CN104202079A - Method for implementing all-day communication through SIGSO communication satellite constellation - Google Patents
Method for implementing all-day communication through SIGSO communication satellite constellation Download PDFInfo
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- CN104202079A CN104202079A CN201410479390.5A CN201410479390A CN104202079A CN 104202079 A CN104202079 A CN 104202079A CN 201410479390 A CN201410479390 A CN 201410479390A CN 104202079 A CN104202079 A CN 104202079A
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Abstract
The invention provides a method for implementing all-day communication through the SIGSO communication satellite constellation. The method includes positioning two or more than two SIGSO communication satellites on two or more than two GEO communication satellite co-located locations, and utilizing two or more than two SIGSO communication satellites to form the SIGSO communication satellite constellation; the orbit of each SIGSO communication satellite is divided into two portions, namely one portion outside vertical two degrees the equatorial plane and one portion inside the vertical two degrees the equatorial plane. A satellite communication ground station implements all-day satellite communication through the SIGSO communication satellite constellation.
Description
Technical field
The present invention relates to satellite communication field, especially relate to a kind of SIGSO communication satellite constellation and realize the method that round-the-clock is communicated by letter.
Background technology
Communication satellite is the space segment of satellite communication system, and communication satellite forwards radio signal, realizes between satellite communication earth station (containing terminal) or communicating by letter between earth station and spacecraft.Communication satellite is divided into geostationary orbit (Geostationary Earth Orbit by the difference of track, be abbreviated as GEO) communication satellite, HEO (Highly Elliptical Orbit, be abbreviated as HEO) communication satellite, middle orbit (Medium Earth Orbit, be abbreviated as MEO) communication satellite and low orbit (Low Earth Orbit, is abbreviated as LEO) communication satellite.Due to its characteristic of synchronizeing with earth rotation, GEO satellite is widely used in the fields such as communication, meteorology, navigation.In theory, 3 120 degree of being separated by be uniformly distributed GEO communication satellite, just can realize global communication overlay.
Satellite frequency track refers to frequency and the residing space orbit of the satellite position that satellite station uses, to start the natural resources that utilized by human development along with the invention of satellite technology, can be prerequisite and the basis that all satellite systems are set up, be also the necessary condition that normally work after satellite system is built up.That is to say there is no the satellite system of the frequency Orbital Support space of cannot hovering.Along with the development of space technology and rolling up of satellite application, satellite frequency resource growing tension.Owing to being subject to antenna reception capabilities limits, same frequency range, overlay area are identical or partly overlapping GEO communication satellite is only had to the certain distance in interval, from the certain angle in Kan Yao interval, ground, earth station just can distinguish the signal of different satellites and realize normal work.Under normal circumstances, between two satellites, need on longitude, be not less than 2 degree in interval, on whole GEO track, conventionally can not exceed 150 with frequency range satellite, GEO communication satellite quantity far can not meet the demand of countries in the world.According to the preliminary statistics, the current mankind are transmitted into aerial various satellites and spacecraft has reached more than 30,000, only in the stationary orbit in overhead, are just moving more than 300 synchronous GEO satellite under the line.They are widely used in the business such as communication, remote sensing, scouting and location, thousands of earth station and car, Shipborne terminal all over the world, utilize satellite carrying out miscellaneous service, play an important role in the field such as economic, military, satellite frequency track resources imbalance between supply and demand day is aobvious outstanding.
Along with the utilization of various countries to GEO track, GEO satellite demand increases day by day, and its rail position also becomes is becoming tight day, therefore, can adopt " multisatillite colocation " mode to solve the problem of track rail position resource anxiety.Multisatillite colocation refers at a fixed position places two or multi-satellite, by the control of track is made they in running within given track section (fixed position ± 0.1 degree near), require can not mutually collide and disturb between satellite simultaneously.Wherein prevent that the collision between star from being the most basic condition.Conventional common method for position has the isolation of mean longitude degree, eccentricity isolation and inclination angle isolation etc., but these common method for position discomforts amount to an identical situation of satellite communication frequency range.
From the above analysis, be necessary to provide the communication satellite round-the-clock communication means of seeking the common position of same-frequency satellite to support the businessization of satellite communication to move.
2002, the Chinese mugwort auspicious academician of state of the Chinese Academy of Sciences heads the list of signers to have invented the navigation system (number of patent application: CN200410046064.1 based on communication satellite, denomination of invention: transponder satellite communication navigation positioning system, inventor: Ai Guoxiang, execute that waterside is vertical, Wu Haitao, Yan Yihua, Bian Yujing, Hu Yonghui, Li Zhigang, Guo Ji, Cai Xiande, on July 29th, 2009 obtains the authorization).This invention is used the communication frequency on communication satellite as navigation, having started full range Communication Development becomes the new beginning that full range navigation is communicated by letter.The GEO communication satellite of end of lifetime is adopted to the rail operation of inclining, only keep the east-west direction orbital position of satellite, North and South direction is let alone drift, under the perturbation effect of lunisolar attraction, the drift of GEO communication satellite becomes inclination geostationary orbit (the Slightly Inclined GeoSynchronous Orbit of small inclination, be abbreviated as SIGSO) communication satellite, SIGSO orbit inclination angle is 15 degree to the maximum.Utilize the transponder resource on SIGSO communication satellite, can realize navigation communicating integral (number of patent application: CN 200610055909.2, denomination of invention: the method that transforms small inclination synchronized navigation satellite with retired satellite into, inventor: execute that waterside is vertical, Ai Guoxiang, Chen Jibin, Han Yanben, Geng Jianping, Ma Lihua, on June 3rd, 2009 obtains the authorization).
Prior art does not also have a kind of two above (containing two) SIGSO communication satellite composition constellations that adopt, and can realize the method for the satellite communication of round-the-clock.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of SIGSO communication satellite constellation to realize the method for round-the-clock communication.
Technical scheme of the present invention is:
Utilize SIGSO communication satellite constellation to realize a method for round-the-clock communication, the method comprises the following steps:
Step 1, more than two or two SIGSO communication satellite is positioned over to the position, common position of more than two or two GEO communication satellite, utilizes more than two or two SIGSO communication satellite composition SIGSO communication satellite constellation;
The orbit of step 2, every described SIGSO communication satellite comprises two parts outside upper and lower 2 degree of the equatorial plane and within upper and lower 2 degree of the equatorial plane,
In the time that a SIGSO communication satellite in described SIGSO communication satellite constellation is outside upper and lower 2 degree of the equatorial plane, satellite communication earth station utilizes the transponder of this SIGSO communication satellite to carry out communications applications;
In the time that a SIGSO communication satellite in described SIGSO communication satellite constellation is within upper and lower 2 degree of the equatorial plane, satellite communication earth station is switched to communication service on the transponder of adjacent S IGSO communication satellite, utilizes the transponder of adjacent S IGSO communication satellite to carry out communications applications;
For fear of the homogenous frequency signal that disturbs communication satellite on GEO rail position, place, in the time that SIGSO communication satellite is within upper and lower 2 degree of the equatorial plane, close the transponder of this SIGSO communication satellite;
Step 3, satellite communication earth station utilize this SIGSO communication satellite constellation to realize the satellite communication of round-the-clock.
Further, described SIGSO communication satellite obtains for rail that GEO communication satellite is implemented to incline operates, and the orbital position of only implementing east-west direction keeps, and carries the Transparent Transponder or the processing transponder that can be used for satellite communication on SIGSO communication satellite.
Further, the described position, common position that SIGSO communication satellite is positioned over to GEO communication satellite is for being placed into SIGSO communication satellite GEO communication satellite rail position near the window degree of longitudinal ± 0.1.
Further, described SIGSO communication satellite orbit inclination angle should be more than or equal to 4 degree, and described two above (containing two) form constellation by an orbit determination potential difference SIGSO communication satellite, and rail potential difference should meet:
ΔL＞2sin
-1(sin2°sini)
Wherein, i is the minimum orbit inclination angle of adjacent two SIGSO communication satellites.
Further, described satellite communication earth station comprises fixed earth station, can move earth station and mobile earth station.
Further, described Transparent Transponder is to receive after the signal that ground station sends, and except carrying out, low noise amplification, frequency conversion, power amplification, not doing any processing, is a transponder that only completes merely signal of communication and forward task.
Further, described processing transponder is to receive after the signal that ground station sends, and decapacitation forwards outside signal of communication, also has the transponder that signal of communication is carried out to processing capacity.
Further, described mobile earth station is Shipborne terminal, airborne vehicle mounted terminal, car-mounted terminal, fixed terminal, portable terminal and hand-held set.
Advantage and good effect that the present invention has are:
Utilize two (or more than) SIGSO communication satellite composition constellations, in the time that a SIGSO communication satellite is unavailable, be switched on other SIGSO communication satellite, realize round-the-clock communication, the coordination of the rail position, space that can effectively avoid is used problem.
Brief description of the drawings
Fig. 1 is the flow chart that a kind of SIGSO of utilization communication satellite of the present invention constellation is realized the method for round-the-clock communication.
Fig. 2 is the rail potential difference schematic diagram of adjacent two SIGSO communication satellites of the inventive method: wherein; Abscissa is the minimum value at two SIGSO communication satellite orbit inclination angles, and ordinate is the rail potential difference of adjacent two SIGSO communication satellites.
Embodiment
As shown in Figure 1, a kind of SIGSO of utilization communication satellite of the present invention constellation is realized the method for round-the-clock communication, and the method comprises the following steps:
Step 1, more than two or two SIGSO communication satellite is positioned over to the position, common position of more than two or two GEO communication satellite, utilizes more than two or two SIGSO communication satellite composition SIGSO communication satellite constellation; Described SIGSO communication satellite obtains for rail that GEO communication satellite is implemented to incline operates, and the orbital position of only implementing east-west direction keeps, and carries the Transparent Transponder or the processing transponder that can be used for satellite communication on SIGSO communication satellite; Described Transparent Transponder is to receive after the signal that ground station sends, and except carrying out, low noise amplification, frequency conversion, power amplification, not doing any processing, is a transponder that only completes merely signal of communication and forward task; Described processing transponder is to receive after the signal that ground station sends, and decapacitation forwards outside signal of communication, also has the transponder that signal of communication is carried out to processing capacity; The described position, common position that SIGSO communication satellite is positioned over to GEO communication satellite is for being placed into SIGSO communication satellite GEO communication satellite rail position near the window degree of longitudinal ± 0.1;
The orbit of step 2, every described SIGSO communication satellite comprises two parts outside upper and lower 2 degree of the equatorial plane and within upper and lower 2 degree of the equatorial plane,
Described SIGSO communication satellite orbit inclination angle should be more than or equal to 4 degree, and described two above (containing two) form constellation by an orbit determination potential difference SIGSO communication satellite, and rail potential difference should meet:
ΔL＞2sin
-1(sin2°sini)
Wherein, i is the minimum orbit inclination angle of adjacent two SIGSO communication satellites;
In the time that a SIGSO communication satellite in described SIGSO communication satellite constellation is outside upper and lower 2 degree of the equatorial plane, satellite communication earth station utilizes the transponder of this SIGSO communication satellite to carry out communications applications;
In the time that a SIGSO communication satellite in described SIGSO communication satellite constellation is within upper and lower 2 degree of the equatorial plane, according to satellite orbit dynamic law, under the perturbation effects such as life, adjacent S IGSO communication satellite is outside upper and lower 2 degree of the equatorial plane, satellite communication earth station is switched to communication service on the transponder of adjacent S IGSO communication satellite, utilizes the transponder of adjacent S IGSO communication satellite to carry out communications applications;
For fear of the homogenous frequency signal that disturbs communication satellite on GEO rail position, place, in the time that SIGSO communication satellite is within upper and lower 2 degree of the equatorial plane, close the transponder of this SIGSO communication satellite;
Described satellite communication earth station comprises fixed earth station, can move earth station and mobile earth station;
Step 3, satellite communication earth station utilize this SIGSO communication satellite constellation to realize the satellite communication of round-the-clock; Described mobile earth station is Shipborne terminal, airborne vehicle mounted terminal, car-mounted terminal, fixed terminal, portable terminal and hand-held set.
Above one embodiment of the present of invention are had been described in detail, but described content is only preferred embodiment of the present invention, can not be considered to for limiting practical range of the present invention.All equalization variation and improvement etc. of doing according to the present patent application scope, within all should still belonging to patent covering scope of the present invention.
Claims (8)
1. utilize SIGSO communication satellite constellation to realize a method for round-the-clock communication, it is characterized in that,
The method comprises the following steps:
Step 1, more than two or two SIGSO communication satellite is positioned over to the position, common position of more than two or two GEO communication satellite, utilizes more than two or two SIGSO communication satellite composition SIGSO communication satellite constellation;
The orbit of step 2, every described SIGSO communication satellite comprises two parts outside upper and lower 2 degree of the equatorial plane and within upper and lower 2 degree of the equatorial plane,
In the time that a SIGSO communication satellite in described SIGSO communication satellite constellation is outside upper and lower 2 degree of the equatorial plane, satellite communication earth station utilizes the transponder of this SIGSO communication satellite to carry out communications applications;
In the time that a SIGSO communication satellite in described SIGSO communication satellite constellation is within upper and lower 2 degree of the equatorial plane, satellite communication earth station is switched to communication service on the transponder of adjacent S IGSO communication satellite, utilizes the transponder of adjacent S IGSO communication satellite to carry out communications applications;
For fear of the homogenous frequency signal that disturbs communication satellite on GEO rail position, place, in the time that SIGSO communication satellite is within upper and lower 2 degree of the equatorial plane, close the transponder of this SIGSO communication satellite;
Step 3, satellite communication earth station utilize this SIGSO communication satellite constellation to realize the satellite communication of round-the-clock.
2. a kind of SIGSO of utilization communication satellite constellation according to claim 1 is realized the method for round-the-clock communication, it is characterized in that, described SIGSO communication satellite obtains for rail that GEO communication satellite is implemented to incline operates, the orbital position of only implementing east-west direction keeps, and carries the Transparent Transponder or the processing transponder that can be used for satellite communication on SIGSO communication satellite.
3. a kind of SIGSO of utilization communication satellite constellation according to claim 1 is realized the method for round-the-clock communication, it is characterized in that, the described position, common position that SIGSO communication satellite is positioned over to GEO communication satellite is for being placed into SIGSO communication satellite GEO communication satellite rail position near the window degree of longitudinal ± 0.1.
4. a kind of SIGSO of utilization communication satellite constellation according to claim 1 is realized the method for round-the-clock communication, it is characterized in that, described SIGSO communication satellite orbit inclination angle should be more than or equal to 4 degree, described two above (containing two) form constellation by an orbit determination potential difference SIGSO communication satellite, and rail potential difference should meet:
ΔL＞2sin
-1(sin2°sini)
Wherein, i is the minimum orbit inclination angle of adjacent two SIGSO communication satellites.
5. a kind of SIGSO of utilization communication satellite constellation according to claim 1 is realized the method for round-the-clock communication, it is characterized in that, described satellite communication earth station comprises fixed earth station, can move earth station and mobile earth station.
6. a kind of SIGSO of utilization communication satellite constellation according to claim 2 is realized the method for round-the-clock communication, it is characterized in that, described Transparent Transponder is to receive after the signal that ground station sends, except carrying out low noise amplification, frequency conversion, power amplification, not doing any processing, is the transponder that only completes merely signal of communication forwarding task.
7. a kind of SIGSO of utilization communication satellite constellation according to claim 2 is realized the method for round-the-clock communication, it is characterized in that, described processing transponder is to receive after the signal that ground station sends, and decapacitation forwards outside signal of communication, also has the transponder that signal of communication is carried out to processing capacity.
8. a kind of SIGSO of utilization communication satellite constellation according to claim 5 is realized the method for round-the-clock communication, it is characterized in that, described mobile earth station is Shipborne terminal, airborne vehicle mounted terminal, car-mounted terminal, fixed terminal, portable terminal and hand-held set.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109547094A (en) * | 2018-12-06 | 2019-03-29 | 安徽站乾科技有限公司 | A kind of ground station tracking based on satellite communication |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0059454A2 (en) * | 1981-02-28 | 1982-09-08 | Siemens Aktiengesellschaft | Communication satellite system in geostationary loop positions |
| US20010045494A1 (en) * | 2000-01-07 | 2001-11-29 | Higgins Robert P. | Method for limiting interference between satellite communications systems |
| CN103888183A (en) * | 2014-03-28 | 2014-06-25 | 中国科学院国家天文台 | Method for achieving all-weather communication by means of two IGSO communication satellites |
-
2014
- 2014-09-18 CN CN201410479390.5A patent/CN104202079A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0059454A2 (en) * | 1981-02-28 | 1982-09-08 | Siemens Aktiengesellschaft | Communication satellite system in geostationary loop positions |
| US20010045494A1 (en) * | 2000-01-07 | 2001-11-29 | Higgins Robert P. | Method for limiting interference between satellite communications systems |
| CN103888183A (en) * | 2014-03-28 | 2014-06-25 | 中国科学院国家天文台 | Method for achieving all-weather communication by means of two IGSO communication satellites |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109547094A (en) * | 2018-12-06 | 2019-03-29 | 安徽站乾科技有限公司 | A kind of ground station tracking based on satellite communication |
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