The performance of multiwavelets based OFDM system under different channel conditions
Section snippets
Abbas Hasan Kattoush received his M.S. and Ph.D. degrees in Communication Eng. from USSR in 1979 and 1984, respectively. For 10 years Dr. Kattoush was a technical manager of a leading SAKHER computers company. He was a pioneer in computer networking and software engineering in Jordan. From 1993 to 2000 he worked at Applied Science University Amman, Jordan, where he was a founding member of the Department of Electrical and Computer Engineering. From 2000 to 2008 Dr. Kattoush was an associate
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A highly sustainable multi-band orthogonal wavelet code division multiplexing UWB communication system for underground mine channel
2018, Digital Communications and NetworksCitation Excerpt :Furthermore, the performance of Least-Squares (LS) and Linear Minimum Mean Square Error (LMMSE) channel estimation techniques for both systems is compared. In Ref. [21], the Discrete Fourier Transform (DFT) in DFT-OFDM was replaced by multiwavelets in Discrete Multi-Wavelet Transform (DMWT) OFDM (DMWT-OFDM). R. Dilmaghani et al. [22] analyzed the concept of wavelet transform as an alternative to the conventional Fourier-transform-based multicarrier UWB system.
Performance evaluation of FFT-WiMAX against WHT-WiMAX over Rayleigh fading channel
2016, OptikCitation Excerpt :Diverse wavelets are also being considered as an alternative to Fourier transform along with the other transforms such as DCT/DST. It has been observed that DWT/DCT/DST based OFDM is better in terms of BER performance in comparison to Fourier based OFDM [11–13]. The BER performance of wavelet based OFDM is also analyzed over flat as well as frequency selective fading channels and it has been observed that the use of wavelets influence the BER performance significantly due to their time-frequency localization property [14,15].
Synchronization approach for dynamic hexagonal time-frequency lattice MCM system
2014, Digital Signal Processing: A Review JournalCitation Excerpt :Therefore, the time variations of the DD channel during one OFDM symbol period destroy the orthogonality of subcarriers, and result in power leakage among subcarriers, known as inter-carrier interference (ICI). In order to overcome the above drawbacks of OFDM system, several pulse-shaping multi-carrier modulation (MCM) systems were proposed [1–8]. The pulses in these systems have faster spectral decay and lower sidelobes.
Application of New Companding Techniques on the DWT-Based SC-FDMA System
2022, Annals of Data ScienceField programmable gate array implementation of multiwavelet transform based orthogonal frequency division multiplexing system
2022, International Journal of Electrical and Computer EngineeringResearch on LDPC in an OFDM system
2021, Journal of Physics: Conference Series
Abbas Hasan Kattoush received his M.S. and Ph.D. degrees in Communication Eng. from USSR in 1979 and 1984, respectively. For 10 years Dr. Kattoush was a technical manager of a leading SAKHER computers company. He was a pioneer in computer networking and software engineering in Jordan. From 1993 to 2000 he worked at Applied Science University Amman, Jordan, where he was a founding member of the Department of Electrical and Computer Engineering. From 2000 to 2008 Dr. Kattoush was an associate professor at Electrical and Computer Engineering Department at Al-Isra University, Amman, Jordan. Currently he is an associate professor and a head of Department of Electrical, Communications, and Computer Engineering at Tafila Technical University, Tafila, Jordan. His areas of research interest include DSP, digital communication systems, phase unwrapping, interferometric SAR image analysis, filtering, and interpretation. He has authored several tenths of research articles, textbooks, and computer software systems.
Waleed Ameen Al-Jawher: Dean of Engineering College, University of Isra, Jordan. He received a School of Research in Digital Signal Processing (2005). He received his Ph.D. in Digital Signal Processing from the University of Wales, University College of Swansea, United Kingdom (1986). He has a teaching experience in engineering for 32 years. A total of 15 national awards. He published over 224 papers, supervised 202 M.Sc. and Ph.D. students. He received the First professor Award of University of Baghdad, the First professor Award of the Ministry of Higher Education & Scientific Research of Iraq (National first Professor Award). His present areas of research interest are the field of DSP and communication.
Saad T. Nihad was born in Baghdad in 1976. He received his B.Sc. in Electrical Engineering from University of Baghdad in 1997, his M.Sc. and Ph.D. in Electronic and Communication from University of Baghdad in 2002 and 2006, respectively. He is working as a lecturer in the Electrical Engineering Department in the University of Baghdad. His areas of research interest are the field of DSP and communication.