Implementing 802.11, 802.16 and 802.20 wireless networks : planning, troubleshooting, and operations
著者
書誌事項
Implementing 802.11, 802.16 and 802.20 wireless networks : planning, troubleshooting, and operations
（Communications engineering series）
Newnes, 2005
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注記
Includes index
HTTP:URL=http://www.loc.gov/catdir/toc/els051/2004055193.html Information=Table of contents
HTTP:URL=http://www.loc.gov/catdir/description/els051/2004055193.html Information=Publisher description
内容説明・目次
内容説明
This is not another book about installing a home or "hobby" Wi-Fi system. Instead, this book shows you how to plan, design, install, and operate WLAN systems in businesses, institutions, and public settings such as libraries and hotels. In other words, this book is packed with serious information for serious professionals responsible for implementing robust, high performance WLANs covering areas as small as a coffee shop or as large as entire communities. Ron Olexa provides a solid foundation in RF/wireless theory as it applies to WLANs. His detailed, thorough coverage of propagation at GHz frequencies helps you understand the mysteries of WLAN coverage (such as how it can change from season to season due to foliage). You'll also learn about antenna radiation patterns and gain so you can design you WLAN to have the coverage you need without causing interference to (or suffering interference from) other WLANs.
目次
- Introduction
- High speed Wireless Data standards
- Radio and RF Basics: Receiver, Transmitter, Antennas, Modulation, Shannon information theory and its effect on receiver sensitivity and EbNo, RF Channelization,RF Link budget, Acceptable path loss,Frequency reuse
- Propagation basics: Radio wave propagation above 2 GHz, Multipath and it's effects,Fading, Terrain and morphological considerations, Line of sight, free space and non-line of sight paths and their unique effect on path loss and attenuation
- Propagation modeling and measuring:Simple modeling techniques, Complex computer modeling techniques, Site surveys and measurement
- System Planning: Determine available products, Determining capacity requirements, Determining coverage requirements,Point to point,Multipoint Antenna selection and location, Frequency planning,Interference management,Backhaul,Network requirements, Costs
- System implementation, testing, and optimization: RF planning, Central equipment (routers, gateways and firewalls), Internet access facilities, Equipment selection,Construction, Testing and optimization, Monitoring and management
- Troubleshooting: Coverage holes,Interference, Area variables, Capacity,Throughput
- Back office systems: Billing,Customer care,Tech support,Trouble ticket management, Order entry and financial
- Path loss spreadsheets designed by Author, Publicly available tools such as Netstumbler and Kismet, Demo versions from one or more purveyors of commercial computer propagation analysis tools.
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