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A Conflict-Avoided Resource Reservation using Reservation Diversity for UWB WPAN with Distributed MAC Protocol
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  • A Conflict-Avoided Resource Reservation using Reservation Diversity for UWB WPAN with Distributed MAC Protocol
  • A Conflict-Avoided Resource Reservation using Reservation Diversity for UWB WPAN with Distributed MAC Protocol
저자명
Joo. Yang-Ick,Hur. Kyeong
간행물명
International journal of maritime information and communication sciences
권/호정보
2011년|9권 4호|pp.405-410 (6 pages)
발행정보
한국정보통신학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

In this paper, a conflict-avoided resource reservation scheme for UWB (Ultra Wide Band) WPAN (Wireless Personal Area Network) with D-MAC (Distributed Medium Access Control) is proposed. Since distributed characteristic of the WiMedia D-MAC supporting DRP (Distributed Reservation Protocol) scheme may cause lots of conflicts, overall performances of the WiMedia D-MAC can be deteriorated. In addition, once a DRP conflict occurs, only one of the DRP reservations involved in that DRP conflict maintains the reserved MASs, while the other DRP reservation must be terminated and DRP negotiations for them have to be re-started. Such DRP termination and renegotiation time delays due to the DRP conflicts can be a critical problem to the mobile devices transceiving real-time QoS traffic streams. Therefore, we propose a mechanism to avoid DRP conflicts by providing a kind of path diversity using relay transmission scheme and demonstrate its performance improvements via simulation results.