云南高校图书馆联盟文献共享服务平台- LEO

LEO: 作品数：795被引量：1524H指数：15; 导出分析报告; 相关领域：电子电信天文地球更多>>; 相关作者：梁旭文刘业楠胡小工郭鹏唐小伟更多>>; 相关机构：上海贝高福厨房用具有限公司中国科学院中国科学院大学武汉大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划浙江省自然科学基金更多>>

Big Data Application Simulation Platform Design for Onboard Distributed Processing of LEO Mega-Constellation Networks: 《China Communications》2024年第7期334-345,共12页Zhang Zhikai Gu Shushi Zhang Qinyu Xue Jiayin; supported by National Natural Sciences Foundation of China(No.62271165,62027802,62201307);the Guangdong Basic and Applied Basic Research Foundation(No.2023A1515030297);the Shenzhen Science and Technology Program ZDSYS20210623091808025;Stable Support Plan Program GXWD20231129102638002;the Major Key Project of PCL(No.PCL2024A01)。; Due to the restricted satellite payloads in LEO mega-constellation networks(LMCNs),remote sensing image analysis,online learning and other big data services desirably need onboard distributed processing(OBDP).In exist...; 关键词：big data application Hadoop LEO mega-constellation multidimensional simulation onboard distributed processing

OFDMA-Based Unsourced Random Access in LEO Satellite Internet of Things: 《China Communications》2024年第1期13-23,共11页Jiaqi Fang Gangle Sun Wenjin Wang Li You Rui Ding; supported by the National Key R&D Program of China under Grant 2023YFB2904703;the National Natural Science Foundation of China under Grant 62341110,62371122 and 62322104;the Jiangsu Province Basic Research Project under Grant BK20192002;the Fundamental Research Funds for the Central Universities under Grant 2242022k30005 and 2242023K5003。; This paper investigates the low earth orbit(LEO)satellite-enabled coded compressed sensing(CCS)unsourced random access(URA)in orthogonal frequency division multiple access(OFDMA)framework,where a massive uniform plana...; 关键词：LEO OFDMA SATELLITE unsourced random access UPA

LEO Satellite Access Network (LEO-SAN): 《China Communications》2023年第7期I0002-I0005,共4页; Low-Earth-Orbit satellite access network(LEO-SAN)can realize real-time and three-dimensional broadband access on the earth anywhere and any time.It has become a major development trend of satellite Internet and mobile...; 关键词：NETWORKS ACCESS NETWORK

Beam Position and Beam Hopping Design for LEO Satellite Communications被引量：1: 《China Communications》2023年第7期29-42,共14页Leyi Lyu Chenhao Qi; supported in part by National Key Research and Development Program of China under Grant 2021YFB2900404。; The numbers of beam positions(BPs)and time slots for beam hopping(BH)dominate the latency of LEO satellite communications.Aiming at minimizing the number of BPs subject to a predefined requirement on the radius of BP,...; 关键词：beam hopping(BH)design beam position(BP)design low earth orbit(LEO) low latency satellite communications

Call for Papers-Feature Vol.20,No.7,2023 LEO Satellite Access Network(LEO-SAN): 《China Communications》2022年第10期I0002-I0002,共1页; Low-Earth-Orbit(LEO)satellite access network(LEO-SAN)can realize full-time and three-dimensional broadband access on the surface of the earth.It has become the common development trend of satellite Internet and mobile...; 关键词：networks ACCESS network

Improving SINR via Joint Beam and Power Management for GEO and LEO Spectrum-Sharing Satellite Communication Systems被引量：2: 《China Communications》2022年第7期25-36,共12页Xiaojin Ding Zhuangzhuang Ren Huanbin Lu Gengxin Zhang; partially supported by the National Science Foundation of China (No. 62171234, 91738201, and U21A20450);the Jiangsu Province Basic Research Project (No. BK20192002);the National Key Laboratory of Science and Technology on Space Micrwave (No. 6142411422118); In this paper,we investigate a geosynchronous earth orbit(GEO)and low earth orbit(LEO)coexisting satellite communication system.To decrease the interference imposed on the GEO user caused by LEO satellites,we propose ...; 关键词：beam management deep Q-network GEO-LEO coexisting power allocation

Intelligent Blind Source Separation Technology Based on OTFS Modulation for LEO Satellite Communication被引量：4: 《China Communications》2022年第7期89-99,共11页Chengjie Li Lidong Zhu Cheng Guo Tao Liu Zhen Zhang; fully supported by Natural Science Foundation of China Project (61871422)(62171390);Science and Technology Program of Sichuan Province (2020YFH0071);the Fundamental Research Funds for the Central Universities of Southwest Minzu University (ZYN2022032); In LEO(Low Earth Orbit)satellite communication system,the orbit height of the satellite is low,the transmission delay is short,the path loss is small,and the frequency multiplexing is more effective.However,it is an u...; 关键词：LEO Doppler effect Delay-Doppler domain OTFS DBSCAN clustering algorithm

Load Balancing Routing Algorithm Based on Extended Link States in LEO Constellation Network被引量：9: 《China Communications》2022年第2期247-260,共14页Chaoying Dong Xin Xu Aijun Liu Xiaohu Liang; supported by the National Natural Science Foundation of China(No.6217011238 and No.61931011).; As an important part of satellite communication network,LEO satellite constellation network is one of the hot research directions.Since the nonuniform distribution of terrestrial services may cause inter-satellite lin...; 关键词：LEO satellite routing algorithm congestion avoidance load balancing

Jointly Optimized Request Dispatching and Service Placement for MEC in LEO Network被引量：8: 《China Communications》2020年第8期199-208,共10页Chengcheng Li Yasheng Zhang Xuekun Hao Tao Huang; funded by the Excellent Postdoctoral Study Project Funding of Hebei Province,grant number B2019005006。; Integrating Multi-access Edge Computing(MEC) in Low Earth Orbit(LEO) network is an important way to provide globally seamless low-delay service. In this paper, we consider the scenario that MEC platforms with computat...; 关键词：Low Earth Orbit(LEO)network Multi-access Edge Computing(MEC) request dispatching service placement

Spectral Coexistence between LEO and GEO Satellites by Optimizing Direction Normal of Phased Array Antennas被引量：14: 《China Communications》2018年第6期18-27,共10页Chen Zhang Jin Jin Hao Zhang Ting Li; supported by the National Natural Science Foundation of China (grant no. 91738101 and 91438206); This paper addresses the spectral coexistence between LEO constellation and GEO belt for global distributed earth stations. A specific method is introduced to mitigate the in-line interference by tilting the direction...; 关键词：satellite constellation satellite communication spectral coexistence interference mitigation phased array

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