[MATLAB]最小和LDPC译码算法MATLAB实现(285266)

Lte advanced downlink harq scheduling

说明：  对信道进行LS信道估计，并使用Decision-Directed的方式进行降噪。(Channel Estimation Decision Directed)

使用matlab中的通信工具箱中simulink搭建直接序列扩频系统并进行仿真，(The direct sequence spread spectrum system is built and simulated by using Simulink in the communication toolbox of MATLAB.)

高速移动环境下（高铁）OFDM关键技术的研究，包括ICI消除，多普勒分集，CDMA-多普勒分集联合等关键技术(High-speed mobile environment (High Speed Rail) OFDM key technology research, including the elimination ICI, Doppler diversity, CDMA-Doppler sub-set of key technologies such as the Joint)

说明：  实现LTE系统级仿真，MIMO系统仿真，16QAM仿真(Implementare la simulazione a livello di sistema LTE)

ctorrent源码实现，良好的源码架构和精干的代码组织。 (ctorrent source implementation of good source code structure and lean tissue.)

GPS信号模拟软件，模拟GPS设备向串口输出0183格式标准语句，配合串口虚拟工具使用，可以在普通电脑上调试(GPS signal simulation software, which simulates GPS equipment to output 0183 standard statements to serial port, can be debugged on ordinary computer with serial virtual tools.)

OFDM系统在QPSK与16QAM调制下，误码率比较程序，希望对大家有一定用处(OFDM system with 16QAM QPSK modulation, error rate procedures, We hope to have some use)

数据结构（耿国华版）课本源码，课本中的实例程序等。。。(the code of the book.)

半带滤波器，工作在采样率122.88Msps上(Half-band filter, working at the sampling rate of 122.88 Msps)