MIMO_OFDM_estimation

说明：  用于信捷PLC与Labview之间的通信，可以作为学习的初版(Used for the communication between Sinjie PLC and Labview, it can be used as the first edition of learning.)

自己编的lms算法，用于扩频通信抑制窄带干扰的时域预测仿真(Own the lms algorithm for narrowband interference suppression spread spectrum communication time-domain simulation of the forecast)

说明：  该文件LDPC码的校验矩阵的matlab代码，可以使用该校验矩阵得到规则LDPC码。(Matlab code of LDPC check matrix)

说明：  3. 瑞利信道中的调制解调、信道估计： (1) 请推导出单径瑞利信道中的BPSK相干解调的理论误码率性能，并画出比特信噪比与误码率的关系曲线。 (2) 在单径瑞利信道中，请设计一种时分的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与误码率的关系曲线，并与理论误码率曲线进行对比。(3. Modulation demodulation and channel estimation in Rayleigh channel: (1) deduce the theoretical bit error rate performance of BPSK coherent demodulation in single-path Rayleigh channel, and draw the relationship curve between bit signal-to-noise ratio and bit error rate. (2) in single-path Rayleigh channel, please design a time-division guidance assisted channel estimation method, Simulink simulation, measure the bit error rate performance of BPSK, draw the relationship curve between bit SNR and bit error rate, and compare with the theoretical bit error rate curve.)

OBD标准协议，其中包含ISO-15031(OBD standard protocol, which contains ISO-15031)

用不同颜色散点直观描述信号在星座图上概率分布，(Describe the distribution and probability of signals with different colors in the constellation diagram,)

认知无线电模型建立,频谱感知环境，可以选择认知用户授权用户个数(create the cognitive radio model)

GPRS fundamental review

用c语言写的ldpc码的最小和算法译码程序。(The codes are about ldpc decoding,using min-sum algorithm by c++.)

Matlab files for various types of beamforming for custom 1D, 2D and 3D