云南高校图书馆联盟文献共享服务平台- CONSTELLATIONS

CONSTELLATIONS: 作品数：29被引量：47H指数：4; 导出分析报告; 相关领域：电子电信更多>>; 相关期刊：《Language and Semiotic Studies》《Digital Communications and Networks》《Journal of Communications and Information Networks》《Chinese Journal of Electronics》更多>>; 相关基金：国家自然科学基金湖北省自然科学基金国家高技术研究发展计划北京市自然科学基金更多>>

Dynamic adversarial jamming-based reinforcement learning for designing constellations: 《Digital Communications and Networks》2024年第5期1471-1479,共9页Yizhou Xu Haidong Xie Nan Ji Yuanqing Chen Naijin Liu Xueshuang Xiang; supported by the National Natural Science Foundation of China(Grant No.12004422);by the Beijing Nova Program of Science and Technology(Grant No.Z191100001119129)。; To resist various types of jamming in wireless channels,appropriate constellation modulation is used in wireless communication to ensure a low bit error rate.Due to the complexity and variability of the channel enviro...; 关键词：Wireless communication Constellation design Reinforcement learning Adversarial jamming

Thermosphere joint observations by TM-1 constellations and Swarm-B during the April 2023 geomagnetic storm: 《Earth and Planetary Physics》2024年第2期307-316,共10页YongPing Li YueQiang Sun XianGuo Zhang JiangZhao Ai XiaoLiang Zheng Jia Li YuJie Wang BiBo Guo Feng Yan ShiLong Wei XinChun Tang YuanYuan Cao; funded by the China Manned Space Program (Grant Y59003AC40);TM-1 Constellation Atmospheric Density Detector (Grant E3C1162110); The response of thermosphere density to geomagnetic storms is a complicated physical process.Multi-satellite joint observations at the same altitude but different local times(LTs)are important for understanding this p...; 关键词：TM-1 constellation Swarm-B joint observations geomagnetic storm Local Times

Real‑time service performances of BDS‑3 and Galileo constellations with a linear satellite clock correction models被引量：1: 《Satellite Navigation》2023年第3期72-81,共10页Haojun Li Danzeng Luojie Huimin Ding; This research is supported by the National Natural Science Foundation of China(NSFC)(Nos.42174019 and 41974025);the Fundamental Research Funds for the Central Universities.; In order to facilitate high-precision and real-time Precise Point Positioning(PPP),the International GNSS(Global Navigation Satellite System)Service(IGS),BDS-3(BeiDou-3 Navigation Satellite System),and Galileo navigat...; 关键词：Precise point positioning Satellite clock correction Real-time service

Co-Frequency Interference Analysis and Avoidance Between NGSO Constellations: Challenges, Techniques, and Trends被引量：3: 《China Communications》2023年第7期1-14,共14页Yuanzhi He Yuan Li Hao Yin; In recent years,as giant satellite constellations grow rapidly worldwide,the co-existence between constellations has been widely concerned.In this paper,we overview the co-frequency interference(CFI)among the giant no...; 关键词：co-frequency existence analysis method overview interference avoidance

Co-Frequency Interference Analysis Between Ultra-Large-Scale NGSO Constellations and GSO Systems: 《Journal of Communications and Information Networks》2023年第1期80-89,共10页Ying Huang Shilin Li Wei Li Weijun Lu Xueling Zhang; the Beijing Natural Science Foundation.L222003;the National Key Research and Development Program.2020YFB1806100。; The rejuvenation of non-geostationary orbit(NGSO)satellite communication holds the promise of seamless and ubiquitous broadband access from the space.However,the NGSO constellations must share the scarce radio spectru...; 关键词：NGSO interference analysis visibility analysis mega-constellation satellite communication satellite network

Reinforcement Learning-Based Handover Strategy for Space-Ground Integration Network with Large-scale Constellations被引量：2: 《Journal of Communications and Information Networks》2022年第4期421-432,共12页Xiao Jia Di Zhou Min Sheng Yan Shi Ningyuan Wang Jiandong Li; This work was supported in part by the National Key R&D Program of China under Grant 2020YFB1806100;in part by the Natural Science Foundation of China under Grant U19B2025 and Grant 62001347;in part by Key Research and Development Program of Shaanxi(Program No.2022ZDLGY05-02,and Program No.2021KWZ-05).; The space-ground integration network(SGIN)with large-scale constellations has become an important topic of the next generation mobile communication technology,in which the handover technology between the satellite and...; 关键词：SGIN large-scale constellations satelliteground handover CLUSTER reinforcement learning

Conceptual Design Process for LEO Satellite Constellations Based on System Engineering Disciplines: 《Computer Modeling in Engineering & Sciences》2022年第5期599-618,共20页Ali Salehi Mahdi Fakoor Amirreza Kosari Seyed Mohammad Navid Ghoreishi; Satellite design process is an interdisciplinary subject in which the need for collaboration among various science and engineering disciplines is evident.Meanwhile,finding an optimal process for conceptual design of a...; 关键词：Satellite constellation system engineering design structure matrix conceptual design

An analysis of close approaches and probability of collisions between LEO resident space objects and mega constellations被引量：4: 《Geo-Spatial Information Science》2022年第1期104-120,共17页Yan Zhang Bin Li Hongkang Liu Jizhang Sang; the National Natural Science Foundation of China[Grant No.41874035];the National Natural Science Foundation of China[Grant No.12103035];the Natural Science Foundation of Hubei province,China[Grant No.2020CFB396];the Fundamental Research Funds for the Central Universities,China[Grant No.2042021kf0001].; With the undergoing and planned implementations of mega constellations of thousands of Low Earth Orbiting(LEO)satellites,space will become even more congested for satellite operations.The enduring effects on the long-...; 关键词：Resident space object mega constellation close approach collision probability

LEO Mega Constellations:Review of Development,Impact,Surveillance,and Governance被引量：8: 《Space(Science & Technology)》2022年第1期472-488,共17页Jingrui Zhang Yifan Cai Chenbao Xue Zhirun Xue Han Cai; supported by the National Natural Science Foundation of China,Outstanding Youth Science Fund Project(11825201).; The rapid development of Low Earth Orbit(LEO)mega constellations has significantly contributed to several aspects of human scientific progress,such as communication,navigation,and remote sensing.However,unrestrained d...; 关键词：IMPACT restrained maintained

New bounds on the mutual information for discrete constellations and application to wireless channel estimation: 《Digital Communications and Networks》2020年第4期542-546,共5页A.Taufiq Asyhari; The lack of closed-form expressions of the mutual information for discrete constellations has limited its uses for analyzing reliable communication over wireless fading channels.In order to address this issue,this pap...; 关键词：Channel estimation Coded modulation Discrete constellations Mutual information Wireless communications

CONSTELLATIONS