BCM4319 Preliminary Data Sheet
PHY Features
Figure 16: STBC Receive Block Diagram
Descramble
and Deframe
Demod
Combine
FFT of 2
Symbols
Equalizer
Demapper
Viterbi
hold
Transmitter
hnew
Weighted
Averaging
Channel h
hupd
Symbol
Memory
Estimate
Channel
In STBC mode, symbols are processed in pairs. Equalized output symbols are linearly combined and decoded.
Channel estimates are refined on every pair of symbols using the received symbols and reconstructed symbols.
Broadcom®
Single-Chip IEEE 802.11™ a/b/g/n MAC/Baseband/Radio
Page 41
April 2, 2014 • 4319-DS05-R