한국통신학회논문지 C : 통신이론 및 시스템, v.32, no.11, pp.1095-1101
ISSN
1226-4717
Publisher
한국통신학회 (KICS)
Language
Korean
Type
Journal Article
Abstract
본 논문에서는 협대역 사용자와 스펙트럼을 공유하는 인지 라디오 시스템에서 협대역 간섭을 회피할 수 있도록 전체 TV 대역의 일부 대역을 가변적으로 사용하는 부분대역모드 기법을 소개한다. 이 때 동기 과정에서 바뀐 부분대역모드에 대한 정보를 얻을 수 있도록 프리앰블을 설계하고 부분대역모드 검출 기법을 포함한 시간 및 주파수 동기 알고리즘을 제안한다. 제안한 부분대역모드 검출 및 동기 성능을 WRAN (Wireless Regional Area Networks) 환경에서 모의 실험한 결과 동기 성능의 저하 없이 부분대역모드를 검출할 수 있음을 보인다.
KSP Keywords
Wireless Regional Area Network
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