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4G Mobile & Wireless Communications Technologies C\ Taylor & Francis ~ Taylor&FrancisGroup http:/ /taylo ra ndfra n ci s.com 4G Mobile & Wireless Communications Technologies Sofoklis Kyriazakos Aalborg University Ioannis Soldatos Athens Information Technology George Karetsos Technology Research Center of Thessaly Routledge Taylor & Francis Group LONDON AND NEW YORK Published 2008 by River Publishers River Publishers Alsbjergvej 10, 9260 Gistrup, Denmark www.riverpublishers.com Distributed exclusively by Routledge 4 Park Square, Milton Park, Abingdon, Oxon OX14 4RN 605 Third Avenue, New York, NY 10017, USA 4G Mobile & Wireless Communications Technologies / by Sofoklis Kyriazakos, Ioannis Soldatos, George Karetsos. © 2008 River Publishers. All rights reserved. No part of this publication may be reproduced, stored in a retrieval systems, or transmitted in any form or by any means, mechanical, photocopying, recording or otherwise, without prior written permission of the publishers. Routledge is an imprint of the Taylor & Francis Group, an informa business DOI: 10.1201/9781003336853 ISBN 978-87-92329-02-8 (print) While every effort is made to provide dependable information, the publisher, authors, and editors cannot be held responsible for any errors or omissions. To our lovely wives, that took over our wedding preparations while we were busy with this book! C\ Taylor & Francis ~ Taylor&FrancisGroup http:/ /taylo ra ndfra n ci s.com Preface Mobile and wireless communications are moving towards a new era that will be characterized by the seamless collaboration of heterogeneous systems, the need for high speed communications while on the move and for advanced services with quality guarantees. Recent market research studies show that most of the traffic in the future wireless networks will be produced by mobile multimedia services which are expected to proliferate by the year 2010. On the other hand mobile and wireless communications technology is becoming more and more important in developing countries where people demand fast deployment and low cost for broadband wireless internet services. The objective of this volume is to gather research and development on topics shaping the fourth generation (4G) in mobile and wireless communications and reveal the key trends and enabling technologies for 4G. We envisage 4G wireless communication systems as IP based solution providing integrated services (voice, data, multimedia) regardless of time and end-users’ location. 4G technologies will manifest the benefits of the wireless and wired technologies convergence, through enabling a wide range of innovative (both indoor and outdoor) applications. 4G applications will feature premium quality, high security and an affordable cost. The vision, though fantastic, is associated with a host of technical and technological challenges. A great deal of the later are discussed in the articles of this volume, which aims at providing insights on the research issues and solutions that are directly associated with leading edge 4G technologies and services. Taking into account recent developments in the world of wireless communications we have given emphasis to cover all these technologies and aspects that are considered as cornerstones for achieving the goals set for 4G and that will further boost research and development of next-generation mobile communications. C\ Taylor & Francis ~ Taylor&FrancisGroup http:/ /taylo ra ndfra n ci s.com About the Editors Dr.-Ing. Sofoklis Kyriazakos was born in 1975 in Athens. He graduated Athens College 1993 and studied Electrical Engineering and Telecommunications in RWTH Aachen, Germany. Then he moved to the National Technical University of Athens, where he obtained his Ph.D. in Telecommunications in 2003. He also received an MBA degree in Techno-economic systems from the same university. He has more than 60 publications in international conferences, journals, books and standardiza- tion bodies. He has been invited as reviewer, chairman, member of the committee, panelist and speaker in many conferences and he has served as TPC chair in 2 International conferences. Currently he holds the academic position of Assistant Professor in the University of Aalborg. Sofoklis has managed, both as technical manager and coordinator, a large number of multi-million Telecom and IT projects in NTUA. During the last seven years he also worked as external consultant in the area of Telecommunications. In 2006 he founded Converge S. A., an ICT company that is member of the PRC Group, that he is now the Managing Director. Prof. John Soldatos PhD (born in Athens. Greece in 1973) obtained his , Bachelor/MSc degree in 1996 and his Phd in 2000, both from the ECE Depart- ment of the National Technical University of Athens (NTUA). Dr. Soldatos has had an active role (wp-leader, technical manager, project manager) in more than 20 European Commission co-funded research projects. He has also considerable experience (senior developer, IT systems architect, team leader, technical project manager) in several enterprise projects, where he worked for many leading Greek enterprises. Furthermore, he has been involved in several large scale industry projects as a principal IT consultant. As a result of his research activities he has co-authored more than 110 papers published in international journals and conference proceed- ings, while he has co-edited two books and two journal special issues. His cur- rent research interests are in Pervasive, Grid and Autonomic Computing, as well as Broadband Networking. Dr. Soldatos has attracted (as principal investigator) multi-million euro research grants in all these areas. He also serves as a reviewer in major journals, as an evaluator for EU projects/proposals and business plans, while he has also served as organizing chair, tutorial chair, and TPC member in numerous conferences. Recently, he served as TPC co-chair of the IEEE PIMRC07 conference. Dr. Soldatos is with Athens Information Technology ( AIT) since March 2003, where he is currently an Associate Professor. Prof. George T. Karetsos was born in Karditsa, Greece in 1968. He received his diploma in electrical and computer engineering in 1992 and his Ph.D. in