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An Energy-Efficient Physical Layer Adaptive Modulation Scheme for Wireless Sensor Networks

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3 Author(s)
Yadong Yu ; Shaoxing Univ., Shaoxing, China ; Rong Zhu ; Jingjing Dai

Wireless Sensor Networks pose numerous design challenges. They require long term, robust sensing for many applications. One important challenge is to design sensor networks that have long system lifetimes. Since the radio has the greatest impact on the energy consumption of the WSNs node, we present a physical layer adaptive channel coding and modulation scheme to lower the number of retransmission of package, then decrease the number of retransmission data because of error. So the energy consumption of the WSNs node can be saved and lifetime of the network is been extended. Experiment results show that the total amount of bits that are sent can be reduced by employing this scheme.

Published in:

2009 First International Conference on Information Science and Engineering

Date of Conference:

26-28 Dec. 2009