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Handbook of Cognitive Radio pp 1–36Cite as

Cognitive Radio and TV White Space (TVWS) Applications

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Abstract

As more user applications emerge for wireless devices, the corresponding amount of traffic is rapidly expanding, with the corollary that ever-greater spectrum capacity is required. Service providers are experiencing deployment blockages due to insufficient bandwidth being available to accommodate such devices. TV White Space (TVWS) represents an opportunity to supplement existing licensed spectrum by exploiting unlicensed resources. TVWS spectrum has materialized from the unused TV channels in the switchover from analogue to digital platforms. The main obstacles to TVWS adoption are reliable detection of primary users (PU) i.e., TV operators and consumers, allied with specifically, the hidden node problem. This chapter presents a new generalized enhanced detection algorithm (GEDA) that exploits the unique way digital terrestrial TV (DTT) channels are deployed in different geographical areas. GEDA effectively transforms an energy detector into a feature sensor to achieve significant improvements in detection probability of a DTT PU. Furthermore, by framing a novel margin strategy utilizing a keep-out contour, the hidden node issue is resolved and a viable secondary user sensing solution formulated. Experimental results for a cognitive radio TVWS model have formalized both the bandwidth and throughput gains secured by TVWS users with this new paradigm.

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Author information

Authors and Affiliations

  1. IP/Optical Networks (ION), Nokia, Bristol, UK

    J. H. Martin

  2. School of Computing and Communications, The Open University, Milton Keynes, UK

    J. H. Martin

  3. School of Computing and Communications, The Open University, Milton Keynes, UK

    L. S. Dooley & K. C. P. Wong

Authors
  1. J. H. Martin
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  2. L. S. Dooley
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  3. K. C. P. Wong
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Corresponding author

Correspondence to J. H. Martin .

Editor information

Editors and Affiliations

  1. Electrical Engg Bldg, Rm 325, The University of New South Wales, Sydney, NSW, Australia

    Wei Zhang

Section Editor information

  1. School of Electronic Engineering and Computer Science, Queen Mary University of London, London, UK

    Yue Gao

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Martin, J.H., Dooley, L.S., Wong, K.C.P. (2018). Cognitive Radio and TV White Space (TVWS) Applications. In: Zhang, W. (eds) Handbook of Cognitive Radio . Springer, Singapore. https://doi.org/10.1007/978-981-10-1389-8_62-1

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  • DOI: https://doi.org/10.1007/978-981-10-1389-8_62-1

  • Published:

  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-1389-8

  • Online ISBN: 978-981-10-1389-8

  • eBook Packages: Springer Reference EngineeringReference Module Computer Science and Engineering

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