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Contents
Preface
Introduction
Chapter 1: High-Speed Wireless Data: System Types,
Standards-Based and Proprietary Solutions
Fixed Networks
Nomadic Networks
Mobile Networks
Standards-Based Solutions and Proprietary Solutions
Overview of the IEEE 802.11 Standard
Overview of the IEEE 802.16 Standard
10-66 GHz Technical Standards
2-11 GHz Standards
Overview of the IEEE 802.20 Standard
Proprietary Solutions
Chapter 2: Basic Radio and RF Concepts
RF Energy
RF Generation and Transmission
Oscillator
Power Amplifiers
Antennas and Feedlines
RF Reception
Modulation of RF Signals
Amplitude Modulation
Frequency Modulation
Complex Modulation
Duplexing
Frequency Division Duplexing
Time Division Duplexing
Multiple Access Techniques
Spread-Spectrum Modulation
OFDM
Ultra Wideband
Chapter 3: Propagation, Path Loss, Fading and Link Budgets
Path Loss and System Coverage
Frequency Reuse
Chapter 4: Propagation Modeling and Measuring
Predictive Modeling Tools
Spreadsheet Models
Terrain-Based Models
Effectively Using a Propagation Analysis Program
Using a Predictive Model
The Comprehensive Site Survey Process
Survey Activity Outline
Identification of Requirements
Identification of Equipment Requirements
The Physical Site Survey
Determination of Antenna Locations
RF Site Survey Tools
The Site Survey Checklist
The RF Survey
Data Analysis
Chapter 5: System Planning
System Design Overview
Location and Real Estate Considerations
System Selection Based Upon User Needs
Identification of Equipment Requirements
Identification of Equipment Locations
Channel Allocation, Signal-to-Interference, and Reuse Planning
Network Interconnect and Point-to-Point Radio Solutions
Costs
The Five C’s of System Planning
Chapter 6: System Implementation, Testing and Optimization
Real-World Design Examples
Example One: Local Coffee House
Example Two: Office LAN Deployment
2.4 GHz RF Coverage Results
5.6 GHz RF Coverage Results
Capacity Requirements
System Design Analysis
NEC, Fire, and Safety Code Concerns
Example Three: Community WISP
Community: A Garden Style Apartment Complex
RF Considerations
Backhaul
Weatherproofing
Grounding and Lightning Protection
Community: A Small Area Subdivision
Equipment Selection
System Planning
Community: An Urban or Suburban Area Serving Business Users
Spectrum Issues
Design Considerations
Community: A Small Town System for Consumer and Business Users
Summary
Example Four: Mobile Broadband Network
Initial Modeling
Preliminary Information
Coverage Modeling
Capacity Modeling
Cost Modeling
Designing in the Real World
Chapter Summary
Chapter 7: Back Office System Requirements
Network Systems Required
Customer Authorization System
Billing Data Collection
Network Monitoring and Control
Billing System
Trouble Ticketing
Customer Service Systems
Design Considerations and Requirements
Chapter 8: Network Performance Testing and Troubleshooting
Low RSSI and Noise Levels in a Single Area
High Noise or Interference Levels
Throughput Problems Unrelated to Signal or Noise
Repeater Mode
Multiple Channel Reuse in a Close Area
Near/Far Problems
Hidden Node Problems
Client Card “Roam”
Viruses and Trojans
Troubleshooting Summary
About the Author
List of Acronyms
Index |
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发表于 2006-2-23 10:52:52
楼主
发表于 2006-5-15 10:09:58
