Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6264
Title: Analysis of Energy Efficiency of Compressive Sensing in Wireless Sensor Networks
Authors: Karakuş, Celalettin
Gürbüz, Ali Cafer
Tavlı, Bülent
Keywords: Compressive sensing (CS)
energy efficiency
mixed integer programming
network lifetime
wireless sensor networks (WSN)
Issue Date: 2013
Publisher: IEEE-Inst Electrical Electronics Engineers Inc
Abstract: Improving the lifetime of wireless sensor networks (WSNs) is directly related to the energy efficiency of computation and communication operations in the sensor nodes. Compressive sensing (CS) theory suggests a new way of sensing the signal with a much lower number of linear measurements as compared to the conventional case provided that the underlying signal is sparse. This result has implications on WSN energy efficiency and prolonging network lifetime. In this paper, the effects of acquiring, processing, and communicating CS-based measurements on WSN lifetime are analyzed in comparison to conventional approaches. Energy dissipation models for both CS and conventional approaches are built and used to construct a mixed integer programming framework that jointly captures the energy costs for computation and communication for both CS and conventional approaches. Numerical analysis is performed by systematically sampling the parameter space (i.e., sparsity levels, network radius, and number of nodes). Our results show that CS prolongs network lifetime for sparse signals and is more advantageous for WSNs with a smaller coverage area.
URI: https://doi.org/10.1109/JSEN.2013.2244036
https://hdl.handle.net/20.500.11851/6264
ISSN: 1530-437X
1558-1748
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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