사용자 요구의 다양화와 그에 따른 트래픽 증가 등 현재의 IMT-2000 기반에서 수용할 수 없는 보다 복잡한 이동 멀티미디어 환경이 도래하고 있다. 이러한 이동 멀티미디어 서비스를 원활히 제공하기 위해 ITU-R을 중심으로 한 전 세계 이동통신 업계는 이미 4세대용 시스템 규격 및 개발에 상당한 진전을 보이고 있다. 본 논문에서는 4세대 이동통신용 기술기준을 기존의 3.5세대인 WiBro의 기술기준을 근간으로 하여, 주요 기술기준 파라메터를 분석하였다. 또한 주요 기술기준 중 송·수신측의 공통요소인, 점유주파수 대역폭을 WiBro의 기술기준을 참고하여 도출하였으며, 모의실험을 통해 검증하였다. 따라서 본 논문의 결과를 4세대 이동통신용 점유주파수 대역폭으로 제안한다.
KSP Keywords
IMT-2000
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