It is more flexible to construct QC-LDPC than pure geometric or algebraic methods.
这是更加灵活，构造的QC - LDPC比纯粹的几何或代数方法。
QC-LDPC codes constructed by circulant permutation matrices will lead to inevitable cycles, named balanced-cycles.
在用循环置换矩阵构造准循环LDPC码时会出现一类无法消除的环，称为平衡环。
Three encoder circuit are designed respectively with feed shift-registers and logic gates: SRAA-based serial QC-LDPC encoder;
采用反馈移位寄存器与逻辑门设计了三个典型的编码器电路：基于SRAA电路的串行准循环LDPC码编码器；
Quantization decoding of QC-LDPC codes is studied. We simulated the decoding performance which is affected by quantitative precision and the scope of quantization.
研究了QC-LDPC码的量化译码，针对高速率的光纤通信系统，仿真验证了量化范围和量化精度的对译码性能的影响。
Based on the suitable channel model, an implementation of quasi-cyclic low density parity check codes (QC-LDPC) for acoustic communication system in shallow water is demonstrated.
讨论了准循环低密度校验码(QC - LDPC)在浅海水声信道中的实现方案。
This paper analyzes the structure of balanced-cycles in QC-LDPC codes. And proposes an algorithm to search for the incidence matrices of the simple balanced-cycles of arbitrary length.
分析了准循环ldpc码的平衡环的结构，并给出了搜索任意长度的最简平衡环的关联矩阵的方法。
Advanced researches on decoding algorithm and decoder structure of QC LDPC code are the focus of this thesis.
本论文主要对准循环ldpc码的译码算法和译码器结构进行了较深入的研究。
Of encoding algorithm, a conventional algorithm and an efficient algorithm suitable for QC LDPC code are discussed.
在编码算法里讨论了传统的编码算法以及准循环ldpc码的快速编码算法。
In Chinese national standard for Digital Terrestrial Multimedia Broadcasting (DTMB), irregular Quasi Cyclic LDPC (QC - LDPC) code is used as core part of forward error correction coding.
在中国数字电视广播地面传输标准(DTMB)中，使用了非规则准循环ld P C码(QC - LDPC)作为前向纠错编码的核心部分。
In Chinese national standard for Digital Terrestrial Multimedia Broadcasting (DTMB), irregular Quasi Cyclic LDPC (QC - LDPC) code is used as core part of forward error correction coding.
在中国数字电视广播地面传输标准(DTMB)中，使用了非规则准循环ld P C码(QC - LDPC)作为前向纠错编码的核心部分。
应用推荐