The encoding and decoding algorithm of LDPC Codes.
LDPC码的编码和译码算法。
Those contents are useful for the implementation of LDPC.
这些内容对于LDPC编译码的实现有一定的指导意义。
Finally, the optimization of the LDPC codes in the DSTC systems is discussed.
最后，论文探讨了LDPC码在分布式合作通信系统中的优化问题。
This paper proposes a joint source-channel decoding based on the VLC and LDPC codes.
提出了一种基于VLC和LDPC的联合信源信道译码算法。
Watermarks are stochastically permuted and coded by LDPC to improve the robustness against attacks.
水印嵌入之前进行随机置换与LDPC编码增强了水印抗攻击能力。
Then it mainly discusses the hardware design of the key unit in LDPC decoder-check functional unit.
紧接着讨论了LDPC译码器中的核心运算单元一校验功能单元的硬件设计。
For theis system, a simplified LDPC coded modulation decoding initialization algorithm is proposed.
针对此系统，提出了简化的LDPC码编码调制译码初始化算法。
A new hardware implementation of LDPC coding arithmetic in DVB-S2 system based on FPGA is introduced.
提出了一种基于FPGA的DVB -S2系统中ldpc编码算法的硬件实现技术。
An encoder architecture of low density parity check (LDPC) code defined in DVB-S2 standard is proposed.
针对DVB - S2标准中的低密度奇偶校验(LDPC)码，提出了一种LDPC编码器设计结构。
This paper mainly discusses the design of a family of irregular LDPC codes with low encoding complexity.
文章主要讨论一类低编码复杂度的非规则ld P C码设计问题。
This paper mainly conducts research on the application of LDPC-OFDM system in wireless data transmission.
本文研究了LDPC - OFDM系统用于无线数据传输中的具体实现问题。
Low encoding complexity can also be achieved due to the inherent quasi-cyclic structure of the LDPC codes.
由于产生的LDPC码本身固有的准循环结构，还能得到较低的编码复杂度。
The performance of irregular systematic LDPC-coded non-ideal relay cooperative communication system is studied.
研究了基于非正规LDPC系统码的非理想中继协作通信系统。
Based on the structure of quasi-cyclic LDPC codes, a synchro partially parallel decoder is proposed in this paper.
该文根据准循环ldpc码的结构特点，提出了一种同步部分并行结构的译码器。
This paper firstly overviews the efficient encoding of LDPC codes, based on which we proposes a linear encoding for UEP.
首先回顾了LDPC码的有效编码，然后在此基础上提出了一种应用于不等错误保护的线性复杂度编码方法。
This paper constructs irregular LDPC codes of unequal error protection with a parity check matrix in a lower triangular.
采用了近似下三角校验阵的形式，构造了一类具有不等错误保护的非规则ldpc码。
For the detected error words by the LDPC decoder, the characteristics of code bits reliability information is investigated.
分析了低密度校验(LDPC)码译码所产生的错误码字中码位的译码输出量可靠度信息的统计特性。
LDPC encoding, the source LDPC, the source suitable for transmission in the channel to increase the ability of error correction.
LDPC编码，对信源进行LDPC，使信源适合在信道中传输，增加纠错的能力。
This paper introduces a class of network coding based on LDPC code for a cooperative network and extends it to multi-hop network.
采用LDPC码的结构研究了协作分集网络中的网络编码构造，并把它拓展到多跳网络中。
Density evolution (DE) is one of the most powerful tools for analyzing the performance of low-density parity - check (LDPC) codes.
密度进化理论是分析低密度校验码的迭代译码性能的有效工具。
The channel decoding performance is improved with channel encoding error-correcting by using Low Density Parity-check codes (LDPC) codes.
结合低密度奇偶校验码进行信道编码纠错，提高了信道译码性能。
An LDPC code structure using cyclic shift matrices and an efficient LDPC code construction algorithm using the characteristic matrices is proposed.
本文研究了一种基于循环移位矩阵结构的LDPC码，提出了一种高效的基于特征矩阵的LDPC码构造算法。
To improve the decoding performance of Low Density Parity Check (LDPC) code, an efficient decoding algorithm based on min-sum algorithm is proposed.
针对低密度奇偶校验(LDPC)译码算法性能低的问题，提出一种基于最小和的高效译码算法。
Finally a conclusion is made that projective geometry LDPC codes may be adopted as one of the key technologies in the next wireless communication systems.
最后得出结论，投影几何ld P C码将有可能作为下一代无线通信系统的一项关键技术被广泛采用。
The method used a parity-check matrix of a short LDPC code as its mother matrix upon which a long code was constructed with circulant permutation matrices.
该方法利用一个短的LDPC码的校验矩阵作为其母矩阵，在此基础上采用循环置换矩阵构造一个长的LDPC码。
With the development of LDPC algorithm which has a hardware-friendly trend, the VLSI realization of LDPC decoder is becoming ever the focus of researchers.
随着LDPC译码算法领域的研究日趋成熟和越来越易于硬件实现的发展趋势，LDPC译码器的VLSI实现才逐渐成为研究者关注的焦点。
This paper mainly expound the encoding and decoding principle of Q - ary LDPC codes, and introduce a Fourier transform decoding method with low complexity.
本文主要阐述了多进制ldpc码的编译码原理，并介绍了一种可简化译码的傅立叶变换译码算法。
This paper mainly expound the encoding and decoding principle of Q - ary LDPC codes, and introduce a Fourier transform decoding method with low complexity.
本文主要阐述了多进制ldpc码的编译码原理，并介绍了一种可简化译码的傅立叶变换译码算法。
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