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OFDM Wireless LANs: A Theoretical and Practical Guide
book

OFDM Wireless LANs: A Theoretical and Practical Guide

by John Terry, Juha Heiskala
December 2001
Intermediate to advanced content levelIntermediate to advanced
336 pages
8h 42m
English
Sams
Content preview from OFDM Wireless LANs: A Theoretical and Practical Guide

Components of a Digital Communication System

In this section, the basic elements of a digital communication system are reviewed. The fundamental principle that governs digital communications is the “divide and conquer” strategy. More specifically, the information source is divided into its smallest intrinsic content, referred to as a bit. Then each bit of information is transmitted reliably across the channel. In general, the information source may be either analog or digital. Analog sources are considered first since they require an additional processing step before transmission. Examples of analog sources used in our everyday lives are radios, cameras, and camcorders. Each of these devices is capable of generating analog signals, such as voice ...

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Publisher Resources

ISBN: 0672321572Purchase book