prev next

Table of Contents

 

History

The First and Second Generation

2.5G and 3G – The Third Generation

WCDMA vs. IS-95

Other Cellular Transmission Methods

TDMA – Time Division Multiple Access

FDMA - Frequencies Division Multiple Access

CDMA – Code Division Multiple Access

The Basis of WCDMA

            PN Code

            Advantages of Spread Spectrum

            Walsh-Hadamard

            OVSF - Orthogonal Variable Spreading Factor

            Modulation

The Rake Receiver

            MRC - Maximum Ratio Combining

            The Received Signal

            Channel Effects

            Receiver Designs

            Synchronization

WCDMA Types

The Standard

            DPCCH

            Downlink

            Common Transport Channels

Bibliography