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gallager1_data_1008_1_2
- LDPC研究者MacKay提供的校验矩阵H和对应的G，其中H的行重12，列重6，行数504，列数1008，任意两行不含围长为4的圈-LDPC researchers MacKay, the calibration matrix corresponding to the H and G, in which the re-H 12, series 6, a few 504, cited 1008, the two firms were non-arbitrary girth to the ring
LDPCGirth4Test
- 对于Ldpc码，测试其校验矩阵H有无4环的存在，避免因为存在4环影响性能-For Ldpc code, test whether the check matrix H of the existence of loop 4, loop 4 to avoid because of the impact of performance
LDPC-v0.2
- LDpC decoder over GF(q) it contains only matrices for q=4 and 8 in alist from
checkcycle
- 检查LDPC构造的环数,计算环数分为为4、8、10的个数-Check LDPC constructed ring that counts the number of rings is divided into the number of 4, 8, 10
hill-climbing-for-4-6-8
- 实现QC-LDPC码字的cycle的search功能，算法为hill climbing算法，能有效去除QC-LDPC码字里长为4,6,8的环，使得码字有较好纠错的性能-Realization of QC-LDPC codeword cycle of search functions, algorithms for the hill climbing algorithm, can effectively remove the QC-LDPC codeword length of 4,6,8 in
testgirth4and6
- 在光通信系统中的低密度奇偶校验码的性能仿真中，利用该软件可以检测校验矩阵中是否含有4环和6环，并且可以检测出4环和6环出现次数最多的点。-Performance Simulation LDPC in an optical communication system, the use of the software can detect whether a check matrix containing 4 and 6 ring ring, and can detect the highest nu
BP-algorithm
- 基于和积算法的LDPC码译码算法，采用的是7/4线性分组码，但是这里程序是灵活的，可以替换为任意形式的LDPC码。还有一个书面的报告，详细的解释了译码过程和和积算法原理，希望对大家有帮助-Based on the algorithm and integrated algorithm of LDPC codes decoding, by using linear block code is 7/4, but this program is flexible, can be replaced by
Gthernet
- LDPC中的效验矩阵里面有无4环对译码性能的影响,用MTLAB写的()