광대역 유무선 통합 네트워크를 위한 Radio over Fiber 전송기술
Radio over Fiber Transmission Technologies for Broadband Convergence Network
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초록
RoF(Radio-over-Fiber) 기술은 저손실, 광대역의 특징을 제공하는 광통신 기술과 이동성을 제공하는 무선 통신 기술이 융합하여 언제, 어디서나, 다양한 광대역 멀티미디어 서비스를 제공하는 차세대 광대역 통합망(Broadband Convergence Network)의 기초가 되는 차세대 기술이다. 이 기술을 통해 초고속 무선 멀티미디어 서비스와 광대역 소형 휴대 단말, 초고속 휴대 인터넷의 활성화에 기여할 수 있으며, 가까운 장래에 도입될 것으로 예상되는 유비쿼터스 네트워크에서는 장소나 단말기의 제약 없이 초고속 광대역 서비스 제공이 가능한 무선 통신 기술로서 RoF 기술이 활용될 것으로 예상된다. 이 논문을 통해 RoF 기술의 주요 기술 특성을 소개하고 본 연구실에서 수행한 RoF 응용 기술을 보이고자 한다.
Abstract
Radio over Fiber(RoF) technology takes advantages of optical transmission which facilitates low loss and broadband operation. Combing with a wireless communication technology, RoF technology can provide fundamentals of next generation broadband convergence network essential for ubiquitous circumstance. RoF technology would be a key technology of the combined transmission network which carries the high speed wireless multimedia services, mobile internet and the enriched wireline access networks. The overview and characteristics of RoF technology are mentioned and our researches on RoF optical links for the application of access network are presented.
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