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An Efficient Medium Access Control Protocol with Parallel Transmission for Wireless Sensor Networks

Graduate School of Global Information and Telecommunication Studies, Waseda University, Tokyo 169-0051, Japan
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J. Sens. Actuator Netw. 2012, 1(2), 111-122; https://doi.org/10.3390/jsan1020111
Received: 20 June 2012 / Revised: 15 August 2012 / Accepted: 22 August 2012 / Published: 27 August 2012
In this paper, we present a novel low power medium access control protocol for wireless sensor networks (WSNs). The proposed protocol, EP-MAC (Efficient MAC with Parallel Transmission) achieves high energy efficiency and high packet delivery ratio under different traffic load. EP-MAC protocol is basically based on the Time Division Multiple Access (TDMA) approach. The power of Carrier Sense Multiple Access (CSMA) is used in order to offset the fundamental problems that the stand-alone TDMA method suffers from, i.e., problems such as lack of scalability, adaptability to varying situations, etc. The novel idea behind the EP-MAC is that it uses the parallel transmission concept with the TDMA link scheduling. EP-MAC uses the methods for the transmission power adjustment, i.e., uses the minimum level power necessary to reach the intended neighbor within a specified bit error rate [BER] target. This reduces energy consumption, as well as further enhances the scope of parallel transmission of the protocol. The simulation studies support the theoretical results, and validate the efficiency of our proposed EP-MAC protocol. View Full-Text
Keywords: medium access control; energy efficiency; parallel transmission; wireless sensor network; carrier sense multiple access medium access control; energy efficiency; parallel transmission; wireless sensor network; carrier sense multiple access
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Arifuzzaman, M.; Matsumoto, M. An Efficient Medium Access Control Protocol with Parallel Transmission for Wireless Sensor Networks. J. Sens. Actuator Netw. 2012, 1, 111-122.

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