CN100391124C - A non-static orbiting satellite communication access method - Google Patents
A non-static orbiting satellite communication access method Download PDFInfo
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- CN100391124C CN100391124C CNB2003101098564A CN200310109856A CN100391124C CN 100391124 C CN100391124 C CN 100391124C CN B2003101098564 A CNB2003101098564 A CN B2003101098564A CN 200310109856 A CN200310109856 A CN 200310109856A CN 100391124 C CN100391124 C CN 100391124C
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- satellite
- communication terminal
- satellite communication
- communication
- terminal
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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
Abstract
The present invention provides an access method for non-stationary orbit communication, in which a registered user table and a table of communication data to be transmitted are established in a communication controller on the satellite through loading an ephemeris and position information on a communication terminal. Besides, a simple response protocol is established between terminals and receivers/transmitters on the satellite. Thus, the reliability and the communication efficiency of a non-stationary orbit satellite communication system are improved, power consumption of the terminal and the satellite receivers/transmitters are simultaneously saved, a control system for receivers/transmitters on a satellite is simplified, and the memory capacity requirement is reduced. Therefore, real-time communication can be realized when a transmission terminal user and a destination user are in an area covered by the same satellite. When the transmission terminal user and the destination user are not in an area covered by the same satellite, reliable store and forward communication can be realized.
Description
Technical field
The present invention relates to satellite communication, particularly a kind of non-geo satellite communication access method.
Background technology
For the satellite communication system of non-geostationary orbit, because satellite around earth movements, makes that the relative position relation between satellite communication terminal and the satellite is on the turn all the time.Satellite communication terminal comprises the target terminal user that needs the originating subscriber of transmission information terminal and need reception information.
How between satellite communication terminal and satellite and satellite communication terminal, set up communication link effectively reliably, become the key issue that the satellite communication system of non-geostationary orbit must solve.Existing satellite communication cut-in method is based on response relation complicated between terminal and the satellite and sets up communication link, yet, for burst satellite communication user, owing to there is not clear and definite communication schedule, guarantee to communicate by letter successfully, terminal and satellite receiver must be in open state all the time, cause that communication efficiency is low, power supply power consumption is big, the demanding problem of memory space on the star.The present invention can improve the reliability and the communication efficiency of non-geo satellite communication system, can save the power consumption of user terminal and satellite receiver simultaneously, simplifies the control system and the memory capacity requirement of transceiver on the star.
Summary of the invention
Technical problem to be solved by this invention is to overcome above-mentioned technological deficiency, a kind of power supply power consumption that improves reliability and communication efficiency, saving user terminal and the satellite receiver of non-geo satellite communication system is provided, thereby simplifies the control system of transceiver on the star and the method that memory capacity requires.
In order to address the above problem, non-geo satellite communication access method provided by the invention is to load ephemeris and positional information at satellite communication terminal, on star, set up registered user's table in the communication controler and wait to transmit the communication data table, satellite communication terminal is extrapolated passing by the time of satellite according to satellite orbit and positional information own that ephemeris provides, when satellite did not pass by, the terminal transceiver was in off state; When satellite passes by, satellite communication terminal sends the confirmation of receipt signal to satellite transmission registration signal, satellite to satellite communication terminal, during the transmission data, satellite communication terminal sends answer signal to satellite transmission data, satellite to terminal, and in registered user's table, carry out satellite communication terminal ID number inquiry, after discovery has identical ID number satellite communication terminal, begin to send the data of waiting to transmit in the communication data table to be transmitted, realize the simple response protocol between the transceiver on satellite communication terminal and the star.
In order to solve the high requirement of memory space on the star, but when the call duration time length timer of registered user in registered user's table on the star is zero, this row content of deletion in the registration table on star.
Non-geo satellite communication access method provided by the invention, in the area of coverage time, this method can realize real time communication under same star for originating subscriber and targeted customer; When originating subscriber and targeted customer during the area of coverage, can not realize that then communication is transmitted in storage reliably, thereby improve the power supply power consumption of reliability with communication efficiency, saving user terminal and the satellite receiver of non-geo satellite communication system under same star.The present invention can be directly used in the repeat communication system of regenerating on the star, be suitable for too for the transparent forwarding communication system, as long as with the registered user of communication control system on star table with wait to transmit the communication data table and transfer to satellite communication base station, ground, access communications is carried out in the direct via satellite and base station of satellite communication terminal this moment.
Embodiment
At first inject the ephemeris of non-geo satellite in satellite communication terminal, the ephemeris of non-geo satellite is six preliminary orbit radicals and time parameter (for example, adopting the J2000 inertial system), and preliminary orbit radical content format can followingly be represented:
F12.3 track semi-major axis a, unit: rice
F12.10 orbital eccentricity e
F12.8 orbit inclination angle i, unit: degree
The red footpath Ω of F12.8 ascending node, unit: degree
F12.8 argument of perigee ω, unit: degree
F12.8 mean anomaly M, unit: degree
Simultaneously, obtain the longitude and latitude positional information of satellite communication terminal itself, this positional information form content by navigation system or artificial input mode: longitude (unit is degree), latitude (unit is degree), elevation (unit be meter).Like this, satellite orbit and positional information own that satellite communication terminal provides according to ephemeris, and extrapolate passing by the time of satellite by the orbit prediction model, and each satellite communication terminal is specified identity (ID) identifier of a uniqueness in advance by control centre.When satellite did not pass by, the terminal transceiver was in off state, had only timer in work, and this moment, satellite communication terminal was in battery saving mode.
When satellite passes by, the terminal Auto Power On, and to the satellite transmission log-on message, comprise in this information this satellite communication terminal identification number (ID number) but, this satellite communication terminal is in information such as length this satellite passes by turn-on time, concrete endpoint registration subscriber's meter thes contents are as follows:
| This Termination ID number | But call duration time length when this terminal is passed by at this satellite |
If do not receive the registration reply signal in the time-out time of regulation, this satellite communication terminal continues to the satellite transmission log-on message.This moment, satellite communication terminal was in the state of automatic reception satellite downlink data.Issue the data of this satellite communication terminal if receive satellite, then receive confirmation from trend satellite transmission data.If satellite communication terminal has data to send, then to the satellite transmission data, these data should comprise identification number ID number of targeted customer.If do not receive answer signal in the time-out time of regulation, satellite communication terminal continues to the satellite transmission data message.
In addition, set up the time control form of two routes that are used to communicate by letter in Satellite Communications Control System, one be that the registered user shows on the star, and another is for waiting to transmit the communication data table.But on the star registered user show that every row comprises registered users ID number and this user's call duration time length timer (this timer reduces automatically with clock, form was deleted this row content automatically when clocking value was zero), if any m registered user, then this table has m capable, sees table:
| Registered users ID1 | But this user's call duration time length timer 1 |
| …… | …… |
| Registered users IDm | But this user's call duration time length timer m |
Wait to transmit the communication data table, every row comprises originating subscriber ID number, targeted customer ID number and data to be transmitted, and has n capable if any n this table of data to be transferred, sees table:
| Targeted customer ID1 | Originating subscriber ID1 | Data to be transmitted content 1 |
| …… | …… | …… |
| Targeted customer IDn | Originating subscriber IDn | Data to be transmitted content n |
Satellite is injected into registered user's table with the user's registration information that receives, and sends the signal that succeeds in registration to this satellite communication terminal simultaneously; If receive the data to be transmitted of certain satellite communication terminal, then originating subscriber ID number, targeted customer ID number and data to be transmitted are injected into tables of data to be transmitted, and send Data Receiving to originating subscriber and become function signal.Communication controler circulation in registered user table searches the Target id waiting to transmit in the tables of data number, after finding identical ID number, satellite transmitter begins the data to be transmitted in the transmission table, the reception of receiving the targeted customer in the overtime length of regulation becomes function signal then to show the data forwarding success, automatically will wait to transmit this content deletion in the tables of data, if confiscate answer signal, this communication failure is described, restart to transmit next time.Above-mentioned time parameter form is as follows:
I4
The I2 month
I2 day
During I2
The I2 branch
F6.3 second
According to the simple response protocol between the transceiver on satellite communication terminal that this method proposed and the star, can guarantee communicating by letter between the transceiver on satellite communication terminal and the star.
Flesh and blood of the present invention is not limited by the mode of the foregoing description, can content according to the present invention do many variations as those skilled in the art, but this variation should be within the protection range of claims.
Claims (8)
1. non-geo satellite communication access method, it is characterized in that, load ephemeris and positional information at satellite communication terminal, on star, set up registered user's table in the communication controler and wait to transmit the communication data table, satellite communication terminal is extrapolated passing by the time of satellite according to satellite orbit and positional information own that ephemeris provides, when satellite did not pass by, the terminal transceiver was in off state; When satellite passes by, satellite communication terminal sends the confirmation of receipt signal to satellite transmission registration signal, satellite to satellite communication terminal, during the transmission data, satellite communication terminal sends answer signal to satellite transmission data, satellite to terminal, and in registered user's table, carry out satellite communication terminal ID number inquiry, after discovery has identical ID number satellite communication terminal, begin to send the data of waiting to transmit in the communication data table to be transmitted, realize the simple response protocol between the transceiver on satellite communication terminal and the star.
2. the method for claim 1 is characterized in that, described ephemeris comprises preliminary orbit radical and time parameter.
3. method as claimed in claim 2 is characterized in that, described ephemeris comprises six preliminary orbit parameters.
4. the method for claim 1 is characterized in that, but described registered user table comprises ID number of identification number of satellite communication terminal and satellite communication terminal in length turn-on time that this satellite passes by.
5. method as claimed in claim 4 is characterized in that, but described registered user shows that every row comprises registered users ID number and this user's call duration time length timer, and if any m registered user, then this table has m capable.
6. the method for claim 1 is characterized in that, describedly waits to transmit the identification number of identification number that the communication data table comprises target terminal, originating subscriber and waits to transmit the communication data content.
7. method as claimed in claim 5 is characterized in that, describedly waits to transmit the every row of communication data table and comprises originating subscriber ID number, targeted customer ID number and data content waiting for transmission, and if any n data content waiting for transmission, then this table has n capable.
8. method as claimed in claim 5 is characterized in that, but when the call duration time length timer of registered user in registered user's table on the star is zero, this row content of deletion in the registration table on star.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101098564A CN100391124C (en) | 2003-12-30 | 2003-12-30 | A non-static orbiting satellite communication access method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101098564A CN100391124C (en) | 2003-12-30 | 2003-12-30 | A non-static orbiting satellite communication access method |
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| Publication Number | Publication Date |
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| CN1635716A CN1635716A (en) | 2005-07-06 |
| CN100391124C true CN100391124C (en) | 2008-05-28 |
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| CNB2003101098564A Expired - Fee Related CN100391124C (en) | 2003-12-30 | 2003-12-30 | A non-static orbiting satellite communication access method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106549703B (en) * | 2016-10-26 | 2019-09-06 | 北京邮电大学 | The method and system of Incorporate network medium and low earth orbit satellites communication |
| CN106646517B (en) * | 2016-10-31 | 2019-02-26 | 电子科技大学 | The method of Pilot channel transmissions ephemeris information based on low rail telecommunication satellite |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5392287A (en) * | 1992-03-05 | 1995-02-21 | Qualcomm Incorporated | Apparatus and method for reducing power consumption in a mobile communications receiver |
| US6147644A (en) * | 1996-12-30 | 2000-11-14 | Southwest Research Institute | Autonomous geolocation and message communication system and method |
| CN1316652A (en) * | 2000-01-26 | 2001-10-10 | 松下电工株式会社 | Help request treatment system for location of requestor using GPS data |
| US20030048229A1 (en) * | 2001-09-10 | 2003-03-13 | John Schmid | Using satellite ephemeris data to dynamically position an earth station antenna |
| CN1130855C (en) * | 1995-12-07 | 2003-12-10 | 维斯塔电信公司 | Wireless packet data distributed communications system |
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2003
- 2003-12-30 CN CNB2003101098564A patent/CN100391124C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5392287A (en) * | 1992-03-05 | 1995-02-21 | Qualcomm Incorporated | Apparatus and method for reducing power consumption in a mobile communications receiver |
| CN1130855C (en) * | 1995-12-07 | 2003-12-10 | 维斯塔电信公司 | Wireless packet data distributed communications system |
| US6147644A (en) * | 1996-12-30 | 2000-11-14 | Southwest Research Institute | Autonomous geolocation and message communication system and method |
| CN1316652A (en) * | 2000-01-26 | 2001-10-10 | 松下电工株式会社 | Help request treatment system for location of requestor using GPS data |
| US20030048229A1 (en) * | 2001-09-10 | 2003-03-13 | John Schmid | Using satellite ephemeris data to dynamically position an earth station antenna |
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| CN1635716A (en) | 2005-07-06 |
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