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http://dx.doi.org/10.6109/jkiice.2014.18.6.1435

A Priority-based Time Slot Allocation Protocol for Hybrid MAC in WSNs  

Nam, Jae-Hyun (Department of IT, Silla University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.18, no.6, 2014 , pp. 1435-1440 More about this Journal
Abstract
Nodes in WSNs must operate under limited energy resource. Controlling access to the channel in WSNs plays a key role in determining channel utilization and energy consumption. This paper introduces a priority-based time slot allocation protocol for hybrid TDMA/CSMA MAC in WSNs. This protocol combines both TDMA and CSMA techniques while introducing prioritization by (m,k)-firm constraint. The performance of this protocol is obtained through simulations for various number of nodes and show significant improvements in delay and packet delivery ratio compared to S-MAC.
Keywords
time slot allocation protocol; prioritization; hybrid TDMA/CSMA; (m,k)-firm constraint; WSNs;
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