WLAN 및 이동통신은 계속해서 많은 서로 다른 표준으로 진화함에 따라 이동통신 사업자는 기술적 경제적 많은 어려움에 직면하고 있다. 따라서 끊임없는 시스템 업그레이드가 필요하게 된다. 이러한 문제를 해결하기 위한 새로운 접근 방법을 모색하여 그 타당성을 연구하였다. 즉, electro-absorption modulator(EAM) 과 optical single sideband (OSSB)에 기반한 radio over fiber (RoF) 기술을 사용해 저가, 단순, 주파수변화 및 프로토콜 변화가 없는 트랜스패런트한 무선 액세스 망을 구축하여 그 해결책을 제시하였다. 본 논문에서는 프로토타입 CATV 용 60GHz 대 무선 RoF 분배시스템을 구축하여 broadband convergence network (BcN)의 무선 액세스망에 사용가능성을 타진하였다.
KSP Keywords
Radio over fiber(ROF), electroabsorption modulator(EAM), optical single sideband(OSSB)
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