Click to enlargeIntroduction to 802.11<br>Wireless LAN (WLAN)<a name="top">

Technology, Installation, Setup, and Services

Authors: Lawrence Harte

Number of Pages: 62
Number of Diagrams: 26



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This book explains the functional parts of a Wireless LAN system and their basic operation. You will learn how WLANs can use an access point to connect to each other or how they can directly connect between two computers. Explained is the basic operation of WLAN systems and how the performance may vary based on more....

Sample Diagrams

There are more than 26 explanatory diagrams in this book

802.11B Radio System

This diagram shows the basic radio size used in the 802.11b system. This example shows that the radio channel in the 802.11b system is 25 MHz wide and that the center frequency of the radio channel can be assigned to different points (channels) in the 96 MHz industrial, scientific, and medical (ISM) unlicensed frequency band. This example shows that there can be up to 3 non-interfering (non-overlapping) 802.11b radio channels operating in the same ISM frequency band.


802.11 System Types

This figure shows the different product groups of 802.11 systems and how the data transmission rates have increased in the 802.11 WLAN over time as new more advanced modulation technologies are used. The first systems could only transmit at 1 Mbps. The current evolution of 802.11A and 802.11G allows for data transmission rates of up to 54 Mbps.


Table of Contents

Introduction to Wireless Local Area Networks (WLANs)

Frequency Bands

Radio Interference

Market Growth

Technologies

- Ethernet
- Spread Spectrum Radio
- Modulation Types
- Access Security
- Encryption (Information Privacy)

Basic Operation
- Addressing
- Medium Access Control (MAC)
- Association

Industry Standards

- 802.11
- 802.11A
- 802.11B
- 802.11G
- HyperLAN

Wireless LAN System Parts

- End User Access Devices (Stations)
- Access Points (APs)
- Bridges
- Gateway
- Repeater (Extender)
- Backbone Interconnection
- Antennas
- Servers

WLAN System Setup

- Communication Requirement Analysis
- Network Design
- Equipment Installation
- Equipment Configuration
- Security Setup
- System Testing
- Dual Band

Wi-Fi Certification

Future Enhancements

- Proprietary Protocols
- Wireless Metropolitan Area Network (WMAN)

INDEX

About the Author

Mr. Lawrence Harte has over 29 years of experience in the electronics industry including company leadership, product management, development, marketing, design, and testing of telecommunications (cellular), radar, and microwave systems. He has been issued patents relating to cellular technology. He has authored over 75 articles on related subjects and has been a speaker and panel moderator at industry trade events. Mr. Harte earned executive MBA at Wake Forest University and received his Bachelors degree from University of the State of New York. During the TDMA digital cellular standard development process, Mr. Harte served as an editor and voting company representative for the Telecommunications Industries Association (TIA) TR45.3, digital cellular standards committee. As of 2003, Mr. Harte had authored and co-authored over 20 books relating to telecommunications technology. He has served as a consultant and expert witness for leading companies including Ericsson, Siemens, VLSI, AMD, Casio, Samsung, Sony, ATT, Nokia, Hughes and many others.

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Description

This book explains the functional parts of a Wireless LAN system and their basic operation. You will learn how WLANs can use an access point to connect to each other or how they can directly connect between two computers. Explained is the basic operation of WLAN systems and how the performance may vary based on a variety of controllable and uncontrollable events.

This book will explain the key differences between the WLAN system versions such as frequency and data rate along with which versions are compatible with each other. Tips are included on how to install a WLAN system along with common problems you may encounter and solutions you may use.

Discussed are the basic steps for equipment configuration and options you may want to consider to maintain system security.

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