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Optimal Sensing and Transmission of Energy Efficient Cognitive Radio Networks

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Abstract

The issue of spectrum scarcity can be alleviated by the cognitive radio technology with efficient spectrum sensing and allocation of free spectrum bands. In Cognitive Radio Networks energy efficiency improvement is the state of art now days. This paper considers the case of primary user protection from cognitive user transmission to optimize the energy efficiency. The parameters of optimal design problem are sensing, transmission time and transmission power. A Sub Optimal Iterative Search Algorithm is proposed to maximize efficiency by optimizing sensing time and transmitting time. Simulation results exhibits substantial improvement in energy efficiency compared to the recent algorithms.

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Authors and Affiliations

  1. E&CE Department, AKGEC, Ghaziabad, India

    Meenakshi Awasthi

  2. E&CE Department, JUIT, Waknaghat, India

    M. J. Nigam

  3. E&CE Department, IIT, Roorkee, India

    Vijay Kumar

Authors
  1. Meenakshi Awasthi
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  2. M. J. Nigam
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  3. Vijay Kumar
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Correspondence to Meenakshi Awasthi.

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Awasthi, M., Nigam, M.J. & Kumar, V. Optimal Sensing and Transmission of Energy Efficient Cognitive Radio Networks. Wireless Pers Commun 111, 1283–1294 (2020). https://doi.org/10.1007/s11277-019-06914-w

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