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@article{17126d8bba794af88b4ba459cacefb1e,
title = "Efficient Evidence-based Decision Fusion Scheme for Cooperative Spectrum Sensing in Cognitive Radio Networks",
abstract = "In this article, an evidence based decision fusion cooperative spectrum sensing (CSS) schemes has been considered for overcoming the hidden terminal problem, improving reliability, and increasing SU agility. Under practical conditions, the combination of conflicting evidences with the classical Dempster‐Shafer theory (DS theory) rule may produce counter‐intuitive results when combining the secondary users (SUs) sensing data evidence leading to poor CSS performance. In order to overcome and minimize the effect of conflicting data, and to enhance performance of the CSS system, a novel efficient evidence‐based decision fusion scheme CSS is proposed. The approach is based on the credibility of evidence from the SUs sensing decision, which represents the similarity or the relation among the different SUs sensing data evidence, and a dissociability degree measure that indicates the quality or clarity of the SUs sensing data evidence. Furthermore, a weighted averaging factor determined by the credibility and dissociability of the SU sensing data evidence is proposed. Simulation results presented show that under practical conditions the proposed scheme enhances the performance of the CSS system when compared to traditional fusion rules that do not take into account the difference in local sensing reliability between the SUs.",
keywords = "Dempter-Shafter theory, ambiguity measure, cognitive radio, cooperative spectrum sensing, credibility, data fusion",
author = "Oluyomi Simpson and Yichuang Sun",
note = "{\circledC} 2020 John Wiley & Sons, Ltd.. This is the accepted version of the following article: Simpson, O, Sun, Y. Efficient evidence‐based decision fusion scheme for cooperative spectrum sensing in cognitive radio networks. Trans Emerging Tel Tech. 2020;e3901., which has been published in final form at https://doi.org/10.1002/ett.3901.",
year = "2020",
month = "4",
day = "1",
doi = "10.1002/ett.3901",
language = "English",
volume = "31",
journal = "Transactions on Emerging Telecommunications Technologies",
issn = "2161-3915",
publisher = "Wiley",
number = "4",

}

RIS

TY - JOUR

T1 - Efficient Evidence-based Decision Fusion Scheme for Cooperative Spectrum Sensing in Cognitive Radio Networks

AU - Simpson, Oluyomi

AU - Sun, Yichuang

N1 - © 2020 John Wiley & Sons, Ltd.. This is the accepted version of the following article: Simpson, O, Sun, Y. Efficient evidence‐based decision fusion scheme for cooperative spectrum sensing in cognitive radio networks. Trans Emerging Tel Tech. 2020;e3901., which has been published in final form at https://doi.org/10.1002/ett.3901.

PY - 2020/4/1

Y1 - 2020/4/1

N2 - In this article, an evidence based decision fusion cooperative spectrum sensing (CSS) schemes has been considered for overcoming the hidden terminal problem, improving reliability, and increasing SU agility. Under practical conditions, the combination of conflicting evidences with the classical Dempster‐Shafer theory (DS theory) rule may produce counter‐intuitive results when combining the secondary users (SUs) sensing data evidence leading to poor CSS performance. In order to overcome and minimize the effect of conflicting data, and to enhance performance of the CSS system, a novel efficient evidence‐based decision fusion scheme CSS is proposed. The approach is based on the credibility of evidence from the SUs sensing decision, which represents the similarity or the relation among the different SUs sensing data evidence, and a dissociability degree measure that indicates the quality or clarity of the SUs sensing data evidence. Furthermore, a weighted averaging factor determined by the credibility and dissociability of the SU sensing data evidence is proposed. Simulation results presented show that under practical conditions the proposed scheme enhances the performance of the CSS system when compared to traditional fusion rules that do not take into account the difference in local sensing reliability between the SUs.

AB - In this article, an evidence based decision fusion cooperative spectrum sensing (CSS) schemes has been considered for overcoming the hidden terminal problem, improving reliability, and increasing SU agility. Under practical conditions, the combination of conflicting evidences with the classical Dempster‐Shafer theory (DS theory) rule may produce counter‐intuitive results when combining the secondary users (SUs) sensing data evidence leading to poor CSS performance. In order to overcome and minimize the effect of conflicting data, and to enhance performance of the CSS system, a novel efficient evidence‐based decision fusion scheme CSS is proposed. The approach is based on the credibility of evidence from the SUs sensing decision, which represents the similarity or the relation among the different SUs sensing data evidence, and a dissociability degree measure that indicates the quality or clarity of the SUs sensing data evidence. Furthermore, a weighted averaging factor determined by the credibility and dissociability of the SU sensing data evidence is proposed. Simulation results presented show that under practical conditions the proposed scheme enhances the performance of the CSS system when compared to traditional fusion rules that do not take into account the difference in local sensing reliability between the SUs.

KW - Dempter-Shafter theory

KW - ambiguity measure

KW - cognitive radio

KW - cooperative spectrum sensing

KW - credibility

KW - data fusion

UR - http://www.scopus.com/inward/record.url?scp=85081358739&partnerID=8YFLogxK

U2 - 10.1002/ett.3901

DO - 10.1002/ett.3901

M3 - Article

VL - 31

JO - Transactions on Emerging Telecommunications Technologies

JF - Transactions on Emerging Telecommunications Technologies

SN - 2161-3915

IS - 4

M1 - e3901

ER -