3GPP는 HSPA와 같은 라디오 액세스 기술의 개선을 바탕으로 다가오는 수 년 동안 높은 경쟁력을 가질 것으로 예측된다. 그러나 3GPP에서는 급속히 발전되는 정보통신서비스를 효율적으로 제공하기 위해, 3GPP R6 기술과 비교하여 사용자와 사업자의 비용을 줄이면서도 고품질의 다양한 서비스를 제공하는 새로운 이동통신기술의 필요성을 인식하고, 낮은 전송 지연(low latency), 높은 전송률(high data rate), 시스템 용량과 커버리지를 개선하는 3G long term evolution 표준기술 작성을 시작하였다. 이에 따라 지난 2004년 말부터 3GPP에 참여한 사업자, 벤더, 연구소 등은 2007년 6월 표준규격 작성완료를 목표로 LTE와 SAE에 대한 연구를 진행해 오고 있다. 이들 연구는 상호 운용성을 제공하기 위한 기술적 솔루션을 최소로 하면서 불필요하게 중복되는 필수 특성들을 줄이고 다양한 액세스 네트워크 사이에서 모빌리티를 제공하는 것을 목적으로 하고 있다. 본 문서에서는 2006년 3월까지 진행된 3GPP의 표준화 및 기술 동향에 대해 살펴본다.
KSP Keywords
High data rate, Long term Evolution(LTE), Low latency
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