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Link Recovery Scheme Using Cooperative Communication for VLC System
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  • Link Recovery Scheme Using Cooperative Communication for VLC System
  • Link Recovery Scheme Using Cooperative Communication for VLC System
저자명
레투안남,최선웅,장영민,Le. Nam-Tuan,Choi. Sun-Woong,Jang. Yeong-Min
간행물명
한국통신학회논문지. The Journal of Korea Information and Communications Society. 네트워크 및 서비스
권/호정보
2012년|5호|pp.357-364 (8 pages)
발행정보
한국통신학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

In Visible Light Communication (VLC) system, with the limitation of transmission range and Field Of View (FOV), LOS (Line of Sight) link between two transceivers should be guaranteed due to the straightness of the visible-light signal. Especially for indoor applications, link recovery is an advantage method to remain the link connection because of the link failure in which caused by movement obstacle. Link recovery schemes try to keep link dynamically without re-initialing connection. This article proposes a new link recover scheme for VLC system by using cooperative communication. Our propose scheme focuses on the QoS reservation resource by GTS in IEEE 802.15.7 specification in which the requested QoS resource from client should be guarantee during the application time. With the link recovery scheme, we will try to continue the link connection as long as possible when unexpected disconnect link. The mathematical analysis and simulation results show that proposed scheme increases the overall reliability of the VLC system.