or customer services and for information about how to apply for permission to reuse the copyright material in this book please see our website at www.wiley.com. The right of the author to be identified as the author of this work has been asserted in accordance with the Copyright, Designs and Patents Act 1988. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, except as permitted by the UK Copyright, Designs and Patents Act 1988, without the prior permission of the publisher. Wiley also publishes its books in a variety of electronic formats. Some content that appears in print may not be available in electronic books. Designations used by companies to distinguish their products are often claimed as trademarks. All brand names and product names used in this book are trade names, service marks, trademarks or registered trademarks of their respective owners. The publisher is not associated with any product or vendor mentioned in this book. This publication is designed to provide accurate and authoritative information in regard to the subject matter covered. It is sold on the understanding that the publisher is not engaged in rendering professional services. If professional advice or other expert assistance is required, the services of a competent professional should be sought. Library of Congress Cataloging-in-Publication Data Asif, Saad Z. Next generation mobile communications ecosystem : technology management for mobile communications / Saad Z. Asif. p. cm. Includes bibliographical references and index. ISBN 978-0-470-74746-9 (cloth) 1. Mobile communication systems. I. Title. TK5103.2.A848 2010 621.3845'6-dc22 2010018740 A catalogue record for this book is available from the British Library. Print ISBN: 9780470747469 ePDF ISBN: 9780470972168 oBook ISBN: 9780470972182 Set in 9/11pt Times by Aptara Inc., New Delhi, India To my lovely daughters Maha and Shiza Contents