09ZC1400, Mega Convergence Core Technology Development,
Sohn Sung Won
Abstract
본 논문에서는 무인자동차 시스템 개발을 위하여 적용 가능한 통신을 살펴보고 대안으로 IEEE 802.11a를 제안한다. IEEE 802.11a는 2.4GHz ISM 대역을 사용하는 IEEE 802.11b/g와 달리 5GHz 대역의 OFDM 변조방식을 사용해 ISM 대역의 IEEE 802.11b/g와 비교하여 간섭으로 인한 성능저하 현상에 강점을 가지고 있으며, 최대 54Mbps의 통신 속도를 제공한다. 무인자동차의 이동성을 보장하기 위한 핵심 요구사항인 로밍 기능을 중점으로 아파트 주차장에서 Soft Roaming과 Hard Roaming방식을 구성하여 실험을 진행하였다. 각각의 실험 결과 값을 토대로 IEEE 802.11a를 무인자동차 시스템에 적용하기 위한 최적의 방법을 제시한다.
KSP Keywords
IEEE 802.11a, IEEE 802.11b
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