New Directions in Wireless Communications Research
New Directions in Wireless Communications Research addresses critical issues in the design and performance analysis of current and future wireless system design. Intended for use by system designers and academic researchers, the contributions are by ackno
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New Directions in Wireless Communications Research
New Directions in Wireless Communications Research
Vahid Tarokh Editor
New Directions in Wireless Communications Research
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Editor Vahid Tarokh Harvard University School of Engineering & Applied Sciences 33 Oxford St. Cambridge MA 02138 USA [email protected]
ISBN 978-1-4419-0672-4 e-ISBN 978-1-4419-0673-1 DOI 10.1007/978-1-4419-0673-1 Springer Dordrecht Heidelberg London New York Library of Congress Control Number: 2009928505 c Springer Science+Business Media, LLC 2009 All rights reserved. This work may not be translated or copied in whole or in part without the written permission of the publisher (Springer Science+Business Media, LLC, 233 Spring Street, New York, NY 10013, USA), except for brief excerpts in connection with reviews or scholarly analysis. Use in connection with any form of information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed is forbidden. The use in this publication of trade names, trademarks, service marks, and similar terms, even if they are not identified as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights. Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)
This book is dedicated to Dr. Vijay K. Bhargava of the University of British Columbia by his friends, colleagues, collaborators and former students, in deep respect and admiration for his over 30 years of extraordinary leadership and innovation in the field of communications research.
Preface
In recent years, there has been significant progress in the area of wireless system design. Wireless local area networks have had enormous success and this is expected to continue on into the foreseen future. Third-generation cellular systems have been successfully deployed and are witnessing growing consumer demand. Fourth-generation systems are being deployed in the near future. Other emerging systems include sensor networks, body area networks, wireless personal area networks and positioning systems. The above commercial success has ignited enormous advances in research in wireless system design in the last two decades. As a result, new concepts have been invented with amazing speed. This makes it important to have books available that are close to ongoing research. This issue was first pointed out by a number of colleagues who encouraged me to edit this work based on contributions from some of the foremost researchers in the area of wireless communications. The book addresses a selected number of important emerging topics in wireless system design. The authors were chosen from among leading international researchers in their area. No system design is possible without understanding the underlying channels, thus Chapter 1 focuses on this topic. Much of modern systems use orthogonal division frequency multiplexing (OFDM) as the underlying air interface. This is an old technolog
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