PRMAC: pPipelined routing enhanced MAC protocol for wireless sensor networks

Authors:
Turkmen Canli;Ashfaq Khokhar
Affiliations:
Electrical and Computer Engineering Department, The University of Illinois at Chicago, Chicago, IL;Computer Science Department, The University of Illinois at Chicago, Chicago, IL
Venue:
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Year:
2009

Citing 2
Cited 2

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Abstract

We describe a novel pipelined routing enhanced MAC protocol (PRMAC) for wireless sensor networks that employs cross layer optimization to realize efficient channel access over multiple hops. The main goal of the protocol is to schedule multi hop transmissions of data packets in a single cycle to reduce end-to-end delay. When nodes are awake, a multi-hop flow is constructed using the information from the routing layer, and data packet transmission is scheduled in the subsequent sleep period. When compared with existing solutions such as RMAC, our ns-2 based simulation results show an average 62.2% reduction in end to end packet delivery time for unicast traffic on random networks and up to 200% improvement in delivery ratio on multi-hop chains.