Performance comparison of wavelet based and conventional OFDM systems in multipath Rayleigh fading channels

V Kumbasar, O Kucur - Digital Signal Processing, 2012 - Elsevier
In this work, the performance of wavelet based OFDM (WOFDM) is studied and compared to
that of conventional OFDM over multipath Rayleigh fading channels with exponential power …

Performance comparison of wavelet packet transform (WPT) and FFT-OFDM system based on QAM modulation parameters in fading channels

HJ Taha, MFM Salleh - WSEAS transactions on communications, 2010 - dl.acm.org
Orthogonal Frequency Division Multiplexing (OFDM) has been widely adopted in many
applications due to its good spectral performance and low sensitivity to impulse noise and …

Performance comparison of DWT based mimo OFDM and FFT based MIMO OFDM

A Bouhlel, A Sakly, N Mansouri - Procedia Computer Science, 2015 - Elsevier
Abstract Multiple Input Multiple Output (MIMO) and Orthogonal Frequency Division
Multiplexing (OFDM) are two combined technologies to provide the spectral efficiency and …

[PDF][PDF] Performance analysis of different Wavelet families over fading environments for mobile WiMax system

H Kaur, M Kumar, AK Sharma… - International Journal of …, 2015 - researchgate.net
Abstract Orthogonal Frequency Division Multiplexing (OFDM) has made tremendous
improvement possible in wireless technology. Wavelet analysis is used as an alternative to …

On the performance of DWT and WPT modulation for multicarrier systems

OO Anoh, NT Ali, R Abd-Alhameed… - 2012 IEEE 17th …, 2012 - ieeexplore.ieee.org
The discrete wavelet transform, DWT, is being considered for multicarrier modulation, and
intensive investigations are underway on how this scheme can best be deployed. The …

FPGA implementation of UWB-IR impulse generator and its corresponding decoder based on discrete wavelet packet

CH Kizil, C Diou, M Rabiai, C Tanougast - AEU-International Journal of …, 2020 - Elsevier
In this paper, we propose an IR-UWB pulse generator and its corresponding decoder using
respectively inverse discrete wavelet packet transform (IDWPT) and the discrete wavelet …

Bandwidth research based on OFDM-IM system

S Xu - 2022 IEEE International Conference on Advances in …, 2022 - ieeexplore.ieee.org
Modern communication systems often use the technique of orthogonal frequency-division
multiplexing (OFDM) to convey large amounts of data over a wide bandwidth. This effectively …

Performance comparison of Single Carrier Modulation with frequency domain equalization an OFDM for wireless communications

U Khan, S Baig, MJ Mughal - 2009 International Conference on …, 2009 - ieeexplore.ieee.org
Orthogonal Frequency Division Multiplexing (OFDM) has the inherent problem of high peak
to average power ratio (PAPR). Moreover, it suffers from high sensitivity to frequency offsets …

Performance analysis of WPM‐based transmission with equalization‐aware bit loading

S Buddhacharya, P Saengudomlert - ETRI Journal, 2019 - Wiley Online Library
Wavelet packet modulation (WPM) is a multicarrier modulation (MCM) technique that has
emerged as a potential alternative to the widely used orthogonal frequency‐division …

A novel concatenated LWT and WHT based UFMC waveform design for the next generation wireless communication systems

EN Ayvaz, M Maraş, M Gömeç… - IEEJ Transactions on …, 2021 - Wiley Online Library
A novel concatenated Lifting Wavelet Transform (LWT) and Walsh Hadamard Transform
(WHT) with Universal Filtered Multi Carrier (UFMC) waveform is suggested as an alternative …