Search - Convolutional Codes

[VHDL-FPGA-Verilog] conv_code

Description: 用VHDL实现卷积码编码，该码为（2.1.3）型卷积码。-using VHDL Convolutional coding, the code (2.1.3)- Convolutional Codes.
Platform: | Size: 1024 | Author: 武汉 | Hits:

[Communication] convolution_codes

Description: 通信系统的仿真,卷积码是纠错码的一种,可以用于数字电视,手机等通信领域,本例子给出了基于matlab的程序,可用于实际的仿真!-communications system simulation, convolutional codes is an error-correcting code that can be used in digital TVs, mobile phones and other communications, this example is based on the Matlab program can be used for actual simulation!
Platform: | Size: 1024 | Author: 陈榧 | Hits:

[Post-TeleCom sofeware systems] conv_codec.tar

Description: 通信中常用的卷积码信道译码源码程序，matlab 与　c 相结合的方式。-Communication common Convolutional Codes channel decoder source programs, Matlab and c combined approach.
Platform: | Size: 282624 | Author: feng zhao | Hits:

[matlab] cnvcoder

Description: 卷积码是一种有记忆的编码，在任意给定的时间单元处，编码器的n个输出不仅与此时间单元的k个输入有关，而且也与前m个输入有关。卷积码通常表示为：（n,k,m）本次仿真采用（2，1，3）卷积码。 -convolutional code is a kind of code memory, in any given unit of time, the encoder output n this time not only with the elements of the k input, but also with the input m. Convolutional codes are usually stated as : (n, k, m), the simulation used (2,1,3) convolutional code.
Platform: | Size: 3072 | Author: yx | Hits:

[matlab] verbitdecoder

Description: 卷积码是一种有记忆的编码，这里提供了卷积码的维特比译码函数-convolutional code is a kind of code memory, it provides Convolutional Codes Viterbi decoding function
Platform: | Size: 8192 | Author: yx | Hits:

[matlab] viterbddfdi

Description: viterbi译码程序用来对通信中的卷积码进行译码-Viterbi decoding procedures used for communication of convolutional codes for decoding
Platform: | Size: 2048 | Author: windy | Hits:

[Communication] viterbi_binary_hard

Description: （3，1，4）卷积码的viterbi硬判决的源代码，通过高斯信道的误码率-(3,1,4) Convolutional Codes Viterbi hard decisions source code, the Gauss channel BER
Platform: | Size: 4096 | Author: 朱磊 | Hits:

[source in ebook] viterbicoderdecoder

Description: 卷积编码、维特比译码的MATLAB代码，程序来自《现代通信系统－使用matlab》英文版，个人用着不错：）-convolutional codes, Viterbi decoding MATLAB code, procedures from the "modern communication systems-using Matlab" in English, with a good personal :)
Platform: | Size: 5120 | Author: 辰辰 | Hits:

[Compress-Decompress algrithms] reed-solomon-3.1.1.tar

Description: reed-solomon 编解码，FEC的一种，比卷积码要稳定收敛，用于DVD/VCD的纠错码，纠突发错误。-reed-solomon codecs, an FEC than Convolutional Codes to stabilize convergence, for the DVD/VCD of error-correcting codes and preventing unexpected errors.
Platform: | Size: 46080 | Author: raosiyong | Hits:

[Communication-Mobile] convolu

Description: 卷积码在AWGN信道下的实现包括simulink文件与.m文件 -Convolutional Codes in AWGN channel, including the realization of documents and Simulink. M documents
Platform: | Size: 25600 | Author: gaohongfeng | Hits:

[ELanguage] TCM_Modulation

Description: TCM编码的调制端，采用8PSK，2/3码率的卷积码的matlab程序-TCM coded modulation client, using 8PSK, 2/3 code rate of convolutional codes of matlab program
Platform: | Size: 1024 | Author: jishanyi | Hits:

[Communication-Mobile] convolutional_codes_Viterbi_decoding

Description: convolutional codes & Viterbi decoding
Platform: | Size: 2048 | Author: 路程遂 | Hits:

[Data structs] viterbi416

Description: 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。-Realize the (4,1,6)-type convolutional codes Viterbi decoding algorithm using the maximum likelihood algorithm. Introduce a soft-decision Viterbi decoding algorithm the process of three steps: initialization, update and backward decoding metric.
Platform: | Size: 3072 | Author: raymond | Hits:

[Communication-Mobile] convolutional-decode

Description: IS-95系统中反向业务信道采用接入信道采用（3,1,8）的卷积码，其码率R=1/3，约束长度K=9。提供一种简单的卷积码解码方法。-IS-95 system Reverse Traffic Channel using Access Channel used (3,1,8) convolutional codes, the bit rate R = 1/3, constraint length K = 9. To provide a simple method of decoding convolutional codes.
Platform: | Size: 77824 | Author: 田永波 | Hits:

[Graph program] Convolutional-Code

Description: 该程序用matlab实现的，用于完成图形图像的卷积码编码。而卷积码是一种需要除了本组之外的信息来实现编解码。-The program achieved using matlab for complete graphic images encoded convolutional codes. The convolutional code is a need in addition to information outside the group to achieve codec.
Platform: | Size: 13312 | Author: 马行空 | Hits:

[3G develop] OFDM

Description: 基于卷积码，AWGN信道的OFDM系统仿真-Based on convolutional codes, AWGN channel OFDM system simulation
Platform: | Size: 2048 | Author: Luke WU | Hits:

[Mathimatics-Numerical algorithms] convolutional-codes-calculation

Description: 针对基于距离谱的凿孔卷积码优化设计问题, 提出了一种高效的凿孔卷积码距离谱计算方法. 利用卷积码状态图和凿孔码凿孔图样构造一个长度为凿孔周期的状态转移矩阵序列, 并利用状态转移矩阵序列的乘积计算传输函数和距离谱. 为了避免符号矩阵的求逆运算, 又给出了基于状态逐步消除的传输函数计算方法. 分析和仿真结果表明: 这种方法既有较高的计算效率, 又有很强的实用性, 可以用来进行优化设计或者理论分析.-Hole to the distance spectrum of convolutional codes calculation
Platform: | Size: 315392 | Author: pengdong | Hits:

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