摘要
随着对无所不在的通信需求和高数据率通信业务的不断增长,卫星通信所具有的无缝覆盖和通信容量大的优势将在新一代通信系统中发挥关键性的作用,卫星通信技术和信息通信产业也正在发生巨大的变革。对近年来卫星通信新技术和发展热点作了全面的综述,总结了多波束天线、星上处理的发展状况和卫星频谱资源的使用情况,概述了星地融合通信和卫星宽带通信并分析了发展中面临的挑战,展望了卫星通信的发展前景。
Satellite communications with the advantages of seamless coverage and large communication capacity will play a critical role in the next- generation communication systems, due to the growing demand for ubiquitous communications and high data rate transmission services. Currently, dramatic changes have taken place in satellite communications technology and information and com-munication industry. Recent satellite communication technologies and some new development trends are surveyed comprehensively, af-ter outlining multi- beam antenna, onboard processing and satellite spectrum resources, overviews the integration of satellite and ter-restrial systems, satellite broadband communications, and analyzes the challenges in current situation, then reveals the bright prospects of satellite communications.
出处
《电子技术应用》
北大核心
2016年第8期11-15,20,共6页
Application of Electronic Technique
基金
广东省自然科学基金(S2013010011947)
关键词
卫星通信
多波束天线
星上处理
星地融合
卫星宽带通信
satellite communications
multi-beam antenna
onboard processing
integration of satellite and terrestrial systems
satellite broadband communications
