1 YEAR UPGRADE BUYER PROTECTION PLAN Designing a Wireless Network Understand How Wireless Communication Works • Step-by-Step Instructions for Designing a Wireless Project from Inception to Completion • Everything You Need to Know about Bluetooth, LMDS, 802.11, and Other Popular Standards • Complete Coverage of Fixed Wireless, Mobile Wireless, and Optical Wireless Technology Jeffrey Wheat Randy Hiser Jackie Tucker Alicia Neely Andy McCullough Technical Editor 152_wan_FM 6/22/01 4:18 PM Page i solutions@syngress.com With more than 1,500,000 copies of our MCSE, MCSD, CompTIA, and Cisco study guides in print, we continue to look for ways we can better serve the information needs of our readers One way we that is by listening Readers like yourself have been telling us they want an Internet-based service that would extend and enhance the value of our books Based on reader feedback and our own strategic plan, we have created a Web site that we hope will exceed your expectations Solutions@syngress.com is an interactive treasure trove of useful information focusing on our book topics and related technologies The site offers the following features: ■ One-year warranty against content obsolescence due to vendor product upgrades You can access online updates for any affected chapters ■ “Ask the Author”™ customer query forms that enable you to post questions to our authors and editors ■ Exclusive monthly mailings in which our experts provide answers to reader queries and clear explanations of complex material ■ Regularly updated links to sites specially selected by our editors for readers desiring additional reliable information on key topics Best of all, the book you’re now holding is your key to this amazing site Just go to www.syngress.com/solutions, and keep this book handy when you register to verify your purchase Thank you for giving us the opportunity to serve your needs And be sure to let us know if there’s anything else we can to help you get the maximum value from your investment We’re listening www.syngress.com/solutions 152_wan_FM 6/22/01 4:18 PM Page ii 152_wan_FM 6/22/01 4:18 PM Page iii Designing a Wireless Network Jeffrey Wheat Randy Hiser Jackie Tucker Alicia Neely Andy McCullough Technical Editor 152_wan_FM 6/22/01 4:18 PM Page iv Syngress Publishing, Inc., the author(s), and any person or firm involved in the writing, editing, or production (collectively “Makers”) of this book (“the Work”) not guarantee or warrant the results to be obtained from the Work There is no guarantee of any kind, expressed or implied, regarding the Work or its contents.The Work is sold AS IS and WITHOUT WARRANTY.You may have other legal rights, which vary from state to state In no event will Makers be liable to you for damages, including any loss of profits, lost savings, or other incidental or consequential damages arising out from the Work or its contents Because some states not allow the exclusion or limitation of liability for consequential or incidental damages, the above limitation may not apply to you You should always use reasonable case, including backup and other appropriate precautions, when working with computers, networks, data, and files Syngress Media®, Syngress®, and “Career Advancement Through Skill Enhancement®,”are registered trademarks of Syngress Media, Inc “Ask the Author™,”“Ask the Author UPDATE™,”“Mission Critical™,”“Hack Proofing™”, and “The Only Way to Stop a Hacker is to Think Like One™” are trademarks of Syngress Publishing, Inc Brands and product names mentioned in this book are trademarks or service marks of their respective companies KEY 001 002 003 004 005 006 007 008 009 010 SERIAL NUMBER PL94T945T5 AKLRT4JKN6 VM55R3N54N S6TF4B39UN 8ZSC7U6N7H NFG4BYQ2M4 44DVHT746T N5FL9565MR 83N5MYFW4S GT6YHM7F3C PUBLISHED BY Syngress Publishing, Inc 800 Hingham Street Rockland, MA 02370 Designing a Wireless Network Copyright © 2001 by Syngress Publishing, Inc All rights reserved Printed in the United States of America Except as permitted under the Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher, with the exception that the program listings may be entered, stored, and executed in a computer system, but they may not be reproduced for publication Printed in the United States of America ISBN: 1-928994-45-8 Technical Editor: Andy McCullough Technical Reviewer: Rick Murphy Co-Publisher: Richard Kristof Acquisitions Editor: Catherine B Nolan Developmental Editor: Kate Glennon Freelance Editorial Manager: Maribeth Corona-Evans Cover Designer: Michael Kavish Page Layout and Art by: Shannon Tozier Copy Editor: Adrienne Rebello Indexer: John Hulse Distributed by Publishers Group West in the United States and Jaguar Book Group in Canada 152_wan_FM 6/22/01 4:18 PM Page v Acknowledgments We would like to acknowledge the following people for their kindness and support in making this book possible Richard Kristof and Duncan Anderson of Global Knowledge, for their generous access to the IT industry’s best courses, instructors, and training facilities Ralph Troupe, Rhonda St John, and the team at Callisma for their invaluable insight into the challenges of designing, deploying, and supporting world-class enterprise networks Karen Cross, Lance Tilford, Meaghan Cunningham, Kim Wylie, Harry Kirchner, Kevin Votel, Kent Anderson, and Frida Yara of Publishers Group West for sharing their incredible marketing experience and expertise Mary Ging, Caroline Hird, Simon Beale, Caroline Wheeler,Victoria Fuller, Jonathan Bunkell, and Klaus Beran of Harcourt International for making certain that our vision remains worldwide in scope Anneke Baeten, Annabel Dent, and Laurie Giles of Harcourt Australia for all their help David Buckland,Wendi Wong, Daniel Loh, Marie Chieng, Lucy Chong, Leslie Lim, Audrey Gan, and Joseph Chan of Transquest Publishers for the enthusiasm with which they receive our books Kwon Sung June at Acorn Publishing for his support Ethan Atkin at Cranbury International for his help in expanding the Syngress program Joe Pisco, Helen Moyer, Paul Zanoli, Alan Steele, and the great folks at InterCity Press for all their help Philip Allen at Brewer & Lord LLC for all his work and generosity v 152_wan_FM 6/22/01 4:18 PM Page vi Acknowledgements from the Contributors This book is written for all those who have considered the possibilities of leveraging wireless technologies and have labored to challenge the existing way we interact in our day-to-day activities in order to promote a greater quality of life For we know that there is a balance between what can be accomplished technically and that which should be We would like to thank Syngress Publishing for the opportunity to bring our ideas and visions to print Catherine Nolan and others at Syngress Publishing were key to our success.We would also like to thank our families for putting up with the many long hours and late nights spent writing this book Lastly, we would like to thank Lucent Technologies for putting us in the position to write this book 152_wan_FM 6/22/01 4:18 PM Page vii Contributors Anthony Bruno (CCIE #2738, CCDP, CCNA-WAN, MCSE, NNCSS, CNX-Ethernet) is a Principal Consultant with Lucent Worldwide Services As a consultant, he has worked with many customers in the design, implementation, and optimization of large-scale, multi-protocol networks Anthony has worked on the design of wireless networks,Voice over technologies, and Internet access Formerly, he worked as an Air Force Captain in network operations and management where he implemented wireless LANs on the base network Anthony completed his master’s degree in Electrical Engineering from the University of Missouri-Rolla in 1994 and his B.S in Electrical Engineering from the University of Puerto Rico-Mayaguez in 1990 He is the co-author of CCDA Exam Certification Guide and has performed technical reviews for several Cisco professional books Jeffrey A Wheat (Lucent WaveLAN Wireless Certification, FORE ATM Certification) is a Principal Member of the Consulting Staff at Lucent Worldwide Services He currently provides strategic direction and architectural design to Lucent Service Provider and Large Enterprise customers His specialties include convergence and wireless architectures, and he is an ATM and Testing Methodology Subject Matter Expert within Lucent Jeff ’s background with Lucent includes design engagements with Metricom, Sprint ION, Sprint PCS, Raytheon, and Marathon Oil Prior to Lucent, he spent 11 years working for the U.S Intelligence Agencies as a Network Architect and Systems Engineer Jeff graduated from the University of Kansas in 1986 with a B.S in Computer Science and currently resides in Kansas City with his wife Gabrielle and their two children, Madison and Brandon vii 152_wan_FM 6/22/01 4:18 PM Page viii Dustin Coffel is a Network Systems Consultant with Lucent Technologies Enhanced Services and Sales He provides network consulting and technical support for Lucent products to any Lucent customers in the central region of the United States Dustin holds a bachelor’s degree from Kansas State University in Electrical Engineering with an emphasis in Wireless Communication Systems He resides in the Kansas City area with his family Randy Hiser is a Senior Network Engineer for Sprint’s Research, Architecture & Design Group, with design responsibilities for home distribution and DSL self-installation services for Sprint’s Integrated On Demand Network He is knowledgeable in the areas of multimedia services and emerging technologies, has installed and operated fixed wireless MMDS facilities in the Middle East, and has patented network communication device identification in a communications network for Sprint Randy lives with his wife Deborah and their children, Erin, Ryan, Megan, Jesse, and Emily in Overland Park, KS Christian Barnes (CCNA, CCDA, MCSE, CNA, A+) is a Network Consultant for Lucent Technologies in Overland Park, KS His career in the IT industry began with supporting NT and Netware servers and NT workstations for a large banking company in Western New York It quickly evolved into support of high-level engineers and LAN and WAN administrators as they attempted to troubleshoot and design their networks, and then on to consulting Chris has a wife and four sons Alicia Neely (CCNA, CCDA) is currently a Consultant with Lucent Enhanced Services and Sales Her experience includes optical networking and internetworking Alicia graduated from the University of Kansas with a B.S and is pursuing an MBA Donald Lloyd (CCSA, CCSE, CCNA) is a Distinguished Member of Lucent Worldwide Services’ Consulting Staff His specialties include Juniper and Cisco routers, network design assessments, network security viii 152_wan_FM 6/22/01 4:18 PM Page ix architecture, wireless network design, and network optimization Donald’s background includes several start-up ventures, a successful career with International Network Services, and now Lucent Technologies Donald has developed and taught classes on wireless technologies,TCP/IP, BGP Routing, Multicast Networking, Implementing Juniper Routers in a Cisco-based Network, and Implementing DNS in a Enterprise or Global network His areas of expertise include large-scale DNS architecture and design, IP Network design, IP routing using BGP, IS-IS, or OSPF, and network security assessments He lives in Tulsa, OK Chuck Fite is a Consultant currently working for Iconixx Systems Engineering on Sprint ION He has been a technical writer, a test technician, and a business analyst in the computer and telecommunications industries for the past eight years Chuck received a B.S in Physics and an M.A in Rhetoric and Professional Communication from Iowa State University Jackie Tucker is a Kansas-based Technical Consultant with over 14 years experience in technical writing, interface design, and Web development She has participated in all phases of software design at several software companies, including a long tenure at Informix Software, Inc., worked extensively on Sprint ION, and is currently consulting in the network division of Sprint Corporation She graduated with honors from St Mary College with a B.S in Computer Science and from Baker University with a M.S in Management After work, Jackie spends as much time as possible with her husband Bob, and her two little girls, Sarah and Jessie, in a sports-filled household Michael Snodgrass serves as Distinguished Member of Consulting Staff with Lucent Technologies Worldwide Services and provides strategic and technical consulting associated with a wide variety of networking disciplines As a Senior Network Systems Consultant, he provides services across the entire realm of network engineering, ix ... Wheeler,Victoria Fuller, Jonathan Bunkell, and Klaus Beran of Harcourt International for making certain that our vision remains worldwide in scope Anneke Baeten, Annabel Dent, and Laurie Giles of Harcourt Australia... Services Creating a Detailed Physical Design Creating a Detailed Operations Design Creating a Detailed Operating Model Design Creating a Training Plan Developing a Maintenance Plan Developing an Implementation... Components Antennas Omnidirectional Antennas Directional Antennas Base Stations and Mobile Stations Access Points Channelizing the Frequency Spectrum Channelizing Channel Bandwidth Channel Spacing and