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Appl. Sci. 2016, 6(12), 396; doi:10.3390/app6120396

Probability of Interference-Optimal and Energy-Efficient Analysis for Topology Control in Wireless Sensor Networks

Research Center on Software Technologies and Multimedia Systems for Sustainability, Universidad Politécnica de Madrid, Madrid 28040, Spain
Author to whom correspondence should be addressed.
Academic Editor: Elli Kartsakli
Received: 23 September 2016 / Revised: 19 November 2016 / Accepted: 25 November 2016 / Published: 30 November 2016
(This article belongs to the Special Issue Green Wireless Networks)


Because wireless sensor networks (WSNs) have been widely used in recent years, how to reduce their energy consumption and interference has become a major issue. Topology control is a common and effective approach to improve network performance, such as reducing the energy consumption and network interference, improving the network connectivity, etc. Many topology control algorithms reduce network interference by dynamically adjusting the node transmission range. However, reducing the network interference by adjusting the transmission range is probabilistic. Therefore, in this paper, we analyze the probability of interference-optimality for the WSNs and prove that the probability of interference-optimality increases with the increasing of the original transmission range. Under a specific transmission range, the probability reaches the maximum value when the transmission range is 0.85r in homogeneous networks and 0.84r in heterogeneous networks. In addition, we also prove that when the network is energy-efficient, the network is also interference-optimal with probability 1 both in the homogeneous and heterogeneous networks. View Full-Text
Keywords: probability; interference-optimal; energy-efficient; topology control; wireless sensor networks probability; interference-optimal; energy-efficient; topology control; wireless sensor networks

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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Li, N.; Martínez-Ortega, J.-F.; Diaz, V.H.; Meneses Chaus, J.M. Probability of Interference-Optimal and Energy-Efficient Analysis for Topology Control in Wireless Sensor Networks. Appl. Sci. 2016, 6, 396.

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