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Summary
In this paper we present a comparative study of two adaptive algorithms applied to the impulse response estimation of the newly proposed space-time geometrical-based hyperbolic distributed scatterers (GBHDS) channel model. The two adaptive algorithms which form the basis of this study are the decision-directed recursive least square (RLS) and the decision-directed least mean square (LMS) algorithms. In this estimation task, the performance of the decision-directed RLS algorithm is found to be better than that of the decision-directed LMS algorithm.
Additional information
Notes on contributors
Seedahmed S. Mahmoud
Seedahmed S. Mahmoud received the B.Sc. (first class honours) in electronic engineering from University of Gezira, Sudan in1996 and his M. Sc. in electronic systems engineering from University Putra Malaysia, UPM in1998. He was a former teaching assistant at Gezira University, Sudan, as well as a research assistant at UPM where he taught some courses for the undergraduate level. He is currently doing his Ph.D at the School of Electrical and Computer Engineering, RMIT University, Australia under the International Postgraduate Research Scholarship (IPRS) for outstanding overseas students. He wrote over 10 technical papers. His research interests are mobile communications, applied signal processing, and telemedicine. Mr. Mahmoud is a student member of IEEE communication society and a secretary of IEEE RMIT student chapter.
Zahir M. Hussain
Zahir M. Hussain took the first rank in Iraq in the General Baccalaureate Examinations 1979 with an average of 99%. He received the B. Sc. and M. Sc. degrees in electrical engineering from the University of Baghdad, Iraq, in 1983 and 1998, respectively, and the PhD degree in electrical engineering from Queensland University of Technology (QUT), Brisbane, Australia in 2002. From 1989-1998 he was lecturer of electrical engineering at the University of Baghdad, Iraq, and lecturer of mathematics at the University of Kufa, Iraq. He worked in several projects including the EEG biomedical project at QUT (1999-2001), where he contributed to solving the problem of instantaneous frequency estimation of multicomponent signals. In July 2001 he joined the School of Electrical and Computer Engineering, RMIT University, Melbourne, Australia as a research fellow in a 3G commercial project, then Lecturer of Signal Processing and the academic leader of another 3G communications project in November 2001. In March 2002 he was promoted to Senior Lecturer. He is currently the principal supervisor of seven PhD students. Dr. Hussain is the author/co-author for over thirty technical papers and one book chapter on various fields. His current research interests are signal processing, communications, and mathematics. Dr. Hussain is a member of Engineers Australia, IEE and IEEE. He is a reviewer for the IEEE and Elsevier Journals on signal processing.
Peter O’Shea
Peter O’Shea received the B.E, Dip.Ed. and PhD in 1978, 1983 and 1991 respectively from the University of Queensland. He worked as an engineer at the Overseas Telecommunications Commission for 3 years, at the University of Queensland’s Department of Electrical Engineering for 4 years, at Queensland University of Technology’s School of Electrical and Electronic Systems Engineering for 3 years, and at the School of Electrical and Computer Systems Engineering at RMIT, for 7 years. While at RMIT he received awards in Student Centred Teaching from the Faculty of Engineering and the University President. He has recently re-joined the staff of the School of Electrical and Electronic Systems Engineering at Queensland University of Technology. His interests are in signal processing for communications and power systems, reconfigurable computing, and the use of multi-media in engineering education.