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학술대회 The Gap Filler Technology for Mobile Satellite System
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저자
유준규, 한성민, 신민수, 장대익, 이호진
발행일
200808
출처
Advanced Satellite Mobile Systems (ASMS) 2008, pp.33-36
DOI
https://dx.doi.org/10.1109/ASMS.2008.13
협약과제
08MR2800, 고속 이동체 인터넷 위성 무선 연동 기술개발, 이호진
초록
To provide seamless broadband internet and broadcasting services to passengers of high speed train via satellite link, gap filling is key technology to extend the service coverage in NLOS environment, so to speak, tunnel. The XpeedSAT system is a Ka/Ku band broadband mobile multimedia access system based on DVB-S2/DVB-RCS+M standard for satellite TV, video multicasting, Internet through wireless LAN. In this paper we introduce the various gap filling technologies and compare pros and cons. Finally we propose the gap filling method for NLOS environment in XpeedSAT system. © 2008 IEEE.
KSP 제안 키워드
Broadband Internet, DVB-RCS, DVB-S2, Filling method, Gap-Filler, Key technology, Ku-Band, Mobile Multimedia, NLOS Environment, Satellite TV, Satellite link