CN204967818U - On -board basic station communication system - Google Patents
On -board basic station communication system Download PDFInfo
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- CN204967818U CN204967818U CN201520710253.8U CN201520710253U CN204967818U CN 204967818 U CN204967818 U CN 204967818U CN 201520710253 U CN201520710253 U CN 201520710253U CN 204967818 U CN204967818 U CN 204967818U
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Abstract
The utility model provides an on -board basic station communication system, lead to satellite antenna in moving, radio frequency system, modem, signal converter, the mobile base station, satellite earth station, the modem of ground satellite station, the ground signal converter, the mobile base station, the installation aboard ship, and be connected with optimization equipment, signal converter, the installation aboard ship, link to each other with the mobile base station, modem equipment, the installation aboard ship, link to each other with signal converter, radio frequency system, the installation aboard ship, the well satellite antenna of expert is continuous with moving, lead to satellite antenna in moving, the installation aboard ship, communicate with outside synchronous satellite, satellite earth station, communicate with outside synchronous satellite, and link to each other with the modem of ground satellite station, ground modem, link to each other with the ground signal treater, the ground signal treater, link to each other with the BSC system. The utility model discloses when realizing the transmission of broadband satellite video service, still realized the normal receiving and dispatching of SMS message at the originating node in -process, provide technical guarantee for the maritime communication.
Description
Technical field
The utility model relates to overocean communications field, particularly a kind of boat-carrying base station communication system.
Background technology
Traditional marine vessel communication is mainly by means such as shortwave, marine satellite, Big Dipper note messages, wherein short wave communication is considered to effective and the telecommunication means of economy, but shortwave has the restriction of bandwidth and the impact of shortwave time-varying fading channels, even easily be interfered and can not use, be difficult to ensure necessary transmission reliability; Maritime satellite communications bandwidth also narrower, operating cost is higher, cost of the phone call is expensive, the better costliness of transmission of video because be global same net, country needed for must all keying in during use number, area code and telephone number, many people can not be realized and converse simultaneously; Big Dipper short-term message cannot realize voice communication, and is easily subject to terminal impacts, sometimes cannot receive and dispatch note message.
Utilize synchronous satellite communication can overcome the deficiency of traditional communication, satellite communication refers to and utilizes geostationary communication satellite to forward or reflect radio signals as relay station, communicates between two or more ground station.Satellite communication has communication range large (all can communicate in the scope of the wave cover of satellite launch), communication band roomy (can transmitting video image), is easy to multi-point, does not rely on the features such as ground network, is very suitable for the afloat communication in naval vessel.But when by the communication of geostationary communication satellite, the antenna necessary moment is to satelloid, therefore for this carrier in the naval vessel be at sea kept in motion all the time, carrier-borne satellite communication antena must have the performance of good real-time tracking satellite, meet the transmission requirement of cellular base station bandwidth simultaneously, the mobile phone signal realized at 2 ~ 3 nautical miles covers, for overocean communications provides technical guarantee.
Summary of the invention
The technical problem that the utility model solves is: overcome the deficiencies in the prior art, provides a kind of maneuverability, responds the boat-carrying base station communication system rapid, sphere of action is large.
Technical solution of the present utility model is: a kind of boat-carrying base station communication system, comprise SOTM satellite antenna, radio system, modulator-demodulator, signal converter, mobile base station, ground satellite station, ground station's modulator-demodulator, ground signal transducer, wherein
Mobile base station, installs aboard ship, and is connected with optimized device;
Signal converter, installs aboard ship, is connected with mobile base station;
Modulation /demodulation equipment, installs aboard ship, is connected with signal converter;
Radio system, installs aboard ship, is connected with SOTM satellite antenna, modulation /demodulation equipment;
SOTM satellite antenna, installs aboard ship, with external sync satellite communication;
Ground satellite station, with external sync satellite communication, and is connected with ground station modulator-demodulator;
Surface modem, is connected with ground signal processing device;
Ground signal processing device, is connected with carrier network.
Described mobile base station comprises nonequilibrium E1 interface and E1 protocol converter.
The utility model advantage is compared with prior art:
(1) the utility model overcomes the deficiency of traditional boat-carrying means of communication, by utilizing boat-carrying antenna Design for Satellite Communication in Motion system, while realizing the transmission of broadband satellite video traffic, also achieve the mobile base station access of IP system, not only support that many people converse simultaneously, and ensure that the normal transmitting-receiving of note message in voice call process;
(2) the utility model compared with prior art, and because sea is little to electromagnetic absorptance ground, transmission range of the present utility model is more farther than land, can realize quorum sensing inhibitor in a big way, for overocean communications provides technical guarantee;
(3) in the utility model, the load-carrying of ship is far longer than airborne and vehicle-mounted loading capacity, can configure the base station of more multi-carrier frequency, accessible more user;
(4) the utility model is compared with the existing communication technology based on marine satellite, only need pay local telephone charges use, use more convenient.
Accompanying drawing explanation
Fig. 1 is a kind of boat-carrying base station communication system of the utility model structural representation;
Fig. 2 is the utility model signal flow schematic diagram.
Embodiment
For the deficiencies in the prior art, the utility model proposes a kind of boat-carrying base station communication system, below in conjunction with accompanying drawing, the utility model system is described in detail, utility model system comprises SOTM satellite antenna, radio system, modulator-demodulator, optimized device, mobile base station, ground satellite station, ground station's modulator-demodulator as shown in Figure 1, ground optimized device, BSC system.
SOTM satellite antenna is the far-end transmission unit of whole boat-carrying base station system, SOTM satellite antenna comprises satellite communication antena module and satellite servo tracking module, and satellite communication antena module comprises antenna reflective face, feed, waveguide, joint, satellite servo tracking module, inertial navigation system.Satellite servo tracking module comprises antenna controling circuit, antenna servo mechanism, and what realize antenna initially keeps antenna alignment satellite (Satellite Tracking) to star and when carrier movement.
Radio system comprises upstream cell and downstream units, and upstream cell comprises satellite power amplifier, waveguide, and downstream units comprises LNB.
Modulator-demodulator is satellite baseband signal treatment facility.
Optimized device is signal converter, GSM signal is carried out the optimization compression of voice simultaneously.
Mobile base station is GSM mobile handset access device, is suitable for boat-carrying and installs.
Ground satellite station is the ground transmitting unit of whole boat-carrying base station system, comprises 4.5 meters of satellite antennas, feed, waveguide, antenna servo unit (servo tracking of solid line earth station antenna), satellite power amplifier, LNA etc.
Ground station's modulator-demodulator is satellite baseband signal treatment facility, can process simultaneously, receives the multiple signals that far-end transmits.
Optimized device is signal converter, can process multi-channel E 1 data and IP data simultaneously.
BSC system is operator network system.
The utility model system signal flow chart as shown in Figure 2, interface of mobile base station is nonequilibrium E1 interface, for 2048Mbit/s, by E1 protocol converter, can by nonequilibrium E1 signal, be converted to the E1 signal of balance, pass through optimized device, be IP interface by E1 interface conversion, carry out the compression of speech simultaneously, the IP of the E1 Signal Compression of 2M to 1M can be flowed, radio frequency interface is converted to by modulator-demodulator, on be about to IP stream and carry out being modulated into intermediate frequency L-band signal, under be about to L-band signal receiving and become IP to flow: pass through radio system, up by power amplifier by L-band signal amplify be converted to KU wave band, synchronous satellite is transmitted into by antenna for satellite communication in motion, descending by antenna for satellite communication in motion reception Ku band signal (ground station), by LNB by faint Ku frequency conversion be amplified to L-band, the upward signal that ground station reception communication in moving is launched, by LNB by the frequency conversion of Ku frequency range be amplified to L-band, pass through modulator-demodulator, export IP interface, E1 signal is exported by optimized device, thus access local BSC system.
Radio system is divided into uplink and downlink, on be about to L-band signal amplify be converted to KU wave band, descendingly be by the frequency conversion of KU band signal and be amplified to L-band, upstream cell is also known as ODU, L-band signal (950MHz ~ 1750MHz) amplification exported by modem is converted to KU band signal (14GHz ~ 14.5GHz), downstream units, also known as LNB, is by the frequency conversion of KU band signal and is amplified to L-band.
Analog signal is modulated into baseband signal (IP digital signal) and becomes analog signal with by modulation demodulation by satellite baseband system, for the ease of transmission, needing E1 interface conversion is IP interface, simultaneously in order to the satellite bandwidth that cuts the waste, the 2M signal of base station is optimized compression, E1 interface conversion is become IP interface, corresponding occupied bandwidth is from 2M to 1M, protocol conversion module, converts balanced signal to non-equilibrium signal.Therefore, satellite baseband system comprises
Mobile base station system is generally GSM base station, and be responsible for GSM mobile handset access function, capacity configuration 6 carrier frequency or 12 carrier frequency, can be configured according to actual conditions, and interface is 2M.
The configuration bore of ground satellite station system is 4.5 meters, can receive the signal that multichannel remote terminal is sent.
BSC system, mobile base station access carrier BSC system, thus make boat-carrying base station incorporate the large net of operator.
Power-supply system, electric power system position 220V on ship, and not bery stable, need to increase UPS, and base station system needs-48V to power, and also needs deploy switch power supply.
Wherein, a kind of boat-carrying base station communication system of the utility model Satellite bandwidth is 1 ~ 2M, wherein base station uses 1M (by optimizing compression), signal cover >2 in the sea, supporting business: data service, voice service >40 road, antenna for satellite communication in motion: continuous working period >12 hour, possesses dynamically star function.
The content be not described in detail in the utility model specification belongs to the known technology of those skilled in the art.
Claims (2)
1. a boat-carrying base station communication system, is characterized in that comprising SOTM satellite antenna, radio system, modulator-demodulator, signal converter, mobile base station, ground satellite station, ground station's modulator-demodulator, ground signal transducer, wherein
Mobile base station, installs aboard ship, and is connected with optimized device;
Signal converter, installs aboard ship, is connected with mobile base station;
Modulation /demodulation equipment, installs aboard ship, is connected with signal converter;
Radio system, installs aboard ship, is connected with SOTM satellite antenna, modulation /demodulation equipment;
SOTM satellite antenna, installs aboard ship, with external sync satellite communication;
Ground satellite station, with external sync satellite communication, and is connected with ground station modulator-demodulator;
Surface modem, is connected with ground signal processing device;
Ground signal processing device, is connected with carrier network.
2. a kind of boat-carrying base station communication system according to claim 1, is characterized in that: described mobile base station comprises nonequilibrium E1 interface and E1 protocol converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520710253.8U CN204967818U (en) | 2015-09-14 | 2015-09-14 | On -board basic station communication system |
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| CN201520710253.8U CN204967818U (en) | 2015-09-14 | 2015-09-14 | On -board basic station communication system |
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| CN204967818U true CN204967818U (en) | 2016-01-13 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105721042A (en) * | 2016-03-02 | 2016-06-29 | 天津凯普卫星导航通信技术有限公司 | Satellite communication system applicable to small ships |
| CN106788667A (en) * | 2016-11-11 | 2017-05-31 | 大连海事大学 | Haiti integrated communication system based on stratospheric platform and boat-carrying relay station |
| CN107864009A (en) * | 2017-12-22 | 2018-03-30 | 中国人民解放军战略支援部队信息工程大学 | A kind of communication system and method towards Incorporate information network |
| CN108736957A (en) * | 2018-04-17 | 2018-11-02 | 浙江大学 | A kind of day-Air-Ground sea emergency network communication system |
| CN109186637A (en) * | 2018-09-13 | 2019-01-11 | 中国舰船研究设计中心 | A kind of warship machine time/inertial navigation is wireless Initial Alignment Systems and alignment methods |
| CN110086510A (en) * | 2018-01-26 | 2019-08-02 | 中兴通讯股份有限公司 | A kind of antenna system and data processing method |
| CN111225253A (en) * | 2020-01-17 | 2020-06-02 | 南通大学 | Sea area video source acquisition method based on communication-in-moving antenna |
| CN112929420A (en) * | 2021-01-23 | 2021-06-08 | 新万基卫星技术有限公司 | Shipborne universal servo tracking system in motion |
| CN114244421A (en) * | 2021-11-30 | 2022-03-25 | 中国联合网络通信集团有限公司 | Communication system, method, apparatus, device, and storage medium |
-
2015
- 2015-09-14 CN CN201520710253.8U patent/CN204967818U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105721042A (en) * | 2016-03-02 | 2016-06-29 | 天津凯普卫星导航通信技术有限公司 | Satellite communication system applicable to small ships |
| CN106788667B (en) * | 2016-11-11 | 2020-05-05 | 大连海事大学 | Sea-ground integrated communication system based on stratosphere platform and shipborne relay station |
| CN106788667A (en) * | 2016-11-11 | 2017-05-31 | 大连海事大学 | Haiti integrated communication system based on stratospheric platform and boat-carrying relay station |
| CN107864009A (en) * | 2017-12-22 | 2018-03-30 | 中国人民解放军战略支援部队信息工程大学 | A kind of communication system and method towards Incorporate information network |
| US11146319B2 (en) | 2018-01-26 | 2021-10-12 | Xi'an Zhongxing New Software Co., Ltd. | Antenna system and data processing method |
| CN110086510A (en) * | 2018-01-26 | 2019-08-02 | 中兴通讯股份有限公司 | A kind of antenna system and data processing method |
| CN108736957A (en) * | 2018-04-17 | 2018-11-02 | 浙江大学 | A kind of day-Air-Ground sea emergency network communication system |
| CN109186637A (en) * | 2018-09-13 | 2019-01-11 | 中国舰船研究设计中心 | A kind of warship machine time/inertial navigation is wireless Initial Alignment Systems and alignment methods |
| CN109186637B (en) * | 2018-09-13 | 2022-04-01 | 中国舰船研究设计中心 | Wireless initial alignment system and method for time/inertial navigation of ship and aircraft |
| CN111225253A (en) * | 2020-01-17 | 2020-06-02 | 南通大学 | Sea area video source acquisition method based on communication-in-moving antenna |
| CN111225253B (en) * | 2020-01-17 | 2022-05-10 | 南通大学 | Sea area video source acquisition method based on communication-in-moving antenna |
| CN112929420A (en) * | 2021-01-23 | 2021-06-08 | 新万基卫星技术有限公司 | Shipborne universal servo tracking system in motion |
| CN114244421A (en) * | 2021-11-30 | 2022-03-25 | 中国联合网络通信集团有限公司 | Communication system, method, apparatus, device, and storage medium |
| CN114244421B (en) * | 2021-11-30 | 2023-11-24 | 中国联合网络通信集团有限公司 | Communication system, method, device, apparatus and storage medium |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160217 Address after: 100854 Yongding Road, Beijing, No. 52, No. Patentee after: BEIJING AEROSPACE WANDA HIGH-TECH CO., LTD. Address before: 100854 Haidian District, Beijing, box 142, box office, 403 Patentee before: China Aerospace Times Electronics Corporation The 13th Institute |