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Showing posts with label Wireless Network. Show all posts
Showing posts with label Wireless Network. Show all posts

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Wireless LAN Communications

This document presents an overview of two IBM wireless LAN products, IBMWireless LAN Entry and IBM Wireless LAN, and the technology they use for wireless communications. The information provided includes product descriptions, features and functions. Some known product limitations as well as a cross-product comparison are included to assist the reader in understanding where and which product to use for given circumstances.
Also documented are examples of product setup, configuration and the development of various scenarios conducted by the authors. Our intended audience is customers, network planners, network administrators and system specialists who have a need to evaluate, implement and maintain wireless networks. A basic understanding of LAN communications terminology and familiarity with common IBM and industry network products and tools is assumed.

Designing A Wireless Network

By Jeffrey Wheat, Randy Hiser, Jackie Tucker, Alicia Neely and Andy McCullough

Understand How Wireless Communication Works
  • Step-by-Step Instructions for Designing a Wireless Project from Inception to Completion
  • Everything You Need to Know about Bluetooth,LMDS, 802.11, and Other Popular Standards
  • Complete Coverage of Fixed Wireless,Mobile Wireless, and Optical
    Wireless Technology

Introduction

You’ve been on an extended business trip and have spent the long hours of the flight drafting follow-up notes from your trip while connected to the airline’s onboard server. After deplaning, you walk through the gate and continue into the designated public access area. Instantly, your personal area network (PAN) device, which is clipped to your belt, beeps twice announcing that it automatically has retrieved your e-mail, voicemail, and videomail.You stop to view the videomail—a finance meeting—and also excerpts from your children’s school play.

Meanwhile, when you first walked into the public access area, your personal area network device contacted home via the Web pad on your refrigerator and posted a message to alert the family of your arrival.Your spouse will know you’ll be home from the airport shortly.

You check the shuttlebus schedule from your PAN device and catch the next convenient ride to long-term parking.You also see an e-mail from your MP3 group showing the latest selections, so you download the latest MP3 play list to listen to on the way home.

As you pass through another public access area, an e-mail comes in from your spouse.The Web pad for the refrigerator inventory has noted that you’re out of milk, so could you pick some up on the way home? You write your spouse back and say you will stop at the store.When you get to the car, you plug your PAN device into the car stereo input port.With new music playing from your car stereo’s MP3 player, you drive home, with a slight detour to buy milk at the nearest store that the car’s navigation system can find.

The minute you arrive home, your PAN device is at work, downloading information to various devices.The data stored on your PAN device is sent to your personal computer (PC) and your voicemail is sent to the Bluetooth playback unit on the telephone-answering device.The PAN device sends all video to the television, stored as personal files for playback. As you place the milk in the refrigerator, the Web pad updates to show that milk is currently in inventory and is no longer needed.The kids bring you the television remote and you check out possible movies
together to download later that night.

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Designing a Wireless Network

Wireless Networking in the Developing World

Limehouse Book Sprint Team

Purpose of The Book By Publishers

The overall goal of this book is to help you build affordable communication technology in your local community by making best use of whatever resources are available. Using inexpensive off-the-shelf equipment, you can build high speed data networks that connect remote areas together, provide broadband network access in areas that even dialup does not exist, and ultimately connect you and your neighbors to the global Internet. By using local sources for materials and fabricating parts yourself, you can build reliable network links with very little budget. And by working with your local community, you can build a telecommunications infrastructure that benefits everyone who participates in it.

This book is not a guide to configuring a radio card in your laptop or choosing consumer grade gear for your home network. The emphasis is on building infrastructure links intended to be used as the backbone for wide area wireless networks. With that goal in mind, information is presented from many points of view, including technical, social, and financial factors. The extensive collection of case studies present various groups' attempts at building these networks, the resources that were committed to them, and the ultimate results of these attempts.

Since the first spark gap experiments at the turn of the last century, wireless has been a rapidly evolving area of communications technology. While we provide specific examples of how to build working high speed data links, the techniques described in this book are not intended to replace existing wired infrastructure (such as telephone systems or fiber optic backbone). Rather, these techniques are intended to augment existing systems, and provide connectivity in areas where running fiber or other physical cable would be impractical.......

We hope you find this book useful for solving your particular communication challenges.

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