地球站跟踪模式对NGSO-GSO系统间频率兼容性评估的影响研究

doi:10.11959/j.issn.2096-8930.2021002

天地一体化信息网络 ›› 2021, Vol. 2 ›› Issue (1): 11-19.doi: 10.11959/j.issn.2096-8930.2021002

所属专题：专题：天地一体化信息网络频谱有效利用

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地球站跟踪模式对NGSO-GSO系统间频率兼容性评估的影响研究

姚秀娟¹, 董苏惠¹^,², 高翔¹, 王静¹, 智佳¹, 孙云龙¹

¹ 中国科学院国家空间科学中心，北京 100190
² 中国科学院大学，北京 100049

修回日期:2021-03-02 出版日期:2021-03-20 发布日期:2021-03-01
作者简介:姚秀娟（1977-），中国科学院国家空间科学中心研究员，博士生导师，主要从事空间通信与频谱感知方面的研究工作。
董苏惠（1994-），中国科学院大学博士生，主要研究方向为空间频谱感知技术、认知无线电技术等。
高翔（1984-），中国科学院国家空间科学中心副研究员，主要从事卫星通信、空间频谱感知、数字信号处理，以及空间频轨资源兼容性分析技术等方面的研究工作。
王静（1990-），中国科学院国家空间科学中心在读博士后，主要研究方向为空间频谱资源兼容技术和空间频谱感知技术等。
智佳（1985-），中国科学院国家空间科学中心高级工程师，主要研究方向为互联网卫星星座频谱兼容性数据处理、航天设备地面综合测试技术等。
孙云龙（1996-），中国科学院国家空间科学中心工程师，主要研究方向为卫星网络频轨资源申报及规划、卫星网络干扰仿真等。
基金资助:
中国科学院空间科学战略性先导科技专项(XDA15060100);中科院复杂航天系统电子信息技术重点实验室择优基金项目(Y42613A32S)

Research on the Infl uence of Earth Station Tracking Modes on Frequency Compatibility Evaluation Between NGSO-GSO Systems

Xiujuan YAO¹, Suhui DONG¹^,², Xiang GAO¹, Jing WANG¹, Jia ZHI¹, Yunlong SUN¹

¹ National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China
² University of Chinese Academy of Sciences, Beijing 100049, China

Revised:2021-03-02 Online:2021-03-20 Published:2021-03-01
Supported by:
Chinese Academy of Sciences Strategic Priority Program on Space Science(XDA15060100);CAS Key Laboratory of Integrated Avionics and Information Technology for Complex Aerospace Systems Selected Foundation Program(Y42613A32S)

摘要/Abstract

摘要：

针对NGSO星座系统在上行Ka频段和下行Ku频段对GSO卫星系统之间的频率兼容性仿真分析场景，在对地球站的常用跟踪模式对频率兼容性计算结果的影响程度进行定量化分析的基础上，提出一种基于频率兼容性评估的NGSO-GSO地球站跟踪模式分析方法。以ITU实际登记的Telesat和CHNSAT-98E卫星网络资料为例，对上下行通信链路在地球站不同跟踪模式下的频率兼容性仿真数据进行比对分析，提出一种在满足ITU-R S.1323建议书集总干扰保护标准的前提下，地球站可用跟踪策略的建议。研究成果可作为NGSO-GSO间系统兼容性分析及地球站跟踪计划制定的借鉴。

关键词: 地球站, 跟踪模式, 频率兼容, 干扰评估, NGSO星座系统

Abstract:

Aiming at the simulation analysis scenarios of frequency compatibility between NGSO constellation system and GSO satellite system in the Ka uplink and Ku downlink frequency band, one tracking mode of the earth station of NGSO constellation was proposed.By calculation results analysis, the quantitative infl uence was depicted in common tracking mode of the earth station, such as ephemeris guided tracking, single pulse automatic tracking, and sidelobe tracking.And taking the parameters registered on ITU of Telesat and CHNSAT-98E systems as an example, the simulation data was compared and analyzed in diff erent tracking modes of the earth station.Then, one available tracking strategy of the NGSO constellation station was proposed, which is under the constraint of recommendation ITU-R S.1323.The research results can be used as a reference for NGSO-GSO system compatibility analysis, also the tracking plan formulation of earth stations.

Key words: earth station, tracking mode, frequency compatibility, interference evaluation, NGSO constellation system

中图分类号:

TN972

姚秀娟, 董苏惠, 高翔, 王静, 智佳, 孙云龙. 地球站跟踪模式对NGSO-GSO系统间频率兼容性评估的影响研究[J]. 天地一体化信息网络, 2021, 2(1): 11-19.

Xiujuan YAO, Suhui DONG, Xiang GAO, Jing WANG, Jia ZHI, Yunlong SUN. Research on the Infl uence of Earth Station Tracking Modes on Frequency Compatibility Evaluation Between NGSO-GSO Systems[J]. Space-Integrated-Ground Information Networks, 2021, 2(1): 11-19.

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参考文献 24

[1]	RADTKE J , KEBSCHULL C , STOLL E . Interactions of the space debris environment with mega constellations—Using the example of the OneWeb constellation[J]. Acta Astronautica, 2017(131): 55-68.
[2]	DELPORTILLO I , CAMERON B G , CRAWLEY E F . A technical comparison of three low earth orbit satellite constellation systems to provide global broadband[J]. Acta Astronautica, 2019(159): 123-135.
[3]	PELTON J N , JACQUé B . Distributed internet- optimized services via satellite constellations,Handbook of Satellite Applications[M]. New York: Springer Press, 2017: 249-269.
[4]	HANSON W A . Satellite internet in the mobile age[J]. New Space, 2016,4(3): 138-152.
[5]	吴巍 . 天地一体化信息网络发展综述[J]. 天地一体化信息网络, 2020,1(1): 1-16.
	WU W . Survey on the development of space-integrated-ground information network[J]. Space-Integrated-Ground Information Networks, 2020,1(1): 1-16.
[6]	SHARMA S K , CHATZINOTAS S , OTTERSTEN B . In-line interference mitigation techniques for spectral coexistence of GEO and NGEO satellites[J]. International Journal of Satellite Communications and Networking, 2016,34(1): 11-39.
[7]	POURMOGHADAS A , SHARMA S K , CHATZINOTAS S ,et al. On the spectral coexistence of GSO and NGSO FSS systems:power control mechanisms and a methodology for inter-site distance determination[J]. International Journal of Satellite Communications and Networking, 2017,35(5): 443-459.
[8]	王闯, 胡婧, 李永强 ,等. 空间信息网络中面向双卫星的频谱共享方法[J]. 航空学报, 2019,40(9): 252-264.
	WANG C , HU J , LI Y Q ,et al. Spectrum sharing method for dual satellite in space information network[J]. Acta Aeronautica et Astronautica Sinica, 2019,40(9): 252-264.
[9]	王悦, 王权, 袁丽 ,等. GEO及NGSO卫星通信系统融合应用研究[J]. 航天器工程, 2020,29(4): 11-18.
	WANG Y , WANG Q , YUAN L ,et al. Research on fusion application of GEO and NGSO satellite communication system[J]. Spacecraft Engineering, 2020,29(4): 11-18.
[10]	张泓湜, 蒋伯峰 . 基于空间隔离的低轨卫星系统频谱共享方法[J]. 北京航空航天大学学报, 2018,44(9): 1909-1917.
	ZHANG H S , JIANG B F . Spatial isolation methodology for spectral coexistence in LEO satellite systems[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018,44(9): 1909-1917.
[11]	韩锐, 石会鹏, 李伟 ,等. 我国Ka频段卫星固定业务系统间干扰特性分析研究[J]. 电波科学学报, 2017,32(5): 619-625.
	HAN R , SHI H P , LI W ,et al. Interference analysis of China's NGSO constellation system to GSO system with fixed-satellite service in Ka band[J]. Chinese Journal of Radio Science, 2017,32(5): 619-625.
[12]	PARK C S , KANG C G , CHOI Y S ,et al. Interference analysis of geostationary satellite networks in the presence of moving nongeostationary satellites[C]// 2010 2nd International Conference on IEEE,Information Technology Convergence and Services (ITCS). Piscataway:IEEE Press, 2010: 1-5.
[13]	WANG Y F , DING X J , ZHANG G X . A novel dynamic spectrum-sharing method for GEO and LEO satellite networks[J]. IEEE Access, 2020(8): 147895-147906.
[14]	WANG C , BIAN D M , SHI S C ,et al. A novel cognitive satellite network with GEO and LEO broadband systems in the downlink case[J]. IEEE Access, 2018(6): 25987-26000.
[15]	ITU-R. Maximum permissible levels of interference in a satellite network (GSO/FSS; non-GSO/FSS; non-GSO /MSS feeder links) in the fixed-satellite service caused by other codirectional FSS networks below 30 GHz:ITU-R S.1323-2[S]. 2002.
[16]	ITU-R. Simulation methodologies for determining statistics of short-term interference between co-frequency,codirectional nongeostationary-satellite orbit fixed- satellite service systems in circular orbits and other non-geostationary fixed-satellite service systems in circular orbits or geostationary-satellite orbit fixedsatellite service networks:ITU-R S.1325-3[S]. 2003.
[17]	ITU-R. Topography for Earth-to-space propagation modelling:ITU-R P.1511-2[S]. 2019.
[18]	ITU-R. Reference radiation pattern of earth station antennas in the fixed-satellite service for use in coordination and interference assessment in the frequency range from 2 to 31 GHz:ITU-R S.465-6[S]. 2010.
[19]	ITU-R. Apportionment of the allowable error performance degradations to fixed-satellite service (FSS) hypothetical reference digital paths arising from time invariant interference for systems operating below 30 GHz:ITU-R S.1432-1[S]. 2006.
[20]	ITU-R. Satellite antenna radiation patterns for non-geostationary orbit satellite antennas operating in the fixed-satellite service below 30 GHz:ITU-R S.1528-0[S]. 2001.
[21]	ITU-R. Satellite antenna radiation pattern for use as a design objective in the fixed-satellite service employing geostationary satellites:ITU-R S.672 4[S]. 1997.
[22]	ITU-R. Radiation diagrams for use as design objectives for antennas of earth stations operating with geostationary satellites:ITU-R S.580-6[S]. 2004.
[23]	CCSDS. TM synchronization and channel coding 2017 recommendation for space data system standards:CCSDS 131.0-B-3[S]. 2017.
[24]	CCSDS. TC synchronization and channel coding 2017 recommendation for space data system standards:CCSDS 231.0-B-3[S]. 2017.

轨道及链路参数	下行链路	上行链路
轨道高度/km	1 000
轨道倾角	99.5°
卫星数量/颗	6×12
通信频率/GHz	17.85	27.55
波束带宽/MHz	100	100
接收机接收天线峰值增益/dBi	63.8	26
发射功率/dBW	5	13
发射机发射天线峰值增益/dBi	25	49.9
极化方式	RHCP	RHCP
调制方式	BPSK	BPSK
接收机天线噪声温度/K	250	730

链路参数	下行链路	上行链路
通信频率/GHz	17.85	27.65
波束带宽/MHz	300	300
接收机接收天线峰值增益/dBi	61	45
发射功率/dBW	29.9	29.4
发射机发射天线峰值增益/dBi	45	69.9
极化方式	LHCP	LHCP
调制方式	BPSK	BPSK
接收机天线噪声温度/K	120	800

地球站跟踪模式对NGSO-GSO系统间频率兼容性评估的影响研究

Research on the Infl uence of Earth Station Tracking Modes on Frequency Compatibility Evaluation Between NGSO-GSO Systems

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