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25422 Max-Min Fair Link Quality in WSN Based on SINR
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Gogu, A. and Nace, D. and Chatterjea, S. and Dilo, A. (2014) Max-Min Fair Link Quality in WSN Based on SINR. Journal of Applied Mathematics, 2014. pp. 1-11. ISSN 1110-757X

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Official URL: http://dx.doi.org/10.1155/2014/693212

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Abstract

This paper addresses first the problem of max-min fair (MMF) link transmissions in wireless sensor networks (WSNs) and in a second stage studies the joint link scheduling and transmission power assignment problem.Given a set of concurrently transmitting links, the MMF link transmission problem looks for transmission powers of nodes such that the signal-to-interference and noise ratio (SINR) values of active links satisfy max-min fairness property. By guaranteeing a “fair” transmission medium (in terms of SINR), other network requirements may be directly affected, such as the schedule length, the throughput (number of concurrent links in a time slot), and energy savings.Hence, the whole problem seeks to find a feasible schedule and a power assignment scheme such that the schedule length is minimized and the concurrent transmissions have a fair quality in terms of SINR.The focus of this study falls on the transmission power control strategy, which ensures that every node that is transmitting in the network chooses a transmission power that will minimally affect the other concurrent transmissions and, even more, achieves MMF SINR values of concurrent link transmissions.We show that this strategy may have an impact on reducing the network time schedule.

Item Type:Article
Research Group:EWI-PS: Pervasive Systems
Research Program:CTIT-WiSe: Wireless and Sensor Systems
Research Project:ReconSurve NL: A Reconfigurable Surveillance System With Smart Sensors And Communication
ID Code:25422
Status:Published
Deposited On:05 January 2015
Refereed:Yes
International:Yes
More Information:statisticsmetis

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