Closed-Form BER Expression for Fourier and Wavelet Transform-Based Pulse-Shaped Data in Downlink NOMA

Sobia Baig; Usman Ali; Hafiz M. Asif; Asim Ali Khan; Shahid Mumtaz

doi:10.1109/LCOMM.2019.2903083

Closed-Form BER Expression for Fourier and Wavelet Transform-Based Pulse-Shaped Data in Downlink NOMA

Sobia Baig^*, Usman Ali, Hafiz M. Asif, Asim Ali Khan, Shahid Mumtaz

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

Abstract

The non-orthogonal multiple access (NOMA) technique is a strong candidate for 5G cellular networks that enable greater multiuser capacity and user fairness through multiplexing in the power domain. The user data are pulse-shaped using the orthogonal frequency-division multiplexing (OFDM) technique based on the fast Fourier transform (FFT) for conventional NOMA. We propose a discrete wavelet transform-based pulse shaping technique for NOMA. We present a closed-form expression of the bit error rate (BER) for FFT-NOMA as well as wavelet-based NOMA (WNOMA) systems. The theoretical and simulation BER results show that WNOMA outperforms FFT-NOMA in additive white Gaussian noise.

Original language	English
Article number	8660440
Pages (from-to)	592-595
Number of pages	4
Journal	IEEE Communications Letters
Volume	23
Issue number	4
DOIs	https://doi.org/10.1109/LCOMM.2019.2903083
Publication status	Published - Apr 2019
Externally published	Yes

Keywords

5G
bit error rate
non-orthogonal multiple access (NOMA)
orthogonal frequency division multiplexing (OFDM)
wavelet transform

ASJC Scopus subject areas

Modelling and Simulation
Computer Science Applications
Electrical and Electronic Engineering

Access to Document

10.1109/LCOMM.2019.2903083

Cite this

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abstract = "The non-orthogonal multiple access (NOMA) technique is a strong candidate for 5G cellular networks that enable greater multiuser capacity and user fairness through multiplexing in the power domain. The user data are pulse-shaped using the orthogonal frequency-division multiplexing (OFDM) technique based on the fast Fourier transform (FFT) for conventional NOMA. We propose a discrete wavelet transform-based pulse shaping technique for NOMA. We present a closed-form expression of the bit error rate (BER) for FFT-NOMA as well as wavelet-based NOMA (WNOMA) systems. The theoretical and simulation BER results show that WNOMA outperforms FFT-NOMA in additive white Gaussian noise.",

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AU - Khan, Asim Ali

AU - Mumtaz, Shahid

PY - 2019/4

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Closed-Form BER Expression for Fourier and Wavelet Transform-Based Pulse-Shaped Data in Downlink NOMA

Abstract

Keywords

ASJC Scopus subject areas

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