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(2,1,3)卷积码搭建了简单的系统来进行纠错展示,可以实现从编码,加入错误,译码,输入输出码字对比等基本功能,另外加入了交互模块,用户可以自己设定错误比特的数目和位置,使纠错功能显而易见.-(2,1,3) Convolutional Codes built a simple system for correcting display can be realized from coding, joined errors, decoding, the input and output code c
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实现卷积码编码功能,可以自己输入生成多项式 ,Convolutional codes achieve coding function, can generate its own input polynomial
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A Study of the Concatenated Reed
Solomon – Convolutional Coding
Performance used in WiMAX
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卷积编码和维特比软判决译码,可以应用到OFDM系统中-Convolutional coding and Viterbi soft decision decoding can be applied to OFDM systems
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卷积码的实现,c比matlab快很多。scr ipt for computing the BER for BPSK modulation in AWGN with
Hard and Soft decision Viterbi decoding with traceback-discuss a simple binary convolutional
coding scheme at the transmitter and the associated Viterbi (maximum li
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卷积码编码213编码译码,很有用的编码解码程序-Convolutional coding 213 codec, encoding and decoding procedures useful
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在matlab下输入guide命令后打开main_main.gig 实现卷积编码,16QAM传输,维特比译码-in Matlab guide imported under orders to open main_main.gig achieve Convolutional coding, 16QAM transmission, Viterbi Decoder
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VC2010及IT++4.2下实现MIMO的仿真-This example demonstrates how to use the Modulator_ND (MIMO) class for soft-output demodulation. The program simulates a simple convolutionally coded spatial-multiplexing (V-BLAST style) MIMO system with maximum-likelihood, a
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MATLAB软件对接入信道部分进行设计,并逐步地对各个模块进行分析、仿真与验证。目的是通过毕业设计工作熟悉现代无线通信系统的基本构成与基本工作原理,重点掌握卷积编码、块交织和码扩展等相关编码技术,并能将这些技术应用实际系统设计-MATLAB software access channel part of the design, analysis, simulation and verification of each module. The aim is to graduate design w
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RS码 卷积码 译码 维特比译码 卷积编码 和译码-RS viterbi decoding Convolution code decoding victor than decoding convolutional coding and decoding
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卷积编码,Viterbi译码:一个普适的有限状态机算法(LSM)。只要有一个LSM,能够受不同输入的触发,在各个状态间跳转,并产生输出,就满足可基本条件,可根据状态机利用Viterbi 来从污染的输出中还原输入
-Convolutional coding, Viterbi decoding: a universal finite state machine algorithm (LSM). As long as there is a LSM, different inputs can be
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卷积编码,编码速率1/2 QPSK调制 维特比译码-Convolutional coding, coding rate QPSK modulation victor than 1/2 decoding
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Viterbi decoder for convolutional coding (133 171)
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简单MatlabOFDM程序,实现OFDM编解码,交织编码,卷积编码,LS信道估计,块状导频(Simple MatlabOFDM program, to achieve OFDM codec, interleaved coding, convolutional coding, LS channel estimation, block pilot)
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BPSK调制,卷积编码,硬判决,维特比译码,误比特率(BPSK modulation, convolutional coding, hard decision, Viterbi decoding, bit error rate)
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对使用MSK调制、运用卷积编码的信道编码方式的通信系统进行了误码率曲线的仿真,并通过与无信道编码的通信系统进行比较,分析卷积编码的性能。(The bit error rate curve of the communication system using MSK modulation and convolutional coding is simulated, and the performance of convolutional coding is analyzed by comparing
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包含有数字通信课程实验大作业报告与代码。完成的OFDM的收发包含:1.卷积编码、2.自动增益控制、3.极大似然判决、4.QPSK收发、5.帧检测等,代码在MATLAB2016b环境下编译通过(It contains the report and code of the experiment assignment for the course of digital communication. The completed OFDM transceiver includes: 1. convolut
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4. 试说明卷积编解码的工作原理:
(1) 使用Simulink仿真卷积编码,并用Viterbi译码的方法进行解码,其中的编码、译码全部是自己编写代码(S-Function方式),不是调用Simulink的已有编码、译码函数。
(2) 请在加性白高斯噪声信道中,画出比特信噪比与误码率的关系曲线。(4. Try to explain the working principle of convolutional codec:
(1) Simulink was used to simulate
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搭建 BPSK+编码+交织仿真通信链路,仿真分析在不同信道条件下的不同译
码算法的误比特率性能。基于 matlab,搭建 BPSK+卷积编码+交织通信收发链路,
仿真参数如下: 1) 信源比特速率: 100 b R kbps = 2) 卷积编码:码率为 1/2,生成多项式为(561,753) 3) 译码方式:维特比译码(硬判决译码、软判决译码(8 比特量化)) 4) 交织:行列交织,交织器深度为 100bit,宽度为 10; 5) 仿真点数:106 1. 在 AWGN 信道下,仿真并绘出该系统在
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使用Simulink(或m语言)仿真卷积编码,并用Viterbi译码的方法进行解码,其中的编码、译码全部是自己编写代码(m语言方式),不是调用Simulink(或m语言)的已有编码、译码函数。并在加性白高斯噪声信道中,画出比特信噪比与误码率的关系曲线。(Simulink (or M language) is used to simulate convolutional coding, and Viterbi decoding method is used to decode, in which
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