Cooperative Distributed MAC Design for Cross-layer Link Adaptation of UWB WPAN Devices

Authors:
Yang-Ick Joo;Kyeong Hur
Affiliations:
Division of Electrical and Electronics Engineering, Korea Maritime University, Busan, Korea 606-791;Department of Computer Education, Gyeongin National University of Education, Inchon, Korea 407-753
Venue:
Wireless Personal Communications: An International Journal
Year:
2013

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Abstract

In this paper, we propose an efficient resource reservation scheme using cross-layer link adaptation for Ultra Wide Band Wireless Personal Area Network with Distributed Medium Access Control (D-MAC). Since the WiMedia D-MAC supporting Distributed Reservation Protocol (DRP) 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 with Relay Node Selection criterion, which makes a relay path to avoid DRP conflicts or harsh channel conditions through cross-layer link adaptation of 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.