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清华大学 信道编码课件
基本概念和方法（1）
线性分组码（1）
循环码（4）
卷积码（4）
级联码（2）
编码调制（2）
信道编码应用（1）-Qinghua University Channel Coding courseware basic concepts and methods (1) linear block code (1) Revolving code (4) Convolution code (4) concatenated codes (2) code
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维特比算法用于扩频信道译码，与Turboo码,卷积码，级联码构成编码系统-Viterbi Algorithm for spread spectrum channel decoding, and Turboo code, convolutional codes, concatenated coding system code constitute
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a paper entitled Zigzag Codes and Concatenated Zigzag Codes source code
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This scr ipt simulates the classical turbo encoding-decoding system.
It simulates parallel concatenated convolutional codes.
Two component rate 1/2 RSC (Recursive Systematic Convolutional) component encoders are assumed.
First encoder is t
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典型的Turb。码是一类并行级联的系统卷积码，当交织长度足够长时，其性能可逼
近仙农限。-Typical Turb. Code is a class of parallel concatenated convolutional codes of the system, when the cutting length for long enough, its performance can be close to Shannon limit.
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An effective technique to improve wireless
communication performance is transmit diversity.In this transmitter diversity using a new combination of space-time block codes (STBCs) concatenated with orthogonal frequency division.
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这是一套完整的支持wimax 16e协议CTC的编译码程序，
主程序在demo.c
译码器：tcdecoder.c
编码器：tcencoder.c-/* This program simulates the classical turbo encoding-decoding system on PC.*/
/* It uses parallel concatenated convolutional codes described in Figure 2.9 in Chapter
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一种低复杂度的短LDPC码级联译码算法A low-complexity decoding algorithm for short LDPC codes concatenated-A low-complexity decoding algorithm for short LDPC codes concatenated
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交织编码是一种信道改造技术，它通过信号设计将一个原来属于突发差错的有记忆信道改造为基本上是独立差错的随机无记忆信道。交织编码作为克服衰落信道中突发性干扰的有效方法，通常和其它用于纠正无记忆独立差错的信道编码相结合构成级联码，广泛应用于当代移动通信。
-Channel interleaved coded is a transformation of technology, which belongs to the original signal design will be a burst e
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this code is simulates parallel concatenated convolutional codes using turbo decoding-this code is simulates parallel concatenated convolutional codes using turbo decoding
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Abstruct- We describe novel interleaver and deinterleaver
architectures that support bandwidth efficient memory access for
decoders of turbo-like codes that are used in conjunction with
high order modulations. The presentation focuses on a deco
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VS2010及IT++4.2下实现PCCC在AWGN信道上的仿真-This program simulates Parallel Concatenated Convolutional Codes (PCCCs) of coding rate 1/3 using a turbo decoder with two SISO RSC modules.
Reference: S. Benedetto, D. Divsalar, G. Motorsi and F. Pollara, "A Sof
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VS2010及IT++4.2下实现SCCC在AWGN信道上的仿真-This program simulates Serially Concatenated Convolutional Codes (SCCCs) of coding rate 1/4 using a turbo decoder with a SISO NSC module and a SISO RSC module.
Reference: S. Benedetto, D. Divsalar, G. Motorsi and
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Turbo 码的matlab程序。它巧妙地将两个简单分量码通过伪随机交织器并行级联来构造具有伪随机特性的长码，并通过在两个软入/软出(SISO)译码器之间进行多次迭代实现了伪随机译码。他的性能远远超过了其他的编码方式，得到了广泛的关注和发展，并对当今的编码理论和研究方法产生了深远的影响，信道编码学也随之进入了一个新的阶段 -Turbo code matlab program. It skilfully two simple component codes through pseudo-rando
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CDMA中的turbo码仿真,tuebo编码器的仿真 很不错！-This scr ipt simulates the classical turbo encoding-decoding system.
It simulates parallel concatenated convolutional codes.
Two component rate 1/2 RSC (Recursive Systematic Convolutional) component encoders
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A Soft-Input Soft-Output Maximum A Posteriori
(MAP) Module to Decode Parallel and
Serial Concatenated Codes
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OFDM with Concatenated Codes
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Convolutional codes
Turbo codes
LDPC codes
Parallel Concatenated Codes with Nonuniform Interleaving
Random Coding Interpretation of Turbo Codes
Characteristics of Turbo Codes
Preface to LDPC Codes: Review of Linear Block Cod
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通过阐述通信系统的基础理论，着重分析信道理论及信道编码方式，采用蒙特卡罗计算机仿真方法，利用MATLAB 提供的可视化工具Simulink 建立了信道编码的仿真模型，详细讲述了各编码方式的设计。在给定仿真条件下，运行了仿真程序，对二进制双极性通信系统中的几种基本信道编码进行了仿真性能测试和讨论,并从实际角度出发，对扩频通信中的信道编码进行了初步仿真，得出了在二进制双极性扩频通信系统中采用级联码，能够实现信道复用和误码性能双赢的结论。-Elaborate communication system
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Five Matlab codes corresponding to the concatenation of mat files, importing multiple files at a time, down-sampling, up-sampling of a signal and finally a code which except unique one removes all variables from Matlab workspace programmatically.
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