Wireless Local Area Networks
M. S. Obaidat, Monmouth University
G. I. Papadimitriou, Aristotle University, Greece
S. Obeidat, Arizona State University
Introduction
Overview
Applications of WLANs
Chapter Organization
802.11 MAC
Possible Topologies
Access Modes: DCF
Access Modes: PCF
802.11 Physical Layer
Concepts
Radio Link
Physical-Layer Standards
HIPERLANS
HIPERLAN Type 1
HIPERLAN Type 2
WLAN Security
Encryption in 802.11
Authentication in 802.11
Vulnerabilities
QOS Support: IEEE 802.11e
Challenges in Providing QoS Support over Wireless
QoS Mechanisms
Advanced Topics
Bluetooth
Voice over 802.11
Glossary
Cross References
References
INTRODUCTION
Overview
In the past few years, we have seen wireless technology permeate every aspect of our lives. The fob on your key-chain (to open the car remotely), wireless mice and keyboards, and personal digital assistants (PDAs) that synchronize with your workstation are just a few examples. This proliferation of wireless devices was the result of the Federal Communications Commission (FCC) decision to open the ISM (industrial, scientific, and medical) band to the public. Wireless local area networks (WLANs) were among the domains that benefited from this release. This release from licensing motivated many companies and research laboratories to develop and implement wireless LAN solutions.
This disorganized and parallel effort resulted in the emergence of proprietary solutions that do not interoperate with each other. Lack of interoperability ...
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