interface adaptation and format conversion;
Be arranged on the baseband board on described backboard, for carrying out Base-Band Processing to the data gathered;
Be arranged on the middle rf board on described backboard, for carrying out channel coding/decoding and modulation /demodulation to base band data;
Be arranged on the power panel on described backboard, for powering for described transceiver.
Preferably, in described transceiver:
Described backboard is also provided with expansion slot.
The utility model additionally provides a kind of airborne data terminal, arranging aboard, with the transfer of data of ground control station data terminal, comprising for realizing:
Transceiver as above, microwave front-end and antenna.
The utility model additionally provides a kind of observing and controlling number station according to terminal, is arranged in ground control station, comprising with the transfer of data of airborne tracking telemetry and command station data terminal for realizing:
Transceiver as above, microwave front-end and antenna.
The utility model additionally provides a kind of Data-Link, comprising:
Airborne data terminal as above;
Tracking telemetry and command station data terminal as above;
Described airborne data terminal is wirelessly connected by antenna with described tracking telemetry and command station data terminal.
The utility model compared with prior art tool has the following advantages:
In the transceiver that the utility model provides, airborne data terminal, tracking telemetry and command station data terminal and Data-Link, VPX serial bus architecture is adopted to replace traditional parallel bus architectures, the high speed interconnect of data between each module and parts can be realized, Data-Link bandwidth sum message transmission rate can be improved, meet high resolution load data transfer demands.
Accompanying drawing explanation
The transceiver architecture schematic diagram that Fig. 1 provides for the utility model embodiment one;
The airborne data terminal structural representation that Fig. 2 provides for the utility model embodiment two;
The Data-Link operation principle schematic diagram that Fig. 3 provides for the utility model embodiment three.
Embodiment
Not enough for Data-Link bandwidth in prior art, the defect that message transmission rate is slow, the object meeting high resolution load data transfer demands cannot be reached, the utility model embodiment provides a kind of transceiver, airborne data terminal, tracking telemetry and command station data terminal and Data-Link, to improve Data-Link bandwidth sum message transmission rate, meet high resolution load data transfer demands.
Embodiment one:
Present embodiments providing a kind of transceiver, for making technological merit of the present utility model more clear, further illustrating below in conjunction with the transceiver architecture shown in accompanying drawing 1:
Described transceiver, in the airborne data terminal being used in Data-Link and tracking telemetry and command station data terminal, for carrying out Digital Signal Processing to the information that will receive and dispatch, comprising:
There is the backboard 101 of VPX universal serial bus, for realizing the interconnected and system extension of high speed serialization between each board.
VPX universal serial bus is the high-speed serial bus standard of new generation proposed on VME bus foundation.VPX universal serial bus adopts the high-speed serial bus technical substitution parallel bus technology of VME bus.VPX universal serial bus introduces current up-to-date serial bus technology, such as: RapidIO, PCI-Express and ten thousand mbit ethernets etc., supports higher Gbps.VPX core exchanges can provide 32 pairs of differential pairs, and often pair of differential pair can provide the data exchange capability of 10Gbps in theory, the highest data exchange capability that can provide 8GByte/s in a VPX Modularity Theory.
Be arranged on the image master control borad 102 on described backboard, for realizing data-interface adaptation and format conversion.
Baseband board carries out the Base-Band Processing such as compression framing to the data gathered, and the operations such as middle rf board carries out channel coding/decoding to base band data, modulation /demodulation, the low-voltage dc power supplies such as external power source is converted to 5V by power panel, 3.3V are that Data-Link is powered
Be arranged on the baseband board 103 on described backboard, for carrying out Base-Band Processing to the data gathered.As carried out compression framing etc. to the data gathered.
Be arranged on the middle rf board 104 on described backboard, for carrying out channel coding/decoding and modulation /demodulation to base band data.
Be arranged on the power panel 105 on described backboard, for powering for described transceiver.External power source is converted to the low-voltage dc power supplies such as 5V, 3.3V by power panel.
Described transceiver can realize the Function Extension of system by inserting other Function Extension boards simultaneously.Therefore, the backboard described in the present embodiment can also be provided with expansion slot.
The modules size of transceiver described in the present embodiment can observe Europe card array of sizes standard, by distributed Redundancy Design, support hot plug, by the external load interface that expansion interface adaption function is compatible different, the inner interface between software and hardware of specification and data mode.
The transceiver that the present embodiment provides adopts VPX serial bus architecture to replace traditional parallel bus architectures, the high speed interconnect of data between each module can be realized, in the airborne data terminal that can be used in Data-Link and tracking telemetry and command station data terminal, Data-Link bandwidth sum message transmission rate can be improved, meet high resolution load data transfer demands.Through experimental verification, message transmission rate can reach 300Mbps, bandwidth 400MHz.
Embodiment two:
On the basis of above-described embodiment one, present embodiments provide a kind of airborne data terminal and a kind of observing and controlling number station according to terminal, as described in Figure 2, for a kind of schematic diagram of airborne data terminal, it is arranged aboard, for realizing the transfer of data with ground control station data terminal, comprise reception, resolve remote control command or data that ground control station data terminal uploads, tracking telemetry and command station data terminal returns telemetry intelligence (TELINT) and mission payload data in real time earthward simultaneously.
This airborne data terminal comprises the transceiver of a kind of description of embodiment, microwave front-end and antenna.Wherein, transceiver carries out Digital Signal Processing to the information that will receive and dispatch, and microwave front-end realizes duplex, power amplifier, LNA function, and antenna then realizes the launching and receiving of wireless signal.
Corresponding the present embodiment additionally provides a kind of observing and controlling number station according to terminal, be arranged in ground control station, for realizing the transfer of data with airborne tracking telemetry and command station data terminal, concrete comprises the telemetry intelligence (TELINT) and mission payload data that receive aircraft passback, and export Combat Command System display to, the remote control command uplink simultaneously sent by Combat Command System, to airborne data terminal, realizes the real-time monitoring to aircraft platform, mission payload.
The airborne data terminal that the present embodiment provides and observing and controlling number station are according in terminal, transceiver adopts VPX serial bus architecture to replace traditional parallel bus architectures, the high speed interconnect of data between airborne data terminal and tracking telemetry and command station data terminal can be realized, effective raising Data-Link bandwidth sum message transmission rate, meets high resolution load data transfer demands.
Embodiment three:
The airborne data terminal provided corresponding to above-mentioned applicable embodiment two and observing and controlling number station, according to terminal, present embodiments provide a kind of Data-Link, comprising:
Airborne data terminal as described in embodiment two;
Tracking telemetry and command station data terminal as described in embodiment two;
Described airborne data terminal is wirelessly connected by antenna with described tracking telemetry and command station data terminal.
Fig. 3 is the utility model typical Data-Link operation principle schematic diagram.Data-Link operationally includes downlink transfer link and the instruction uplink link bidirectional transmission link composition of mission payload data and aircraft telemetry, and downlink transfer chain route aircraft is to ground, and uplink link is from ground to aircraft.Comprise C-band and U wave band two wireless links, wherein C-band link is primary link, up-downgoing remote control, remote measurement and mission payload data, and U link is the backup link of remote control, telemetry data transmission, guarantees the reliability of link.
In the downlink, the image master control borad of airborne data terminal receives telemetered signal, forms base band remote measurement code stream after process; Receive mission payload and form image code stream, in baseband board, mission payload data are compressed and remote measurement code stream and image code stream combination envelope frame, transfer to intermediate frequency LTE Baseband Processing Unit, carry out after chnnel coding modulating, intermediate frequency filtering, to be launched in direction earthward by airborne antenna after the process such as power amplification.
In addition, the high speed task data of high separate loading collection also directly can transfer to IF processing unit, forms the data flow of anchor-frame form after carrying out chnnel coding, carries out integrated treatment with remote measurement image composite bit stream.Ground installation receives electromagnetic wave signal, after ground-plane antenna, duplexer, passage down-conversion, obtain intermediate-freuqncy signal, intermediate-freuqncy signal enters IF processing unit, after synchronous, demodulation, obtain base-band data stream, then data be separated, decompress(ion), interface adaptation export to Combat Command System.
In the uplink, ground installation receives the director data that Combat Command System transmits, enter image main control unit, deliver to export after IF processing unit carries out chnnel coding, spread spectrum, modulation, filtering after agreement envelope frame and launched to aircraft direction by ground-plane antenna after the process such as up-conversion, power amplification.Airborne equipment receives ground and sends command signal, and after airborne antenna, duplexer, LNA, command reception passage, instruction despreading demodulation processing, output order data are to flight control computer and multitask control device.
Along with the raising of transmission rate and the increase of bandwidth, the problems such as even more serious multipath fading, noise jamming can be produced in data transmission procedure, cause the error rate to rise.The utility model can comprehensively adopt rational channel coding technology, adaptive equalization technique, and the technology such as multi-core parallel concurrent data processing, fast carrier capture, realize 300Mbps transfer of data.As information symbol rate 300Mbps, radio frequency bandwidth will reach 350-450MHz, and radio-frequency devices can exist certain amplitude and phase distortion,
The utility model can also be processed by the radio frequency distortion of single carrier frequency domain equalization mode and diffuse reflection path, in less overhead situation, obtain good multipath equalization effect.High-speed parallel Clock Synchronization Technology can be broken through, data throughput capabilities problem in high-speed transfer can be solved, the robustness of enhancing equipment, adopt the carrier wave fast capture technology of feature based sequence to obtain larger capturing frequency deviation scope and shorter carrier acquisition time simultaneously, for 300Mbps transfer of data provides stability, guaranteed reliability, met the requirement of real-time of system by multi-core parallel concurrent data processing.
In the Data-Link that the present embodiment provides, its airborne data terminal and observing and controlling number station adopt VPX serial bus architecture to replace traditional parallel bus architectures according to the transceiver in terminal, the high speed interconnect of data between each module can be realized, can effectively improve Data-Link bandwidth sum message transmission rate in transfer of data between the airborne data terminal of Data-Link and tracking telemetry and command station data terminal, meet high resolution load data transfer demands.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a transceiver, for carrying out Digital Signal Processing to the information that will receive and dispatch, is characterized in that, comprising:
There is the backboard of VPX universal serial bus, for realizing the interconnected and system extension of high speed serialization between each board;
Be arranged on the image master control borad on described backboard, for realizing data-interface adaptation and format conversion;
Be arranged on the baseband board on described backboard, for carrying out Base-Band Processing to the data gathered;
Be arranged on the middle rf board on described backboard, for carrying out channel coding/decoding and modulation /demodulation to base band data;
Be arranged on the power panel on described backboard, for powering for described transceiver.
2. the transceiver according to claim, is characterized in that:
Described backboard is also provided with expansion slot.
3. an airborne data terminal, arranges aboard, with the transfer of data of ground control station data terminal for realizing, it is characterized in that, comprising:
Transceiver as claimed in claim 1 or 2, microwave front-end and antenna.
4. observing and controlling number station is according to a terminal, is arranged in ground control station, with the transfer of data of airborne tracking telemetry and command station data terminal for realizing, it is characterized in that, comprising:
Transceiver as claimed in claim 1 or 2, microwave front-end and antenna.
5. a Data-Link, is characterized in that, comprising:
Airborne data terminal as claimed in claim 3;
As power will require the tracking telemetry and command station data terminal as described in 4;
Described airborne data terminal is wirelessly connected by antenna with described tracking telemetry and command station data terminal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420864684.5U CN204376892U (en) | 2014-12-29 | 2014-12-29 | Transceiver, airborne data terminal, tracking telemetry and command station data terminal and Data-Link |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420864684.5U CN204376892U (en) | 2014-12-29 | 2014-12-29 | Transceiver, airborne data terminal, tracking telemetry and command station data terminal and Data-Link |
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| CN204376892U true CN204376892U (en) | 2015-06-03 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105894773A (en) * | 2016-04-20 | 2016-08-24 | 上海微小卫星工程中心 | Method and system for satellite telemetry speed increasing and load data fusion |
| CN107484264A (en) * | 2017-09-18 | 2017-12-15 | 武汉虹信通信技术有限责任公司 | A kind of portable multi-frequency radio communication base station |
| CN108664433A (en) * | 2018-05-11 | 2018-10-16 | 成都坤恒顺维科技股份有限公司 | A kind of low time delay shake high speed signal switching technology and the backboard using the Technology design |
| CN112087735A (en) * | 2020-09-22 | 2020-12-15 | 陕西千山航空电子有限责任公司 | Wireless real-time transmission system based on microwaves and aircraft |
| CN113438012A (en) * | 2021-06-25 | 2021-09-24 | 中国电子科技集团公司第五十四研究所 | Multi-channel satellite communication device based on VPX framework |
| CN115296757A (en) * | 2022-10-09 | 2022-11-04 | 天津讯联科技有限公司 | Anti-occlusion system and method for joint judgment of received signal strength and signal-to-noise ratio |
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2014
- 2014-12-29 CN CN201420864684.5U patent/CN204376892U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105894773A (en) * | 2016-04-20 | 2016-08-24 | 上海微小卫星工程中心 | Method and system for satellite telemetry speed increasing and load data fusion |
| CN107484264A (en) * | 2017-09-18 | 2017-12-15 | 武汉虹信通信技术有限责任公司 | A kind of portable multi-frequency radio communication base station |
| CN107484264B (en) * | 2017-09-18 | 2021-09-24 | 武汉虹信科技发展有限责任公司 | Portable multifrequency radio communication basic station |
| CN108664433A (en) * | 2018-05-11 | 2018-10-16 | 成都坤恒顺维科技股份有限公司 | A kind of low time delay shake high speed signal switching technology and the backboard using the Technology design |
| CN112087735A (en) * | 2020-09-22 | 2020-12-15 | 陕西千山航空电子有限责任公司 | Wireless real-time transmission system based on microwaves and aircraft |
| CN113438012A (en) * | 2021-06-25 | 2021-09-24 | 中国电子科技集团公司第五十四研究所 | Multi-channel satellite communication device based on VPX framework |
| CN115296757A (en) * | 2022-10-09 | 2022-11-04 | 天津讯联科技有限公司 | Anti-occlusion system and method for joint judgment of received signal strength and signal-to-noise ratio |
| CN115296757B (en) * | 2022-10-09 | 2022-12-20 | 天津讯联科技有限公司 | Anti-occlusion system and method for joint judgment of received signal strength and signal-to-noise ratio |
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