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Mathematical Analysis and Performance Evaluation of the Cell-Free mMIMO Networks Based on Cognitive IRSs

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Abstract

The deployment of cooperative communication inside a cell-Free mMIMO system can improve both the spectral efficiency SE performance as well as the energy efficiency EE performance. This increase is due to the increase in the signal to interference plus noise ratio SINR. In fact, the SINR can be greatly improved when the cognitive radio theory is applied due to its capability of interference mitigation. In this manuscript, the cognitive intelligent reflecting surfaces IRSs are distributed inside a cell-Free mMIMO system in order to improve the SE as well as the EE performance. Moreover, the cognitive radio can raise each user SINR. In this manuscript, the authors try to carry out the suitable mathematical model for the fore-mentioned system. Moreover, the system will be simulated. Subsequently, the simulation results will be explained. It is obvious that the implantation of cognitive IRSs inside, cell-Free mMIMO systems can greatly increase the system performance.

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Data Availability

The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

Great thanks to the 6th of October Technological University “Giza / Egypt” and Misr International Technological University (MITU) “Cairo / Egypt” for the great support in completing this work.

Funding

This work is supported by the 6th of October Technological University, Egypt.

Author information

Authors and Affiliations

  1. 6th of October Technological University, Giza, Egypt

    Mohamed Shalaby

  2. Misr International Technological University (MITU), Technological Faculty, Cairo, Egypt

    Mina Wagih Lamie

  3. Faculty of Electronic Engineering, Menoufia University, Menouf, Egypt

    Mona Shokair

  4. Faculty of Electrical Engineering, 6th of October University, Giza, Egypt

    Mona Shokair

Authors
  1. Mohamed Shalaby
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  2. Mina Wagih Lamie
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  3. Mona Shokair
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Contributions

Mohamed Shalaby was responsible for preparing the idea of the manuscript; Carrying out the mathematical analysis; Writing the main manuscript text; Preparing all tables.

Mina Wagih Lamie was responsible for sharing in the idea of the manuscript; Preparing the simulation code; Preparing the simulation results; Writing the main manuscript text; Preparing all tables.

Mona Shokair was responsible for Reviewing the manuscript.

Corresponding author

Correspondence to Mohamed Shalaby.

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Shalaby, M., Lamie, M.W. & Shokair, M. Mathematical Analysis and Performance Evaluation of the Cell-Free mMIMO Networks Based on Cognitive IRSs. Wireless Pers Commun 135, 1315–1328 (2024). https://doi.org/10.1007/s11277-024-10994-8

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