BCM4319XKUBGT Datasheet, PDF (42/84 Pages) Cypress Semiconductor – Single-Chip IEEE 802.11™ a/b/g/n MAC/Baseband/ Radio with Integrated SDIO and USB Interfaces

BCM4319 Preliminary Data Sheet
PHY Features
Figure 16: STBC Receive Block Diagram
FFT of 2
Symbols
Equalizer
Channel h
Demod
Combine
Demapper
h_old
Weighted
h_new
h_upd ^Averaging
Viterbi
Descramble
and Deframe
Transmitter
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^®
April 2, 2014 • 4319-DS05-R
Single-Chip IEEE 802.11™ a/b/g/n MAC/Baseband/Radio
Page 41