[1] Portillo I, Cameron B G, Crawley E F. Ground segment architectures for large LEO constellations with feeder links in EHF-bands[C]//IEEE Aerospace Conference. Big Sky:IEEE Press, 2018:1-14. [2] Portillo 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] Park C S, Kang C G, Choi Y S, et al. Interference analysis of geostationary satellite networks in the presence of moving non-geostationary satellites[C]//Proceedings of the 2010 2nd International Conference on Information Technology Convergence and Services. Cebu:IEEE Press, 2010:1-5. [4] 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. [5] Wang Huiwen, Wang Cheng, Yuan Jun, et al. Coexistence downlink interference analysis between LEO system and GEO system in Ka band[C]//IEEE International Conference on Communications. Beijing:IEEE Press, 2018:465-469. [6] 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, 2016, 35(5):443-459. [7] Wang Yunfeng, Ding Xiaojin, Zhang Genxin. A novel dynamic spectrum-sharing method for GEO and LEO satellite networks[J]. IEEE Access, 2020, 8:147895-147906. [8] Wang Chuang, Bian Dongming, Shi Shengchao, et al. A novel cognitive satellite network with GEO and LEO broadband systems in the downlink case[J]. IEEE Access, 2018(6):25987-26000. [9] Panagopoulos A D, Arapoglou P M, Chatzarakis G E, et al. Coexistence of the broadcasting satellite service with fixed service systems in frequency bands above 10 GHz[J]. IEEE Transactions on Broadcasting, 2006, 52(1):100-107. [10] Federal Communication Commission. Electronic code of federal regulations CFR 25.261:sharing among NGSO FSS space stations[DB/OL]. (2017-09-27)[2020-05-20]. https://www.fcc.gov/about/overview. [11] Hanson Ward A. In their own words OneWeb's internet constellation as described in their FCC form 312 application[J]. NEW SPACE, 2016, 4(3):143-167. [12] Zhang Chi, Jin Jin, Kuang Linling, et al. Blind spot of spectrum awareness techniques in non-geostationary satellite systems[J]. IEEE Transactions on Aerospace and Electronic Systems, 2018, 54(6):3150-3159. [13] 靳瑾, 李娅强, 张晨, 等. 全球动态场景下非静止轨道通信星座干扰发生概率和系统可用性[J]. 清华大学学报(自然科学版), 2018, 58(9):833-840. Jin Jin, Li Yaqiang, Zhang Chen, et al. Occurrence probability of co-frequency interference and system availability of non-geostationary satellite system in global dynamic scene[J]. Journal of Tsinghua University(Science and Technology), 2018, 58(9):833-840. [14] ITU-R. Simulation methodologies for determining statistics of short-term interference between co-frequency, codirectional non-geostationary satellite orbit fixed-satellite service systems in circular orbits and other non-geostationary fixed-satellite service systems in circular orbits or geostationary-satellite orbit fixed-satellite service networks:ITU-R S. 1325-2004[S]. Geneva:ITU, 2004:2-21. [15] ITU-R. Methods to enhance sharing between non-GSO FSS systems(except MSS feeder links)in the frequency bands between 10-30 GHz:ITU-R S. 1431-2000[S]. Geneva:ITU, 2000:1-4. [16] ITU. Coordination of the L5 satellite network in IFIC2809[DB/OL]. (2015-08-12)[2020-07-14]. https://www.itu.int/sns/converted-to-v8/ific2809.zip. [17] ITU. Coordination of the CANSAT-LEO satellite network in IFIC2850[DB/OL]. (2017-07-25)[2020-07-14]. https://www.itu.int/sns/ific8/ific2850.zip. |