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Joint Optimization of Sensing and Power Allocation in Energy-Harvesting Cognitive Radio Networks

Published: 20 September 2017 Publication History

Abstract

The energy-harvesting cognitive radio (CR) network is proposed to improve the spectrum efficiency and energy efficiency. We focus on the optimization of sensing time and power allocation to maximize the throughput of the energy-harvesting CR network subject to the energy causality constraint and collision constraint. Based on the classification of operating regions, the optimization problem is divided into two sub-problems. Then, the efficient iterative Algorithm 1 and Algorithm 2 are proposed to solve sub-problem (A) and sub-problem (B), respectively. Numerical results show that a significant improvement in the throughput is achieved via joint optimization of sensing time and power allocation.

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Cited By

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  • (2022)Performance Optimization in Energy Harvesting Cognitive Radio Networks a Shift Towards Metaheuristics2022 6th Asian Conference on Artificial Intelligence Technology (ACAIT)10.1109/ACAIT56212.2022.10137997(1-7)Online publication date: 9-Dec-2022
  • (2019)Hardware Mechanism for Energy Saving in WiFi Access PointsSensors10.3390/s1921474519:21(4745)Online publication date: 1-Nov-2019
  • (2018)Throughput optimization using simultaneous sensing and transmission in energy harvesting cognitive radio networksInternational Journal of Communication Systems10.1002/dac.385032:3Online publication date: 26-Nov-2018

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      cover image ACM Transactions on Embedded Computing Systems
      ACM Transactions on Embedded Computing Systems  Volume 17, Issue 1
      Special Issue on Autonomous Battery-Free Sensing and Communication, Special Issue on ESWEEK 2016 and Regular Papers
      January 2018
      630 pages
      ISSN:1539-9087
      EISSN:1558-3465
      DOI:10.1145/3136518
      Issue’s Table of Contents
      Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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      Publication History

      Published: 20 September 2017
      Accepted: 01 March 2017
      Revised: 01 January 2017
      Received: 01 May 2016
      Published in TECS Volume 17, Issue 1

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      Author Tags

      1. Cognitive radio networks
      2. energy-harvesting
      3. power allocation
      4. sensing time
      5. spectrum efficiency
      6. throughput

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      • (2022)Performance Optimization in Energy Harvesting Cognitive Radio Networks a Shift Towards Metaheuristics2022 6th Asian Conference on Artificial Intelligence Technology (ACAIT)10.1109/ACAIT56212.2022.10137997(1-7)Online publication date: 9-Dec-2022
      • (2019)Hardware Mechanism for Energy Saving in WiFi Access PointsSensors10.3390/s1921474519:21(4745)Online publication date: 1-Nov-2019
      • (2018)Throughput optimization using simultaneous sensing and transmission in energy harvesting cognitive radio networksInternational Journal of Communication Systems10.1002/dac.385032:3Online publication date: 26-Nov-2018

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