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http://dx.doi.org/10.6109/jkiice.2014.18.3.526

Relay Transmission Protocol for Mobility Support in WiMedia Distributed MAC Systems  

Hur, Kyeong (Department of Computer Education, Gyeongin National University of Education)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.18, no.3, 2014 , pp. 526-534 More about this Journal
Abstract
In this paper, for the WiMedia Distributed Medium Access Control (D-MAC) protocol based on UWB. performance degradation due to the Distributed Reservation Protocol (DRP) conflict problem caused by devices' mobility is analyzed. And a DRP relay protocol and a DRP conflict resolution (CR) are proposed to overcome the performance degradation at DRP conflicts. In order to give the loser device at DRP conflicts a chance to maintain resources, the proposed DRP relay protocol executed at each device helps the loser device reserve an indirect link maintaining the required resources via a relay node. Simulation results considering the mobile environment have indicated that the DRP relay combined with the CR prevent the throughput decrease even though mobility of devices increases.
Keywords
High Rate WPAN (Wireless Personal Area Networks); Relay Communications; Wireless Home Networks; Distributed MAC; Mobility; UWB;
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