CN100391124C - A non-static orbiting satellite communication access method - Google Patents

A non-static orbiting satellite communication access method Download PDF

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CN100391124C
CN100391124C CN 200310109856 CN200310109856A CN100391124C CN 100391124 C CN100391124 C CN 100391124C CN 200310109856 CN200310109856 CN 200310109856 CN 200310109856 A CN200310109856 A CN 200310109856A CN 100391124 C CN100391124 C CN 100391124C
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satellite
table
terminal
user
communication
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CN1635716A (en
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余金培
刘会杰
张朝阳
李国通
李守臣
李广侠
杨根庆
杨龙根
梁旭文
汪宏武
管恩平
葛小慧
虎 蒋
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上海微小卫星工程中心
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THIR OWN ENERGY USE
    • Y02D70/00Techniques for reducing energy consumption in wireless communication networks

Abstract

本发明提供的非静止轨道通信接入方法通过在通信终端加载星历表与位置信息,在星上通信控制器中建立注册用户表与待转发通信数据表,并在终端与星上收发机之间制定简单应答协议,可提高非静止轨道卫星通信系统的可靠性与通信效率,同时节省终端与卫星收发机功耗,简化星上收发机控制系统与存贮容量要求。 Nongeostationary access communication method of the present invention provides a communication terminal by loading the ephemeris information with the position, registered user to establish the communication data table and the forwarding table to be in the on-board communication controller and the transceiver of the terminal and the satellite response protocol between a simple formulation, can improve the reliability and efficiency of the non-geostationary orbit communication satellite communication system while saving power consumption of the terminal and the satellite transceiver, a satellite transceiver simplified control system and storage capacity requirements. 发端用户与目标用户在同一星下覆盖区内时可实现实时通信;发端用户与目标用户同不在同一星下覆盖区时,可实现可靠的存储转发通信。 The originating user and the target user can achieve real-time communication in the same coverage area when the star; when the originating user and the target user is not in the same coverage under the same star, dependable store and forward communications.

Description

一种非静止轨道卫星通信接入方法 A non-stationary orbit satellite communications access method

技术领域 FIELD

本发明涉及卫星通信,特别涉及一种非静止轨道卫星通信接入方法。 The present invention relates to satellite communications, particularly to a non-geostationary orbit satellite communication access method. 背景技术 Background technique

对于非静止轨道的卫星通信系统,由于卫星绕地球运动,使得卫星通信终端与卫星之间的相对位置关系始终在变化之中。 For a non-geostationary orbit satellite communication system, since the satellite around the earth, so that the relative positional relationship between the satellite communication terminal to the satellite is always changing. 卫星通信终端包括需要发送信息的发端用户终端与需要接收信息的目标用户终端。 Satellite communication terminal including the originating user terminal needs to send information to the target user terminal needs to receive information.

如何在卫星通信终端与卫星及卫星通信终端之间建立有效可靠的通信链路,成为非静止轨道的卫星通信系统必须解决的关键问题。 How to establish effective and reliable communications link between the satellite and satellite communication terminals and satellite communication terminal, a key issue of non-geostationary orbit satellite communication system must be addressed. 现有的卫星通信接入方法是基于终端与卫星之间复杂的应答关系建立通信链路,然而,对于突发卫星通信用户,由于没有明确的通信时间表,要确保通信成功,终端与卫星收发机必须始终处在开机状态,造成通信效率低、电源功耗大、星上存储量要求高的问题。 Conventional satellite communications access method is based on the complexity of establishing a communications link between the terminal and the satellite-response relationship, however, for the burst satellite communication users, since there is no clear communication schedule, to ensure successful communication, a satellite transceiver terminal machine must always be in a boot state, resulting in low traffic efficiency, large power consumption, the amount of storage on Star requirements high. 本发明可以提高非静止轨道卫星通信系统的可靠性与通信效率,同时可以节省用户终端与卫星收发机的功耗,简化星上收发机的控制系统与存贮容量要求。 The present invention can improve the reliability and efficiency of the non-geostationary orbit communication satellite communication system, while saving the power consumption of the user terminal and the satellite transceiver, simplifying the control system and storage capacity requirements on the satellite transceiver.

发明内容 SUMMARY

本发明所要解决的技术问题是克服上述技术缺陷,提供一种提高非静止轨道卫星通信系统的可靠性与通信效率、节省用户终端与卫星收发机的电源功耗,从而简化星上收发机的控制系统与存贮容量要求的方法。 The present invention is to overcome the above technical problem is technical defects, provide an improved non-GSO satellite communication system reliability and communication efficiency, save power consumption of the user terminal and the satellite transceiver, thereby simplifying the control of the satellite transceiver the method and system memory capacity requirements. 为了解决上述问题,本发明提供的非静止轨道卫星通信接入方法是在卫星通信终端加载星历表与位置信息,在星上通信控制器中建立注册用户表与待转发通信数据表,卫星通信终端根据星历表提供的卫星轨道及本身的位置 To solve the above problems, the satellite orbit non-geostationary communications access method of the present invention is to provide a loading position and ephemeris information of the satellite communication terminal, establishing a communications controller user table registered in the satellite communications to be forwarded with the data table, satellite communication the terminal provides ephemeris satellite orbit and position itself

信息推算出卫星的过境时间,卫星没有过境时,终端收发机处于关断状态; Information calculate transit time of the satellite, the satellite is not in transit, the terminal transceiver is in an off state;

卫星过境时,卫星通信终端向卫星发送注册信号、卫星向卫星通信终端发送接收确认信号,传输数据时,卫星通信终端向卫星发送数据、卫星向终端发 When satellites transit, satellite communication terminal sends a registration signal to a satellite, the satellite transmits a reception confirmation signal, when transmitting data, the satellite communication terminal transmits data to the satellite communication terminal to a satellite, the satellite terminal to send

送应答信号,并在注册用户表中进行卫星通信终端ID号的査询,在发现具有相同ID号的卫星通信终端后开始发送待转发通信数据表中的待转发数据,实现卫星通信终端与星上收发机之间的简单应答协议。 Response signal transmission, satellite communication terminal and a query ID number registered in the user table, after the discovery of the satellite communication terminal having the same ID number to be forwarded to start sending the communication data table data to be forwarded, satellite communication terminal to realize star simple response protocol between the transceivers.

为了解决星上存储量高的要求,当星上注册用户表中注册用户的可通信时间长度计时器为零时,在星上注册表中删除该行内容。 In order to solve the star requires a high storage capacity, when the registered user registered in the user table on the satellite communication time length of the timer may be zero, the contents delete the row star registry.

本发明提供的非静止轨道卫星通信接入方法,发端用户与目标用户在同 Satellite orbit non-geostationary communication access method of the present invention provides the originating user and the target user in the same

一星下覆盖区内时,本方法可实现实时通信;当发端用户与目标用户不在同一星下覆盖区时,则可实现可靠的存储转发通信,从而提高了非静止轨道卫星通信系统的可靠性与通信效率、节省用户终端与卫星收发机的电源功耗。 When the coverage area of ​​a satellite, the method enabling real-time communication; when the originating user and the target user is not the same satellite coverage area, the store and forward can be achieved reliable communication, thereby improving the orbit non-geostationary satellite communication system reliability and communication efficiency, save power consumption of the user terminal and the satellite transceiver. 本发明可直接用于星上再生转发通信系统,对于透明转发通信系统也同样适用,只要将星上通信控制系统的注册用户表与待转发通信数据表转移到地面卫星通信基站即可,此时卫星通信终端通过卫星直接与基站进行接入通信。 The present invention can be used directly reproducing the star forward communication system, a communication system for transparent forwarding is also applicable, as long as the satellite communication control system to be a registered user table to forward the communication data table is transferred to the ground station to satellite communications, this time satellite communication terminal for access to communicate with base stations via satellite directly.

具体实施方式 Detailed ways

首先在卫星通信终端中注入非静止轨道卫星的星历表,非静止轨道卫星的 First injection orbit satellites in non-geostationary satellite communication terminal ephemeris, orbit non-geostationary satellites

星历表为六个初始轨道根数和时间参数(例如,釆用J2000惯性系),初始轨 Ephemeris initial six orbital elements and time parameters (e.g., J2000 preclude the use of inertial system), the initial track

道根数内容格式可如下表示: SUMMARY track the number format can be expressed as follows:

F12. 3 F12. 10 F12. 8 F12. 8 F12. 8 F12. 8 F12. 3 F12. 10 F12. 8 F12. 8 F12. 8 F12. 8

轨道半长径a ,单位:米轨道偏心率e 轨道倾角i ,单位:度升交点赤径Q ,单位:度近地点幅角co ,单位:度平近点角M , 单位:度 Orbital semi-major axis a, unit: m orbital eccentricity e of the orbit inclination angle i, unit: degree right ascension path Q, unit: degree argument of perigee co, unit: degree mean anomaly M, unit: degree

同时,通过定位系统或人工输入方式获取卫星通信终端本身的经纬度位置信息,该位置信息表格包含内容:经度(单位为度)、纬度(单位为度)、高程(单位为米)。 At the same time, acquired by the positioning system or manual input mode information of latitude and longitude of the satellite communication terminal itself, the location information table contains contents: longitude (in degrees), latitude (in degrees), height (in meters). 这样,卫星通信终端根据星历表提供的卫星轨道及本身的位置信息,并通过轨道预报模型推算出卫星的过境时间,而且每个卫星通信终端预先由控制中心指定一个独特的身份(ID)识别号。 Thus, according to the satellite communication terminal provides ephemeris satellite orbit and the position information itself, and to calculate the transit time of the satellite orbit prediction model by, and each of the satellite communication terminal designated in advance a unique identity (ID) recognized by the control center number. 当卫星没有过境时, 终端收发机处于关断状态,只有计时器在工作,此时卫星通信终端处于省电模式。 When the satellite is not in transit, the transceiver terminal is in an off state, only the timer is working, when the satellite communication terminal is in the power saving mode.

当卫星过境时,终端自动开机,并向卫星发送注册信息,该信息中包含该卫星通信终端的身份号码(ID号)、该卫星通信终端在本次卫星过境的可接通时间长度等信息,具体的终端注册用户表内容如下: When the satellite is in transit, the terminal is automatically switched, and the satellite transmits the registration information, this information includes the identity of the satellite communication terminal number (ID number), the satellite communication terminal in this length may be turned on satellite transit time and other information, specific user terminal registration table as follows:

本终端ID号 This terminal ID number

本终端在本次卫星过境时可通信时间长度 This terminal may be the length of time during this communication satellite transit

如果在规定的超时时间内没有收到注册应答信号,该卫星通信终端继续向卫星发送注册信息。 If no response signal is received within the timeout register a predetermined time, the satellite communication terminal continues to send registration information to the satellite. 此时卫星通信终端处于自动接收卫星下行数据的状态。 At this time, the satellite communication terminal is in a state automatically receives satellite downlink data. 如果收到卫星发给本卫星通信终端的数据,则自动向卫星发送数据收到确认信息。 If the received data addressed to the satellite of the satellite communication terminal is automatically transmitted to a satellite data message received acknowledgment. 如果卫星通信终端有数据要发送,则向卫星发送数据,该数据应包含目标用户的身份号码ID号。 If the satellite communication terminal has data to transmit, the transmission data to a satellite, the data should contain the target user identification number ID. 如果在规定的超时时间内没有收到应答信号,卫星通信终端继续向卫星发送数据信息。 If no response signal is received, the satellite communication terminal within a predetermined timeout period continues to send data to a satellite.

另外,在卫星通信控制系统中建立两个用于通信路由的时间控制表格,一个为星上注册用户表,另一个为待转发通信数据表。 Further, the settling time for the two satellite communication route control table in the communication control system, a registered user table on the satellite, to be forwarded to the other communication data table. 星上注册用户表每行包 Each registered user table row on the satellite package

括已注册用户ID号及该用户可通信时间长度计时器(该计时器随时钟自动减少,计时值为零时表格自动删除该行内容),如有m个注册用户,则该表有m 行,参见下表: Registered users including the user ID number and the communication time length of the timer may be (automatically reduced to clock the timer, the timer value of zero forms automatically delete the row content), if m registered users, the table has m rows , see the following table:

<table>table see original document page 7</column></row> <table>待转发通信数据表,每行包括发端用户ID号、目标用户ID号及待转发的数据,如有n个待传数据该表有n行,参见下表: <Table> table see original document page 7 </ column> </ row> <table> communication data to be forwarded table, each row including the originating user ID, user ID number and the data to be forwarded, be transferred if the n the table has n rows, see table below:

<table>table see original document page 7</column></row> <table>卫星将接收到的用户注册信息注入到注册用户表,同时向该卫星通信终端 <Table> table see original document page 7 </ column> </ row> <table> satellite the received user registration information is injected into the user registration table, and to the satellite communication terminal

发送注册成功信号;如果接收到某卫星通信终端的待转发数据,则将发端用 Sending a registration success signal; if receiving a satellite communication terminal of data to be forwarded, then the originator with

户ID号、目标用户ID号及待转发的数据注入到待转发数据表,并向发端用 User ID number, user ID number and forwards the data to be injected into the data table to be forwarded, by the originator and

户发送数据接收成功信号。 User data reception success signal transmission. 通信控制器在注册用户表中循环查寻待转发数据 The communication controller in the user registration table lookup cycle data to be forwarded

表中的目标ID号,发现相同的ID号后,卫星发射机开始发送表中的待转发 Target ID number in the table, find the same ID number, the satellite transmitter starts transmission of the table to be forwarded

数据,在规定的超时长度内收到目标用户的接收成功信号则表明数据转发成功,自动将待转发数据表中该项内容删除,如果没收到应答信号,说明本次 Data received successfully target user receives signals within the timeout specified length indicates data transfer is successful, will automatically be forwarded to delete the contents of the data table, if no response is received signal, indicating that this

通信失败,重新开始下一次转发。 Communication fails, start again the next time forward. 上述时间参数格式如下: Said time parameter format is as follows:

14 年 14 years

12 月 December

12 日 12th

12 时 12:00

12 分F6, 3 秒 12 minutes F6, 3 seconds

根据本方法所提出的卫星通信终端与星上收发机之间的简单应答协议, 可以确保卫星通信终端与星上收发机之间的通信。 According to a simple response protocol between the satellite communication terminal according to the proposed method and the satellite transceiver, the communication can be ensured between the satellite communication terminal to the satellite transceiver.

本发明的实质内容并不受上述实施例的方式限制,作为本领域的技术人员能根据本发明的内容作许多变化,但这种变化应在权利要求书的保护范围之内。 Substance of the present invention is not restricted manner as the above-described embodiments, as those skilled in the art that many changes can be made in accordance with the present invention, but this change should be within the scope of the appended claims.

Claims (8)

1、一种非静止轨道卫星通信接入方法,其特征在于,在卫星通信终端加载星历表与位置信息,在星上通信控制器中建立注册用户表与待转发通信数据表,卫星通信终端根据星历表提供的卫星轨道及本身的位置信息推算出卫星的过境时间,卫星没有过境时,终端收发机处于关断状态;卫星过境时,卫星通信终端向卫星发送注册信号、卫星向卫星通信终端发送接收确认信号,传输数据时,卫星通信终端向卫星发送数据、卫星向终端发送应答信号,并在注册用户表中进行卫星通信终端ID号的查询,在发现具有相同ID号的卫星通信终端后开始发送待转发通信数据表中的待转发数据,实现卫星通信终端与星上收发机之间的简单应答协议。 1, a non-stationary orbit satellite communications access method, which is characterized in that the satellite communication terminal loading position and ephemeris information, the establishment of communications controller user table registered in the satellite communications to be forwarded with the data table, the satellite communication terminal estimating the ephemeris provides satellite orbit and the position information of itself, a transit time of the satellite, the satellite is not in transit, the terminal transceiver is in an off state; the satellite is in transit, the satellite communication terminal transmits a registration signal to a satellite, the satellite to satellite communications when the terminal sends a reception confirmation signal, the transmission data, the transmission data satellite communication terminal to a satellite, the satellite transmits a response signal to the terminal, and the query satellite communication terminal ID number in a registered user table, find the satellite communication terminal having the same ID number after the transmission starts to be forwarded in the communication data table data to be forwarded, simple reply protocol between the terminal and the satellite communication satellite transceiver.
2、 如权利要求1所述的方法,其特征在于,所述星历表包括初始轨道根数和时间参数。 2. The method as claimed in claim 1, wherein said initial orbit ephemeris includes the number and time parameters.
3、 如权利要求2所述的方法,其特征在于,所述星历表包括六个初始轨道参数。 3. The method as claimed in claim 2, characterized in that said ephemeris orbital parameters comprising an initial six.
4、 如权利要求l所述的方法,其特征在于,所述注册用户表包含卫星通信终端的身份号码的ID号以及卫星通信终端在本次卫星过境的可接通时间长度。 4. A method according to claim l, characterized in that the length of the registration table contains the identification number of the user ID of the satellite communication terminal and the satellite communication terminal in this satellite transit time may be turned on.
5、 如权利要求4所述的方法,其特征在于,所述注册用户表每行包括已注册用户ID号及该用户可通信时间长度计时器,如有m个注册用户,则该表有m行。 5. The method as claimed in claim 4, wherein each said row comprising a registered user table registered user's ID number and the length of time a user may communicate with the timer, if m registered users, the table has m Row.
6、 如权利要求1所述的方法,其特征在于,所述待转发通信数据表包含目标终端的身份号码、发端用户的身份号码和待转发通信数据内容。 6. The method as claimed in claim 1, wherein said communication data to be forwarding table contains the identity number of the destination terminal, the originating user's ID number and the content of the communication data to be forwarded.
7、 如权利要求5所述的方法,其特征在于,所述待转发通信数据表每行包括发端用户ID号、目标用户ID号及待传输的数据内容,如有n个待传输的数据内容,则该表有n行。 7. The method as claimed in claim 5, wherein said communication data to be forwarded table each row comprises data content originating user ID, and user ID number to be transmitted, if the content of n data to be transmitted , the table has n rows.
8、 如权利要求5所述的方法,其特征在于,当星上注册用户表中注册用户的可通信时间长度计时器为零时,在星上注册表中删除该行内容。 8. A method as claimed in claim 5, wherein, when the registered user registered in the user table on the satellite communication time length of the timer may be zero, the contents delete the row star registry.
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