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Search - parity check matrix for LDPC matlab - List
[
Other resource
]
ldpcber
DL : 0
This LDPC software is intended as an introduction to LDPC codes computer based simulation. The pseudo-random irregular low density parity check matrix is based on Radford M. Neal’s programs collection, which can be found in [1]. While Neal’s collection is well documented, in my opinion, C source codes are still overwhelming, especially if you are not knowledgeable in C language. My software is written for MATLAB, which is more readable than C. You may also want to refer to another MATLAB based LDPC source codes in [2], which has different flavor of code-writing style (in fact Arun has error in his log-likelihood decoder).
Update
: 2008-10-13
Size
: 7.49kb
Publisher
:
武博
[
Other resource
]
LDPC_BSN
DL : 1
This LDPC software is intended as an introduction to LDPC codes computer based simulation. The pseudo-random irregular low density parity check matrix is based on Radford M. Neal’s programs collection, which can be found in [1]. While Neal’s collection is well documented, in my opinion, C source codes are still overwhelming, especially if you are not knowledgeable in C language. My software is written for MATLAB, which is more readable than C. You may also want to refer to another MATLAB based LDPC source codes in [2], which has different flavor of code-writing style (in fact Arun has error in his log-likelihood decoder).
Update
: 2008-10-13
Size
: 116.41kb
Publisher
:
张强
[
Software Engineering
]
ldpcgenerate_ber
DL : 0
关于低密度奇偶校验码的生成,采用matlab编写,主要是校验矩阵的产生 -on low-density parity-check code generation, prepared using Matlab, mainly for the selection of calibration matrix
Update
: 2025-02-19
Size
: 33kb
Publisher
:
若冰
[
Communication-Mobile
]
genH
DL : 0
生成ldpc码稀疏矩阵的matlab仿真程序,带有消除小环功能-Generate sparse matrix LDPC code of matlab simulation program, with the elimination of the small ring function
Update
: 2025-02-19
Size
: 2kb
Publisher
:
xiaoxuena
[
SCM
]
ldpcber
DL : 0
This LDPC software is intended as an introduction to LDPC codes computer based simulation. The pseudo-random irregular low density parity check matrix is based on Radford M. Neal’s programs collection, which can be found in [1]. While Neal’s collection is well documented, in my opinion, C source codes are still overwhelming, especially if you are not knowledgeable in C language. My software is written for MATLAB, which is more readable than C. You may also want to refer to another MATLAB based LDPC source codes in [2], which has different flavor of code-writing style (in fact Arun has error in his log-likelihood decoder). -This LDPC software is intended as an introduction to LDPC codes computer based simulation. The pseudo-random irregular low density parity check matrix is based on Radford M. Neal s programs collection, which can be found in [1]. While Neal s collection is well documented, in my opinion, C source codes are still overwhelming, especially if you are not knowledgeable in C language. My software is written for MATLAB, which is more readable than C. You may also want to refer to another MATLAB based LDPC source codes in [2], which has different flavor of code-writing style (in fact Arun has error in his log-likelihood decoder).
Update
: 2025-02-19
Size
: 7kb
Publisher
:
武博
[
matlab
]
LDPC_BSN
DL : 0
This LDPC software is intended as an introduction to LDPC codes computer based simulation. The pseudo-random irregular low density parity check matrix is based on Radford M. Neal’s programs collection, which can be found in [1]. While Neal’s collection is well documented, in my opinion, C source codes are still overwhelming, especially if you are not knowledgeable in C language. My software is written for MATLAB, which is more readable than C. You may also want to refer to another MATLAB based LDPC source codes in [2], which has different flavor of code-writing style (in fact Arun has error in his log-likelihood decoder). -This LDPC software is intended as an introduction to LDPC codes computer based simulation. The pseudo-random irregular low density parity check matrix is based on Radford M. Neal s programs collection, which can be found in [1]. While Neal s collection is well documented, in my opinion, C source codes are still overwhelming, especially if you are not knowledgeable in C language. My software is written for MATLAB, which is more readable than C. You may also want to refer to another MATLAB based LDPC source codes in [2], which has different flavor of code-writing style (in fact Arun has error in his log-likelihood decoder).
Update
: 2025-02-19
Size
: 116kb
Publisher
:
张强
[
Windows Develop
]
Matlab
DL : 1
LDPC校验矩阵生成、高斯消去法编码、BP译码程序,可以作为自己编写LDPC编译码程序的参考。因为matlab代码效率不高,所以这个程序仿真起来比较慢.-LDPC check matrix generation, Gaussian elimination coding, BP decoding procedure can be used as its own procedures for the preparation of LDPC codec reference. Because matlab code efficiency is not high, so this process is relatively slow simulation together.
Update
: 2025-02-19
Size
: 8kb
Publisher
:
李枫
[
3G develop
]
const_ldpccc_mat
DL : 0
Low density parity check matrix-Description A program written for generating LDPC matrix in the as pattern as discussed in the research paper , " Time varying periodic convolutional codes with low density parity check matrix" by Alberto jiménez Felströ m and Kamil Sh. zigangirov IEEE Transaction on information theory vol 45 no 6 sept 1999. pages 2181-2191
Update
: 2025-02-19
Size
: 2kb
Publisher
:
lydia
[
Algorithm
]
shift_choosing
DL : 0
这个程序 是用来为QC-LDPC 的parity check matrix 选择 shift values的. 其中 0 matrix 的shift value为-1.-this program is used to assign the shift values for parity-check matrix of the QC-LDPC codes. The shift value of the zero matrix is-1.
Update
: 2025-02-19
Size
: 2kb
Publisher
:
Jiangxueqin
[
matlab
]
cycle_test_algrithm
DL : 1
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 matrix
Update
: 2025-02-19
Size
: 3kb
Publisher
:
胡涛
[
Software Engineering
]
codefroge-ldpc-matlab
DL : 0
this an implementation of ldpc encoder and decoder in matlab. generator matrix, parity check matrix and the chennel are implemented seperately. the bit error rate performance is estimated for the ldpc code -this is an implementation of ldpc encoder and decoder in matlab. generator matrix, parity check matrix and the chennel are implemented seperately. the bit error rate performance is estimated for the ldpc code
Update
: 2025-02-19
Size
: 1.19mb
Publisher
:
raka
[
Communication
]
LDPC
DL : 0
The zip file contains 1. A 128x256 Regular (3,6) H matrix (if you need to simulate other codes, need to write your own code for generating those parity check matrices). The file 128x256regular_v6.mat is for those using Matlab 6.5. 2. Files for LDPC code simulation over the AWGN channel. 3. Matlab-based and C-based (C-mex file)implementation of the LDPC decoder. The main simulation script contains the commands for the use of both decoders (there are 2 C-based decoders and one Matlab based). The commands for the decoder that are going to be used need to "uncommented", and those for the other decoder need to be "commented". 3a. To compile the C-mex file, need to install a C compiler (I have used Miscosoft Visual C++ 6.0). Then have to go to the Matlab command window and do ">>mex -setup" (then go through the steps of selecting the desired compiler). -The zip file contains 1. A 128x256 Regular (3,6) H matrix (if you need to simulate other codes, need to write your own code for generating those parity check matrices). The file 128x256regular_v6.mat is for those using Matlab 6.5. 2. Files for LDPC code simulation over the AWGN channel. 3. Matlab-based and C-based (C-mex file)implementation of the LDPC decoder. The main simulation script contains the commands for the use of both decoders (there are 2 C-based decoders and one Matlab based). The commands for the decoder that are going to be used need to "uncommented", and those for the other decoder need to be "commented". 3a. To compile the C-mex file, need to install a C compiler (I have used Miscosoft Visual C++ 6.0). Then have to go to the Matlab command window and do ">>mex-setup" (then go through the steps of selecting the desired compiler).
Update
: 2025-02-19
Size
: 75kb
Publisher
:
肖力
[
Other
]
generate_parity_check_LDPC
DL : 0
This matlab code can be used to generate a parity check matrix for the LDPC code and further encoded and decoded in a complete communication system.
Update
: 2025-02-19
Size
: 1kb
Publisher
:
sapna
[
Program doc
]
LDPC
DL : 0
针对LDPC码在理论和实现两方面分别进行了较深的研究。深入了解了LDPC码编码方法、译码方法以及性能等知识,重点研究了用MATLAB如何构造奇偶校验矩阵、如何编码和如何解码的算法,而且实现了在相同码率、信噪比下LDPC码性能与卷积码性能的对比。-LDPC codes for both theory and implementation were carried out deeper study. In-depth understanding of the LDPC coding method, decoding method and performance of such knowledge, focuses on how to use MATLAB parity check matrix structure, how to encode and decode algorithms how, but also achieved at the same rate, SNR LDPC codes Comparative performance and convolution code performance.
Update
: 2025-02-19
Size
: 303kb
Publisher
:
天空若水
[
Other
]
cycleCount
DL : 0
File is used for counting short cycle of ldpc codes. You must give parity check matrix of ldpc code in text file and then use cycle count file of matlab for counting of short cycle of given length.
Update
: 2025-02-19
Size
: 1kb
Publisher
:
alireza
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