802.11 Wireless Networks: The Definitive Guide, Second Edition

ISBN: 0596100523
EAN: 2147483647

Year: 2003
Pages: 179

Authors: Matthew Gast

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Introduction to Wireless Networking

• Introduction to Wireless Networking
• Why Wireless?
• What Makes Wireless Networks Different
• A Network by Any Other Name...

Overview of 802.11 Networks

• Overview of 802.11 Networks
• IEEE 802 Network Technology Family Tree
• 11 Nomenclature and Design
• 11 Network Operations
• Mobility Support

11 MAC Fundamentals

• 11 MAC Fundamentals
• 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
• Frame Processing and Bridging

11 Framing in Detail

• 11 Framing in Detail
• Data Frames
• Control Frames
• Management Frames
• Frame Transmission and Association and Authentication States

Wired Equivalent Privacy (WEP)

• Wired Equivalent Privacy (WEP)
• Cryptographic Background to WEP
• WEP Cryptographic Operations
• Problems with WEP
• Dynamic WEP

User Authentication with 802.1X

• User Authentication with 802.1X
• The Extensible Authentication Protocol
• EAP Methods
• 1X: Network Port Authentication
• 1X on Wireless LANs

11i: Robust Security Networks, TKIP, and CCMP

• 11i: Robust Security Networks, TKIP, and CCMP
• The Temporal Key Integrity Protocol (TKIP)
• Counter Mode with CBC-MAC (CCMP)
• Robust Security Network (RSN) Operations

Management Operations

• Management Operations
• Management Architecture
• Scanning
• Authentication
• Preauthentication
• Association
• Power Conservation
• Timer Synchronization
• Spectrum Management

Contention-Free Service with the PCF

• Contention-Free Service with the PCF
• Contention-Free Access Using the PCF
• Detailed PCF Framing
• Power Management and the PCF

Physical Layer Overview

• Physical Layer Overview
• Physical-Layer Architecture
• The Radio Link
• RF Propagation with 802.11
• RF Engineering for 802.11

The Frequency-Hopping (FH) PHY

• The Frequency-Hopping (FH) PHY
• Frequency-Hopping Transmission
• Gaussian Frequency Shift Keying (GFSK)
• FH PHY Convergence Procedure (PLCP)
• Frequency-Hopping PMD Sublayer
• Characteristics of the FH PHY

The Direct Sequence PHYs: DSSS and HR/DSSS (802.11b)

• The Direct Sequence PHYs: DSSS and HR/DSSS (802.11b)
• Direct Sequence Transmission
• Differential Phase Shift Keying (DPSK)
• The Original Direct Sequence PHY
• Complementary Code Keying
• High Rate Direct Sequence PHY

11a and 802.11j: 5-GHz OFDM PHY

• 11a and 802.11j: 5-GHz OFDM PHY
• Orthogonal Frequency Division Multiplexing (OFDM)
• OFDM as Applied by 802.11a
• OFDM PLCP
• OFDM PMD
• Characteristics of the OFDM PHY

11g: The Extended-Rate PHY (ERP)

• 11g: The Extended-Rate PHY (ERP)
• 11g Components
• ERP Physical Layer Convergence (PLCP)
• ERP Physical Medium Dependent (PMD) Layer

A Peek Ahead at 802.11n: MIMO-OFDM

• A Peek Ahead at 802.11n: MIMO-OFDM
• Common Features
• WWiSE
• TGnSync
• Comparison and Conclusions

11 Hardware

• 11 Hardware
• General Structure of an 802.11 Interface
• Implementation-Specific Behavior
• Reading the Specification Sheet

Using 802.11 on Windows

• Using 802.11 on Windows
• Windows XP
• Windows 2000
• Windows Computer Authentication

11 on the Macintosh

• 11 on the Macintosh
• The AirPort Extreme Card
• 1X on the AirPort

Using 802.11 on Linux

• Using 802.11 on Linux
• PCMCIA Support on Linux
• Linux Wireless Extensions and Tools
• Agere (Lucent) Orinoco
• Atheros-Based cards and MADwifi
• 1X on Linux with xsupplicant

Using 802.11 Access Points

• Using 802.11 Access Points
• General Functions of an Access Point
• Power over Ethernet (PoE)
• Selecting Access Points
• Cisco 1200 Access Point
• Apple AirPort

Logical Wireless Network Architecture

• Logical Wireless Network Architecture
• Evaluating a Logical Architecture
• Topology Examples
• Choosing Your Logical Architecture

Security Architecture

• Security Architecture
• Security Definition and Analysis
• Authentication and Access Control
• Ensuring Secrecy Through Encryption
• Selecting Security Protocols
• Rogue Access Points

Site Planning and Project Management

• Site Planning and Project Management
• Project Planning and Requirements
• Network Requirements
• Physical Layer Selection and Design
• Planning Access-Point Placement
• Using Antennas to Tailor Coverage

11 Network Analysis

• 11 Network Analysis
• Network Analyzers
• Ethereal
• 11 Network Analysis Checklist
• Other Tools

11 Performance Tuning

• 11 Performance Tuning
• 11 Performance Calculations
• Improving Performance
• Tunable 802.11 Parameters

Conclusions and Predictions

• Conclusions and Predictions
• Standards Work
• Current Trends in Wireless Networking