Abstract
In this work, we present a comparative study on the performance of Fourier-based OFDM (FFT-OFDM) and wavelet-based OFDM (DWT-OFDM) under compressive sensing (CS). Transmission over FFT-OFDM and DWT-OFDM, which has been made under different baseband modulation schemes such as Binary Phase Shift Keying (BPSK), Quadrature Phase Shift Key (QPSK), Quadrature amplitude modulation (16QAM) and (64QAM) has been considered. From numerical simulation results, it is observed that the Wavelet-based OFDM system outperforms Fourier based OFDM when the Quadrature Amplitude Modulation is 16QAM and 64QAM within the signal to noise ratios range 30 to 40 dB. Although CS is more efficient in compression than classical compression techniques, it introduces more errors over OFDM transmission. Future directions of this work are also suggested.
RAS ID
39730
Document Type
Conference Proceeding
Date of Publication
2021
Volume
1804
Issue
1
Funding Information
Ministry of Higher Education, Iraq
School
School of Engineering
Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 License.
Publisher
IOP
Comments
Al-Shably, Z. H., & Hussain, Z. M. (2021). Performance of FFT-OFDM versus DWT-OFDM under compressive sensing. In Journal of Physics: Conference Series (article 012087). IOP Science. https://doi.org/10.1088/1742-6596/1804/1/012087