본 고에서는 텔레매틱스/LBS용 실내외 연속측위를 위해 무선통신 기반 실내측위 및 실외측위 기술에 대하여 동향을 분석한다. 위치기반서비스에서 측위기술은 핵심ㆍ기반 기술로 오늘날 GPS가 그 중심을 차지하고 있지만 실내와 같은 음영지역에서는 새로운 방식의 측위기술을 필요로 하고 있으며, 무선통신 인프라 기반의 측위 기술이 연구되어 오고 있다. 실외에서는 CDMA 기반 무선측위 기술, 실내에서는 WLAN, UWB, 적외선, 초음파, RFID 등의 인프라를 이용한 무선측위 기술이 연구되고 부분적으로 상용화되고 있다. 그러나 아직 실내외 연속측위를 위한 기술은 개념적으로 설계만 되고 있으며 상용화를 위한 기반기술이 연구중에 있다. 본 고에서는 실내외 연속측위를 위해 실내측위와 실외측위로 나누어 각각의 기술 동향을 분석하고 이 기술을 구현하기 위한 무선측위 기술을 분류, 설명한다.
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