wcdma基站的测试设计by agilent

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 . . . . . . . . . . . . . . . . . . . .