Publication Type:
Conference PaperSource:
Vehicular Technology Conference, 2007. VTC2007-Spring. IEEE 65th (2007)Keywords:
access protocols, energy efficiency, energy efficient distributed source coding, MAC, multirate wireless sensor network, PHY, rate oriented approach, source coding, telecommunication traffic, wireless sensor networksAbstract:
Signal processing applications such as Distributed Source Coding (DSC) in Wireless Sensor Network (WSN) are often multirate in nature, which provide additional significant opportunities in WSN design for achieving energy efficiency. In this paper, we analyze the DSC traffic for signal processing applications in multirate WSN and propose a novel rate oriented approach with MAC and PHY cross layer utilization to achieve high energy efficiency. Simulation results show that the proposed approach achieves significant energy efficiency by a factor of three while maintaining the transmission quality in WSN. This approach can be easily extended to other WSN MAC and PHY designs, providing multirate service to application layer to allow achieving higher energy efficiency
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