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Sensors 2015, 15(7), 16162-16195; doi:10.3390/s150716162

Modular Energy-Efficient and Robust Paradigms for a Disaster-Recovery Process over Wireless Sensor Networks

Department of Computer Science, University of Bridgeport, 126 Park Avenue, Bridgeport, CT 06604, USA
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Author to whom correspondence should be addressed.
Academic Editor: Mohamed F. Younis
Received: 10 January 2015 / Revised: 14 June 2015 / Accepted: 25 June 2015 / Published: 6 July 2015
(This article belongs to the Section Sensor Networks)
View Full-Text   |   Download PDF [1630 KB, uploaded 6 July 2015]   |  

Abstract

Robust paradigms are a necessity, particularly for emerging wireless sensor network (WSN) applications. The lack of robust and efficient paradigms causes a reduction in the provision of quality of service (QoS) and additional energy consumption. In this paper, we introduce modular energy-efficient and robust paradigms that involve two archetypes: (1) the operational medium access control (O-MAC) hybrid protocol and (2) the pheromone termite (PT) model. The O-MAC protocol controls overhearing and congestion and increases the throughput, reduces the latency and extends the network lifetime. O-MAC uses an optimized data frame format that reduces the channel access time and provides faster data delivery over the medium. Furthermore, O-MAC uses a novel randomization function that avoids channel collisions. The PT model provides robust routing for single and multiple links and includes two new significant features: (1) determining the packet generation rate to avoid congestion and (2) pheromone sensitivity to determine the link capacity prior to sending the packets on each link. The state-of-the-art research in this work is based on improving both the QoS and energy efficiency. To determine the strength of O-MAC with the PT model; we have generated and simulated a disaster recovery scenario using a network simulator (ns-3.10) that monitors the activities of disaster recovery staff; hospital staff and disaster victims brought into the hospital. Moreover; the proposed paradigm can be used for general purpose applications. Finally; the QoS metrics of the O-MAC and PT paradigms are evaluated and compared with other known hybrid protocols involving the MAC and routing features. The simulation results indicate that O-MAC with PT produced better outcomes. View Full-Text
Keywords: wireless sensor networks; operational medium access control protocol; QoS; energy-efficiency; pheromone termite; disaster recovery wireless sensor networks; operational medium access control protocol; QoS; energy-efficiency; pheromone termite; disaster recovery
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Razaque, A.; Elleithy, K. Modular Energy-Efficient and Robust Paradigms for a Disaster-Recovery Process over Wireless Sensor Networks. Sensors 2015, 15, 16162-16195.

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