软判决译码

基于多元符号可信信息的RS码的软判决译码算法

A Soft-Decision Decoding Algorithm of Reed-Solomon Codes Based on Reliability Information of M-ary Symbol

在对WLAN应用环境下的无线信道进行建模分析的基础上，分析了卷积编码的性能，并对维特比硬判决及软判决译码进行了比较。

Base on the mode of WLAN wireless channel environment , the performance of convolutional encoding and its Viterbi Hard-decision and soft-decision decoding algorithm is analysed and compared .

q元线性分组码的快速软判决译码

Soft decision Decoding for q ary Linear Block Codes

一种基于Chase的RS码代数软判决译码算法

Algebraic soft decision decoding algorithm for Reed-Solomon codes based on Chase algorithm

提出了结合软判决译码的非冗余纠错（nonredundanterrorcorrection）在差分解调中的应用。

The paper proposes the application of nonredundant error correction in differential demodulation combined with soft-decision decoding .

解调部分对应于TCM编码采用了Viterbi软判决译码，而后去交织，RS解码恢复原始的二进制数据，输出到数据文件中。

In demodulation part , the soft-decision Viterbi decoding algorithm is selected , so is deinterleaving and RS decoding .

分析了基于代数结构RS码软判决译码算法&KV算法，有三部分组成：重数分配，插值和因式分解。

Based on algebraic soft-decision decoding of RS codes-KV algorithms consist of three steps : multiplicity assignment , interpolation and factorization .

本文利用Chase算法的思想，将软判决译码应用到RS（15，11）码上，降低了译码的复杂度。

An algorithm for soft-decision decoding ( 15 , 11 ) RS is presented , which refers to the Chase algorithm .

一种应用于DMB-T的基于RS码软判决译码的级联码方案

A New Concatenated Coding for DMB-T System Based on Soft-Decision Decoding of Reed-Solomon Codes

二进制一步完备正交UEP码及其软判决译码

One-Step Completely Orthogonalizable Binary UEP Codes and Their Soft-Decision Decoding

本文给出一种分组码快速软判决译码&可变门限Chase算法（VTC）。

A novel fast soft decision decoding algorithm , called variable threshold Chase algorithm ( VTC ), is described .

提出了一种与Huffman码相结合的卷积码软判决译码方案。

This paper proposes a modification of the soft output Viterbi decoding algorithm ( SOVA ) which combines convolution code with Huffman coding .

采用FPGA实现删除卷积码Viterbi软判决译码，与传统方式相比，提高了译码器的工作速度和可靠性，降低了功耗。

The FPGA was applied in soft_decision Viterbi decoder for punctured convolutional codes . Compared with the traditional method , the method enhanced the speed , improved the reliability and reduced the power consumption .

讨论了多元码可信信息的计算方法，提出了一种RS（Reed-Solomon）码的软判决译码算法。

In this paper , a method of computing reliability information of m ary is discussed , and a soft decision decoding algorithm for reed solomon ( RS ) codes is suggested .

本文还介绍了OFDM-CDM系统中，进行Viterbi软判决译码所需要的可靠信息，即LLR的获取方法。

The algorithms to obtained the optimum reliability information ( i.e. LLR ) for the Viterbi decoder which derived of OFDM-CDM system is presented .

在软判决译码中，研究目前提出的主流的译码算法，如广义最小距离译码、CHASE算法及两者结合的CGA算法，以及较新提出的球形译码（SD）算法，并仿真比较它们的性能。

With respect to soft decision decoding , we discuss the proposed classical algorithms , such as generalized minimum distance decoding ( GMD ), CHASE algorithm and CGA algorithm , which is the combination of GMD and CHASE .

仿真表明，相对于软判决译码时传统的差分解调，该算法在误比特率BER为10-4时在AWGN信道中有1.4dB的性能改善，在Rician信道中同样有显著的性能改善。

The simulation results show that the performance improvement of proposed algorithm is superior to conventional differential demodulation by 1.4 dB at a BER of 10 - 4 in AWGN channel .

低密度奇偶校验（low-DensityParity-check，LDPC）码的混合译码结合了软判决译码和硬判决译码的特点，利用部分信道信息计算硬判决序列的可靠度，实现性能与复杂度的折衷。

Hybrid decoding for low-density parity-check ( LDPC ) codes combines the features of hard-decision and soft-decision decoding . In hybrid decoding , reliability measures of hard-decision sequence are obtained from partial channel information .

因此本文主要研究性能更好的RS码软判决译码算法。本文首先介绍RS码相关的基础知识以及时域和频域的编码方法，接着深入研究现在广泛应用的硬判决译码BM算法。

This thesis mainly treats soft-decision decoding algorithm of RS code . Firstly , in this thesis the fundamental theory of RS code is introduced along with time-domain encoding and frequency-domain encoding . Widely used hard-decision decoding BM algorithm is then given .

在编程实现卷积码的Viterbi译码和软判决译码的基础上，本文讨论了级联码与乘积码，这是构造长码进而得到渐近好码的重要手段，也是信道编码研究的重要内容之一。

Based on the implementing Viterbi algorithm of convolutional codes and Soft Decision Decoding , this thesis discusses concatenated code and product code . They are important methods to create long codes and then gain the approximate good codes , also the important research contents in channel coding field .

神经网络在分组码软判决译码中的应用

Applications of Neural Networks in the Soft-Decision Decoding of Block Codes

介绍了软判决译码和消息传递的基本思想；

The principles of soft decoding and message passing are discussed .

神经网络与非线性分组码软判决译码

Neural Networks and Soft-Decision Decoding to Nonlinear Block Error-Correcting Code

循环码关于软判决译码的一条性质

A Property of Some Cyclic Codes about its Soft-Decision Decoding

基于可靠性的线性分组码软判决译码算法研究

Research on Reliability-Based Soft-Decision Decoding Algorithms for Linear Block Codes

用于软判决译码时的非冗余纠错差分检测

Nonredundant Error Correction Differential Detection in Soft Decision Decoding

基于A算法的快速软判决译码

Fast A soft decision decoding for binary block codes

衰落信道下多级编码方案的软判决译码

Soft Decision Decoding for Multilevel Codes with Different Mapping Strategies in Fading Channels

一种改进的最大似然软判决译码

An Improvement to Maximum - likelihood Soft Decision Decoding

运动系统；软判决译码；纠错；

Telecontrol ; Soft decision decoding ; Error correcting ;