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摩托 CDMA系统硬件介绍Introduction CDMA Background and Theory of Operation
Jon St. Clair
Senior Staff Engineer

Motorola
Fort Worth, Texas

If you have any questions, suggestions, or updates, please do not hesitate to contact me. Email: qjs006@email.mot.com Phone: (817) 245-6613

Network Context
Mobile Switching Center “Switch” Centralized Base Station Controller

MSC CBSC MM XC

PSTN
Land Line Phone Public Switch Telephone Network Transcoder (XC) (voice vocoder) Mobility Manager (MM) (manages mobile calls)

Operations and Maintenance Center - Radio

CBSC MM XC

OMC-R

Base Transceiver Station

BTS

BTS

BTS

CDMA Air Interface
MS
Mobile Subscriber (phone) (also called the personal station)

Mobile Units Transmit and Receive using the CDMA Air Interface Format

The Cellular or Personal Communications System (P