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346 16 DCast: Distributed Video Multicast
Raw
OFDM
Channel
Hadamard
-1
LMMSE
DCT
-1
MC
MVs
DCT
Coset
-1
DCT
-1
Reconstructed
video
Coset
values
Predicted
frame
LMMSE
FEC
-1
Meta data
Scaled
coefficients
64K-QAM
-1
BPSK
-1
Side
informa"on
VLC
-1
Figure 16.3 DCast receiver for inter frames.
8-bit integer number and every two integers compose one complex number of 64K
possible values. At last, these complex numbers are passed into a raw orthogonal
frequency division multiplexing (OFDM) module undergoing inverse fast Fourier
transform (iFFT) and D/A conversion for transmission.
The receiver side of DCast is depicted in Figure 16.3. The raw OFDM module per-
forms A/D conversion and ...