cdma2000技术详论

Introduction to cdmaCourse 131 Introduction to CDMA
Scott Baxter
www.howcdmaworks.com 800-890-0829

CDMA 131 Outline
Deployment
N Multiple

Overview and Outlook CDMA Basics
Access Technology Survey N CDMA coding principles N Spread Spectrum principles N Forward and Reverse Channel Structure
CDMA CDMA

System Architecture
CBSC BTS OMC-R

N PCSC N Power

Details and Operation

Control N Handoff mechanics N Optimization concepts
2

CDMA Deployment Status Review

80 70 60 50 Millions 40 30 20 10 0

CDMA Worldwide Subscriber Growth
1Q-2000 SUBSCRIBERS 57M

19 M

32 M

6.5 M
1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 1Q 2Q 3Q 4Q 2000 1997 1998 1999

Source: www.cdg.org



IS-95/J-Std008 CDMA commercial deployment began in Asia
N

Hong Kong, South Korea



North America started later but is rapidly growing, both at