Contents

Acknowledgments

Introduction

Part One 3G Hardware

Chapter 1 Spectral Allocations—Impact on Handset Hardware Design

Setting the Stage

Duplex Spacing for Cellular (Wide Area) Networks

Multiplexing Standards: Impact on Handset Design

FDMA

TDMA

CDMA

Difference between CDMA and TDMA

Modulation: Impact on Handset Design

Future Modulation Schemes

TDMA Evolution

5 MHz CDMA: IMT2000DS

Advantages of 5 MHz RF Channel Spacing

Impact of Increasing Processor Power on Bandwidth Quality

Multiplexing

Source Coding

Channel Coding

Convolution and Correlation

Summary

A Note about Radio Channel Quality

A Note about Radio Bandwidth Quality

Chapter 2 GPRS/EDGE Handset Hardware

Design Issues for a Multislot Phone

Design Issues for a Multiband Phone

Design Issues for a Multimode Phone

The Design Brief for a Multislot, Multiband, Multimode Phone

Receiver Architectures for Multiband/Multimode

Direct Conversion Receivers

To Sum Up

Transmitter Architectures: Present Options

Issues to Resolve

GPRS RF PA

Manage Power-Level Difference Slot to Slot

Power Amplifier Summary

Multiband Frequency Generation

Summary

Chapter 3 3G Handset Hardware

Getting Started

Code Properties

Code Properties—Orthogonality and Distance

Code Capacity—Impact of the Code Tree and Non-Orthogonality

Common Channels

Synchronization

Dedicated Channels

Code Generation

Root Raised Cosine Filtering

Modulation and Upconversion

Power Control

The Receiver

The Digital Receiver

The RAKE Receive Process

Correlation

Receiver Link Budget Analysis ...

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