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Volume 11
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10.3390/app11167605
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Article

Analytical Framework of CP-Free Multiuser OFDM System for Coordinated Multi-Point at mmWave

by
Joarder Jafor Sadique
1,*,
Saifur Rahman Sabuj
2,
Shaikh Enayet Ullah
3,
Md. Akbar Hossain
4,
Raad Raad
5,
Md. Rabiul Islam
5,
Abbas Z. Kouzani
6 and
M. A. Parvez Mahmud
6
1
Department of Electrical and Electronic Engineering, Begum Rokeya University, Rangpur 5404, Bangladesh
2
Department of Electronic Engineering, Hanbat National University, Daejeon 300-010, Korea
3
Department of Electrical and Electronic Engineering, University of Rajshahi, Rajshahi 6000, Bangladesh
4
School of Digital Technologies, Manukau Institute of Technology, Auckland 0600, New Zealand
5
Faculty of Engineering and Information Sciences, University of Wollongong, Wollongong, NSW 2522, Australia
6
School of Engineering, Deakin University, Geelong, VIC 3216, Australia
*
Author to whom correspondence should be addressed.
Appl. Sci. 2021, 11(16), 7605; https://doi.org/10.3390/app11167605
Submission received: 2 July 2021 / Revised: 2 August 2021 / Accepted: 6 August 2021 / Published: 19 August 2021
(This article belongs to the Section Electrical, Electronics and Communications Engineering)
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Abstract

In this paper, a coordinated multipoint joint transmission (CoMP-JT) framework at mmWave for a cyclic prefix (CP)-free multiuser OFDM wireless communication system is developed and analyzed. The aim is to provide high-quality service to cell-edge users; otherwise, the cell-users would suffer from significant signal degradation due to undesired interference. The impact of complex Hadamard transform with block diagonalization channel precoding for multiuser interference reduction and designed subcarrier mapping for out-of-band (OOB) reduction are investigated. In addition, the paper studied the input back-off-aided high-power amplifier for peak-to-average power ratio (PAPR) reduction and forward error correction channel coding for improved bit error rate (BER) for cell-edge users at mmWave frequencies. Moreover, signal-to-interference-noise ratio and ergodic achievable rate are estimated both in the presence and absence of CoMP-JT-based transmission technique to verify their significance in terms of transmitted power. Numerical investigations showed an OOB reduction of 312 dB, PAPR reduction from 17.50 dB to 7.66 dB, and improved BER of 1×10−3 in 16-QAM for a signal-to-noise ratio of −6 dB. Hence, the simulation results demonstrated the effectiveness of the developed system.
Keywords: cyclic-prefix-free; orthogonal frequency division multiplexing; input back-off; out-of-band; zero-forcing; millimeter wave cyclic-prefix-free; orthogonal frequency division multiplexing; input back-off; out-of-band; zero-forcing; millimeter wave

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MDPI and ACS Style

Sadique, J.J.; Sabuj, S.R.; Ullah, S.E.; Hossain, M.A.; Raad, R.; Islam, M.R.; Kouzani, A.Z.; Mahmud, M.A.P. Analytical Framework of CP-Free Multiuser OFDM System for Coordinated Multi-Point at mmWave. Appl. Sci. 2021, 11, 7605. https://doi.org/10.3390/app11167605

AMA Style

Sadique JJ, Sabuj SR, Ullah SE, Hossain MA, Raad R, Islam MR, Kouzani AZ, Mahmud MAP. Analytical Framework of CP-Free Multiuser OFDM System for Coordinated Multi-Point at mmWave. Applied Sciences. 2021; 11(16):7605. https://doi.org/10.3390/app11167605

Chicago/Turabian Style

Sadique, Joarder Jafor, Saifur Rahman Sabuj, Shaikh Enayet Ullah, Md. Akbar Hossain, Raad Raad, Md. Rabiul Islam, Abbas Z. Kouzani, and M. A. Parvez Mahmud. 2021. "Analytical Framework of CP-Free Multiuser OFDM System for Coordinated Multi-Point at mmWave" Applied Sciences 11, no. 16: 7605. https://doi.org/10.3390/app11167605

APA Style

Sadique, J. J., Sabuj, S. R., Ullah, S. E., Hossain, M. A., Raad, R., Islam, M. R., Kouzani, A. Z., & Mahmud, M. A. P. (2021). Analytical Framework of CP-Free Multiuser OFDM System for Coordinated Multi-Point at mmWave. Applied Sciences, 11(16), 7605. https://doi.org/10.3390/app11167605

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