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Open AccessArticle

Distributed Routing and Channel Selection for Multi-Channel Wireless Sensor Networks

by 1,*,‡ and 2,‡
1
Computer and Information Sciences, Temple University, Philadelphia, PA 19122-1801, USA
2
Electrical and Computer Engineering, The University of North Carolina at Charlotte, Charlotte, NC 28223-0001, USA
*
Author to whom correspondence should be addressed.
This paper is an extended version of our paper published in IEEE PerSeNs 2013, named “DRCS: A Distributed Routing and Channel Selection Scheme for Multi-Channel Wireless Sensor Networks”.
The authors contributed equally to this work.
J. Sens. Actuator Netw. 2017, 6(3), 10; https://doi.org/10.3390/jsan6030010
Received: 12 March 2017 / Revised: 23 June 2017 / Accepted: 24 June 2017 / Published: 3 July 2017
(This article belongs to the Special Issue Rechargeable Sensor Networks: Technology, Protocols, and Algorithms)
We propose a joint channel selection and quality aware routing scheme for multi-channel wireless sensor networks that apply asynchronous duty cycling to conserve energy, which is common in many environmental monitoring applications. Energy resources may vary from node to node due to differential consumption as well as availability, as observed in rechargeable sensor networks. A data collection traffic pattern is assumed, where all sensor nodes periodically forward sensor data to a centralized base station (sink). Under these assumptions, the effect of overhearing dominates the energy consumption of the nodes. The proposed scheme achieves lifetime improvement by reducing the energy consumed in overhearing and also by dynamically balancing the lifetimes of nodes. Performance evaluations are presented from experimental tests as well as from extensive simulation studies, which show that the proposed scheme reduces overhearing by ∼60% with just 2 channels without significantly affecting the network performance. View Full-Text
Keywords: wireless sensor networks; multi-channel routing; distributed algorithms wireless sensor networks; multi-channel routing; distributed algorithms
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Pal, A.; Nasipuri, A. Distributed Routing and Channel Selection for Multi-Channel Wireless Sensor Networks. J. Sens. Actuator Netw. 2017, 6, 10.

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