세계 통신 업계는 2008년 초부터 시작될 4세대 이동통신(4G)의 표준화가 결정되면 오는 2012년경에는 4G 이동통신 서비스 상용화가 가능해 질 것으로 보고 있다. 현재 4G 이동통신의 후보 기술로는 3GPP LTE 진영이 가장 유력하고, 삼성전자가 주도하는 와이브로 에볼루션이 있으며 퀄컴이 주도하는 3GPP2 UMB 진영도 후보 기술로 내 놓고 있다. 4G 이동통신은 이동 중 100Mbps급 속도, 정지 중에는 1Gbps급 속도를 제공해 유선과 무선, 통신과 방송이 융합되는 차세대 이동통신 기술로서 2012년에 상용화가 시작될 것으로 예측하고 있다. 본 고에서는 4G 이동통신 기술, 그리고 4G 이동통신 후보 기술로 대두되고 있는 3GPP LTE 기술, WiBro-Evolution 기술, 3GPP2 UMB 기술의 최근 동향에 대하여 살펴보고자 한다.
KSP Keywords
3GPP LTE
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