首页--工业技术论文--无线电电子学、电信技术论文--通信论文--通信理论论文--信息论论文--信道编码理论论文

基于和-积算法的LDPC译码改进及性能分析

Abstract第4-5页
摘要第6-14页
Chapter 1 Introduction第14-25页
    1.1 Research Background第14-16页
    1.2 Research Profile第16-23页
        1.2.1 Performance Analysis of LDPC Codes第16-18页
        1.2.2 Encoding Algorithm of LDPC Codes第18-19页
        1.2.3 Decoding Algorithm of LDPC Codes第19-23页
    1.3 Constructions of LDPC codes第23页
    1.4 Thesis Organization and Contribution第23-25页
Chapter 2 Channel Coding第25-33页
    2.1 Digital Communication System Models第25-26页
    2.2 Channel Models第26-28页
        2.2.1 Binary Erasure Channel第26-27页
        2.2.2 Binary Symmetric Channel第27页
        2.2.3 Additive White Gaussian Noise Channel第27-28页
    2.3 Shannon’s Channel Coding Theorem第28-31页
    2.4 Channel Codes第31-32页
        2.4.1 Block Codes第31页
        2.4.2 Convolutional Codes第31页
        2.4.3 Turbo Codes第31-32页
        2.4.4 LDPC codes第32页
    2.5 Chapter Summary第32-33页
Chapter 3 Fundamentals of LDPC codes第33-64页
    3.1 Introduction第33页
    3.2 Binary Linear Block Codes第33-37页
        3.2.1 Definition第33-34页
        3.2.2 Generator Matrix第34页
        3.2.3 Parity-Check Matrix第34-36页
        3.2.4 Error detection and correction第36-37页
    3.3 The Concept of LDPC Codes第37-47页
        3.3.1 A bit of history第37页
        3.3.2 Definition of LDPC codes第37-38页
        3.3.3 Representation of LDPC codes第38-41页
        3.3.4 LDPC Code Design Approaches第41-47页
    3.4 Encoding LDPC Codes第47-52页
        3.4.1 Encoding LDPC codes using generator matrix第47-49页
        3.4.2 Encoding LDPC codes using parity check matrix第49-52页
    3.5 Evaluating the quality of LDPC codes第52-53页
    3.6 Decoding LDPC Codes第53-60页
        3.6.1 Overview第53-54页
        3.6.2 Sum Product Algorithm in Probability-Domain第54-57页
        3.6.3 Sum Product Algorithm in Log-Domain第57-60页
        3.6.4 The complexity of LDPC iterative decoding algorithm第60页
    3.7 Simulation results第60-62页
    3.8 Chapter Summary第62-64页
Chapter 4 Low complexity of LDPC decoding using Stopping Node algorithm第64-81页
    4.1 Log-Domain SPA第64-65页
    4.2 Reduced Complexity of LDPC Decoder第65-68页
        4.2.1 Min-Sum Algorithm第65-66页
        4.2.2 Min-Sum-Plus-Correction-Factor Algorithm第66-68页
    4.3 Stopping Node Algorithm in LDPC Decoding第68-72页
        4.3.1 Motivation第68-69页
        4.3.2 Stopping Node Algorithm第69-72页
    4.4 Evaluate the Performance of the Decoding LDPC Algorithm Using Stopping Node第72-80页
        4.4.1 Simulation Results第72-78页
        4.4.2 Complexity evaluation of calculations in LDPC decoding第78-80页
    4.5 Chapter Summary第80-81页
Chapter 5 Improvement of the quality of LDPC decoding by using the Free Bits第81-89页
    5.1 Introduction第81-82页
    5.2 Decoding LDPC Codes using Free Bits第82-83页
    5.3 The Complexity in Calculations第83页
    5.4 Performance Evaluation of the Decoding LDPC Algorithm using Free Bits第83-87页
        5.4.1 Comparing the Quality of Decoding第83-86页
        5.4.2 Compare complexity in calculation第86-87页
    5.5 Chapter summary第87-89页
Chapter 6 Simplifying the Decoding LDPC codes in Non-Coherent Modulation and Demodulation Multiple Frequency-Shift keying (NC-MFSK)第89-111页
    6.1 Introduction第89-90页
    6.2 Decoding LDPC Codes in NC-BFSK System第90-101页
        6.2.1 Demodulation and Compute Log Likelihood Ratio第90-92页
        6.2.2 The LDPC decoding第92-93页
        6.2.3 Simplifying the decoding LDPC in non-coherent BFSK system第93-101页
    6.3 Decoding LDPC in NC-MFSK system第101-110页
        6.3.1 Optimal LLR calculation in NC-MFSK system第101-104页
        6.3.2 Simplify the calculates LLR in NC-MFSK system第104-106页
        6.3.3 Combining new decoding method with simplifying calculates LLR in NC-MFSK system第106-110页
    6.4 Chapter Summary第110-111页
Conclusion第111-113页
结论第113-115页
References第115-125页
List of Publications第125-128页
Acknowledgement第128-129页
Curriculum Vitae第129页

论文共129页,点击 下载论文
上一篇:面向嵌入式多核系统的并行程序优化技术研究
下一篇:高阶非线性效应下的超短脉冲光孤子的解析研究