Abstract
유비쿼터스 시대에 발맞춰 LED를 이용한 WPAN(Wireless Personal Area Network) 기술 개발이 진행 중이다. 그러나 LED를 이용한 가시광 통신은 통신 성능이 저하되는 취약점이 있다. 백열등, 형광등, 태양광선 등과 같은 광잡음으로 인한 정보의 손실을 줄이기 위해 채널 코딩 방식인 이중 이진 터보 코딩을 제안하고자 한다. 본 논문에서는 제안된 시스템의 부호화 방식을 설명하고 시뮬레이션 결과를 분석하여 제안한 이중 이진 터보 코딩을 이용하여 기존의 가시광 통신 시스템의 성능이 향상된 것을 확인할 수 있었다. At the ubiquitous age, applications of Wireless Personal Area Network (WPAN) technology using LEDs are in progress. However, visible light communication using LED have weakness, which deteriorates performance of communication. To reduce information losses, which is caused by optical noise, such as incandescent lamps, fluorescent lamps, sunbeam etc., proposed channel coding scheme, double binary turbo codes. In this paper, encoding scheme of the proposed system is described and simulation results are analyzed. We had expected improved performance by using double binary turbo codes. Finally, performances of the proposed system came up to our expectations.
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