CN105591685A - VSAT broadband satellite communication cross beam switching system and method - Google Patents
VSAT broadband satellite communication cross beam switching system and method Download PDFInfo
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- CN105591685A CN105591685A CN201510991592.2A CN201510991592A CN105591685A CN 105591685 A CN105591685 A CN 105591685A CN 201510991592 A CN201510991592 A CN 201510991592A CN 105591685 A CN105591685 A CN 105591685A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
- H04B7/18539—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18578—Satellite systems for providing broadband data service to individual earth stations
- H04B7/18595—Arrangements for adapting broadband applications to satellite systems
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Abstract
The invention relates to a VSAT broadband satellite communication cross beam switching system, comprising a beam atlas module used for generating and storing a beam atlas; a GPS data module used for receiving and storing the real time GPS navigation data transmitted by an antenna controller/GPS receiver/Beidou receiver; a cross beam determination module for determining a cross beam event according to the beam atlas, the real time GPS navigation data and a pre-determined cross beam distinguishing algorithm, and extracting parameters corresponding to a new satellite beam when an cross beam event occurs; and an antenna direction control module connected to the cross beam determination module and the antenna controller, and used for controlling the direction of an antenna according to the determination result of the cross beam determination module. The VSAT broadband satellite communication cross beam switching system can be applied to most current mainstream VSAT satellite communication systems in the world, and employs a special control strategy, thereby avoiding establishing a global satellite main station, and substantially reducing the construction cost of a satellite communication service provider.
Description
Technical field
The invention relates to VSAT wideband satellite communication technical field, particularly about one be used for solving airborne vehicle,Boats and ships, in the time of global roaming, roam into the another one satellite beams area of coverage from a satellite beams area of coverage, or from oneThe satellite communication network area of coverage roams into handover control system and the method for the another one satellite communication network area of coverage.
Background technology
Traditional satellite communication does not need to consider that wave beam switches. In decades, airborne vehicle and boats and ships navigate in the world in the pastWhen row, mainly rely on the L-band marine satellite (INMARSAT) of arrowband, or C-band single channel per carrier (SCPC) satellite communication sideFormula. Because marine satellite is Global coverage, so there is not wave beam switching problem. Single channel per carrier call duration time is conventionally shorter,And C-band satellite covers normally Global coverage, therefore global beam is switched and do not required. But along with Ku/Ka wave band pointThe development of wave beam satellite technology, airborne vehicle and boats and ships need to cover wave beam or different satellites at different satellites under sailThe roaming of the common carrier area of coverage, must solve wave beam switching problem.
When airborne vehicle and boats and ships navigate by water in the world, may between the different beams area of coverage of same satellite, roam, also canCan between the area of coverage of different satellites, roam, also may between the different satellite operator scopes of same satellite beams, overflowTrip. Anyway, airborne vehicle and boats and ships all must be set up and contact with the satellite main website of some satellite operators via satellite,Can final contact with communication target foundation. This be similar to mobile phone between the different base station of same city, between different cities andBetween country variant operator, roam.
The VSAT wideband satellite communication system of current global main flow switches and there is no effective solution for global roaming/wave beamScheme. Particularly, all VSAT equipment manufacturers in the world, carrying out satellite beams while switching, require each satellite beams and eachSatellite main website must work under same network management system management, otherwise just can not carry out wave beam switching. This means, satellite eventuallyEnd cannot be roamed between different satellite operators, can not enjoy mutually resource between different satellite operators completely. For example, Ren HeyiThe satellite communication operator of individual A state, even if only have his user to need short-term to roam into B state, this operator also will be in B stateLocal satellite resource is also rented for a long time by local construction permanent satellite main website; Same, operator of B state also need to build in A stateFound the satellite main website of oneself, rent the satellite resource of A state. This causes the huge wasting of resources undoubtedly, brings huge to operatorCost pressure.
As can be seen here, above-mentioned existing VSAT wideband satellite communication system, in structure and use, obviously still has notJust with defect, and be urgently further improved. In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks painstakinglyAsk solution, completed by development but have no for a long time applicable design always, and common product does not have appropriate structure energyEnough address the above problem, this is obviously the problem that the anxious wish of relevant dealer solves.
Summary of the invention
The object of the present invention is to provide a kind of VSAT wideband satellite communication across wave beam switched system and method, solveTechnical problem be to realize VSAT wideband satellite communication to switch across wave beam, avoid the whole world build satellite main website, can greatly fallLow construction cost, has obvious economic benefit.
The object of the invention is to realize by the following technical solutions. The invention provides a kind of VSAT wideband satellite communicationAcross wave beam switched system, it comprises: wave beam atlas module, for generating wave beam atlas storage; Gps data module, itsConnect antenna controller/GPS receiver/Beidou receiver, send out for reception antenna controller/GPS receiver/Beidou receiverThe real time GPS navigation data of sending here storage; Across wave beam judge module, it connects wave beam atlas module and gps data module,According to wave beam map, real time GPS navigation data and pre-determined across wave beam evaluation algorithm, judge whether to occur across wave beamEvent, and in the time occurring across beam incident, extract the parameter of corresponding new satellite beams; Antenna pointing control module, its connectionAcross wave beam judge module and antenna controller, the sensing for basis across the judged result control antenna of wave beam judge module; DefendStar terminal switching controls module, it connects across wave beam judge module and satellite communication terminal, for according to across wave beam judge moduleThe configuration of judged result control satellite communication terminal; Satellite Master station communication module, via satellite communication terminal and satellite main websiteConnect, set up communicating by letter of satellite communication terminal and satellite main website.
Object of the present invention also can be applied to the following technical measures to achieve further.
Preferably, aforesaid system, it also comprises: ICBM SHF satellite terminal state monitoring module, its connect satellite communication terminal andSatellite Master station communication module, for duty and the data of automatic monitoring record satellite communication terminal, and by satellite communication eventuallyDuty and the data of end are sent satellite main website back to.
Preferably, aforesaid system, duty and the data of wherein said satellite communication terminal comprise satellite communicationThe receiving and transmitting signal quality of terminal, frequency, symbol rate, Ip routing configuration, main website configuration file download state, wave beam switching state,ICBM SHF satellite terminal abnormality code and abnormality are described.
Preferably, aforesaid system, wherein this system is installed on described antenna controller inside, and runs on independenceEmbedded system.
Preferably, aforesaid system, the parameter of the wherein said corresponding new satellite beams of extraction comprises carrier frequency, carrier waveSymbol rate, polarization, satellite beacon frequency, IP routing configuration information.
Object of the present invention also realizes by the following technical solutions. The invention provides one utilizes said system to realizeVSAT wideband satellite communication across wave beam switch method, it comprises the following steps: step S1, across wave beam judge module according to wave beamMap, real time GPS navigation data and pre-determined across wave beam evaluation algorithm, judge whether to occur across beam incident; StepS2, in the time occurring across beam incident, extracts the parameter of corresponding new satellite beams across wave beam judge module; Step S3, antenna directionControl module control antenna turns to new satellite; Step S4, ICBM SHF satellite terminal switching controls module is removed the current institute of satellite communication terminalThere is configuration, and according to the parameter of the parameter change satellite communication terminal of new satellite beams; Step S5, satellite communication terminal is according to newlyThe parameter of satellite beams and satellite main website set up initial communication, and further receive whole from the new satellite beams of satellite main websiteConfiguration data; Step S6, ICBM SHF satellite terminal switching controls module is adjusted, the parameter of calibration satellite communication terminal.
Object of the present invention also can be applied to the following technical measures to achieve further.
Preferably, aforesaid method wherein also comprised according to Global Satellite overlay area and China before step S1The analysis that satellite transit net covers, utilizes the step of software through pictures instrument editor wave beam map.
Preferably, aforesaid method, wherein step S6 comprises: adjust the emission parameter of satellite communication terminal, set up and defendThe return path of star main website; To satellite communication terminal under new main website/new satellite/new satellite beams condition again the calibration time withStep and Frequency Synchronization; Calibration satellite communication terminal transmitting power; Satellite communication terminal from satellite main website obtain new system secret key,Bandwidth pool is distributed, QoS plans, IP routing configuration; Satellite communication terminal receives all parameters that satellite main website sends.
By technique scheme, under VSAT wideband satellite communication of the present invention at least has across wave beam switched system and methodRow advantage and beneficial effect:
One, the present invention, as an autonomous system, according to GPS navigation data, adopts efficient algorithm, judge airborne vehicle,Whether boats and ships cross over different satellite beams under sail, can control satellite communication terminal at satellite communication network completely independentlyBetween switch, and without supposition these satellite communication networks under the management of a united net management, work. And from external controlSatellite communication terminal completes wave beam and switches all processes, the satellite communication terminal in using at present without change, satellite operatorAlso without change satellite main website equipment, avoid overlapping investment.
Two, the present invention adopts conventional new user-network access logon mode to implement wave beam switching, so even without " in movingLogical " satellite communication terminal of function also can realize wave beam and switch, and greatly expanded the scope of application of the present invention.
Three, the present invention adopts succinct software architecture can realize beam boundary judgement, therefore can reduce hardwareRequirement, moves more stablely, and the present invention can be at common operation for embedded system.
Four, link connection, can be in the telemanagement of satellite main website all over the world to satellite main website via satellite in the present inventionThe satellite communication terminal of roaming, also can dynamically change wave beam map and wave beam switchover policy.
Five, the present invention, except as satellite beams handover control system, also provides ICBM SHF satellite terminal remote monitoringThe function of management, considers that the airborne vehicle/steamer of global roaming is away from continent, native country, skill in the time that satellite communication terminal breaks downArt personnel cannot arrive on-the-spot immediately, so the present invention has increased satellite communication terminal work state monitoring function, comprise satelliteThe receiving and transmitting signal quality of communication terminal, frequency, Ip routing configuration, wave beam switching state, thus examine for ICBM SHF satellite terminal remote failureThe disconnected foundation that provides.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention,And can be implemented according to the content of description, and for allow above and other object of the present invention, feature and advantage canBecome apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Brief description of the drawings
Fig. 1 is the system architecture diagram of VSAT wideband satellite communication of the present invention across wave beam switched system.
Fig. 2 is the step block diagram of VSAT wideband satellite communication of the present invention across beam switching method.
Fig. 3 is the schematic diagram across wave beam evaluation algorithm that the present invention uses.
[main element symbol description]
1: wave beam atlas module 2:GPS data module
3: across wave beam judge module 4: Antenna pointing control module
5: ICBM SHF satellite terminal switching controls module 6: satellite Master station communication module
7: ICBM SHF satellite terminal state monitoring module 8: satellite communication terminal
9: satellite main website 100: across wave beam switched system
A～1, P1, P2, P3: some A, B, C: wave beam region
Detailed description of the invention
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction withAccompanying drawing and preferred embodiment, to a kind of VSAT wideband satellite communication proposing according to the present invention across wave beam switched system and methodDetailed description of the invention, structure, feature and effect thereof, be described in detail as follows.
Referring to Fig. 1, is the structured flowchart of a kind of VSAT wideband satellite communication of the present invention across wave beam switched system 100,It comprises:
Wave beam atlas module 1, for generating wave beam atlas storage, concrete, be to utilize software through pictures instrumentEditor's wave beam map, generates wave beam atlas storage.
Gps data module 2, it connects antenna controller 10, and (or independently GPS receiver or Beidou receiver, in order to retouchState conveniently, Fig. 1 adopts antenna controller 10 to be illustrated), concrete, can be by LAN port or RS232 serial ports and skyLane controller 10 connects, the real time GPS navigation number sending for reception antenna controller 10/GPS receiver/Beidou receiverFor example, according to (1 point per second) storage.
Across wave beam judge module 3, it connects wave beam atlas module 1 and gps data module 2, for according to wave beam map,Real time GPS navigation data and pre-determined across wave beam evaluation algorithm, judges whether to occur across beam incident. When occur acrossWhen beam incident, extract the parameter of corresponding new satellite beams across wave beam judge module 3, for example the carrier frequency of new satellite beams,The information such as carrier wave symbol rate, polarization, satellite beacon frequency, IP routing configuration.
The regional satellite coverage areas such as China, Europe, America, Africa are analyzed, and to Chinese satellite transitNet covers and analyzes, and reaching a conclusion is that main coverage area boundary is substantially level and smooth, there is no complicated boundary shape, therefore can containAbandon loaded down with trivial details beam boundary decision logic, utilize succinct software architecture can realize beam boundary judgement.
Referring to Fig. 3, is the schematic diagram of an embodiment of the leap wave beam evaluation algorithm that uses of the present invention. In the present inventionIn, also can adopt other algorithms except Fig. 3, cross over wave beam judgement as long as can realize, the present invention do not limit acrossThe more algorithm types of wave beam judgement. In Fig. 3, some a, b, c, d, e, f surround effective wave beam region A, in A inside, region,The region C being surrounded by a g, h, i, c does not belong to region A, and the region B being surrounded by an i, j, k, l does not belong to region A yet. Judging pointWhether P1, P2, P3 belong to region A, only need to do horizontal horizontal line (as the level void Fig. 3 from a P1, P2, P3 respectivelyLine), and calculate the number of times that this horizontal line passes across the border. If traversing times is odd number, this point belong to region A (do not occur acrossBeam incident), otherwise this point does not belong to region A (having occurred across beam incident). In Fig. 3, it is inferior that some P1 and P3 pass across the borderNumber, for odd number (being respectively 1 time and 3 times), therefore belongs to region A, does not occur across beam incident; The number of times that some P2 passes across the borderFor even number (2 times), therefore do not belong to region A, occur across beam incident.
Antenna pointing control module 4, it connects across wave beam judge module 3 and antenna controller 10, for according to across wave beamThe sensing of the judged result control antenna of judge module 3. In the time that judgement has occurred across beam incident, control antenna points to new defendingStar, and lock the carrier signal of new satellite beams.
ICBM SHF satellite terminal switching controls module 5, it connects across wave beam judge module 3 and satellite communication terminal 8, for according to acrossThe configuration of the judged result control satellite communication terminal 8 of wave beam judge module 3. Concrete, can pass through LAN port and satellite communicationTerminal 8 connects, and in the time that judgement has occurred across beam incident, it is current that ICBM SHF satellite terminal switching controls module 5 is removed satellite communication terminal 8All configurations, and according to the parameter of the parameter change satellite communication terminal 8 of new satellite beams, send ripple to satellite communication terminal 8Bundle switching control parameter.
Satellite Master station communication module 6, communication terminal 8 is connected with satellite main website 9 via satellite, sets up satellite communication terminal 8With communicating by letter of satellite main website 9, receive the various Monitoring instructions of satellite main website 9 or more new data of state.
ICBM SHF satellite terminal state monitoring module 7, it connects satellite Master station communication module 6 and satellite communication terminal 8, for automaticallyThe duty of monitoring record satellite communication terminal 8 and data, satellite Master station communication module 6 receives ICBM SHF satellite terminal status monitoring mouldDuty and the data of the satellite communication terminal 8 that piece 7 is sent here, and by these data via satellite communication terminal 8 be transmitted to and defendStar main website 9. Consider that the airborne vehicle/steamer of global roaming is away from continent, native country, technology in the time that satellite communication terminal 8 breaks downPersonnel cannot arrive on-the-spot immediately, so the present invention has increased satellite communication terminal 8 work state monitoring functions, comprise that satellite is logicalThe receiving and transmitting signal quality of letter terminal 8, frequency, symbol rate, Ip routing configuration, main website configuration file download state, wave beam switch shapeState, ICBM SHF satellite terminal abnormality code and abnormality are described, thereby comply with for satellite communication terminal 8 remote fault diagnosis provideAccording to. These monitored data via satellite Master station communication module 6 and satellite communication terminal 8 send back satellite main website 9, for main websiteControl personnel analyze monitoring.
VSAT wideband satellite communication of the present invention control as satellite communication terminal 8 global roamings across wave beam switched systemSystem, runs on embedded system conventionally, is arranged on airborne vehicle or ship together with satellite communication terminal 8 and communication in moving antennaOn oceangoing ship, co-ordination. In addition, the present invention also can be installed on the inside of antenna controller 10. Refer to Fig. 2, it is the present inventionUtilize the system shown in Fig. 1 realize VSAT wideband satellite communication across wave beam switch method, it comprises the following steps:
Step S1, across wave beam judge module according to wave beam map, real time GPS navigation data and pre-determined across rippleBundle evaluation algorithm, judges whether to occur across beam incident;
Concrete, before step S, utilize software through pictures instrument editor wave beam map, generate wave beam atlas and depositStorage is in wave beam atlas module.
The concrete preparation method of wave beam map is as follows: carry according to satellite repeater supplier (SatelliteOperator)The satellite beams coverage diagram of confession, carries out digitlization to be concerned about overlay area and (notices that each area of coverage must seal manyLimit shape), replace original satellite coverage diagram with polygonal approximation, and by polygon vertex geographical coordinate (longitude and latitude) with following latticeFormula is recorded as text, each wave beam a line:
Wave beam title 1, number of vertex, summit 1 longitude, summit 1 latitude, summit 2 longitudes, summit 2 latitudes ..., summitN1 longitude, summit n1 latitude;
Wave beam title 2, number of vertex, summit 1 longitude, summit 1 latitude, summit 2 longitudes, summit 2 latitudes ..., summitN2 longitude, summit n2 latitude;
Wave beam title 3, number of vertex, summit 1 longitude, summit 1 latitude, summit 2 longitudes, summit 2 latitudes ..., summitN3 longitude, summit n3 latitude;
Subsequently, utilize graphical tool, input above-mentioned text, (graphical tool generates footprint of a beam figure automaticallyWave beam atlas), for examining and editing.
In step S1, judge whether to send out according to wave beam map and the next real time GPS navigation data of antenna controller forwardingRaw across beam incident, be according to the wave beam switchover policy of setting, per second once judging whether occurs across beam incident. Through centeringThe regional satellite coverage areas such as state, Europe, America, Africa are analyzed, and Chinese satellite transit net is covered and dividedAnalyse, reaching a conclusion is that main coverage area boundary is substantially level and smooth, there is no complicated boundary shape, therefore can give up loaded down with trivial details wave beamBorder decision logic, utilizes succinct software architecture can realize beam boundary judgement.
The leap wave beam evaluation algorithm that the present invention uses refers to Fig. 3, in aforementioned content, describes in detail for example,This repeats no more.
Step S2, in the time confirming to occur across beam incident, extracts the parameter of corresponding new satellite beams across wave beam judge module;
Concrete, in the time that judgement occurs across beam incident, extract the parameter of corresponding new satellite beams across wave beam judge module,The information such as for example carrier frequency of new satellite beams, carrier wave symbol rate, satellite beacon frequency, polarization, IP routing configuration.
Step S3, Antenna pointing control module controls antenna turns to new satellite. According to the interface requirement of antenna, the present invention willThe data such as the newly carrier frequency of satellite beams, carrier wave symbol rate, satellite beacon frequency, satellite-signal polarization send antenna to, dayLine turns to new satellite according to these data, the downward signal of satellite that automatic search is new. Antenna pointing control module is monitored automaticallyThe search procedure of antenna, in the time that antenna locks new satellite beams, proceeds to step S4.
Step S4, ICBM SHF satellite terminal switching controls module is removed the current all configurations of satellite communication terminal, and according to new satelliteThe parameter of the parameter change satellite communication terminal of wave beam, sends wave beam switching control parameter to satellite communication terminal.
Step S5, satellite communication terminal is set up initial communication according to the parameter of new satellite beams and satellite main website, goes forward side by side oneStep receives the whole configuration datas of new satellite beams from satellite main website. Concrete, satellite communication terminal receives the present invention and sendAfter the new satellite beams parameter of coming, first search for the downstream signal of new satellite beams according to frequency, symbol rate, polarization, set up withNewly downward signal of satellite is synchronous, and therefrom extracts the system information of main website broadcast, and these information comprise satellite communication terminalAllow the information such as tranmitting frequency, symbol rate using. The main station system information that satellite communication terminal utilization receives, sets up satelliteUp channel, and send the log-on message of this satellite communication terminal to satellite main website. Satellite main website receives satellite communication terminalLog-on message after, set up with the formal communication channel of satellite communication terminal.
Step S6, ICBM SHF satellite terminal switching controls module is adjusted, the parameter of calibration satellite communication terminal.
Concrete, step S6 comprises: adjust the emission parameter of satellite communication terminal, with large scale timeslice attempt setting up withThe return path of satellite main website; To satellite communication terminal calibration time again under new main website/new satellite/new satellite beams conditionSynchronous and Frequency Synchronization; Calibration satellite communication terminal transmitting power; Satellite communication terminal obtains the secret of new system from satellite main websiteKey, bandwidth pool are distributed, QoS plans, IP routing configuration; Satellite communication terminal receives all parameters that satellite main website sends. TheseIt is fashionable that to be satellite communication terminal add as new user's registration parameter, and it is logical that satellite main website must provide and automatically send to related satelliteLetter terminal.
1 or multiple satellite main website may be had in satellite communication operator, and these satellite main websites may be distributed inAll over the world. The multiple satellite main website of an operator may (be used up between multiple main websites by a network management system unified managementFine connection), also may be independent each other. Any one satellite communication terminal all must be first in certain satellite main website registration, abilityCommunicate with this main website, so with system in or other telex networks outside system. Because all systems are all supported new useFamily network registration, so target coverage district and target main website can be operators completely independently. In the present invention, airborne vehicle/wheelWhen ship roams into foreign wave beam covering, only need add bipartite network just just can keep communication as interim newly user registrationOften.
Abnormal if above-mentioned a certain step control occurs, select feelings and restart or return to above-mentioned a certain intermediate steps.
Finally, whether the present invention automatically examines handoff procedure and all correctly completes, ensureing that wave beam switches smoothly, system justNormal work.
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction, thoughSo the present invention discloses as above with preferred embodiment, but is not in order to limit the present invention, is anyly familiar with this professional technology peopleMember, is not departing within the scope of technical solution of the present invention, when utilizing the technology contents of above-mentioned announcement to make a little change or modificationFor the equivalent embodiment of equivalent variations, be the content that does not depart from technical solution of the present invention in every case, according to technical spirit of the present inventionAny simple modification, equivalent variations and modification that above embodiment is done, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. VSAT wideband satellite communication, across a wave beam switched system, is characterized in that comprising:
Wave beam atlas module, for generating wave beam atlas storage;
Gps data module, it connects antenna controller/GPS receiver/Beidou receiver, for reception antenna controller/GPSThe real time GPS navigation data that receiver/Beidou receiver sends storage;
Across wave beam judge module, it connects wave beam atlas module and gps data module, according to wave beam map, real time GPS navigationData and pre-determined across wave beam evaluation algorithm, judge whether to occur across beam incident, and when occurring across beam incidentTime, extract the corresponding newly parameter of satellite beams;
Antenna pointing control module, it connects across wave beam judge module and antenna controller, for according to across wave beam judge moduleThe sensing of judged result control antenna;
ICBM SHF satellite terminal switching controls module, it connects across wave beam judge module and satellite communication terminal, sentences across wave beam for basisThe configuration of the judged result control satellite communication terminal of disconnected module;
Satellite Master station communication module, communication terminal is connected with satellite main website via satellite, sets up satellite communication terminal and satellite masterThe communication of standing.
2. system according to claim 1, characterized by further comprising: ICBM SHF satellite terminal state monitoring module, its connection is defendedStar communication terminal and satellite Master station communication module, for duty and the data of automatic monitoring record satellite communication terminal, andSend the duty of satellite communication terminal and data back to satellite main website.
3. system according to claim 2, duty and the packet of the satellite communication terminal described in it is characterized in thatDraw together receiving and transmitting signal quality, frequency, symbol rate, Ip routing configuration, main website configuration file download state, the wave beam of satellite communication terminalSwitching state, ICBM SHF satellite terminal abnormality code and abnormality are described.
4. system according to claim 1, is characterized in that this system is installed on described antenna controller inside, andRun on independently embedded system.
5. system according to claim 1, the parameter of the corresponding new satellite beams of extraction described in it is characterized in that comprises carriesRipple frequency, carrier wave symbol rate, polarization, satellite beacon frequency, IP routing configuration information.
6. utilize the system described in claim 1 to realize the method that VSAT wideband satellite communication switches across wave beam, its featureBe to comprise the following steps:
Step S1, across wave beam judge module according to wave beam map, real time GPS navigation data and pre-determinedly sentence across wave beamDisconnected algorithm, judges whether to occur across beam incident;
Step S2, in the time occurring across beam incident, extracts the parameter of corresponding new satellite beams across wave beam judge module;
Step S3, Antenna pointing control module controls antenna turns to new satellite;
Step S4, ICBM SHF satellite terminal switching controls module is removed the current all configurations of satellite communication terminal, and according to new satellite beamsThe parameter of parameter change satellite communication terminal;
Step S5, satellite communication terminal is set up initial communication according to the parameter of new satellite beams and satellite main website, and further connectsReceive the whole configuration datas of new satellite beams from satellite main website;
Step S6, ICBM SHF satellite terminal switching controls module is adjusted, the parameter of calibration satellite communication terminal.
7. method according to claim 6, is characterized in that also comprising according to the Global Satellite area of coverage before step S1The analysis covering is netted in territory and China Satecom's operation, utilizes the step of software through pictures instrument editor wave beam map.
8. method according to claim 6, is characterized in that step S6 comprises: the transmitting ginseng of adjusting satellite communication terminalNumber, sets up the return path with satellite main website; Heavy under new main website/new satellite/new satellite beams condition to satellite communication terminalNew calibration time synchronized and Frequency Synchronization; Calibration satellite communication terminal transmitting power; Satellite communication terminal obtains from satellite main websiteSecret key, the bandwidth pool of new system distributed, QoS plans, IP routing configuration; Satellite communication terminal receives all that satellite main website sendsParameter.
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| CN111246544A (en) * | 2020-01-09 | 2020-06-05 | 南京凯瑞得信息科技有限公司 | Deep and distant sea fusion networking communication system |
| CN112019259A (en) * | 2020-09-11 | 2020-12-01 | 中国电子科技集团公司第五十四研究所 | Cross-beam communication method and terminal based on heaven-through one-number satellite |
| CN113747366A (en) * | 2021-09-02 | 2021-12-03 | 北京九天利建信息技术股份有限公司 | Terminal data reporting method in Beidou satellite navigation system |
| CN114665954A (en) * | 2022-04-26 | 2022-06-24 | 中电防务科技有限公司 | Satellite beam selection method and device based on communication area beam coverage rate |
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