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Wireless sensor network- energy efficient data gathering.
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Abstract— Wireless sensor networks are mainly resource constrained with less memory space, limited power supply, processing speed and availability of bandwidth for communication. One of the most important challenges in wireless sensor networks is to design energy-efficient data gathering a network which increases the lifetime of wireless sensor networks. Due to an enormous deployment of sensors, a tremendous data isgenerated by these sensor networks. Processing and transportation of such a huge data increase the energy consumption of sensor nodes along with an increase in network traffic. It is observed that processed data requires less power as compared to transmitting data in the wireless medium. Hence, it is more significant to apply compressed sensing algorithm at sensing node. Compressive sensing (CS) technique generates a sparse signal of few nonzero samples from the original signal at sub-Nyquist sampling rate where reconstruction of the original signal is possible even with few sparse samples. Thus, all the necessary and more accurateinformation can be obtained from the data gathered by wireless sensor networks with less number of samples. In this paper, we compare three types of data gathering technique.

Subject:
Engineering
Material Type:
Module
Author:
sonali abhijeet padalkar
Maheshwari Marne
Date Added:
11/01/2017