PRAM: a probing range adjusting mechanism in energy-efficient and sensibility-aware probing environment WSNs

Authors:
Kuan-Rong Lee;Po-Cheng Huang;Yau-Hwang Kuo;Ming-Zoo Wu
Affiliations:
Dep. IE, Kun Shan University, Tainan, Taiwan;Dep. CSIE, NCKU, Tainan, Taiwan;Dep. CSIE, NCKU, Tainan, Taiwan;Institute for Information Industry, Taiwan
Venue:
ICACT'09 Proceedings of the 11th international conference on Advanced Communication Technology - Volume 2
Year:
2009

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Abstract

In this paper, we explore the operations of probing environment sensor networks and force to define some mathematical models to describe the operations. By these models, a probing radius adjusting mechanism "PRAM" has been provided to control the trade-otT between energy efficiency, network scalability and sensing rate. PRAM can estimate the desirable probing range to minimize the energy consumption based on the premise that the required sensing rate and scalability of WSNs can be satisfied. Simulation results show PRAM can adjust exactly the value of probing range to satisfy the required sensing rate and extend substantially the life time of sensor networks.