3G Evolution 기술은 패킷 영역 서비스에 중점을 두며, 현재의 3G 이동통신 기술과 비교하여 더욱 향상된 고속 데이터 전송 능력과 낮은 전송 지연, 패킷 데이터 전송에 최적화된 기술이 요구된다. 3GE 기술을 위한 상위 프로토콜 및 시스템 구조 기술로는 최적화된 망 구성을 위한 노드 구성 기술, higher rate, lower latency를 위한 프로토콜 최적화 기술, 이동성 및 서비스 품질 보장 등을 제공하기 위한 무선 인터페이스 기술, 자원 관리 기술 및 이동성 관리 기술들의 연구가 필요하다. 본 고에서는 3GE 출현 배경 및 목표, 3GE 핵심 기술 개념과 현황, 최근 동향에 대하여 살펴보고자 한다.
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