搜索资源列表
viterbi416
- 实现了(4,1,6)型卷积码的维特比译码算法,采用了极大似然算法。介绍了软判决维特比译码算法过程的三个步骤:初始化,度量更新和回溯译码。
viterbi
- 实现了卷积码的viterbi译码,软判决和硬判决均可实现,是从英文教学书上抄下来的。-Achieved viterbi decoding of convolutional codes, soft decision and hard decision can be realized, from the English teaching books, copied down.
gsm_efs
- 用matlab实现的GSM TCH/EFS系统在高斯信道、瑞利信道下的性能仿真,其中用到了循环编码、卷积码、交织码等信道编码技术-Using matlab to achieve GSM TCH/EFS system in the Gaussian channel, Rayleigh channel the performance of simulation, which uses a loop encoding, convolutional codes, interleaving codes c
QPSK
- 描述了采用卷积码的QPSK系统的代码编写,通过运行代码可以看到系统性能-bpsk
yima
- 卷积码的编码及维特比译码的过程,描述了系统经过卷积码编码后的性能-sss
Untitled
- 卷积码编码与译码,维特比译码软判决,matlab汇编语言-Convolutional coding and decoding, soft decision Viterbi decoding, matlab assembly language
sim1
- Matlab高斯信道条件下采用QPSK和8PSK时点到点通信系统的理论和统计所得的误码率和误比特率曲线。 删余卷积码的Pb性能仿真 加入信道编码模块,绘制误比特率曲线,其中信道为加性高斯白噪声,调试为QPSK; 进行软判决和应判决,和用3/4、7/8删余码进行编码等。-Matlab gaussian channel conditions using QPSK and eight PSK point to point communication system theory and st
awgn_matlab
- 仿真BPSK调制在AWGN信道下分别使用卷积码和不使用卷积码的性能,其中,卷积码的约束长度为7,生成多项式为[171,133],码率为1/2,译码分别使用硬判决译码和软判决译码。-Simulation BPSK modulation and convolutional code are not used convolutional codes in AWGN channels, where the constraint length of the convolutional code is 7,
Convolutional-code
- 卷积码的编码过程,维特比译码的硬判决和软判决,等效基带模型的仿真,包括QAM调制和PSK调制-Convolutional code encoding process, the Viterbi decoding hard decision and soft-decision, equivalent baseband model simulation, including QAM modulation and PSK modulation
conv
- 源码为16QAM调制下的卷积码软判决译码,可参考高阶调制-Source code for convolution code soft decision decoding 16QAM modulation in the section order modulation
1/2卷积编码
- 1/2码率的卷积编码过程,以及硬判决与软判决译码比较,输出误比特率。