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Ayele, E.D. and Meratnia, N. and Havinga, P.J.M. (2016) HAMA: A Herd-Movement Adaptive MAC Protocol for Wireless Sensor Networks. In: Proceedings of the 8th IFIP International Conference on New Technologies, Mobility and Security, NTMS 2016, 21-23 Nov 2016, Larnaca, Cyprus. pp. 1-7. IEEE Computer Society. ISSN 2157-4960 ISBN 978-1-5090-2915-0
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Official URL: http://dx.doi.org/10.1109/NTMS.2016.7792456
In this paper we propose HAMA, i.e. a herd-movement adaptive medium access control protocol suitable for wireless sensor networks with mobile nodes. The specific focus of HAMA is wildlife monitoring applications, in which network protocol is required to adapt to the movement patterns of herds to make the communication more energy-efficient and reliable. The protocol is an extension of preamble sampling scheme with an adaptive sleep-interval based on network traffic conditions. We have implemented and evaluated HAMA on Contiki Cooja platform. Our simulation results show 22.28%-52.28% reduction of average network energy consumption as well as 11.65%-14.63% reduction of average end-to-end latency when HAMA is compared with A-MAC and X- MAC. The overall packet reliability of the gateway node(s) is also increased by up to 16.3%.
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