A SURVEY ON COGNITIVE RADIO, ITS NEED AND PARADIGMS

Rohit Dahiya, Vikas Sindhu

Abstract


A network plays an important role in our day to day life. Wireless technologies, for their transportability, flexibility and maintenance are getting widely popular in networks in today’s era. The wide use of wireless technologies in turn, leads to spectrum scarcity as licensed users occupies a big part of the spectrum. Cognitive Radio (CR) technology is an ultimate approach to encounter spectrum scarceness issues arising in wireless communications. CR provides spectrum access to secondary users without affecting the activities of primary users and thus ensure smooth communication. In this paper, we discuss some basic terms and recent literature surveys related to it.

Keywords


Cognitive Radio; Underlay; Overlay; interweave; Dynamic Spectrum access

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References


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DOI: https://doi.org/10.26483/ijarcs.v8i9.5082

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