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Fair power allocation in cooperative cognitive systems under NOMA transmission for future IoT networks

Research output: Contribution to Journal/MagazineJournal articlepeer-review

  • Zain Ali
  • Wali Ullah Khan
  • Guftaar Ahmad Sardar Sidhu
  • Nimmi K
  • Xingwang Li
  • Kyung Sup Kwak
  • Muhammad Bilal
<mark>Journal publication date</mark>31/01/2022
<mark>Journal</mark>Alexandria Engineering Journal
Issue number1
Number of pages9
Pages (from-to)575-583
Publication StatusPublished
<mark>Original language</mark>English


To support the massive connectivity in Internet of Things (IoT), several promising techniques like cognitive radio (CR) and non-orthogonal multiple access (NOMA) enables the user to share spectrum resources. This work aims to achieve fairness among secondary users (SUs) in IoT cooperative NOMA-based CR transmission. We design a power allocation algorithm, an independent battery constraint at each node is considered, and power gap among transmissions of two NOMA users is applied for successive interference cancellation. The simulation results show that the proposed framework provides excellent performance and for sufficient available transmission power perfect fairness is achieved.