 model, 672 673-4, 676, 681-83, 703-4 Wired broadband access, concepts, 1-4, 131, 134 definition, 664-5 Wireless broadband access, concepts, 1-4 performance evaluations, 657-64, 664-7, 673-4, 676, Wireless channels, characteristics, 338-42 681-83, 701-2 Wireless LAN, 15 VPNs, 35-7 Wireless local area networks, 2 VRBs, 454-5, 482-3 Wireless MAN, 15 Wireless PAN, 15 WAN definition, 2 World Radio Conference (WRC), 625 Water-filling solutions, 553-6 WCDMA, 354-5, 479 X-MAC, 166-7 Wi-Fi, 2, 14, 23, 33, 35-7 see also IEEE 802.11 Zadoff-Chu sequences, 459, 464-7, 476-9, 541-42, 612-13, WiMAX, introduction, 2, 13-14, 19-25, 61, 63, 97-8, 213-15, 290-1, 356-8, 420-1 Zero-forcing precoding, 567-9, 596 WiMAX Forum ZF receiver design, 560-4, 567-9 see also IEEE 802.16m Zone switching mode, 206-9 T. Muth Modeling Telecom Networks and Systems Architecture Springer-Verlag Berlin Heidelberg GmbH Thomas Muth Modeling Telecom Networks and Systems Architecture Conceptual Tools and Formal Methods With 358 Figures Springer Dr. Thomas Muth Frimans vägen 13 S-141 60 Huddinge Sweden e-mail: thomas.muth@telia.com ISBN 978-3-642-63184-9 Library of Congress Cataloging-in-Publication-Data Muth, Thomas A. Modeling telecom networks and systems architecture conceptual tools and formal methods / T. Muth. p. cm. Includes bibliographical references and index. ISBN 978-3-642-63184-9 ISBN 978-3-642-56845-9 (eBook) DOI 10.1007/978-3-642-56845-9 1. Telecommunication ystems-Mathematical models. 2. Computer networks- Mathematical models. I. Title. TK 5102.5 .M86 2001 621.382'1-dc21 - This work is subject to copyright. All rights are reserved, whether the whole or part of the material is con- cerned, specifically the rights of translation, reprinting, reuse of illustrations, recitations, broadcasting, re- production on microfilm or in any other way, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German copyright Law of September 9, 1965, in its current version, and permission for