International Journal of Innovative Engineering, Technology & Science

Parametric Evaluation of Waveforms for 5G Networks
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Parametric Evaluation of Waveforms for 5G Networks

Publication Date : 30/06/2022


Author(s) :

Nwabueze, C. A. .


Volume/Issue :
Volume 5
,
Issue 1
(06 - 2022)



Abstract :

ABSTRACT Over the years, OFDM (orthogonal frequency division multiplexing) has been the preferred wireless broadband multi-carrier technology. Although it offers efficient power efficiency, good spectral efficiency and provides multipath propagation, it has several limitations when it comes to machine to machine communications needed in 5G applications. These limitations include cyclic prefix (CP), sideband leakage and unacceptable Peak to Average Power Ratio (PAPR). There is need to distinctively consider other multicarrier modulation techniques which include but not limited to FBMC (filter bank multicarrier), UFMC (universal filtered multicarrier) and GFDM (generalized frequency division multiplex (GFDM) for 5G communications. Various unique parameters were evaluated here which include spectral regrowth, the impact of amplification on signals of the various waveforms, the robustness of the systems against carrier frequency offset (CFO) and noise impact for AWGN (Additive White Gaussian Noise) as a result of robustness against noise


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