搜索资源列表
LDPC_EG
- 文件给出了EG-LDPC码的三种H矩阵，可直接调用，分别为（1023,781）、（255,175）、（15,7）EG-LDPC码-File EG-LDPC codes given three H matrix, can be directly called, respectively, (1023,781), (255,175), (15,7) EG-LDPC code
ldpc
- ldpc码在AWGN信道下的性能仿真。包括geth.m,getG.m,H2G.m,decode.m,BER.m按传统的编码方案编码，生成H矩阵后转化为G矩阵，编码后送入高斯信道。仿真得到BER性能-ldpc codes in the AWGN channel performance simulation. Including geth.m, getG.m, H2G.m, decode.m, BER.m coded according to the traditional encoding sch
LDPC
- ldpc编码，随机生成H矩阵，LLR-BP算法译码，有我详细的注解，非常详尽-ldpc coding, randomly generated H matrix, LLR-BP decoding algorithm, with my detailed notes, very detailed
LDPCBSN
- LDPC码既低密度奇偶校验码（Low Density Parity Check Code，LDPC），它由Robert G.Gallager博士于1963年提出的一类具有稀疏校验矩阵的线性分组码，不仅有逼近Shannon限的良好性能，而且译码复杂度较低, 结构灵活，是近年信道编码领域的研究热点，目前已广泛应用于深空通信、光纤通信、卫星数字视频和音频广播等领域。LDPC码已成为第四代通信系统(4G) -LDPC codes BER simulation under AWGN channel.
makeLdpc
- LDPC编码算法, Create R = 1/2 low density parity check matrix M : Number of row N : Number of column method : Method for distributing non-zero element {0} Evencol : For each column, place 1s uniformly at random {1} Evenboth: For each
newmat10.tar
- LDPC matrix generation
cycle test algrithm
- lDPC校验矩阵的环检测。包括4环检测算法，6环检测算法及8环检测算法。还包括一个准循环LDPC奇偶校验矩阵的生成算法。-this algrithm can search cycles in LDPC parity check matrix。It contain cycle-4 cycle-6 cycle-8 test algrithm.It also contains a algrithm for generate the LDPC quasi-cyclic parity check matr
LDPC_gallager
- 利用gallager的方案进行生成H矩阵，在高斯信道下得到误码率得性能仿真-The program generated using gallager H matrix, in the Gaussian channel bit error rate was obtained Simulation
const_ldpccc_mat
- This program can be used for LDPC matrix generator.
PEG
- 用PEG构造法生成LDPC监督矩阵的程序-With PEG construction method to generate LDPC matrix program oversight
LPPC-H--bp
- 用来生成LDPC的H矩阵，并采用BP译码，很不错的程序-Used to generate the LDPC H-matrix, and the use of BP decoding, very good program
ldpc
- 在AWGN信道下BPSK调制LDPC码的误码率，以及调用函数“对数域和LDPC译码算法”，把发送的信号的矩阵为零矩阵，用MatlaB运行 -BPSK modulation in AWGN channel bit error rate of the LDPC code, and call the function "of the number of domains and LDPC decoding algorithm, the matrix of the transmitted signal
LDPC-checking-matrix-generation
- 两种不同的方法构造低密度校验编码的校验矩阵，两种方法的复杂度有所不同，适合编码研究的学子们-Two different coding method for constructing low-density parity check matrix, the complexity of the two methods differ for students who study coding
kuozhang
- G-LDPC扩展矩阵,如何从LDPC的基矩阵求出G-LDPC的扩展矩阵，是个很好的方法-G-LDPC matrix
ldpc
- LDPC编码描述，译码描述，稀疏H矩阵描述，基于概率运算的译码方式-LDPC coded descr iptions, decoding descr iption, sparse matrix H described decoding methods based on probability calculation
ldpc_matrix
- LDPC matrix generator
LDPC
- Parity check bits is computed using sparse LU decomposition, utilizing sparse matrix properties of H. LDPC code decoding is done using iterative belief propagation or sum-product algorithm (SPA). Four versions of SPA decoder are presented.
H-matrixfor--LDPC
- 矩阵转换成近似下三角形式程序，应用于matlab仿真验证LDPC的理论，有问题可以联系1141817239-The matrix is converted into an approximate lower triangular form program, which is applied to Matlab simulation to verify the theory of LDPC
decodeBitFlip
- function vHat decodeBitFlipping(rx, H, iteration) Hard-decision/bit flipping sum product algorithm LDPC decoder rx : Received signal vector (column vector) H : LDPC matrix iteration : Number of iteration vHat : Decoded vector (
decodeLogDomain
- function vHat decodeLogDomain(rx, H, N0, iteration) Log-domain sum product algorithm LDPC decoder rx : Received signal vector (column vector) H : LDPC matrix N0 : Noise variance iteration : Number of iteration vHat : Decoded