资料介绍
Designing and Testing 3GPP W-CDMA Base Stations (AN 1355)Agilent Designing and Testing 3GPP W-CDMA Base Transceiver Stations
Application Note 1355
DTCH data bits DCCH data bits
Add CRC & tail bits Add CRC & tail bits
Conv. coder
Rate matching Rate matching
Interleaver
Frame segment TrCH mux Frame segment
CCTrCH
Interleaver
Conv. coder
Interleaver
Spreading
I scramble
+
I
OVSF code generator Complex scramble code generator
I
-
DPCCH Time multiplexer
S-P
Complex scrambling
Q scramble
+ +
Q
Q I scramble
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1. Basic Concepts of W-CDMA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.1 Code division multiple access . . . . . . . . . . . . . . . . . . . .