CDMA2000 System

CDMA2000 System

This figure shows an overview of a CDMA2000 radio system. This diagram shows that there are several types of devices that can be used in the CDMA2000 system. These include CDMA2000 multiple bandwidth radios and IS-95 CDMA compatible mobile telephones. The CDMA2000 mobile telephone devices are usually capable of operating as IS-95 CDMA and CDMA2000 mobile radios. This diagram also shows that the CDMA2000 system can mix and combine standard 1.25 MHz wide IS-95 channels into the 3.75 MHz CDMA2000 channels.

Table of Contents

CODE DIVISION MULTIPLE ACCESS (CDMA)

HISTORY

CDMA2000 SYSTEM OVERVIEW

IS-95 CDMA Core System
FDD/CDMA2000
TDD/CDMA2000

IS-95 CDMA SYSTEM

Spreading (Walsh) Codes in IS-95 CDMA
Channel Coding and Modulation
CDMA Coded Channels
IS-95 CDMA System Attributes and Features
Signaling
Registration
Data Transfer
Handoffs

CDMA2000 SYSTEM

Band Class
CDMA2000 Radio Channels
Radio Configurations (RC)
Physical Radio Carriers (Channels)
Logical Channels
Channel Structure
Speech Coding
Soft Capacity
Beam Forming

BASIC OPERATION

Access
Paging
Handoff ("Handover")