WO2018148919A1 - 一种利用回归轨道实施通信的卫星星座实现方法 - Google Patents

一种利用回归轨道实施通信的卫星星座实现方法 Download PDF

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Publication number
WO2018148919A1
WO2018148919A1 PCT/CN2017/073854 CN2017073854W WO2018148919A1 WO 2018148919 A1 WO2018148919 A1 WO 2018148919A1 CN 2017073854 W CN2017073854 W CN 2017073854W WO 2018148919 A1 WO2018148919 A1 WO 2018148919A1
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satellite
orbit
determining
satellites
geostationary
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PCT/CN2017/073854
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English (en)
French (fr)
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靳瑾
晏坚
匡麟玲
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清华大学
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Priority to CN201780001218.0A priority Critical patent/CN107980210B/zh
Priority to US15/779,326 priority patent/US11101881B2/en
Priority to PCT/CN2017/073854 priority patent/WO2018148919A1/zh
Priority to EP17870648.7A priority patent/EP3389195A4/en
Publication of WO2018148919A1 publication Critical patent/WO2018148919A1/zh

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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
    • H04B7/18521—Systems of inter linked satellites, i.e. inter satellite service
    • 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
    • H04B7/1851—Systems using a satellite or space-based relay
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00—Cosmonautic vehicles
    • B64G1/10—Artificial satellites; Systems of such satellites; Interplanetary vehicles
    • B64G1/1007—Communications satellites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00—Cosmonautic vehicles
    • B64G1/10—Artificial satellites; Systems of such satellites; Interplanetary vehicles
    • B64G1/1085—Swarms and constellations
    • 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
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18519—Operations control, administration or maintenance
    • 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
    • H04B7/18541—Arrangements for managing radio, resources, i.e. for establishing or releasing a connection for handover of resources

Definitions

  • the present invention relates to the field of satellite communication technologies, and more particularly to a satellite constellation implementation method for performing communication using a return orbit in a globally covered non-stationary orbit communication constellation.
  • Satellite Internet is the best and only choice for the Internet to evolve into space. Considering the limitation of synchronous orbital position, the non-geostationary satellite constellation network will become an important part of the satellite Internet.
  • the O3b network system built by Google Company adopts an equatorial orbit with a 0° inclination angle.
  • the orbital height is 8062Km.
  • the total throughput of each satellite is 12GBit/s.
  • the main coverage area of the O3b constellation is between 40° north and south;
  • OneWeb proposes to provide satellite Internet services with a group of low-Earth orbit satellites, which will launch 720 satellites to complete the initial construction, and may launch another 1972 satellites in the end to complete the final Constellation.
  • Its orbital height is about 1200Km
  • the orbital inclination is about 88°, it is expected to be built during 2017-2020
  • the coverage area is global coverage
  • the next-generation comet system constellation consists of 66 satellites, and there are 6 on-orbit spare satellites and 9 A ground spare satellite.
  • Its orbital height is 781Km, the orbital inclination is about 86.4°, and the coverage area is global coverage.
  • the design methods of the constellations of non-stationary orbit communication satellites face the problem of coexistence with the geostationary orbit satellites.
  • the coordination and allocation of spatial communication spectrum resources is organized and managed by the International Telecommunications Union (ITU).
  • ITU International Telecommunications Union
  • the geostationary orbit satellite system has priority over non-geost orbit satellite systems, which need to perform frequency domain coexistence analysis with GSO satellite systems to ensure that no harmful interference is caused to thousands of GSO satellites in orbit. . It is extremely difficult to obtain the final frequency license.
  • an object of the present invention is to provide a satellite constellation implementation method for implementing communication by using a regression orbit, which utilizes the regression characteristics of the regression orbit to realize on-demand coverage of key areas and reduce co-channel interference to geostationary orbit satellites through parameter design.
  • a satellite constellation implementation method for implementing communication by using a regression orbit which comprises the following steps: 1) determining a regression period and a semi-major axis of the orbit, and an inclination of the orbit, orbit Eccentricity and perigee angle; 2) According to multiple coverage requirements and mission costs, determine the number of satellites and the number of orbital planes are n; 3) Design the trajectory crossing the equatorial point according to the preset expectations

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Remote Sensing (AREA)
  • Radio Relay Systems (AREA)

Abstract

本发明涉及一种利用回归轨道实施通信的卫星星座实现方法，其步骤：确定回归周期和轨道半长轴，以及轨道的倾角、轨道的偏心率和近地点幅角；确定卫星个数及轨道面数均为n个；确定第一颗卫星的升交点赤经和平近点角，根据卫星的服务需求，依次确定后续卫星的升交点赤经和平近点角；确定需要协调的静止轨道卫星网络集合以及非静止卫星星座对静止卫星干扰保护带的宽度；在地面上任意位置，看到全部设置的卫星在空中均沿一条固定的相同的轨迹相继过顶，当形成多重覆盖后，地面用户能同时看到多颗卫星；如果卫星轨迹穿越对静止卫星的干扰保护带，则在当前接入卫星进入保护带时，地面用户切换到另一颗不在保护带内的卫星继续实施通信。

Description

一种利用回归轨道实施通信的卫星星座实现方法 技术领域
本发明涉及一种卫星通信技术领域，特别是关于一种在全球覆盖的非静止轨道通信星座中利用回归轨道实施通信的卫星星座实现方法。
背景技术
卫星互联网是互联网向空间进化过程中最好的可能也是唯一的选择。考虑到同步轨道轨位的限制，非静止轨道卫星星座网络将成为卫星互联网的重要组成部分。当前，全球范围内已有多个大型非静止轨道卫星星座项目投入建设或宣布计划。其中Google公司建设的O3b网络系统，采用0°倾角的赤道轨道，轨道高度8062Km，目前在轨12颗卫星，每颗卫星总吞吐量达12GBit/s。O3b星座的主要覆盖区域为南北纬40°之间的区域；OneWeb公司提出以近地轨道卫星群来提供卫星互联网业务，将发射720颗卫星完成初期构建，后期可能会再发射1972颗卫星以完成最终的星座。其轨道高度约为1200Km，轨道倾角约88°，预计2017-2020年期间建成，覆盖区域为全球覆盖；下一代铱星系统星座由66颗卫星组成，另外还有6颗在轨备用卫星和9颗地面备用卫星。其轨道高度为781Km，轨道倾角约为86.4°，覆盖区域为全球覆盖。
当前各非静止轨道通信卫星星座的设计方法面临着与静止轨道卫星同频共存的问题。空间通信频谱资源的协调和分配由国际无线电联合会(International Telecommunications Union，ITU)组织和管理。按照当前ITU的协调框架和规则，静止轨道卫星系统地位均优先于非静止轨道卫星系统，后者需要与GSO卫星系统完成频域的共存分析，保证不对在轨的数千颗GSO卫星造成有害干扰。获得最终用频许可的难度极高。
发明内容
针对上述问题，本发明的目的是提供一种利用回归轨道实施通信的卫星星座实现方法，其利用回归轨道的回归特性，通过参数设计，实现重点区域按需覆盖和降低对静止轨道卫星同频干扰的影响，以利于非静止轨道卫星星座系统设计、建设和实施。
为实现上述目的，本发明采取以下技术方案：一种利用回归轨道实施通信的卫星星座实现方法，其特征在于包括以下步骤：1)确定回归周期和轨道半长轴，以及轨道的倾角、轨道的偏心率和近地点幅角；2)根据多重覆盖需求和任务成本，确定卫星个数及轨道面数均为n个；3)根据预设期望按需设计的穿越赤道点的经

Claims (1)

  1. Figure PCTCN2017073854-appb-100001
PCT/CN2017/073854 2017-02-17 2017-02-17 一种利用回归轨道实施通信的卫星星座实现方法 WO2018148919A1 (zh)

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CN201780001218.0A CN107980210B (zh) 2017-02-17 2017-02-17 一种利用回归轨道实施通信的卫星星座实现方法
US15/779,326 US11101881B2 (en) 2017-02-17 2017-02-17 Satellite constellation realization method for implementing communication by utilizing a recursive orbit
PCT/CN2017/073854 WO2018148919A1 (zh) 2017-02-17 2017-02-17 一种利用回归轨道实施通信的卫星星座实现方法
EP17870648.7A EP3389195A4 (en) 2017-02-17 2017-02-17 IMPLEMENTATION METHOD FOR SATELLITE CONSTELLATION FOR CARRYING OUT A COMMUNICATION BY MEANS OF A REGRESSION RUNNING PATH

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CN113722897A (zh) * 2021-08-18 2021-11-30 中国科学院西北生态环境资源研究院 一种基于高分系列卫星的协同观测方法
CN113777638A (zh) * 2021-07-02 2021-12-10 长光卫星技术有限公司 一种全球目标星座重访能力快速计算方法
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CN111680354B (zh) * 2020-04-20 2022-10-21 北京航空航天大学 近地回归轨道卫星星下点和摄影点轨迹自交点的计算方法
CN111680354A (zh) * 2020-04-20 2020-09-18 北京航空航天大学 近地回归轨道卫星星下点和摄影点轨迹自交点的计算方法
CN112257016A (zh) * 2020-10-15 2021-01-22 中国西安卫星测控中心 一种Walker星座中长期碰撞预警方法
CN112257016B (zh) * 2020-10-15 2024-03-29 中国西安卫星测控中心 一种Walker星座中长期碰撞预警方法
CN113193901A (zh) * 2021-04-14 2021-07-30 张颂 一种大型星座干扰规避方法
CN113777638B (zh) * 2021-07-02 2024-02-20 长光卫星技术股份有限公司 一种全球目标星座重访能力快速计算方法
CN113777638A (zh) * 2021-07-02 2021-12-10 长光卫星技术有限公司 一种全球目标星座重访能力快速计算方法
CN113722897A (zh) * 2021-08-18 2021-11-30 中国科学院西北生态环境资源研究院 一种基于高分系列卫星的协同观测方法
CN113722897B (zh) * 2021-08-18 2024-04-19 中国科学院西北生态环境资源研究院 一种基于高分系列卫星的协同观测方法
CN115242291A (zh) * 2022-06-30 2022-10-25 北京邮电大学 基于时间相关性的6g低轨卫星网络参数设定方法
CN115242291B (zh) * 2022-06-30 2023-06-30 北京邮电大学 基于时间相关性的6g低轨卫星网络参数设定方法
CN116033582B (zh) * 2022-12-12 2023-12-22 中国空间技术研究院 一种基于概率分布限值的卫星星座频率干扰规避方法
CN116033582A (zh) * 2022-12-12 2023-04-28 中国空间技术研究院 一种基于概率分布限值的卫星星座频率干扰规避方法
CN117278105B (zh) * 2023-09-27 2024-04-26 中国人民解放军31007部队 基于规避角的低轨星载动中通抗下行干扰方法

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