Plenary Lecture

Theoretical Development, Simulation and Design of Physical Layer for Applications in Wireless Systems and Networks

Professor Stevan Berber
Department of Electrical and Computer Engineering
Faculty of Engineering
The University of Auckland
New Zealand
E-mail: s.berber@auckland.ac.nz

Abstract: The development of direct sequence spread spectrum systems allowed various applications including design and development of wireless systems and networks. This lecture will cover research results related to the physical layer design for wireless networks applications, in particular for wireless sensor network designs. One part of the lecture will address the development and design of multi-user systems, primarily the systems based on code division multiple access systems (CDMA). It will be assumed that the presented spread spectrum systems are based on the application of non-binary orthogonal sequences to transmit the users’ information. In recent years, the non-binary sequences, primarily chaotic and random sequences, have been extensively investigated and applied in spread-spectrum systems. The chaotic sequences are generated by chaotic maps and random sequences are produced by the random number generators. In particular, the lecture will present results related to the physical layer design for wireless sensor networks, which will include theoretical modelling, simulation and practical design of the layer that is based on the application of binary and non-binary spreading sequences.Due to the semi-random or random nature of non-binarysequences,a particular problem in these systemsis how to achieve sequence synchronization. For that reason, the lecture will also present the latest findings related to the mathematical modelling, simulation and design in digital technology of efficient synchronisation techniques in these systems.

Brief Biography of the Speaker: Dr Stevan M. Berber was born in Stanisic, Serbia, former Yugoslavia. He completed his undergraduate studies in electrical engineering in Zagreb, master studies in Belgrade, and PhD studies in Auckland, New Zealand. Currently Stevan is with the Department of Electrical and Computer Engineering at Auckland University, New Zealand. He was appointed Visiting Professor at the University of Novi Sad in 2004, Visiting Scholar at the University of Sydney in 2008, visiting professor at the University of Science and Technology in Nanjing, China.His teaching interests are in communication systems, information and coding theory, discrete stochastic signal processing and wireless sensor and computer networks.His research interests are in the fields of digital communication systems and signal processing with the emphasis on applications in CDMA systems and wireless computer, communication and sensor networks. He is the author of more than 120 refereed journal and conference papers, 8 books and 3 book chapters. Hi filed three patent applications. Dr Berber is a referee for papers in leading journals and conferences in his research area. He has been leading or working on a large number of research and industry projects. Dr Berber is a senior member of IEEE, a member of New Zealand Scientists, and an accredited NAATI translator for English language.

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