한국통신학회논문지 B : 네트워크 및 융합 서비스, v.29, no.10A, pp.1167-1176
ISSN
1226-4717
Publisher
한국통신학회 (KICS)
Language
Korean
Type
Journal Article
Abstract
본 논문에서는 위성 하향 랭크에서 강우 감쇄와 음영 페이딩에 대한 적웅형 전송을 위한 MC CDMA (muticarrier CDMA) 방식을 제시하교 Ka 대역 이동위성채널에서 페이딩 , 강우 감쇄, 재전송 방식에 따른 적응형 MC-CDMA 하향령크의 성능을 비교 분석하였다 제시된 하향 탱크는 광대역 MC-CDMA 전송을 통해 수십 Mbit/s 처리율과 채널 환경에 따라 약 1 blVs/Hz 에서 4 7 bit/s/Hz의 주파수 효율을 제공할 수 있다.
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