15ZI1300, 광 기반 Compact Radio & Dense Digital 이동통신 기지국 핵심기술 개발,
Lee Jong Hyun
Abstract
모바일 인터넷 서비스를 위한 서비스 제공자의 코어 네트워크와 연결되는 적어도 하나의 베이스밴드 유닛(Baseband unit: BBU)들, 상기 적어도 하나의 베이스밴드 유닛들로부터 전달된 무선 신호를 광 신호로 변환하는 광 선로 단말(Optical Line Terminal: OLT), 광 섬유 및 광 스플리터를 포함하는 광 분배 네트워크(Optical Distribution Network: ODN), 상기 광 분배 네트워크를 통해 상기 광 선로 단말에서 변환된 광 신호를 수신하여 무선 신호로 변환하는 적어도 하나의 광 네트워크 유닛(Optical Network Unit: ONU)들 및 상기 광 네트워크 유닛에서 변환된 무선 신호를 수신하여 복수의 안테나들을 통해 출력하는 적어도 하나의 원격 라디오 헤드(Remote Radio Head: RRH)들을 포함하는 RoF(Radio-over-Fiber) 시스템이 제공된다.
KSP Keywords
BaseBand Unit(BBU), Distribution network(DN), Fiber transmission, Optical Distribution Network, Optical Line Terminal, Optical Network, Optical Network Units(ONU), Radio over fiber(RoF), Transmission system, remote radio heads
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