Contents

Index

• Getting Started

• Using the Libraries

Accessing the Libraries

• Signal Support

Section Overview

Signal Terminology

Processing Matrices, Vectors, and Scalars

Processing Frame-Based and Sample-Based Signals

• Communications Sources

Section Overview

Random Data Sources

Random Noise Generators

Sequence Generators

Sequence Generator Examples

Block Parameters

• Communications Sinks

Section Overview

Error Statistics

Example: Viewing a Sinusoid

Example: Viewing a Modulated Signal

• Source Coding

Section Overview

Representing Quantization Parameters

Quantizing a Signal

Companding a Signal

Selected Bibliography for Source Coding

• Block Coding

Section Overview

Block-Coding Features of the Blockset

Communications Toolbox Support Functions

Channel-Coding Terminology

Data Formats for Block Coding

Using Block Encoders and Decoders Within a Model

Examples of Block Coding

Notes on Specific Block-Coding Techniques

Shortening, Puncturing, and Erasures

Selected Bibliography for Block Coding

• Convolutional Coding

Section Overview

Convolutional-Coding Features of the Blockset

Parameters for Convolutional Coding

Example: A Rate 2/3 Feedforward Encoder

Implementing a Systematic Encoder with Feedback

Example: Soft-Decision Decoding

Example: Tailbiting Encoding Using Feedback Encoders

Selected Bibliography for Convolutional Coding

• Cyclic Redundancy Check Coding

Section Overview

CRC-Coding Features of the Blockset

Selected Bibliography for CRC Coding

• Interleaving

Section Overview

Block Interleavers

Convolutional Interleavers

Selected Bibliography for Interleaving

• Analog Modulation

Section Overview

Analog Modulation Features of the Blockset

Representing Signals for Analog Modulation

Sampling Issues in Analog Modulation

Filter Design Issues

• Digital Modulation

Section Overview

Accessing Digital Modulation Blocks

Digital Modulation Features of the Blockset

Baseband Modulated Signals

Representing Signals for Digital Modulation

Delays in Digital Modulation

Upsampled Signals and Rate Changes

Examples of Digital Modulation

Setting Noise Variance for Computing LLRs

Constellation Visualization

Selected Bibliography for Digital Modulation

• Communications Filters

Section Overview

Filter Features of the Blockset

Group Delay of a Filter

Filtering with Raised Cosine Filter Blocks

Example: Using Raised Cosine Filters

Selected Bibliography for Communications Filters

Section Overview

Fading Channels

Binary Symmetric Channel

Selected Bibliography for Channels

• MIMO

MIMO Features of the Blockset

OSTBC Over 3x2 Rayleigh Fading Channel

Selected Bibliography for MIMO systems

• RF Impairments

Section Overview

Types of RF Impairments that the Blocks Model

Scatter Plot Examples

Example Using the RF Impairments Library Blocks

• Synchronization

Section Overview

Timing Phase Recovery

Supported Algorithms for Timing Phase Recovery

Feedforward Method for Timing Phase Recovery

Feedback Methods for Timing Phase Recovery

Choosing a Method for Timing Phase Recovery

Examples of Timing Phase Recovery

Squaring Timing Phase Recovery Example

Carrier Phase Recovery

Supported Algorithms for Carrier Phase Recovery

Carrier Phase Recovery Example

Selected Bibliography for Synchronization

Section Overview

Sources of Background Material

Equalization Features of the Blockset

Using Adaptive Equalizers

Example: LMS Linear Equalizer

Using MLSE Equalizers

• Modeling Communication Systems

• Data Type Support

• Algorithm Used to Decode BCH and Reed-Solomon Codes

• Release Notes

Learn more about Communications Blockset

Using the Libraries

This chapter describes and illustrates how to model communication techniques using the blocks in Communications Blockset™. Most sections correspond to core libraries within the blockset.

User's Guide

Accessing the Libraries

Accessing the Libraries

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