分组码

最后，我们结合空时分组码和分层空时码给出一种折中方案，以克服空时分组码由于冗余的引入而导致的编码效率过低，以及克服分层空时系统抗衰落性能差的特点。

Finally , a compromise scheme was proposed though combining STBC and BLAST to overcome the disadvantage of the lower coding efficiency of STBC and the poor anti-fading performance of BLAST .

基于分组码模型的DNA序列编码特性分析

Analysis of the Encoding Characteristic of the DNA Sequences Based on the Block Code Model

空时分组码和BLAST系统是两种利用多发多收传输的典型的空时编码系统。

Space-time block code and BLAST are two typical systems utilizing MIMO .

q元线性分组码的快速软判决译码

Soft decision Decoding for q ary Linear Block Codes

正交空时分组码在OFDM系统中的性能估计

Performance Estimation for Orthogonal Space-Time Block Codes in OFDM Systems

基于系统分组码提出了一个（t，n）门限多秘密共享体制。

A new ( t , n ) threshold multi-secret sharing scheme based on the systematic block codes is proposed .

线性分组码及RAM的纠错

Linear Grouping Code and Error Correction Aiming at the RAM Memory

MIMO系统中分层结构的空时分组码

Space-Time Block Code Based on Layered Architecture in MIMO System

空时分组码多载波CDMA的系统性能分析

Analysis on the System Performance of the MC-CDMA Based on Space-time Block Coding

基于发射天线优化的MIMO空时分组码算法研究

Analysis of Space-Time Block Codes Based on Optimizing Transmit Antenna in MIMO System

一种基于RBF神经网络的线性分组码的通用译码网络

A Universal Decoding Network of Linear Block Codes Based on RBF Neural Network

环上线性分组码基于Lee度量译码是环上线性分组码研究方向上的一个重要课题。

Decoding codes over rings with Lee metric is very important in coding theory .

基于分组码的面向分组的Turbo码

Block-oriented Turbo Codes Based on Block Sub codes

环上线性分组码特别是Z4-线性分组码，从上世纪90年代起重新获得了编码界的热切关注。

Codes over rings , especially Z_4-linear codes , have received a great deal of interest among coding theorists since 1990s .

提出一种用于3/4速率空时分组码OFDM系统的半盲信道估计方法。

A subspace-based semi-blind method is proposed for estimating the channels of 3 / 4 rate orthogonal space-time block coded OFDM systems .

空时分组码MC-CDMA系统盲干扰抑制

Blind Interference Suppression for a Space-Time Block Coded MC-CDMA System

Turbo乘积码是一类易于硬件实现高速迭代译码的分组码，本文对单校验码为子码的高维Turbo乘积码的软输入软输出迭代译码算法进行了详细的分析。

Turbo product codes are a kind of block codes , which can be decoded at high speed by hardware .

DS-CDMA系统利用空时分组码的干扰抑制方法

Space-Time Block Codes for Interference Cancellation in DS-CDMA Systems

但由于空时分组码受正交条件限制，传输效率得不到提高，而BLAST系统存在差错传播制约着误码率的下降。

But the data efficiency of STBC is restricted to orthogonal transmission and the bit error rate of BLAST is high due to the error propagation .

基于降维盲信道估计的空时分组码MC-CDMA系统信号检测

Signal detection for space-time block coded MC-CDMA system based on dimension-reduced blind channel estimation

BCH分组码原理、实现及纠错性能分析

BCH Encoding Application and analysis of Error-correcting Property

应用空时分组码特征波束成型技术和格形编码调制（TCM）来获得分集增益和编码增益。

Eigen-beamforming ( EBF ) technique and trellis coded modulation ( TCM ) concatenated with space time block code ( STBC ) are used to achieve code gain and diversity gain .

该文考虑空时分组码多载波码分多址（MC-CDMA）系统的盲干扰抑制。

This paper considers blind interference suppression for a space-time block coded MultiCarrier CDMA ( MC-CDMA ) system .

LDPC码是一类由稀疏校验矩阵定义的线性分组码。

Low-Density Parity-Check ( LDPC ) codes are linear block codes defined by sparse parity-check matrix .

神经网络译码技术目前只在分组码和卷积码方面开展研究，对turbo码研究还没有深入。

Though neural network-based decoding techniques have been already studied in block codes and convolutional codes , study of turbo codes has been not developed until now .

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 .

分组码的未检概率在ARQ体制中占有重要的地位。

The undetected error probability of block cedes is an important parameter in automatic repeat request ( ARQ ) systems .

二元域上n数组空间上的非线性置换在分组码，杂凑函数与流密码等密码学领域中有重要应用。

Nonlinear permutations on linear spaces with finite dimensions over the binary field GF ( 2 ), with proper cryptographic properties , have important applications in cryptology such as DES-like block ciphers , Hush functions and stream ciphers .

本文首先介绍了Turbo码的背景知识，包括差错控制的基本原理、分组码和卷积码；

In this paper , the background of turbo codes are firstly introduced , which includes the base principle of Error Correction Code 、 Block code and Convolutional code ;

RS码是线性分组码中纠突发错误能力最强、效率最高的编码，广泛地被卫星通信信道采用；

The RS code has the strongest error-correcting ability and the highest efficiency in linear block codes for correcting burst error , and has been widely used in satellite communication channel .