Noise-Referred Energy-Proportional Routing with Packet Length Adaptation for clustered sensor networks

Authors:
Chao-Lieh Chen;Jeng-Wei Lee;Wei-Tsung Su;Mong-Fong Horng;Yau-Hwang Kuo
Affiliations:
Department of Electronic Engineering, Kun-Shan University, Yung-Kang, Tainan, Taiwan, ROC.;Department of Computer Science and Information Engineering, National Cheng Kung University, Tainan, Taiwan, ROC.;Department of Computer Science and Information Engineering, National Cheng Kung University, Tainan, Taiwan, ROC.;Department of Computer Science and Information Engineering, Shu-Te University, Kao-Hsiung, Taiwan, ROC.;Department of Computer Science and Information Engineering, National Cheng Kung University, Tainan, Taiwan, ROC
Venue:
International Journal of Ad Hoc and Ubiquitous Computing
Year:
2008

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Abstract

The optimal Packet Length Adaptation (PLA) for throughput and energy utilisation in wireless networks with and without re-transmission is respectively derived and developed. A noise referred distance model of wireless channels is developed for accurate estimation of the dissipated proportion in the residual energy. To balance the load, the Energy-Proportional Routing (EPR) determines whether a cluster head or a node should either undertake forwarding tasks or transmit data to intermediate hops. The cooperation of PLA with the EPR algorithm effectively extends lifetime while throughput and energy utilisation are maximised even the distribution of channel noise is so unpredictable.