Deploying License-Free Wireless Wide-Area Networks

ISBN-10: 1587050692

ISBN-13: 9781587050695

Edition: 2003

Authors: Jack Unger

List price: $60.00
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Description:

Deploying License-Free Wireless Wide-Area Networks is a real-world planning and implementation guide for readers who do not currently possess wireless knowledge or experience. This book guides corporate IT professionals and Internet Service Providers (ISPs) through the challenges of understanding, designing, deploying, and utilizing their own license-free, cost-efficient, broadband wireless wide-area networks. The book starts with the planning stages of wireless deployment, identifying the challenges and advantages of WANs while introducing readers to the fundamentals of wireless technology. Next, network architecture options are presented in a comparative analysis. Deploying License-Free Wireless Wide-Area Networks then delves into the details of license-free wireless, from antennae systems to site surveys to selecting equipment, and then deals with installation, testing, and noise mitigation. An appendix provides a how-to and real-world WISP case study.
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Book details

List price: $60.00
Copyright year: 2003
Publisher: Cisco Press
Publication date: 2/26/2003
Binding: Hardcover
Pages: 352
Size: 7.50" wide x 9.25" long x 1.00" tall
Weight: 1.782
Language: English

An Introduction to Broadband License-Free Wireless Wide-Area Networking
Differences Between Wired Networks and Wireless Networks
Wireless Terminology and Evolution
Broadband
Wide-Area Network
History of License-Free Wireless Networking
Advantages of License-Free Wireless Networks
Cost Savings
Fast Deployment Speed
Network Architecture Flexibility
Network Independence
Challenges of License-Free Wireless Networks
Challenge of Understanding Wireless Fundamentals
Challenge of Overcoming Real-World Obstacles
Challenge of Maximizing Available Bandwidth
Challenge of Working Safely with Wireless
Review Questions
Understanding Wireless Fundamentals
Wireless Propagation
Wireless Frequency
Wireless Wavelength
Attenuation
Free-Space Waves
Reflected Waves
Sky Waves
Microwave Reflections
Diffraction
Weather and Other Atmospheric Effects
Precipitation
Wind
Refraction
Working with Wireless Power
Ratios
Power Ratios
Wireless Power Ratios
dBm
dBm Calculations and Reference Chart
Antenna Characteristics
Antenna Directivity
Antenna Radiation Patterns
Antenna Gain
Antenna Spillover
Antenna Beamwidth
Obtaining Wireless Line-of-Sight Paths
Visual LOS Path
Difference Between Visual and Wireless LOS Paths
Fresnel Zone
Wireless Link Budget
Transmitter Output Power
Transmitter Antenna System Transmission Line Loss
Transmitting Antenna Gain
Free-Space Path Loss
Receiving Antenna Gain
Receiver Antenna System Transmission Line Loss
Receiver Sensitivity Threshold
Fade Margin
Doubling the Link Distance
Tips for Planning Long Wireless Links
Antenna Height
Fresnel Zone
Atmospheric Refraction (k-Factor)
Link Budget
Long-Link Strategies
Review Questions
Choosing Your Network Architecture
Point-to-Point Architecture
Advantages of Point-to-Point Architecture
Disadvantages of Point-to-Point Architecture
Examples of When to Use Point-to-Point Architecture
Point-to-Multipoint Architecture
Advantages of Point-to-Multipoint Architecture
Disadvantages of Point-to-Multipoint Architecture
Examples of When to Use Point-to-Multipoint Architecture
Cellular Architecture
Advantages of Cellular Architecture
Disadvantages of Cellular Architecture
Examples of When to Use Cellular Architecture
Mesh Architecture
Advantages of Mesh Architecture
Disadvantages of Mesh Architecture
Examples of When to Use Mesh Architecture
Selecting the Preliminary Network Architecture
Map the Locations of End Users
Evaluate Point-to-Point Architecture
Group Users by Proximity
Evaluate Point-to-Multipoint Architecture
Evaluate Cellular Architecture
Evaluate Mesh Architecture
Draft Preliminary Network Architecture
Confirm Hub Site Availability
Confirm End User Site Availability
Confirm Site Usability
Review Questions
Performing Site Surveys
Physical Site Surveys
Reviewing the Preliminary Network Design
Contacting Site Management
Physical Site Survey Preparation
Locating a Controlled Equipment Environment
Minimizing the Distance Between the Equipment and the Antenna
Gaining Access to the Roof
Routing the Cables
Surveying the Roof
Determining Where to Point the Antenna
Determining Where to Place the Antenna
Determining Antenna Height
Selecting the Antenna-Mounting Structure
Grounding the Antenna System
Revising the Preliminary Network Design
Radio Frequency (RF) Site Surveys
Overview of the RF Site Survey Process
RF Site Survey Test Equipment
How a Spectrum Analyzer Works
Inspecting Real-World Signals on a Spectrum Analyzer
RF Site Survey Principles
RF Site Survey Process
Documenting RF Site Survey Findings
No Spectrum Analyzer? Now What?
RF Criteria Evaluation and Conclusion
Performing Path Testing or Coverage Testing
Negotiating a Site Lease
Lease Rates
Avoiding Interference
Access to Equipment
Insurance Requirements
Work Requirements
Tower Site Requirements
Review Questions
Selecting Antenna Systems
Using Antennas to Focus Power and Reduce Interference
Antenna Building Blocks: Lights, Mirrors, and Lenses
Antenna Polarization
Polarization Selection Examples
Surveying Common Antenna Types
Omnidirectional Antennas
Yagi-Uda (Yagi) Antennas
Corner Reflector Antennas
Parabolic Reflector Antennas
Panel Antennas
Helix Antennas
Combining Antenna Systems
Feeding Power to Combined Antenna Systems
Bidirectional Antenna Systems
Diversity Antenna Systems
Isolating Antenna Systems
Benefiting from Antenna System Isolation
Vertical Separation Isolation
Horizontal Separation Isolation
Cross-Polarization Isolation
Obstruction Isolation
Sector Antenna Systems
Selecting Sector Antennas
Other Antenna System Components
Feed Systems
Feed System Connector Locations and Types
Antenna-Mounting Hardware
Antenna Coverings
Review Questions
Evaluating and Selecting Wireless Equipment
Overview of the Equipment Selection Process
Reviewing Your Wireless Network Needs
Researching Equipment Features
Visiting Deployment Sites
Testing Wireless Equipment in the Lab
Testing Wireless Equipment Outdoors
Making Purchase Decisions
OSI and TCP/IP Reference Models
Peer Protocols
Services
Basic Packet Structure and Frame Types
Application Layer Functions and Protocols
Transport Layer Functions and Protocols
Network Layer Functions and Protocols
Data Link Layer Functions and Protocols
Physical Layer Functions and Protocols
Physical Layer Wired-Interface Features
Low-Speed Data Ports
Ethernet Ports
High-Speed Data Ports
Voice Interfaces
Wired-Interface Security Features
Physical Layer Wireless-Interface Features
Non Line-of-Sight Features
Wireless Frequency Bands
Modulation Types
Bandwidth and Throughput
Noise and Interference Reduction Features
Physical Layer Wireless Security Features
Miscellaneous Wireless Features
Data Link Layer Features
Bridging Features
MAC Sublayer Features
Data Link Layer Security Features
Network Layer Features
Routing Features
Bandwidth Management
Quality of Service (QoS)
Roaming
Network Layer Security Features
Application Layer Features
Network Design
Network Management
Application Layer Security Features
Major Network Feature Decisions
Market Versus Equipment Cost
802.11b Compatibility--Yes or No?
Bridged Versus Routed WANs
Backbone Feature Decisions
AP Feature Decisions
CPE Feature Decisions
Wireless Network Card Decisions
Mesh Network Feature Decisions
Wireless Equipment Environmental Decisions
Wireless Amplifier Feature Decisions
Compatibility Issues
Wireless Support Issues
Review Questions
Installing Outdoor Wireless Systems
Preparing for Outdoor Wireless Installations
Planning
Collaboration
Safety Training
Availability and Use of Proper Tools
Professional Work Attitude
Verifying the Installation Documentation
Installing Tower-Mounted Antenna Systems
Working in High-RF Environments
Tower Equipment-Mounting Scenarios
Installing Rooftop-Mounted Antenna Systems
Building the Roof-Mounted Antenna Base
Installing the Antenna
Waterproofing the Connections and the Equipment
Attaching the Guy Wires
Raising the Antenna and Mast
Running the Cabling
Grounding and Lightning Protection
Installing the Wireless Equipment
Testing Wireless Systems
Testing Point-to-Point Wireless Links
Testing Point-to-Multipoint Wireless Links
Documenting the Test Results
Review Questions
Solving Noise and Interference Problems
Understanding SNR
Maximizing the Signal Level
Minimizing the Noise and Interference Level
Minimizing Noise from Your DSSS Network
Minimizing Noise from Your FHSS Network
Minimizing Noise from Other Networks
Minimizing Noise from Out-of-Band Transmitters
Signal-to-Noise Variations over Time
Using Direction-Finding Techniques to Locate Noise Sources
Monitoring Network Performance
Documenting Noise-Reduction Results
Minimizing Interference to Licensed Wireless Systems
Review Questions
Providing Broadband Wireless Internet Access
Planning for WISP Success
Obtaining ISP and WISP Experience
Serving Niche Markets
Differentiating Between Bandwidth and Throughput
Pricing Your Service Offerings
Overselling Throughput
Committing to High-Reliability Service
Preplanning the Installation Process
Designing Reliable Networks
Selecting Low-Noise AP Locations
Planning for Emergencies
Learning to Spell Decibels
Using Licensed Backhauls
Deploying Stable Networks
Wireless Site Surveys
Standardizing Customer Premises Equipment (CPE)
Avoiding Needless Equipment Mixing
Meeting the Customer at the Ethernet
Measuring Fade Margin
Allowing AP Test Time
Managing Network Throughput
Minimizing Lost Throughput
Reusing Frequencies Successfully
Allocating Throughput Per Customer
Determining Network Capacity
Keeping Some Throughput in Reserve
Enhancing Network Security
Coexisting with Other Wireless Networks
Cooperating with Competitors
Interference from Other WISPs
Interference with Amateur Radio Operations
Living with the FCC
Observing FCC Power Limits
FCC Equipment Certification
Responding to FCC Inquiries
Lobbying the FCC
Anticipating Emerging Trends
CPE Equipment Cost Reductions
802.11 Creep
802.11b and Cellular Service Integration
Other Trends
Avoiding Black Holes
NLOS Equipment Performance
Receiver Performance Near High-Power Transmitters
Commercial Tower Companies
Changes to Government Licensing Regulations
Review Questions
Wireless Standards Summary
Wireless Hardware, Software, and Service Provider Organizations
Wireless Hardware
Low-Cost 802.11b Access Point Hardware
Wireless Hotspot Hardware
Free Space Optical Hardware
Security Hardware and Software
Antenna Systems
Coaxial Cable
Towers and Antenna Mounting Hardware
Lightning-Protection Equipment
Grounding Equipment
Test Equipment
Peripheral Equipment Distributors
Wireless Software
Access Point Software
Bandwidth Management Software
Wireless Link Planning Software
Utility Software
Site Survey Software
Services
Consulting
Training
Suggested Books for Further Reading
Online Magazines
WISP Industry Organizations
E-Mail Lists
FCC Rules and Regulations
Wireless Standards
Locating a WISP
Community Networks and Wireless User Groups
Answers to Chapter Review Questions
Index
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