2007년 3월부터 WFA에서 시작된 “Wi-Fi CERTIFIED™ 802.11n draft 2.0” 인증을 통해 현재까지 180가지가 넘는 제품이 출시되고 있는 가운데 이러한 시장의 상황을 반영하듯 여러 매체를 통해 IEEE 802.11n이 핫이슈로 등장하였다. 하지만 WFA의 분석에 따르면 초고화질의 영상을 위한 압축되지 않는 비디오, 예를 들어 1920×1080 pixels, 24 bits/pixel, 초당 60 프레임 정도의 1080p급 비디오를 전송하려면 Gbps 이상의 전송속도를 필요로 한다. 이를 위하여 최근에 Gbps 이상의 차세대 무선랜 서비스를 위한 새로운 국제규격을 정의하려는 움직임이 IEEE 802.11 내에서 활발해지고 있다. 본 고에서는 이러한 IEEE 802.11에서의 표준화 활동을 중심으로 차세대무선랜에 대한 응용분야, 관련 기술, 표준화 작업 내용에 대해 살펴보고자 한다.
KSP Keywords
IEEE 802.11(Wi-Fi)
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