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Morshed, S. and Heijenk, G.J. (2015) Optimization and Verification of the TR-MAC Protocol for Wireless Sensor Networks. In: Proceedings of the 13th International Conference on Wired/Wireless Internet Communications, WWIC 2015, Revised Selected Papers, May 25-27, 2015, Malaga, Spain. pp. 396-410. Lecture Notes in Computer Science 9071. Springer International Publishing. ISSN 0302-9743 ISBN 978-3-319-22571-5
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Official URL: http://dx.doi.org/10.1007/978-3-319-22572-2_29
Energy-efficiency is an important requirement in the design of communication protocols for wireless sensor networks (WSN). TR-MAC is an energy-efficient medium access control (MAC) layer protocol for low power WSN that exploits transmitted-reference (TR) modulation in the physical layer. The underlying TR modulation in TR-MAC provides faster synchronization and signal acquisition without requiring channel estimation and complex rake receiver in the receiver side. TR modulation also enables multiple access for a pair of nodes using different frequency offsets. This paper introduces an explicit expression that allows the TR-MAC protocol to minimize its energy consumption, depending on the experienced traffic load. Furthermore, an implementation of the protocol in the OMNeT++ simulator with MiXiM simulation framework is introduced, and analytical results introduced in  are verified by simulation results obtained using the simulator.
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