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Open AccessFeature PaperArticle

Coalition Formation Based Compressive Sensing in Wireless Sensor Networks

Pervasive Systems, Department of Computer Science, University of Twente, Drienerlolaan 5, 7522 NB Enschede, The Netherlands
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These authors contributed equally to this work.
Sensors 2018, 18(7), 2331; https://doi.org/10.3390/s18072331
Received: 13 May 2018 / Revised: 8 July 2018 / Accepted: 13 July 2018 / Published: 18 July 2018
Compressive sensing originates in the field of signal processing and has recently become a topic of energy-efficient data gathering in wireless sensor networks. In this paper, we propose an energy efficient distributed compressive sensing solution for sensor networks. The proposed solution utilizes sparsity distribution of signals to group sensor nodes into several coalitions and then implements localized compressive sensing inside coalitions. This solution improves data-gathering performance in terms of both data accuracy and energy consumption. The approach curbs both data-transmission costs and number of measurements. Coalition-based data gathering cuts transmission costs, and the number of measurements is reduced by scheduling sensor nodes and adjusting their sampling frequency. Our simulation showed that our approach enhances network performance by minimizing energy cost and improving data accuracy. View Full-Text
Keywords: compressive sensing; coalition; sparsity; belief propagation; joint sparse recovery compressive sensing; coalition; sparsity; belief propagation; joint sparse recovery
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Masoum, A.; Meratnia, N.; Havinga, P.J.M. Coalition Formation Based Compressive Sensing in Wireless Sensor Networks. Sensors 2018, 18, 2331.

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