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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

Channel Estimation

Channel estimation is the task of estimating the frequency response of the radio channel the transmitted signal travels before reaching the receiver antenna. The impulse response of a time varying radio channel is usually [20] represented as a discrete time FIR filter

Equation 2.66

WLAN applications generally assume that the channel is quasistationary, that is, the channel does not change during the data packet. With this assumption the time dependency in Equation 2.66 can be dropped

Equation 2.67

Then the discrete time frequency ...

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Publisher Resources

ISBN: 0672321572Purchase book