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Waveform Designs for Cognitive Radio and Dynamic Spectrum Access Applications

  • Ahmet Yazar
  • Mohamed Elkourdi
  • Huseyin Arslan
Living reference work entry

Abstract

Cognitive radio and dynamic spectrum access systems are effective ways of using radio spectrum which is a scarce source. Cognitive radio applications changed the paradigm for the wireless communications systems in the past decades. Besides that, different communications systems and wireless communications channels require different waveform designs and radio access technologies. In this study, a general design and evaluation procedure for the new waveform techniques are presented based on cognitive radio and dynamic spectrum access requirements. Radio access technology researches for the future-generation cellular systems and cognitive radio systems intersect to each other. Therefore, some of the future waveform designs and related modifications are analyzed under the cognitive radio perspective. Several waveforms which have various trade-off situations are discussed from a general perspective and an adaptivity/flexibility perspective.

Keywords

Orthogonal Frequency Division Multiplex Cognitive Radio Orthogonal Frequency Division Multiplex System Orthogonal Frequency Division Multiple Access Cyclic Prefix 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2017

Authors and Affiliations

  • Ahmet Yazar
    • 1
  • Mohamed Elkourdi
    • 2
  • Huseyin Arslan
    • 1
    • 2
  1. 1.Department of Electrical and Electronics EngineeringIstanbul Medipol UniversityIstanbulTurkey
  2. 2.Department of Electrical EngineeringUniversity of South FloridaTampaUSA

Section editors and affiliations

  • Wei Zhang
    • 1
  1. 1.School of Electrical Engineering and TelecommunicationsThe University of New South WalesSydneyAustralia

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