19NR1100, Development of small portable SNG for Disaster & Relief Communication,
Ryu Joon Gyu
Abstract
본 논문에서는 DVB-RCS2 기반 TDMA 전송 시스템에서 낮은 SNR 환경에서 수신할 수 있도록 대역확산 전송을 이용한 전송 모뎀 구조를 제안하고 해당 구조의 수신기 성능을 분석, 구현한 결과를 제시한다. Tree 구조 기반의 채널라이저를 설계하였으며, FFT를 이용한 주파수 추정 알고리즘을 사용하였다. 또한 제안한 수신기 구조를FPGA에 구현하여 H/W에서 정상적으로 기능이 수행함을 확인하였다
KSP Keywords
DVB-RCS2
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