BCM4330 Preliminary Data Sheet
WLAN PHY Description
Descramble and
Deframe
Equalizer
Demod Combine
Demapper
Viterbi
FFT of 2 Symbols
hold
Transmitter
hnew
Weighted
Averaging
Channel h
hupd
Symbol
Memory
Estimate
Channel
Figure 36: STBC Receive Block Diagram
In STBC mode, symbols are processed in pairs. Equalized output symbols are linearly combined and decoded.
Channel estimate is refined on every pair of symbols using the received symbols and reconstructed symbols.
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BCM4330 Preliminary Data Sheet
April 28, 2011 • 4330-DS304-RI
Page 92
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