NDLI: A Two-Layer Controller Scheme for Efficient Signal Reconstruction and Lifetime Elongation in Wireless Sensor Networks

Content Provider	IEEE Xplore Digital Library
Author	Frezzetti, A. Manfredi, S.
Copyright Year	2001
Abstract	Random sampling compressive sensing (RSCS) is a prominent compression algorithm suitable for wireless sensor network as it can significantly reduce the number of samples required for signal reconstruction. This improves the network lifetime, but can introduce uncertainty in the signal reconstruction. In this paper, we propose a two-layer controller that ensures efficient signal reconstruction (i.e., low level of reconstruction error) and high network lifetime. The proposed controller is composed of a global controller, developed at the fusion center layer, and two local controllers, implemented at each node layer. The former steers the RSCS reconstruction error to a desired value, while the latter are implemented to reduce the energy consumption of each node. A performance evaluation of the proposed scheme is carried out in terms of reconstruction error regulation and network lifetime. Simulation results show the effectiveness of the proposed scheme compared with two main strategies existing in the literature.
Sponsorship	IEEE Sensors Council
Starting Page	2172
Ending Page	2179
Page Count	8
File Size	8658331
File Format	PDF
ISSN	1530437X
Volume Number	16
Issue Number	7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2016-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Energy consumption Signal reconstruction Sensors Compressed sensing Monitoring Batteries Performance evaluation Wireless Sensor Networks Monitoring application Compressive Sensing Random Sampling Compressive Sensing Network Lifetime
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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