W-CDMA Transmitter Architecture
Data
0101
Turbo Encoder
CRC
FEC
Convolutional Encoder
Block Interleaver
OVSF Code Generator
Scrambling (PN) Code Generator
¡°Gold Code¡± Complex Spreading
I/Q Mapper
RRC Filter
RRC Filter
Interpolation
Interpolation
NCO
QPSK Modulator
~
DAC
COS (2?ft)
Base Band Transmit Filter
S
A
A
B
B
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