Preface
1. Introduction to Wireless Networks
Why Wireless?
A Network by Any Other Name...
2. Overview of 802.11 Networks
IEEE 802 Network Technology Family Tree
802. 11 Nomenclature and Design
802. 11 Network Operations
Mobility Support
3. The802.11 MAC
Challenges for the MAC
MAC Access Modes and Timing
Contention-Based Access Using the DCF
Fragmentation and Reassembly
Frame Format
Encapsulation of Higher-Layer Protocols Within 802. 11
Contention-Based Data Service
4. 802.11 Framing in Detail
Data Frames
Control Frames
Management Frames
Frame Transmission and Association and Authentication States
5. Wired Equivalent Privacy (WEP)
Cryptographic Background to WEP
WEP Cryptographic Operations
Problems with WEP
Conclusions and Recommendations
6. Security Take 2: 802.1x
The Extensible Authentication Protocol
802. lx: Network Port Authentication
802. lx on Wireless LANs
7. Management 0perations
Management Architecture
Scanning
Authentication
Association
Power Conservation
Timer Synchronization
8. Contention-Free Service with the PCF
Contention-Free Access Using the PCF
Detailed PCF Framing
Power Management and the PCF
9. Physical Layer 0verview
Physical-Layer Architecture
The Radio Link
RF and 802. l l
10. The ISM PHYs: FH, DS, and HR/DS
802. ll FH PHY
802. ll DS PHY
802. 11b: HR/DSSS PHY
11. 802.11a: 5-GHzOFDM PHY
Orthogonal Frequency Division Multiplexing (OFDM)
OFDM as Applied by 802. 11a
OFDM PLCP
OFDM PMD
Characteristics of the OFDM PHY
12. Using 802.11 on Windows
Nokia C110/C111
Lucent ORiNOCO
13. Using 802.11 on Linux
A Few Words on 802. 11 Hardware
PCMCIA Support on Linux
linux-wlan-ng for Intersil-Based Cards
Agere (Lucent) Orinoco
14. Using 802.11 Access Points
General Functions of an Access Point
ORiNOCO (Lucent) AP-1000 Access Point
Nokia A032 Access Point
15. 802.11 Network Deployment
The Topology Archetype
Project Planning
The Site Survey
Installation and the Final Rollout
16. 802.11 Network Analysis
Why Use a Network Analyzer?
R02. l l Network Analyzers
Commercial Network Analyzers
Ethereal
802. ll Network Analysis Examples
AirSnort
17. 802.11 Performance Tuning
Tuning Radio Management
Tuning Power Management
Timing Operations
Physical Operations
Summary of Tunable Parameters
18. The Future, at Least for 802.11
Current Standards Work
The Longer Term
The End
A. 802.11 MIB
B. 802.11 on the Macintosh
Glossary
Index
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