ofdm-predistorter

matlab编写的OFDM通信系统仿真程序，可以作为OFDM学习资料。(OFDM systems simulation program Matlab written, can be used as the OFDM learning materials.)

PCSC APDU specification.

说明：  CCSDS推荐的LDPC编码方案，一系列参考标准，很好哦！(CCSDS recommended LDPC coding scheme, a series of reference standards, very good!)

MIMO指多输入多输出，MIMO技术大致可以分为两类：发射/接收分集和空间复用。传统的多天线被用来增加分集度从而克服信道衰落，具有相同信息的信号通过不同的路径被发送出去，在接收机端可以获得数据符号多个独立衰落的复制品，从而获得更高的接收可靠性。这种技术往往要结合多天线技术，而多天线技术在移动通信中得到了广泛的研究。(MIMO refers to Multiple Input Multiple Output, MIMO technology can be broadly classified into two categories: transmit/receive diversity and spatial multiplexing. Traditional multi-antenna was used to increase the degree of diversity to overcome channel fading, the signal with the same information through different paths have been sent in the receiver-side data symbols can be multiple independent copies of the decline, which was higher reception reliability. This technology often have to combine multi-antenna technology, and multi-antenna technology in mobile communication has been widely studied.)

Provides telephone system managers, telecommunications sales professionals, and students with nontechnical, easy-to-understand explanations of the major aspects of today s telecommunications systems. DLC: Telephone.

说明：  STM32对接ESP8266的驱动,测试MQTT通讯和测试TCP通讯(STM32 TO ESP8266,test MQTT communication and test TCP communication)

说明：  cdma的码同步实现，使用matlab实现(Code synchronization of CDMA)

角谱--VCSEL发出的光，经过透镜耦合进入光纤，仿真给出光由VCSEL进过透镜进入光纤的过程(Angular spectrum)

不同GI长度的OFDM-QAM系统性能仿真(Performance simulation of OFDM-QAM systems with different GI lengths)

产生复高斯的白噪声,这和matlab 自带的不一样，容易理解，但是经对比还是和自带的有区别的(AWGN noice we are very nice. please try to run it snd you will find you are good too.)