최근 들어 무선인터넷 서비스에 대한 수요가 폭발적으로 증가하고 있으며, 이를 제공하기 위한 기술로 휴대인터넷이 주목받고 있다. 휴대인터넷은 기존의 무선랜 기술 및 셀룰라 기반 이동통신 기술의 장점을 결합하여 이동중인 가입자에게 저렴한 요금으로 고속의 데이터 서비스를 제공할 수 있는 기술이다. 국내에서는 휴대인터넷 기술 개발을 위하여 한국전자통신연구원(ETRI)을 중심으로 5개사가 참여한 HPi(High-speed Portable Internet) 프로젝트를 시작하여 연구개발을 진행하고 있다. 본 논문에서는 지난 2003년부터 총 3년의 연구개발 일정으로 진행되고 있는 HPi 시스템 연구개발 내용을 규격 및 시스템 구현 측면에서 기술하고자 한다.
KSP Keywords
High Speed
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