CN103402274B - A kind of WiFi relay communication system being applicable to mars exploration - Google Patents
A kind of WiFi relay communication system being applicable to mars exploration Download PDFInfo
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- CN103402274B CN103402274B CN201310274695.8A CN201310274695A CN103402274B CN 103402274 B CN103402274 B CN 103402274B CN 201310274695 A CN201310274695 A CN 201310274695A CN 103402274 B CN103402274 B CN 103402274B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a kind of WiFi relay communication system being applicable to mars exploration, comprise orbiter WiFi communication unit, lander WiFi communication unit, propeller WiFi communication unit, two-way communication between orbiter WiFi communication unit and lander WiFi communication unit, two-way communication between orbiter WiFi communication unit and propeller WiFi communication unit.The present invention adopts microminiature, Module part, meets deep space probe to the miniaturization of equipment, low-power consumption, low weight requirement, has that integrated level is high, good reliability, versatility and an autgmentability high-technology feature.The present invention can be applied in the detector of the follow-up development of mars exploration, also can be applied to other deep space exploration aircrafts with similar requirement.
Description
Technical field
The present invention relates to WiFi trunking traffic technology between a kind of device combining Mars probes design for three devices, this technology can be applied in the detector of the follow-up development of mars exploration, also can be applied to other deep space exploration aircrafts with similar requirement.
Background technology
Mars exploration mission profile enriches, comprise around detection, detection of landing, make an inspection tour the polytypes such as detection, detection range is far away, and builder ground communication link resources cost is large, usually be responsible for builder ground communication link by orbiter, set up trunking traffic link with other form detector simultaneously.WiFi technology is a kind of short-range wireless communication technologies, and transmission rate is high, and under weak signal and disturbed condition, bandwidth adjustable, can ensure reliable and stable transmission.The following mars exploration task of China, by launching by orbiter, propeller and lander three detector of combining of device, for this reason, carries out trunking traffic technical research between the device based on WiFi.
Summary of the invention
The present invention proposes WiFi relay communication system between a kind of device being applicable to the following three device combination mars explorations of China, and this system is integrated, the integrated base band of a kind of employing and radio frequency unit, and the system of miniature light communication antenna, is operated in S frequency range, about 2.4GHz.This communication system comprises orbiter WiFi communication unit, lander WiFi communication unit and propeller WiFi communication unit.
According to an aspect of the present invention, a kind of WiFi relay communication system being applicable to mars exploration is provided, comprise orbiter WiFi communication unit, lander WiFi communication unit, propeller WiFi communication unit, two-way communication between orbiter WiFi communication unit and lander WiFi communication unit, two-way communication between orbiter WiFi communication unit and propeller WiFi communication unit, wherein:
Orbiter WiFi communication unit comprises orbiter communication multiplexer, orbiter power amplifier, to propeller transmitting-receiving microstrip antenna with to lander transmitting-receiving microstrip antenna, there is the wireless network card of WiFi function, wherein, the wireless network card with WiFi function exports radio-frequency information to orbiter communication multiplexer, orbiter communication multiplexer is by sending information to propeller transmitting-receiving microstrip antenna to propeller WiFi communication unit, orbiter communication multiplexer sends information by orbiter power amplifier with to lander transmitting-receiving microstrip antenna to lander WiFi communication unit, information from propeller WiFi communication unit is received to propeller transmitting-receiving microstrip antenna, the wireless network card with WiFi function is transferred to through orbiter communication multiplexer, information from lander WiFi communication unit is received to lander transmitting-receiving microstrip antenna, the wireless network card with WiFi function is transferred to through orbiter communication multiplexer,
Lander WiFi communication unit comprises lander Linksys wireless router, lander communication multiplexer, lander power amplifier, back of the body cover transmitting-receiving microstrip antenna and landing module transmitting-receiving microstrip antenna, wherein, lander Linksys wireless router is for exporting radio-frequency information to lander communication multiplexer and lander power amplifier, lander communication multiplexer and lander power amplifier send information by back of the body cover transmitting-receiving microstrip antenna to orbiter WiFi communication unit in the process of entering, lander communication multiplexer and lander power amplifier send information at surperficial working stage to orbiter WiFi communication unit, back of the body cover transmitting-receiving microstrip antenna and landing module transmitting-receiving microstrip antenna, all for receiving the information that orbiter WiFi communication unit sends, are transferred to lander Linksys wireless router through lander communication multiplexer,
Propeller WiFi communication unit comprises propeller Linksys wireless router, propeller communication multiplexer, + Y face transmitting-receiving microstrip antenna and-Y face transmitting-receiving microstrip antenna, wherein, propeller Linksys wireless router is for exporting radio-frequency information to propeller communication multiplexer, propeller communication multiplexer passes through+Y face transmitting-receiving microstrip antenna simultaneously and-Y face transmitting-receiving microstrip antenna sends information to orbiter WiFi communication unit, + Y face transmitting-receiving microstrip antenna and-Y face transmitting-receiving microstrip antenna receive the information that orbiter WiFi communication unit sends, propeller Linksys wireless router is transferred to through propeller communication multiplexer.
Preferably, the WiFi trunking traffic link between orbiter WiFi communication unit and propeller WiFi communication unit, adopts minimum bit rate 1Mbps.
Preferably, the WiFi trunking traffic link between orbiter WiFi communication unit and lander WiFi communication unit, adopts minimum bit rate 2kbps.
Preferably ,+Y face transmitting-receiving microstrip antenna and-Y face transmitting-receiving microstrip antenna beamwidth be ± 85 °.
Preferably, the integrated design of cover thermal protection shield carried on the back by back of the body cover transmitting-receiving microstrip antenna and lander.
Preferably, landing module transmitting-receiving microstrip antenna and lander are to the integrated design of terrace top board.
Preferably, lander power amplifier is 5W power amplifier.
Preferably, orbiter power amplifier is 5W power amplifier.
More specifically, orbiter WiFi communication cell location has the communication terminal of WiFi function, is connected with orbiter integrated electronics computer, realizes the trunking traffic with propeller and lander by wireless network card.Be 1km with propeller maximum trunking traffic distance, minimum communications codes speed 1Mbps.Adopt 5W High-power amplifier with lander relaying, improve transmission range, maximum communication distance 2000km, minimum communications codes speed 2kbps.Communication antenna configures two width micro-strip paster antennas, and to lander duplexer, in antenna beamwidth ± 60 °, gain is better than-2dBi, and to propelling module duplexer, in antenna beamwidth ± 85 °, gain is better than-5dBi.
Lander WiFi communication cell location Linksys wireless router, is connected with lander integrated electronics computer by RJ45 interface.Configure two light-duty microstrip antennas, respectively adopt with lander carry on the back cover integrated design and with landing module to terrace top board Integral design mode, in antenna beamwidth ± 60 °, gain is better than-2dBi, process and martian surface working stage is entered at lander, real-time access orbiter WiFi communication terminal, realizes two-way communication.
Propeller WiFi communication cell location Linksys wireless router, is connected with propeller integrated electronics computer by RJ45 interface.Configure two width helical antennas, in antenna beamwidth ± 85 °, gain is better than-5dBi, realizes two-way communication at propeller and orbiter separation process.
The present invention adopts above method, build relay communications system between a device based on WiFi, meet propeller and orbiter separation process near distance bidirectional high-rate information transmission completely, lander enters process and martian surface working stage and orbiter bidirectional transfer of information.Meanwhile, this system adopts integrated, integrated design, adopts light-duty microstrip antenna, meets deep space probe to the miniaturization of product, lightweight, low-power consumption requirement.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is relay communications system operation principle between the device based on WiFi.
Fig. 2 is orbiter WiFi communication Unit Design.
Fig. 3 is lander WiFi communication Unit Design.
Fig. 4 is propeller WiFi communication Unit Design.
In figure:
1 is orbiter;
2 is lander landing module;
3 is propelling module;
101 is to propeller transmitting-receiving microstrip antenna;
102 is to lander transmitting-receiving microstrip antenna;
201 is back of the body cover transmitting-receiving microstrip antenna;
202 is landing module transmitting-receiving microstrip antenna;
301 is+Y face transmitting-receiving microstrip antenna;
302 is-Y face transmitting-receiving microstrip antenna.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
As shown in Figure 1, this system realizes orbiter and propeller, wireless both-way trunk communication function between orbiter and lander.Orbiter and propeller maximum communication distance 1km, bidirectional transfer of information adopts high code check to design, minimum communications codes speed 1Mbps, and can with distance change, dynamic conditioning bi-directional code speed.Maximum communication distance 2000km between orbiter and lander, minimum communications codes speed 2kbps, can with distance change, dynamic conditioning bi-directional code speed.
As shown in Figure 2, orbiter WiFi communication unit is by having the wireless network card of WiFi function, the multiplexer that communicates, power amplifier, forming to propeller transmitting-receiving microstrip antenna with to lander transmitting-receiving microstrip antenna.Orbiter integrated electronics Practical computer teaching will be sent to lander and angle of rake information, through having the wireless network card of WiFi function, exporting radio-frequency information to multiplexer, by sending to propeller propeller dual-mode antenna, sending to lander by power amplifier with to lander dual-mode antenna.To propeller with to lander dual-mode antenna, receive the information from propeller and lander respectively, through multiplexer and wireless network card, input base-band information is to orbiter integrated electronics computer.
As shown in Figure 3, lander WiFi communication unit is received and dispatched microstrip antenna and landing module transmitting-receiving microstrip antenna etc. formed by Linksys wireless router, multiplexer, power amplifier, back of the body cover.Linksys wireless router is connected with lander integrated electronics computer by RJ45 interface.Back of the body cover transmitting-receiving microstrip antenna and the integrated design of back of the body cover, landing module transmitting-receiving microstrip antenna and landing module are to terrace integrated design.Lander integrated electronics Practical computer teaching band transmission information, radio-frequency information is generated by Linksys wireless router, through multiplexer and power amplifier, back of the body cover transmitting-receiving microstrip antenna and landing module transmitting-receiving microstrip antenna is utilized to send to orbiter respectively in the process of entering and surperficial working stage.Back of the body cover transmitting-receiving microstrip antenna and landing module transmitting-receiving microstrip antenna receive the information that orbiter sends, and through multiplexer and Linksys wireless router, export base-band information to lander integrated electronics computer.
As shown in Figure 4, propeller WiFi communication unit is received and dispatched microstrip antenna and-Y face transmitting-receiving microstrip antenna etc. formed by Linksys wireless router, multiplexer ,+Y face.Linksys wireless router is connected with propeller integrated electronics computer by RJ45 interface.Propeller integrated electronics Practical computer teaching band transmission information, generates radio-frequency information by Linksys wireless router, through multiplexer, is sent by+Y face and-Y face transmitting-receiving microstrip antenna to orbiter simultaneously.+ Y face and-Y face transmitting-receiving microstrip antenna receive the information that orbiter sends, and through multiplexer and Linksys wireless router, export base-band information to propeller integrated electronics computer.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (8)
1. one kind is applicable to the WiFi relay communication system of mars exploration, it is characterized in that, comprise orbiter WiFi communication unit, lander WiFi communication unit, propeller WiFi communication unit, two-way communication between orbiter WiFi communication unit and lander WiFi communication unit, two-way communication between orbiter WiFi communication unit and propeller WiFi communication unit, wherein:
Orbiter WiFi communication unit comprises orbiter communication multiplexer, orbiter power amplifier, to propeller transmitting-receiving microstrip antenna with to lander transmitting-receiving microstrip antenna, there is the wireless network card of WiFi function, wherein, the wireless network card with WiFi function exports radio-frequency information to orbiter communication multiplexer, orbiter communication multiplexer is by sending information to propeller transmitting-receiving microstrip antenna to propeller WiFi communication unit, orbiter communication multiplexer sends information by orbiter power amplifier with to lander transmitting-receiving microstrip antenna to lander WiFi communication unit, information from propeller WiFi communication unit is received to propeller transmitting-receiving microstrip antenna, the wireless network card with WiFi function is transferred to through orbiter communication multiplexer, information from lander WiFi communication unit is received to lander transmitting-receiving microstrip antenna, the wireless network card with WiFi function is transferred to through orbiter communication multiplexer,
Lander WiFi communication unit comprises lander Linksys wireless router, lander communication multiplexer, lander power amplifier, back of the body cover transmitting-receiving microstrip antenna and landing module transmitting-receiving microstrip antenna, wherein, lander Linksys wireless router is for exporting radio-frequency information to lander communication multiplexer and lander power amplifier, lander communication multiplexer and lander power amplifier send information by back of the body cover transmitting-receiving microstrip antenna to orbiter WiFi communication unit in the process of entering, lander communication multiplexer and lander power amplifier send information at surperficial working stage to orbiter WiFi communication unit, back of the body cover transmitting-receiving microstrip antenna and landing module transmitting-receiving microstrip antenna, all for receiving the information that orbiter WiFi communication unit sends, are transferred to lander Linksys wireless router through lander communication multiplexer,
Propeller WiFi communication unit comprises propeller Linksys wireless router, propeller communication multiplexer, + Y face transmitting-receiving microstrip antenna and-Y face transmitting-receiving microstrip antenna, wherein, propeller Linksys wireless router is for exporting radio-frequency information to propeller communication multiplexer, propeller communication multiplexer passes through+Y face transmitting-receiving microstrip antenna simultaneously and-Y face transmitting-receiving microstrip antenna sends information to orbiter WiFi communication unit, + Y face transmitting-receiving microstrip antenna and-Y face transmitting-receiving microstrip antenna receive the information that orbiter WiFi communication unit sends, propeller Linksys wireless router is transferred to through propeller communication multiplexer.
2. the WiFi relay communication system being applicable to mars exploration according to claim 1, is characterized in that, the WiFi trunking traffic link between orbiter WiFi communication unit and propeller WiFi communication unit, adopts minimum bit rate 1Mbps.
3. the WiFi relay communication system being applicable to mars exploration according to claim 1, is characterized in that, the WiFi trunking traffic link between orbiter WiFi communication unit and lander WiFi communication unit, adopts minimum bit rate 2kbps.
4. the WiFi relay communication system being applicable to mars exploration according to claim 1, is characterized in that ,+Y face transmitting-receiving microstrip antenna and-Y face transmitting-receiving microstrip antenna beamwidth be ± 85 °.
5. the WiFi relay communication system being applicable to mars exploration according to claim 1, is characterized in that, the integrated design of cover thermal protection shield carried on the back by back of the body cover transmitting-receiving microstrip antenna and lander.
6. the WiFi relay communication system being applicable to mars exploration according to claim 1, is characterized in that, landing module transmitting-receiving microstrip antenna and lander are to the integrated design of terrace top board.
7. the WiFi relay communication system being applicable to mars exploration according to claim 1, is characterized in that, lander power amplifier is 5W power amplifier.
8. the WiFi relay communication system being applicable to mars exploration according to claim 1, is characterized in that, orbiter power amplifier is 5W power amplifier.
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| CN201310274695.8A CN103402274B (en) | 2013-07-02 | 2013-07-02 | A kind of WiFi relay communication system being applicable to mars exploration |
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| CN201310274695.8A CN103402274B (en) | 2013-07-02 | 2013-07-02 | A kind of WiFi relay communication system being applicable to mars exploration |
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| CN103402274B true CN103402274B (en) | 2016-03-16 |
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| CN102723982A (en) * | 2012-06-26 | 2012-10-10 | 上海卫星工程研究所 | Full-coverage multi-channel multi-frequency band measuring and control system of deep space electric propulsion asteroid spacecraft |
| CN102975869A (en) * | 2012-12-13 | 2013-03-20 | 上海宇航系统工程研究所 | Detector propelling module and working method thereof |
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| WO2007033448A1 (en) * | 2005-09-19 | 2007-03-29 | Imai Takeshi | Production of localized artificial rains in polar stratospheric clouds, to promote a rain wash in the cio gas, reduce the destruction of the ozone layer and a replacement process in situ of the stratospheric ozone |
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| CN102723982A (en) * | 2012-06-26 | 2012-10-10 | 上海卫星工程研究所 | Full-coverage multi-channel multi-frequency band measuring and control system of deep space electric propulsion asteroid spacecraft |
| CN102975869A (en) * | 2012-12-13 | 2013-03-20 | 上海宇航系统工程研究所 | Detector propelling module and working method thereof |
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| 基于萤火一号技术的自主发射火星探测器方案设想;陈昌亚;《中国宇航学会深空探测技术专业委员会第八届学术年会论文集》;20111025;全文 * |
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