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- 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。
- 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。
- The proposed scheme considers Unequal Error Protection (UEP) of irregular LDPC codes as well as degree distribution while choosing some bits for retransmission. 该方案在选择重传信息的过程中，不仅考虑了节点度分布的影响，而且考虑了非规则LDPC码字自身的不均等错误保护特性。
- 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 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。
- optimization of irregular LDPC codes 码结构优化
- In this thesis, a series of coded modulation schemes based on irregular LDPC codes are employed, after exploration of international standard proposed by Digital Radio Mondiale (DRM). 本文在深入研究DRM(Digital Radio Mondiale)标准中的编码调制方案的基础上,提出了基于非正则LDPC码的一系列编码调制技术。
- Design of irregular LDPC codes with low error floors 低差错平底特性的非规则LDPC码的设计
- Research on unequal error protection of irregular LDPC codes 非规则LDPC码的不等错误保护性能研究
- PERFORMANCE OF SIMPLE-ENCODING IRREGULAR LDPC CODES BASED ON SPARSE GENERATOR MATRIX 稀疏生成矩阵的低编码复杂度非正规LDPC码性能
- Irregular LDPC codes 非规则LDPC码
- Joint Optimization for Coded Differential Space-Time Modulation Based on Irregular LDPC Code 基于LDPC码的差分空时编码调制的联合优化
- irregular LDPC code 非规则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。
- 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 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 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。
- Through modifying the object function of the new algorithm, a proper tradeoff can be realized between LTF and ALTF for more satisfying performance parameters of LDPC codes. 该算法不仅可以进一步提高优化性能,还可以通过修改目标函数在下三角和准下三角之间合理均衡以便确定LDPC编码优化的最佳性能参数。
- 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。
- 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。
