COFDM介绍

About Coded-OFDM
Coded
Orthogonal Frequency Division
Multiplexing (COFDM)


Kenneth Welling
June 23, 1999



COFDM Kenneth Welling
 OFDM Overview
Spectrum of normal
time domain sequence

Spectrum of classical
frequency division
multiplexing (FDM)

Spectrum of
Orthogonal Frequency
Division Multiplexing


COFDM Kenneth Welling
 OFDM Overview
Input constellation points (complex) Spectrum of the composite signal
φ0(t)
x0,m 0123 ... N-1


φ1(t)