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- QC LDPC codes 准循环LDPC码
- In chinese national standard for Digital Multimedia Terrestrial Broadcasting（DMB-T），QC irregular LDPC code is used as forward error correction coding. 摘要 在我国的数字电视广播地面传输标准DMB-T中，使用了准循环非规则LDPC码作为前向纠错编码。
- Based on the theory of density evolution,the paper proposes an algorithm to optimize the uniform or ununiform quantized Min-Sum decoder for regular or irregular LDPC codes. 本文根据密度进化理论,对规则/非规则的低密度校验码提出了一种算法,该算法能优化最小和均匀/非均匀量化译码器的设计。
- In this paper a method using quadratic congruential sequences to design regular LDPC code is proposed. 本文提出了二次同余序列构造规则LDPC码的方法。
- Simulation results show that they have excellent performance, especially the IRA code performs better than the irregular LDPC code of DVB-S2. 仿真结果表明，用这种方法构造的规则码和非规则码都具有优良的性能，特别是非规则码的性能优于DVB-S2的非规则码。
- In condition of transmitting middle - short frames, the invention is superior to performance of traditional random structured LDPC code. 将其使用在数字通信系统中的中短帧传输条件下，显著优越于常规的随机构造的LDPC码的性能。
- According to the structure of Quasi-Cyclic LDPC code, we can make a trade-off between hardware complexity and decoding throughput by applying semi-parallel architecture. 摘要利用准循环LDPC码的结构特点，使用半并行结构的译码器可以实现复杂度和译码速率的有效折中。
- 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。
- Beth turbo codes and LDPC codes can achieve the Shannon limited performance. Turbo码和LDPC码都可以实现接近Shannon理论极限的性能。
- Another signal comparison circuit after 4511 to enter in the code decoder decoding the digital display driver SCR high temperature of Lu Shu. 另一路信号经比较电路后输入到4511编码译码器中译码驱动数码管显示温度过高晶闸管的路数。
- Combining MIMO-OFDM soft-decision detection with LDPC code soft log likelihood ratio decoding,a joint iterative detection and decoding algorithm with low complexity and high performance was presented. 结合MIMO-OFDM的软判决检测和LDPC码的软对数似然比译码,本文给出了系统的一种低复杂度高性能的联合迭代检测译码算法。
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- This paper also introduces the application of LDPC codes,especially its application in the STC- OFDM system. 文中还讨论了LDPC码的应用,主要是在STC-OFDM系统中的应用。
- A new hardware implementation of LDPC coding arithmetic in DVB-S2 system based on FPGA is introduced. 摘要提出了一种基于FPGA的DVB-S2系统中LDPC编码算法的硬件实现技术。
- A low complexity blind SNR estimator in decoder of high-order modulated LDPC code in mobile communication 移动通信中用于高阶调制LDPC码译码器的一种低复杂度盲信噪比估计器
- A new RS(Reed-Solomon)code decoding algorithm based on the Euclidean Divi-sion is presented. 利用多项式的欧几里得除法给出了RS（Reed－Solomon）码的一种新译码方法。
- After describing elements of LDPC codes, LDPC coded WCDMA downlinks were constructed, meanwhile, decoding process was improved. 在讨论了LDPC码的基本原理之后,构建了基于LDPC码的WCDMA下行链路,改进了LDPC码的译码过程。
- Irregular LDPC codes have Unequal Error Protection (UEP) properly, however, that is difficult to utilize due to their random encoding. 摘要非规则LDPC码具有不等错误保护特性，但随机编码过程使这一特性很难得以充分利用。
- A decoding method for LDPC codes concatenated by multiple Cyclic Redundancy Checks (CRCs) has improved the convergence of the decoding effectively. 级联多个循环冗余校验(CRC)的LDPC译码算法有效地改善了译码的收敛特性。
- This paper mainly analyses the basic principle and the implement simulation of using EWB for (7,4) linear block code decoding. 摘要主要分析(7,4)线性分组码译码的原理及其在EWB中模拟实现。
