MIMO_OFDMA_2T1R_CDD

使用MATLAB中的simulink建立的9阶自适应均衡器模型(a 9 step simulink model)

Automatic navigation system

GTP IP核，高速通信必须学习的部分。(GTP IP kernel, part of high-speed communication that must be learned.)

基于matlab的PN码的同步仿真，包含详细代码，可以直接运行(Matlab based PN code synchronization simulation, including detailed code, can run directly)

说明：  DFE信道均衡算法及学习曲线绘制程序。程序为matlab代码。(DFE channel equalization algorithm and the learning curve drawing program. Procedures for the matlab code.)

QPSK的编译 设定噪声为高斯白噪声，对2ASK、2FSK、2PSK、2DPSK等各种调制方式及相应的主要解调方式下（分相干与非相干）的误码率进行统计，并与理论值进行比较，以图形方式表示误码率与信噪比间的关系。(QPSK compiled Set the noise is Gaussian white noise, right 2ASK, 2FSK, 2PSK, 2DPSK variety of modulation and demodulation mode corresponding to the main (sub-coherent and non-coherent) error rate statistics, and with the theoretical value comparison, a graphical representation of bit error rate and SNR relationships.)

说明：  本文主要从自适应调制的算法及实现出发，引入了OFDM子载波分组的概念，详细阐述了五种固定阈值算法和子带BER预估计算法的原理及实现，并在此基础上加入自适应编码，实现自适应调制与编码。(Based on the algorithm and implementation of adaptive modulation, this paper introduces the concept of OFDM subcarrier grouping, elaborates the principle and implementation of five fixed threshold algorithms and subband BER estimation algorithm, and adds adaptive coding to realize adaptive modulation and coding.)

Improvement in Cognitive Radio

ofdm最大似然估计 加入循环前缀 进行信道估计同步算法(ofdm Maximum Likelihood Estimation of cyclic prefix for channel estimation synchronization algorithm)

说明：  matlab实现STBC的MIMO-OFDM的系统级仿真(Simulation of STBC MIMO-OFDM System with MATLAB)