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A pseudo-random asynchronous duty cycle MAC protocol in wireless sensor networks

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5 Author(s)
Hanjin Lee ; Dept. of Comput. Sci., KAIST, Daejeon, South Korea ; Jaeyoung Hong ; Suho Yang ; Ingook Jang
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We propose a pseudo-random asynchronous duty cycle MAC protocol in wireless sensor networks. The proposed protocol adopts a hash function to determine the next wake-up times. As the next wake-up times are known in advance, the sensor nodes do not need to remain active until their intended receivers wake up. Given an end-to-end delay requirement, the proposed protocol significantly decreases energy consumption by reducing the idle listening time.

Published in:

Communications Letters, IEEE  (Volume:14 ,  Issue: 2 )