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A Review of Spectrum Sensing Techniques for Cognitive Radio

by Md. Shahnawaz Shaikh, Kamlesh Gupta
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 94 - Number 8
Year of Publication: 2014
Authors: Md. Shahnawaz Shaikh, Kamlesh Gupta
10.5120/16360-5781

Md. Shahnawaz Shaikh, Kamlesh Gupta . A Review of Spectrum Sensing Techniques for Cognitive Radio. International Journal of Computer Applications. 94, 8 ( May 2014), 1-5. DOI=10.5120/16360-5781

@article{ 10.5120/16360-5781,
author = { Md. Shahnawaz Shaikh, Kamlesh Gupta },
title = { A Review of Spectrum Sensing Techniques for Cognitive Radio },
journal = { International Journal of Computer Applications },
issue_date = { May 2014 },
volume = { 94 },
number = { 8 },
month = { May },
year = { 2014 },
issn = { 0975-8887 },
pages = { 1-5 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume94/number8/16360-5781/ },
doi = { 10.5120/16360-5781 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T22:17:04.314495+05:30
%A Md. Shahnawaz Shaikh
%A Kamlesh Gupta
%T A Review of Spectrum Sensing Techniques for Cognitive Radio
%J International Journal of Computer Applications
%@ 0975-8887
%V 94
%N 8
%P 1-5
%D 2014
%I Foundation of Computer Science (FCS), NY, USA
Abstract

This paper explores the concept for dynamic spectrum allocation and investigates different aspects of spectrum sensing in cognitive radio (CR) technology. CR systems are radios with the ability to exploit their environment to increase spectral efficiency and capacity. CR technology explores, an opportunistic and promising technology to utilize available communication spectrum in efficient and dynamic way. It proposes secondary users to optimally utilize reserved frequency bands of primary users that are not occupied all the time by primary users. This increases spectrum efficiency of available communication spectra. Spectrum sensing is a basic approach and requirement to implement cognitive radio technology. It is one of the most challenging issues of CR process to prevent interference between primary user and secondary user. In this paper we explore various spectrum sensing techniques such as matched filtering, energy detection, cyclostationary feature detection, and cooperative spectrum sensing techniques. We also highlight the strengths, weaknesses, parameters concerned and feasibilities of these techniques with comparison among them. Various challenges and the parameters which can affect performance of these techniques are also discussed.

References
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Index Terms

Computer Science
Information Sciences

Keywords

cognitive spectrum sensing energy detection matched filtering cyclostationary detection cooperative sensing.

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