Radiolocation in Ubiquitous Wireless Communication
Radiolocation in Ubiquitous Wireless Communication discusses the application of multi-antenna radiolocation to the environment of fast, widespread wireless communication among portable devices. The book features distinctive information such as a descripti
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Danko Antolovic
Radiolocation in Ubiquitous Wireless Communication
ABC
Danko Antolovic Indiana University University Information Technology Services 2711 East 10th Street Bloomington, IN 47408 USA [email protected]
ISBN 978-1-4419-1631-0 e-ISBN 978-1-4419-1632-7 DOI 10.1007/978-1-4419-1632-7 Springer New York Dordrecht Heidelberg London Library of Congress Control Number: 2009941543 c Springer Science+Business Media, LLC 2010 ° 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)
In memory of Zorka Rojc (1900–1985) An early teacher, and a lifelong influence
Preface
This volume has its beginnings in a laboratory project, development of a radiolocator for the Wi-Fi network that was growing by leaps and bounds on the campus of Indiana University at that time. What started as a very focused and practical attempt to improve network management, touched in its lifetime upon broader issues of the use of radio spectrum, design of system architectures for the wireless medium, and image formation outside the limits of geometrical optics. I have intended this book mostly for the audience of engineers and system designers, in the growing field of radio communication among small, portable, ubiquitous devices that have become hybrid platforms for personal communication and personal computing. It is also a book addressed to network professionals, people to whom radio is largely a black box, a medium that they usually rely upon, but seldom fully understand. In fact, in the course of my work in the field, I have witnessed, to my dismay, a wide disconnect between the networking world and the radio technology that networking has come to depend upon so heavily. Perhaps, because digital wireless communication is seen as digital first and wireless second, there is often a misplaced emphasis on its information-processing side, with the methodology centered around the discrete symbol, and with little intuition of the underlying physics. I had it once suggested to me, in apparent seriousness, to use radio cards for intra-system communication within a radiolocator! Wireless communication is radio, plain and simple. Radio is what makes it both powerful and frustrating, and radio, an old technology after all, is the key to understanding its idiosyncrasies. In the broades
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