Submit_v2

利用MMSE预编码方法求解MIMO系统和速率(MMSE precoding method for a MIMO system and rate)

圆形阵列的方向图matlab程序，加注释，可以修改相关参数。(The circular array pattern matlab program, plus annotations, can modify the relevant parameters.)

本OPC Client程序基于OPC DA 2.0开发制作。其操作方式和功能均按照OPC的测试工具OPC client模仿编写。(The program is based on OPC Client OPC DA 2.0 development and production. Its mode of operation and functional test tools in accordance with OPC OPC client imitate write.)

Multi-Carrier Cooperative Wireless Communication

BSPK QPSK 8PSK调制与解调的matlab程序，已经经过测试，可稳定运行，具有很高的使用价值(BSPK QPSK 8PSK modulation and demodulation matlab program, has been tested and stable operation with high use value)

MIMO systems with efficient sum rate analysis

说明：  ：载波频率偏移是OFDM系统实现的关键问题之一。分析了OFDM 系统载频偏移估计的2 种算法，即利用循环前缀和训练序列方法。它们均为最大似然估计方法。分别讨论了它们的基本 思想、实现方法和仿真结果。可以看出基于循环前缀算法复杂度较小，精度不高，而基于训练序列 的算法有较高的估计精度，但降纸了系统传输效率。(Abstract：Carrier frequency ofset is one of the key problems in OFDM system．Two foundational methods 。cycling prefix—based and training sequence—based algorithms。to estimate OFDM carriers~equency ofset are analyzed．Then it discusses their basic thoughts。implementing methods and simulation resuits． Finally。merits and demerits of every algorithm are supposed．It concludes that the cycling prefix— based algorithm has less complexity and less precision。and that the training sequence—based algorithm has better estimation performance at the cost of transmission efficiency．)

说明：  ldpc编码的matlab实现，供大家参考(Matlab implementation of LDPC coding for your reference)

说明：  本程序是QPSK的AWGN通道下的误码率分析，里面包括matlab源程序，(Analysis of BER in AWGN channel of QPSK)

主要介绍ofdm中各种信道估计方法，包含一维和二维信道估计方法(Introduces the OFDM channel estimation in a variety of methods, including the one-dimensional and two-dimensional channel estimation methods)