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A Review of Cooperative Spectrum Sensing in Cognitive Radios

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Advancement in Sensing Technology

Part of the book series: Smart Sensors, Measurement and Instrumentation ((SSMI,volume 1))

Abstract

Dramatically increasing requests for frequency bands in recent years, which has resulted in spectrum scarcity, lead us to examine the feasibility of dynamic spectrum access (DSA) technology. Cognitive radio (CR) has been considered as the key enabler of DSA because of its capability to perform spectrum sensing by using different detection techniques that guarantee acceptable probability of interference to primary users (PU), due to secondary user(s) (SU) access. Furthermore, cooperative spectrum sensing, which combines the observations/decision from a number of CR nodes, in order to determine the presence or absence of a PU signal, can yield better performance than that arrived by a single CR alone. This chapter provides a review of techniques and challenges encountered in cooperative spectrum sensing.

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Author information

Authors and Affiliations

  1. Department of Electrical & Computer Engineering, Southern Illinois University, Carbondale, Illinois, USA

    Babak Ahsant

  2. Department of Electrical Engineering, University of Mississippi University, Oxford, MS, 38677-1848, USA

    Ramanarayanan Viswanathan

Authors
  1. Babak Ahsant
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  2. Ramanarayanan Viswanathan
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Corresponding author

Correspondence to Babak Ahsant .

Editor information

Editors and Affiliations

  1. School of Engineering and Advanced Techn, AgHort Bldg A, Rm 3.77, Massey University (Manawatu Campus), Manawatu Campus, Palmerston North, 4410, New Zealand

    Subhas Chandra Mukhopadhyay

  2. Institute of Fundamental Sciences (IFS), Massey University (Turitea), Woodgate Court 12, Palmerston North, 4442, New Zealand

    Krishanthi P. Jayasundera

  3. , Inst. of Elect. Measurement, Graz University of Technology, Kopernikusgasse 24/IV, Graz, 8010, Austria

    Anton Fuchs

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Ahsant, B., Viswanathan, R. (2013). A Review of Cooperative Spectrum Sensing in Cognitive Radios. In: Mukhopadhyay, S., Jayasundera, K., Fuchs, A. (eds) Advancement in Sensing Technology. Smart Sensors, Measurement and Instrumentation, vol 1. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-32180-1_4

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  • DOI: https://doi.org/10.1007/978-3-642-32180-1_4

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-32179-5

  • Online ISBN: 978-3-642-32180-1

  • eBook Packages: EngineeringEngineering (R0)

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