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International Journal of Distributed Sensor Networks
Volume 2013 (2013), Article ID 579795, 7 pages
Research Article

A Conflict Avoidance Scheme for WiMedia Wireless Home Networks

1Department of Computer Education, Gyeongin National University of Education, Gyesan-Dong, San 59-12, 45 Gyodae-Gil, Gyeyang-Gu, Incheon 407-753, Republic of Korea
2Department of Computer Engineering, Seokyeong University, 16-1 Jungneung-Dong, Sungbuk-Ku, Seoul 136-704, Republic of Korea

Received 31 October 2012; Revised 22 February 2013; Accepted 8 March 2013

Academic Editor: Carlos Ramos

Copyright © 2013 Kyeong Hur et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


We propose an efficient resource reservation scheme for UWB (Ultrawideband) WPAN (Wireless Personal Area Network) with D-MAC (Distributed Medium Access Control). Since the WiMedia D-MAC supporting DRP (Distributed Reservation Protocol) scheme causes lots of conflicts due to failure of beacon detection in wireless channel environment, overall performances of the WiMedia D-MAC can be deteriorated. Therefore, we propose Relay DRP protocol, which makes a relay path to avoid DRP conflicts or harsh channel conditions through cooperative relay transmission scheme and is compliant with the current WiMedia D-MAC protocol. Simulation results demonstrate performance improvements of the proposed method for throughput and energy consumption.