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Research Article |

Performance Evaluation of DCSS using Two Level 1-Bit Hard Decision Strategies over TWDP Fading Channel

Author(s): Ankit D. Dobaria1 and Dr. Vishal S. Vora2

Published In : International Journal of Electrical and Electronics Research (IJEER)        Volume 10, Issue 4

Publisher : FOREX Publication

Published : 30 November 2022

e-ISSN : 2347-470X

Page(s) : 1064-1070

DOI: https://doi.org/10.37391/IJEER.100450

Abstract

The spectrum sensing method's dependability is greatly influenced by two of the most crucial factors, including various fading channels and nearby wireless users. Multipath fading, buried terminals, and shadowing are just a few of the challenges encountered by users of non-cooperative spectrum sensing systems. Cooperative spectrum sensing approach gives a remedy for this issue. With the use of the common receiver, CSS permits the user to detect the spectrum. Additionally, it has been separated into distributed CSS (D-CSS) and centralized CSS (C-CSS). By using particular rules to identify the presence of the licensed user, both concepts are compared to one another in this article. The effectiveness of cluster-based distributed cooperative spectrum sensing over two-wave diffuse power fading channels (TWDP Channel) is also examined in the article. Wei-bull and Hoyt fading channels are two examples of fading channels that have previously exploited this idea. In this paper, simulation findings for the less well-known two-wave with diffuse power channels are reviewed. This work mainly focused on CSS over TWDP fading channels along with several proposed approach for two stage hard decision strategies using AND fusion and OR fusion. The simulation performance findings for TWDP fading situation enhance the OR_AND fusion strategy detection performance at various SNR levels. The presented D-CSS approach helps users to get beyond the difficulty they have when using non-cooperative spectrum sensing and lists the relationship among detection efficiency and power consumption for Cognitive radio technology used in constrained wireless environments.

Keywords: Cognitive Radio, Cooperative spectrum sensing, Hard fusion strategies, Detection probability, Two-wave with diffuse power fading (TWDP), Missed-detection probability.




Ankit D. Dobaria*, Research Scholar, Department of Electronics & Communication, Atmiya University, Rajkot, Gujarat, India; Email: ankitdobaria2008@gmail.com

Dr. Vishal S. Vora, Associate Professor and Head, Department of Electronics & Communication, Atmiya University, Rajkot, Gujarat, India; Email: vishal.s.vora@gmail.com

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Ankit D. Dobaria and Dr. Vishal S. Vora (2022), Performance Evaluation of DCSS using Two Level 1-Bit Hard Decision Strategies over TWDP Fading Channel. IJEER 10(4), 1064-1070. DOI: 10.37391/IJEER.100450.