Spectrum Sensing Techniques: An Overview

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Author(s): Rajib Biswas (Tezpur University, India)
Copyright: 2019
Pages: 8
Source title: Sensing Techniques for Next Generation Cognitive Radio Networks
Source Author(s)/Editor(s): Ashish Bagwari (Uttrakhand Technical University, India), Jyotshana Bagwari (Uttrakhand Technical University, India)and Geetam Singh Tomar (THDC Institute of Hydropower Engineering and Technology, India)
DOI: 10.4018/978-1-5225-5354-0.ch007

Keywords: Information Science Reference / Media & Communications / Networking and Telecommunications / Wireless Systems

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Abstract

Cognitive radio has come a long way in the recent years with the advent of improved algorithms and instrumentation. However, for ease and efficient working of cognitive radio, there is a need to have effective detection of spectrum sensing. The objective of spectrum sensing techniques is to find spectrum holes which can be accessible by the users of cognitive radio. The deployment of suitable sensing techniques reduces undesirable congestion in traffic and enhancement of spectrum usage. All these require sensing techniques whose main goal is oriented towards efficient identification and subsequent deployment of spectrum. This chapter is aimed to give a brief overview of some spectrum sensing techniques. An attempt is made to give the characteristics of the highly deployable sensing schemes. Accordingly, the merits and demerits are comprehensively highlighted. Further, emphasis has been given to relevant future challenges.

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Spectrum Sensing Techniques: An Overview

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