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const_ldpccc_mat
- Low density parity check matrix-Descr iption A program written for generating LDPC matrix in the as pattern as discussed in the research paper , " Time varying periodic convolutional codes with low density parity check matrix" by Alberto
QC_codes
- Construct the short length of QC LDPC codes without girth 4 and girth 6-The Program to construct the short length of QC LDPC codes without girth 4 and girth 6 Copyright (C) Yang XIAO, Jun FAN, BJTU, July 26, 2007, E-Mail: yxiao@bjtu.edu.cn.
mds
- This codes include MDS code for communication and other uses. Multidimensional scaling (MDS) is a set of related statistical techniques often used in formation visualization for exploring similarities or dissimilarities in data. MDS is a special
checkcycle6
- 查找ldpc校验矩阵中的6环，并将其记录到txt文件中-Find ldpc check matrix of the six rings, and its records to a txt file
OFDM2
- 1. 该程序进行了简单的LMS信道估计，没有加入与MMSE等其他信道估计算法的比较； 2. 程序中循环前缀的设置，作者称是25％的CP，但是从矩阵的构造并不能看出这一点 并且CP为Zero-CP，需要加入与真正复制了数据样值的循环CP系统进行性能对比 3. 仿真条件为系统处于理想同步情况下。 -1. The program had a simple LMS channel estimation, not joined with the MMSE channel estim
ica_cdma
- 程序对盲信号分离空时多用户检测器的仿真 ，但在程序中A用了随机矩阵，而没有用空时阵列中的阵列响应矩阵-Blind signal separation program space-time multiuser detector simulation, but in the process with a random matrix A, but not with an empty array when the array response matrix
MIMO_PART2
- A beginner code for space Time block code 2x2 MIMO. It computes the BER of the system and uses hadamard matrix
Calculation-of-the-Spatial-Preprocessing-and-Link
- an efficient method for calculating the Precoding Matrix Indicator (PMI), Rank Indicator (RI) and Channel Quality Indicator (CQI) at a Long Term Evolution (LTE) User Equipment (UE)
LDPC
- 文件中给出了可用的LDPC编码，译码程序。并且有生成生成矩阵与校验矩阵的程序。-File give the available LDPC encoding, decoding process. And there is a generator matrix and parity check matrix generation program.
GenerateUG
- 根据点之间的Manhattan Length把方格图转换成无向带权图UG，并获得各边的权值矩阵W-According to the point of the Length Manhattan between the square map into a non- weighted graph UG, and access to the edge of the weight matrix W
waterfilling
- 在程序中，任意产生一个mimo的信道矩阵，分别使用注水法和等增益算法求出信道容量。结果得到子信道的功率分配，进行作图。(A channel matrix of MIMO is generated randomly, and the channel capacity is calculated by water filling algorithm and equal gain algorithm respectively. Power allocation of subchannels is o
_IEEE802.11ad标准中LDPC编译码的研究
- 首先，认识标准。从系统层面和物理层两方面介绍此标准，给出标准的发送端和接收端系统结构框图，重点描述标准中物理层的特征，总结出标准的重要特点和关键技术。 其次，研宄和实现两种编码器。根据标准中码矩阵的特点，设计一种高效的编码器，完成的实现。在此基础上提出一种新的编码结构一旋转码，对旋转编码器结构进行探究，完成它的仿真和实现。(First of all, recognize the standard. This paper introduces the standard from two aspec
LDPC
- 1） 生成具有大小的LDPC奇偶校验矩阵。 2） 使用BF算法对使用1）生成的码字进行解码。 3） 给出解码算法在BPSK调制和AWGN信道下，信噪比为1、1.5、2、2.5、3db时的误码概率。(1)Generate a parity check matrix of LDPC with size . 2)Use the BF algorithm to decode a codeword generated by using 1). 3)Give the bit error probabilit