搜索资源列表
kmplot
- LDPC codes BER simulation under AWGN channel. MacKay-Neal based LDPC matrix. Message encoding uses sparse LU decomposition. There are 4 choices of decoder: hard-decision/bit-flip decoder, probability-domain SPA decoder, log-domain SPA decoder, and si
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
MIMO
- mimo系统的仿真，提供发射天分别使用1发1收，和1发多收的各种情况下的误码率比较。IEEE论文的远程序。-MIMO system simulation, respectively, provide the launch-day use of one fat one admission, and one fat collected under a variety of circumstances BER comparison. IEEE papers far procedures.
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.
LDPCdwt
- ldpc码在数字水印方面的研究，可加强对ldpc码的理解-the research about ldpc applied digital watermark,it can decrease ber and improve robutness
LDPC_BSN
- LDPC codes BER simulation under AWGN channel. MacKay-Neal based LDPC matrix. Message encoding uses sparse LU decomposition. There are 4 choices of decoder: hard-decision/bit-flip decoder, probability-domain SPA decoder, log-domain SPA decoder, and si
Gallager_girth4
- 从这个程序我们可以知道围长为4的H矩阵的误码率。是一个关于LDPC码的程序- We need to know that Girth 4 of H will lead to a poor BER performance. The program can test whether
MATLAB
- this an example of LDPC code in which after encoding i have added AWGN(Additive white Gaussian noise) and bsc(binary symmetric channel). then i hav performed decoding operation. one can easily devloped different BER vs Eb/N0 graph of different channe
regular-LDPC-code
- Low Density Parity Check (LDPC) 信道编码的C程序。二部图连接关系的输入在20000.10000.3.631.txt 文件中。文件中的参数包括check，ariable节点的度数，具体的连接关系。可根据具体需要，需改你所需的txt文件，从而实现任意参数的LDPC程序仿真。经验证，此程序的性能正确，符合理论文献中的结果。-Low Density Parity Check (LDPC) codes simulation C program. This program i
LDPC_system
- matlab 模拟ldpc系统，包括BER和SNR，BER和迭代次数的关系-matlab simulation ldpc system, including the BER and SNR, BER and the relationship of the number of iterations
LDPC
- LDPC的编码译码程序，及其校验矩阵的生成和误码率曲线，还是比较有价值的-LDPC encoding decoding procedures, and the generation of check matrix and the ber curve, or more valuable
CPLDPCPAWGN
- 采用C语言，测试LDPC码在AWGN信道下的编译码性能，及BER曲线等-Using C language, the test of LDPC codes under AWGN channel decoding performance, and the BER curve, etc
LDPC-test-for-girth-or-cycle-of-the-length-4
- the matlab program checks for cycles that are of the legnth 4.it is a useful program to check if the cycles in your LDPC code are to short thus causing BER errors
LDPC-Code-Rate-1_2
- Matlab software that generates LDPC parity check matrix of rate 1/2 with the possibility of selecting the input output block dimension and performs BER evaluation of BPSK+LDPC transmission over AWGN channel.
Efficient-BER-computation-of-LDPC-coded-SC_MRC-sy
- Abstract—Selection combining cascaded with maximum-ratio combining (SC/MRC), which is particularly useful when site diversity is available, combined with low-density parity-check (LDPC) codes is able to combat the effects of fading. The biterro
random-LDPC
- 随机构造LDPC码的源代码，内有BER性能仿真分析，已运行无错误。-Randomly constructed LDPC code of the source code, there BER performance simulation analysis has been run without errors.
yenqen
- By applying the beam forming technology of BER Genetic algorithms using MATLAB path planning, Can dynamically adjust the parameters of the operating environment.
LDPC码
- 信息通过LDPC编解码误码率与未编码信息误码率比较(Comparison of BER between uncoded information and LDPC code)
code
- 实现的是原模图LDPC码的散点图以及BER参数测量(The scatter plot of LDPC code and the measurement of BER parameters are realized.)
LDPC
- 无论是那种编码方式，在AWGN信道中的性能都明显由于在瑞利衰减信道中的性能。这一点也符合实际。毕竟AWGN信道是瑞利衰减信道的特殊情况。除此之外，在研究单一编码方式误码率时，样本帧数越大，则得到的误码率曲线就越平滑，较少出现较明显的凸起。(Either way, the performance in AWGN channel is obviously due to the performance in Rayleigh attenuation channel. This is also in l