CN102122987B - Portable satellite communication system - Google Patents
Portable satellite communication system Download PDFInfo
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- CN102122987B CN102122987B CN201110061823.1A CN201110061823A CN102122987B CN 102122987 B CN102122987 B CN 102122987B CN 201110061823 A CN201110061823 A CN 201110061823A CN 102122987 B CN102122987 B CN 102122987B
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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 discloses a portable satellite communication system, which comprises a center station and a plurality of portable stations. By adopting the center station, the portable stations and other hardware devices and reasonably matching the hardware devices, the system can adopt the traditional satellite communication system with a single channel per carrier-demand assigned multiple access (SCPC/DAMA) system by a hybrid control mode and has developed technology, and can sufficiently utilize resources of a satellite forwarder. Meanwhile, the portable stations in the system have small volume and light weight, and are convenient for carrying. By adopting the technical scheme, the invention can meet the communication requirement of the following situations: remote and border areas, islands, country, oil fields, mineral areas, finance, transportation, civil aviation, environmental protection, water conservancy, electric power, geology, rescue and relief work, emergency and the like. Furthermore, the portable satellite communication system disclosed by the invention also solves the problems that cable, optical fiber and other wired communication modes cannot cover or be connected whenever and wherever possible, and the wired station has unstable communication quality and single communication service.
Description
Technical field
The present invention relates to a kind of portable satellite communication system, particularly relate to a kind of portable satellite communication system being formed by a central station and several remote terminals.
Background technology
In recent years because the frequent natural calamity such as earthquake occur, people day by day all increase the demand of satellite communication, although there is the system as ImmarSat, Thuraya so available, these systems must be used the satellite Bing Shouqi network management center management of appointment, can not independent networking operation use.Therefore, if can set up a general satellite communication system, only need to arrive satellite company and rent the just independent networking use of energy of certain transponder frequency resource, be bound to bring very high society and economic benefit.Mix the single channel per carrier of control model-by the satellite communication system technology maturation of demand assignment multiple access (SCPC/DAMA) system, can make full use of satellite repeater resource, be particularly suitable for outlying district, island, rural area, oil field, mining area, geology and speedily carry out rescue work, the disaster relief, the occasion such as meet an urgent need.
In sum, problem demanding prompt solution of the present invention is, set up a general satellite communication system, setting up this general satellite communication system need to carry out reasonably combined to the required hardware of this system, so that native system is in the communication requirement that can meet following occasion: outlying district, island, rural area, oil field, mining area, finance, traffic, civil aviaton, environmental protection, water conservancy, electric power, geology and speedily carrying out rescue work, the disaster relief, meet an urgent need etc., simultaneously, also need to solve cable, the electrical communication modes such as optical fiber cannot cover, can not open whenever and wherever possible and radio set communication quality unstable, the problems such as communication service is single.
Summary of the invention
Technical problem to be solved by this invention is, a kind of portable satellite communication system is provided, and it can meet the communication requirement of following occasion: outlying district, island, rural area, oil field, mining area, finance, traffic, civil aviaton, environmental protection, water conservancy, electric power, geology and speedily carry out rescue work, the disaster relief, emergent etc.In addition, it can also solve the electrical communication modes such as cable, optical fiber and cannot cover, and can not open whenever and wherever possible and radio set communication quality is unstable, communication service is single problem.
For solving the problems of the technologies described above, basic conception of the present invention is: set up a communication network, this network only need to arrive satellite company and rent the just independent networking use of energy of certain transponder frequency resource.This network is comprised of a central station and several remote terminals.Wherein, remote terminal, is a kind of portable satellite communication earth station (being all called below portable station) of miniaturization, has configured Traffic Channel, for user directly provides communication service; Central station Ye Cheng main website (following Jun Cheng main website), is provided with network management center, by webmaster channel, all portable stations in net is implemented to network management and controls.In main website, comprise network management computer, network management channel device and for connecting all Traffic Channels of portable station.In addition, the supported communication service of the present invention has: speech, data, fax; The network that the present invention forms has the ability that portable station quantity is expanded.
For realizing the basic conception of the invention described above, the technical solution used in the present invention is: a kind of portable satellite communication system, this system comprises: a main website and a plurality of portable station, described main website comprises: duplexer, BUC (up-conversion power amplifier), waveguide switch, intermediate frequency CU common unit, webmaster channel, network management unit, communication terminal, communication channel, and LNB (low noise block downconverter), wherein, described duplexer is divided into two-way and is connected to respectively described BUC and LNB, wherein described in a road, BUC (is connected to described intermediate frequency CU common unit, described intermediate frequency CU common unit is connected to described network management unit by each webmaster channel, described in another road, LNB is connected to intermediate frequency CU common unit, described intermediate frequency CU common unit is connected to described communication terminal by each communication channel, described portable station comprises: far-end antenna, duplexer, BUC, LNB, communication equipment and subscriber terminal equipment, wherein, described far-end antenna is connected to described duplexer, described duplexer is divided into two-way and is connected to respectively described BUC and LNB, described BUC and LNB are connected to described communication equipment jointly, and described communication equipment is connected to described subscriber terminal equipment.
Further, in described portable satellite communication system, described main website also comprises: standby system, this standby system arranges for the equipment in described main website is repeated, and by active and standby switch unit, can between main system and standby system, switch.
Further, in described portable satellite communication system, described main website also comprises: antenna and antenna servo system, and wherein, described antenna servo system is connected to described antenna, and described antenna is connected to described duplexer.
Further, in described portable satellite communication system, described main website communicates by webmaster channel device and satellite, and described webmaster channel device and Traffic Channel communicate, and described Traffic Channel and described satellite communicate.
Further, in described portable satellite communication system, described main website sends network management information with multiple access/method of salary distribution of TDM/PA to portable station described in each, described portable station sends feedback information with multiple access/method of salary distribution of ALOHA to described main website, and described webmaster channel device at least comprises a pair of two-way TDM channel and a pair of two-way ALOHA channel.
Further, in described portable satellite communication system, described Traffic Channel adopts fully connected topology to realize the two-way communication of speech, data, facsimile service between described portable station, and in addition, the multi-access mode of described Traffic Channel and the method for salary distribution are FDMA/SCPC/DAMA.
Further, in described portable satellite communication system, the indoor equipment of described main website adopts 19 inches of standard PC cases, and wherein, described intermediate frequency CU common unit adopts 2U cabinet.
Further, in described portable satellite communication system, described portable station is by AC adapter or powered battery.
Further, in described portable satellite communication system, described portable station adopts LCD as display device, and while normally working, operating state shows on LCD, and when unattended, this LCD is in closed condition.
Further, in described portable satellite communication system, described network management unit comprises: client, application server and database server.
Advantage of the present invention is, the present invention adopts the hardware devices such as central station, portable station and these hardware devices has been carried out to rational collocation, make its single channel per carrier that can adopt existing mixing control model-by the satellite communication system of demand assignment multiple access (SCPC/DAMA) system, this systems technology is ripe, can make full use of satellite repeater resource.Meanwhile, the portable station volume in native system is little, lightweight, is easy to carry.By adopting technique scheme to make the present invention can meet the communication requirement of following occasion: outlying district, island, rural area, oil field, mining area, finance, traffic, civil aviaton, environmental protection, water conservancy, electric power, geology and speedily carry out rescue work, the disaster relief, emergent etc., in addition, the present invention has also solved the electrical communication modes such as cable, optical fiber and cannot cover, the problem that can not open whenever and wherever possible, the problem that radio set communication quality is unstable, communication service is single.
Accompanying drawing explanation
Fig. 1 is the topological diagram of network management system in portable satellite communication system of the present invention;
Fig. 2 is the topological diagram of service transmission system in portable satellite communication system of the present invention;
Fig. 3 is the equipment composition frame chart of main website in portable satellite communication system of the present invention;
Fig. 4 is the equipment composition frame chart of portable station in portable satellite communication system of the present invention;
Fig. 5 is the implementation structure figure of network management system in portable satellite communication system of the present invention;
Fig. 6 is the communication process between portable station in portable satellite communication system of the present invention.
Embodiment
For further disclosing technical scheme of the present invention, be hereby described with reference to the accompanying drawings embodiments of the present invention:
Fig. 1 is the topological diagram of network management system in portable satellite communication system of the present invention, Fig. 2 is the topological diagram of service transmission system in portable satellite communication system of the present invention, Fig. 3 is the equipment composition frame chart of main website in portable satellite communication system of the present invention, Fig. 4 is the equipment composition frame chart of portable station in portable satellite communication system of the present invention, Fig. 5 is the implementation structure figure of network management system in portable satellite communication system of the present invention, wherein, comprise: a main website 120 and a plurality of portable station 130, described main website 120 comprises: duplexer 320, BUC340, waveguide switch, intermediate frequency CU common unit 350, webmaster channel 360, network management unit 370, communication terminal 380, communication channel 390, and LNB300, wherein, described duplexer 320 is divided into two-way and is connected to respectively described BUC340 and LNB300, wherein described in a road, BUC340 is connected to described intermediate frequency CU common unit 350, described intermediate frequency CU common unit 350 is connected to described network management unit 370 by each webmaster channel 360, described in another road, LNB300 is connected to intermediate frequency CU common unit 350, described intermediate frequency CU common unit 350 is connected to described communication terminal 380 by each communication channel 390, described portable station 130 comprises: far-end antenna 210 duplexers 320, BUC340, LNB300, communication equipment 260 and subscriber terminal equipment 270, wherein, described far-end antenna 210 is connected to described duplexer 320, described duplexer 320 is divided into two-way and is connected to respectively described BUC340 and LNB300, described BUC340) and LNB300 be jointly connected to described communication equipment 260, described communication equipment 260 is connected to described subscriber terminal equipment 270, and described communication equipment 260 comprises intermediate frequency equipment 261 and channel terminal equipment 262.
Preferably, as shown in Figure 3, described main website 120 also comprises: standby system, this standby system arranges for the equipment in described main website 120 is repeated, particularly, in described main website 120, repeat to be provided with following equipment: BUC340, webmaster channel 360 and communication channel 390, when the situations such as main system breaks down, by active and standby switch unit 330, can between main system and standby system, switch; Alternatively, described main website 120 can also comprise: antenna 310 and antenna servo system 311, and wherein, described antenna servo system 311 is connected to described antenna 310, and described antenna 310 is connected to described duplexer 320; Described main website 120 communicates by webmaster channel device 121 and satellite 110, and described webmaster channel device 121 communicates with Traffic Channel 123, and described Traffic Channel 123 communicates with described satellite 110; In addition, described main website 120 sends network management information with multiple access/method of salary distribution of TDM/PA to portable station described in each 130, described portable station 130 sends feedback information with multiple access/method of salary distribution of ALOHA to described main website 120, and described webmaster channel device 121 at least comprises a pair of two-way TDM channel and a pair of two-way ALOHA channel.
Preferably, as shown in Figure 2, described Traffic Channel 123 adopts fully connected topology to realize the two-way communication of speech, data, facsimile service between described portable station 130, and in addition, the multi-access mode of described Traffic Channel 123 and the method for salary distribution are FDMA/SCPC/DAMA.
Preferably, the indoor equipment of described main website 120 adopts 19 inches of standard PC cases, and wherein, described intermediate frequency CU common unit 350 adopts 2U cabinet; In addition, described portable station 130 is mainly comprised of antenna, radio-frequency apparatus, channel cabinet, as Fig. 4, communication equipment 260 parts in described channel cabinet corresponding diagram 4, this part is Portable machine box, radio frequency part and 0.9 meter of antenna are contained in a knapsack, and the antenna of described portable station 130 adopts split mounting type antenna, and it is portability that a whole set of described portable station 130 is born by two people; Described portable station 130 is by AC adapter or powered battery, and described portable station 130 adopts LCD as display device, and while normally working, operating state shows on LCD, and when unattended, this LCD is in closed condition; The structure of described portable station 130 is for adopting the structure of upturning lid, and size is 320 * 210 * 100mm approximately
3, renovate and can suitably put some appendicles, in described channel device punch-out equipment case, be also provided with supply module, ifd module, baseband module, monitoring module and interface module.
Preferably, described network management unit 370 comprises: client 410, application server 420 and database server 430, network management unit 370 is connected by LAN with webmaster channel device 121, and client 140 computers are also connected by LAN with application server 420 computers.
Earth station A shown in two portable station 130 figure and the communication process between earth station B while illustrating portable satellite communication system real work involved in the present invention below in conjunction with Fig. 6:
As shown in Figure 6, the communication process showing between earth station A and earth station B with order from top to bottom in figure specifically comprises the following steps:
1, under holding state, VCU is operated in DAMA controller state, and extroversion that frequency is respectively network control, interior to control channel frequency is sent in its sending and receiving;
2, user A off-hook, VCU detects after off hook signal, to user A, send dialing tone;
3, hear after dialing tone, user A dials the number of called subscriber B;
4, receive after call request network control center, by export-oriented control channel, beam back confirmation, check that whether called tation VCU is available free, whether voice channel is available free simultaneously, if all available free resource can be used, algorithm is according to the rules selected a pair of voice channel, at called tation, select a VCU, and in the database of network control center, these resources are put and take (do) and indicate;
5, call distribution information is sent to caller, called VCU in network control center, and sets up call record.KMC for distributing, the communication key of communication generation between user A and B is issued to earth station A and earth station B simultaneously;
6, caller, called VCU are adjusted to allocated channel frequency by transmitting-receiving frequency, and carry out continuity test and set up to confirm that satellite channel connects;
7, after conducting, called VCU sends bell signal to user B;
8, user B off-hook, enters communications status;
9, intercommunication, i.e. communication process;
10, during sign off, suppose user A on-hook, the phone of user A is sent out on-hook signal to VCU;
11, the VCU of earth station A detects after on-hook signal by voice channel and send to the VCU of earth station B the indication of taking out stitches;
12, the VCU loopback clear confirmation of earth station B, and send busy tone to user B;
13, caller, called VCU receive and take out stitches after indication confirmation, clear confirmation, respectively transmitting-receiving frequency recalled to control channel;
14, receive after the information of calling network control center, reclaims the communication resource, comprises satellite channel and VCU, and respective channel and equipment are put to the free time.And stop this call record, and register.To earth station A and earth station B, send end of calling information;
15, whole communication process finishes;
More than, by description of listed embodiment, the basic ideas and basic principles of the present invention have been set forth.But the present invention is never limited to above-mentioned listed execution mode, every equivalent variations of doing based on technical scheme of the present invention, improvement and deliberately become of inferior quality behavior, all should belong to protection scope of the present invention.
Claims (10)
1. a portable satellite communication system, this system comprises: a main website (120) and a plurality of portable station (130), it is characterized in that, described main website (120) comprising: duplexer (320), up-conversion power amplifier (BUC) (340), waveguide switch, intermediate frequency CU common unit (350), webmaster channel (360), network management unit (370), communication terminal (380), communication channel (390), and low noise block downconverter (LNB) (300), wherein, the duplexer (320) of described main website (120) is divided into the BUC(340 that two-way is connected to respectively described main website (120)) and LNB(300), the described BUC(340 that wherein a road connects) be connected to described intermediate frequency CU common unit (350), with described BUC(340) the described intermediate frequency CU common unit (350) that is connected is connected to described network management unit (370) by each webmaster channel (360), the LNB(300 of the described main website (120) that another road connects) be connected to another intermediate frequency CU common unit (350), another intermediate frequency CU common unit (350) being connected with described LNB (300) is connected to described communication terminal (380) by each communication channel (390), described portable station (130) comprising: far-end antenna (210), duplexer (320), BUC(340), LNB(300), communication equipment (260), and subscriber terminal equipment (270), wherein, described far-end antenna (210) is connected to the duplexer (320) of described portable station (130), the duplexer (320) of described portable station (130) is divided into the BUC(340 that two-way is connected to respectively described portable station (130)) and LNB(300), the BUC(340 of described portable station (130)) and LNB(300) be jointly connected to described communication equipment (260), described communication equipment (260) is connected to described subscriber terminal equipment (270).
2. portable satellite communication system according to claim 1, it is characterized in that, described main website (120) also comprises: standby system, this standby system arranges for the equipment in described main website (120) is repeated, and by active and standby switch unit (330), can between main system and standby system, switch.
3. portable satellite communication system according to claim 1, it is characterized in that, described main website (120) also comprises: antenna (310) and antenna servo system (311), wherein, described antenna servo system (311) is connected to described antenna (310), and described antenna (310) is connected to the duplexer (320) of described main website (120).
4. portable satellite communication system according to claim 1, it is characterized in that, described main website (120) also comprises: webmaster channel device (121) and Traffic Channel (123), described main website (120) communicates by webmaster channel device (121) and satellite (110), described webmaster channel device (121) communicates with Traffic Channel (123), and described Traffic Channel (123) communicates with described satellite (110).
5. portable satellite communication system according to claim 4, it is characterized in that, described main website (120) sends network management information with the multiple access/method of salary distribution of time division multiplexing (TDM)/preassignment (PA) to portable station described in each (130), described portable station (130) sends feedback information with the multiple access/method of salary distribution of ALOHA wireless data communication protocol to described main website (120), and described webmaster channel device (121) at least comprises a pair of two-way TDM channel and a pair of two-way ALOHA channel.
6. portable satellite communication system according to claim 4, it is characterized in that, described Traffic Channel (123) adopts fully connected topology to realize the two-way communication of speech, data, facsimile service between described portable station (130), in addition, the multi-access mode of described Traffic Channel (123) and the method for salary distribution are frequency division multiple access (FDMA)/single channel per carrier (SCPC)/by demand assignment multiple access (DAMA).
7. portable satellite communication system according to claim 1, is characterized in that, the indoor equipment of described main website (120) adopts 19 inches of standard PC cases, and wherein, described intermediate frequency CU common unit (350) adopts 2U cabinet.
8. portable satellite communication system according to claim 1, is characterized in that, described portable station (130) is by AC adapter or powered battery.
9. portable satellite communication system according to claim 1, it is characterized in that, described portable station (130) adopts liquid crystal display (LCD) as display device, and while normally working, operating state shows on LCD, and when unattended, this LCD is in closed condition.
10. portable satellite communication system according to claim 1, is characterized in that, described network management unit (370) comprising: client (410), application server (420) and database server (430).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110061823.1A CN102122987B (en) | 2011-03-15 | 2011-03-15 | Portable satellite communication system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110061823.1A CN102122987B (en) | 2011-03-15 | 2011-03-15 | Portable satellite communication system |
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| CN102122987A CN102122987A (en) | 2011-07-13 |
| CN102122987B true CN102122987B (en) | 2014-05-07 |
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| CN201110061823.1A Expired - Fee Related CN102122987B (en) | 2011-03-15 | 2011-03-15 | Portable satellite communication system |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102378406B (en) * | 2011-10-14 | 2014-04-02 | 航天恒星科技有限公司 | Method for dynamically adjusting time delay of terminal stations of mesh satellite communication network |
| CN103259674B (en) * | 2012-06-06 | 2015-10-28 | 中国交通通信信息中心 | A kind of data managing method based on satellite communications services |
| CN102843179B (en) * | 2012-08-13 | 2013-08-07 | 北京盈想东方科技发展有限公司 | Portable narrow band satellite communication device and control method thereof |
| CN102916738B (en) * | 2012-11-01 | 2015-02-11 | 中国电子科技集团公司第五十四研究所 | Data reliable multicast method based on FDMA (frequency division multiple Access)/DAMA (demand assigned multiple access) satellite communication system |
| IL238612A (en) * | 2015-05-04 | 2016-05-31 | Berejik Zacharia | System and method for mobile communication through geostationary satellites |
| CN105530242B (en) * | 2015-12-04 | 2020-09-22 | 航天恒星科技有限公司 | Comprehensive service processing method and system for satellite communication network |
| CN107979406B (en) * | 2017-11-28 | 2020-06-30 | 中国电子科技集团公司第五十四研究所 | Optimized station state management method based on satellite contention channel |
| CN111294111B (en) * | 2020-05-09 | 2020-08-11 | 南京控维通信科技有限公司 | Method and system for utilizing satellite resources sharing forward carrier |
| CN112367102B (en) * | 2020-09-30 | 2021-11-02 | 东方红卫星移动通信有限公司 | Low-profile transmitting-receiving antenna conformal time division multiplexing communication circuit and satellite communication terminal |
| CN117319165A (en) * | 2022-06-23 | 2023-12-29 | 中兴通讯股份有限公司 | Network element log acquisition method, equipment and computer readable storage medium |
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- 2011-03-15 CN CN201110061823.1A patent/CN102122987B/en not_active Expired - Fee Related
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| EP0553952A1 (en) * | 1992-01-08 | 1993-08-04 | General Electric Company | Satellite communications system with reservation protocol using at least three data channels |
| US5613193A (en) * | 1993-07-05 | 1997-03-18 | Kokusai Denshin Denwa Co. Ltd. | Compensation of frequency offset |
| CN1291385A (en) * | 1998-03-27 | 2001-04-11 | 世界空间管理公司 | Digital broodcast system using satellite direct broadcast and terrestrial repeater |
| CN201188617Y (en) * | 2006-09-19 | 2009-01-28 | 北京爱科迪信息通讯技术有限公司 | Intelligent portable satellite communication earth station |
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