Franceschini / Ferrari / Raheli LDPC Coded Modulations

2009
ISBN: 978-3-540-69457-1
Verlag: Springer Berlin Heidelberg
Format: PDF
Kopierschutz: 1 - PDF Watermark

E-Book, Englisch, 201 Seiten

Reihe: Signals and Communication Technology

This book focuses on the analysis and design of low-density parity-check (LDPC) coded modulations, which are becoming part of several current and future communication systems, such as high-throughput terrestrial and satellite wireless networks. In this book, a two-sided perspective on the design of LDPC coded systems is proposed, encompassing both code/modulation optimization (transmitter side) and detection algorithm design (receiver side). After introducing key concepts on error control coding, in particular LDPC coding, and detection techniques, the book presents several relevant applications. More precisely, by using advanced performance evaluation techniques, such as extrinsic information transfer charts, the optimization of coded modulation schemes are considered for (i) memoryless channels, (ii) dispersive and partial response channels, and (iii) concatenated systems including differential encoding. This book is designed to be used by graduate students working in the field of communication theory, with particular emphasis on LDPC coded communication schemes, and industry experts working on related fields.

Autoren/Hrsg.

Franceschini, Michele

Ferrari, Gianluigi

Raheli, Riccardo

Inhaltsverzeichnis

1;Contents;7
2;Preface;10
3;Preliminary Concepts;12
3.1;1.1 Introduction;12
3.2;1.2 Modeling a Communication System;12
3.3;1.3 Modulation;15
3.4;1.4 Error Correcting Codes;16
3.5;1.5 Information Theory Basics;19
3.6;1.6 The Following Chapters;26
4;Trellis-based Detection Techniques;28
4.1;2.1 Introduction;28
4.2;2.2 Hard-Output and Soft-Output Detection;28
4.3;2.3 Optimal Detection Strategies for Channels with Memory;39
4.4;2.4 Detection of Encoded Data;41
4.5;2.5 Concluding Remarks;45
5;Low-Density Parity-Check Codes;46
5.1;3.1 Introduction;46
5.2;3.2 Description of LDPC Codes;46
5.3;3.3 Statistical Description of LDPC Codes;49
5.4;3.4 Decoding Algorithms for LDPC Codes;51
5.5;3.5 Practical LDPC Code Design from Statistical Description;62
5.6;3.6 Encoding Techniques for LDPC Codes;65
5.7;3.7 Concluding Remarks;68
6;Performance Analysis Techniques;69
6.1;4.1 Introduction;69
6.2;4.2 Monte Carlo System Simulation;70
6.3;4.3 Density Evolution;76
6.4;4.4 EXIT Charts;79
6.5;4.5 EXIT Charts for LDPC Codes;86
6.6;4.6 Concluding Remarks;89
7;LDPC Coded Modulations: Analysis and Design;90
7.1;5.1 Introduction;90
7.2;5.2 LDPC Coded Modulation Schemes: Basics;92
7.3;5.3 Communication System Model;94
7.4;5.4 EXIT Chart-Based Performance Analysis;97
7.5;5.5 Upper and Lower Bounds on the BER;100
7.6;5.6 Code Design for LDPC Coded Modulations;102
7.7;5.7 Code Design for Fast Decoding Convergence;108
7.8;5.8 Code Design for a Target BER;117
7.9;5.9 Channels Code Design for Dispersive and Partial Response;127
7.10;5.10 Concluding Remarks;134
8;Memoryless Channels and LDPC Codes;136
8.1;6.1 Introduction;136
8.2;6.2 Performance of LDPC Codes on Binary-Input Memoryless Channels;137
8.3;6.3 Multilevel Code Design;144
8.4;6.4 Concluding Remarks;151
9;LDPC Codes and Differential Modulations;153
9.1;7.1 Introduction;153
9.2;7.2 Serial Concatenation of LDPC Codes with PSK and DE-PSK;154
9.3;7.3 Optimized LDPC Codes for PSK;158
9.4;7.4 LDPC Codes for DE-QAM;163
9.5;7.5 LDPC Codes for DE-PSK with Noncoherent Detection;165
9.6;7.6 Detection by Multiple Trellises;166
9.7;7.7 LDPC Coded Schemes with Detection by Mul-tiple Trellises;176
9.8;7.8 Concluding Remarks;184
10;Final Remarks;185
11;Bibliography;187
12;List of Acronyms;198
13;Index;200