Description: 电子通信系统的建模与仿真
第7章 通信系统差错控制仿真
7.1 缩短卷积码
7.2 有缩短卷积码加交织的差错控制系统研究
7.3 自适应均衡系统（LMS算法）
7.4 迭代译码的级联卷积码
-Electronic communications system modeling and simulation of Chapter 7 error control communication systems simulation 7.1 shortened 7.2 convolutional code convolutional code increases have shortened intertwined system of error control 7.3 adaptive equalization system (LMS algorithm) Iterative Decoding of level 7.4 convolutional codes in conjunction Platform: |
Size: 3629056 |
Author:军军 |
Hits:
Description: 提出了一个采用(2,1,7)卷积码+QPSK的中频调制解调方案,并在Xilinx公司的100万
门FPGA芯片上实现了该系统。该系统在信噪比SNR为6dB左右时可实现速率超过1Mbit/s、误码率
小于10-5的数据传输。
-Proposed a use of (2,1,7) convolutional code+ QPSK modulation and demodulation of the IF program, and in Xilinx' s FPGA chip one million on implementation of the system. The system SNR to 6dB signal to noise ratio at about the rate may achieve more than 1Mbit/s, less than 10-5 bit error rate of data transmission. Platform: |
Size: 62464 |
Author:张同星 |
Hits:
Description: Script for computing BER with Binary Convolutional Code
and Viterbi decoding.
Convolutional code of Rate-1/2, Generator polynomial - [7,5] octal
Hard decision and soft decison decoding is used. -Script for computing BER with Binary Convolutional Code
and Viterbi decoding.
Convolutional code of Rate-1/2, Generator polynomial - [7,5] octal
Hard decision and soft decison decoding is used. Platform: |
Size: 3072 |
Author:Asfia |
Hits:
Description: 引入（2，1，7）卷积码对信道输出信号的影响，并作出信噪比等图像。-The introduction of (2,1,7) convolutional code on the output signal of the channel and make the image SNR. Platform: |
Size: 8192 |
Author:amy |
Hits:
Description: Script for computing BER with Binary Convolutional Code
and Viterbi decoding with finite survivor state memory
Convolutional code of Rate-1/2, Generator polynomial - [7,5] octal
Hard decision and soft decison decoding is used.
Platform: |
Size: 6144 |
Author:thefar2012star |
Hits:
Description: Script for computing BER with Binary Convolutional Code
and Viterbi decoding.
Convolutional code of Rate-1/2, Generator polynomial - [7,5] octal
Hard decision decoding is used.
Platform: |
Size: 5120 |
Author:thefar2012star |
Hits:
Description: （1） 在c或matlab环境下实现卷积码编码模块，并嵌入实验一的通信链路中，要求编码模块有一定通用性可以设定约束长度、卷积码抽头系数；
（2） 设定约束度分别为7、9的1/2卷积码，仿真分析这些码的硬判决译码性能、绘制误码性能曲线，对比不同约束度下卷积码的性能，分析译码复杂性；
（3） 设定约束度为7的1/2卷积码，进行无量化软判决译码，仿真分析比较软硬判决译码性能；
（4） 设定约束度为7的1/2卷积码，量化比特分别为3、4、5、6，仿真分析比较量化对误码性能的影响；
（5） 对约束度为7的1/2卷积码，分别设定回溯长度为14、21、28、35、42进行仿真比较其性能。
-(1) achieved in c or matlab environment convolution code module, and a communication link embedded experiments, the encoding module requires a certain versatility can set the constraint length convolutional code tap coefficients (2) setting constraint degree respectively 7,9 1/2 convolutional codes, hard decision decoding performance simulation analysis of these codes, error performance curve drawing, comparing the performance of different constraints of convolution codes, decoding complexity analysis ( 3) the degree of constraint is set to 7 1/2 convolutional code-free quantized soft decision decoding, simulation analysis and comparison of hard and soft decision decoding performance (4) the degree of constraint is set to 7 1/2 convolutional code quantization bits respectively 3,4,5,6, simulation analysis and comparison to quantify the impact on error performance (5) the degree of constraint of 7 1/2 convolutional code are set back a length of 14, 21, 28,35,42 compare its performan Platform: |
Size: 2048 |
Author:刘介园 |
Hits:
Search - convolutional code 2 1 7 matlab