NLMS-Channel-Equalization

802.16E的协议文档，完整版本。其中包括3个版本。(802.16E protocol document, full version.)

GPRS的IP协议源程序，对初学者有用。(GPRS protocol of the IP source code, useful for beginners.)

principle_of_communication……matlab(principle_of_communication.matla)

基于压缩感知的MASSIVE MIMO信道估计，采用OMP算法解决稀疏信道估计问题。MASSIVE MIMO多小区多用户模型，合成稀疏信道（有效解决导频污染）。(Based on compressed sensing for MASSIVE MIMO channel estimation, OMP algorithm is used to solve the sparse channel estimation problem. MASSIVE MIMO multi cell and multi-user model, to synthesize sparse channel (effectively solve pilot pollution).)

通过粒子群算法改进了矢量量化,有利于图像的压缩(The particle swarm optimization is used to improve the vector quantization, which is beneficial to the compression of the image.)

二维快速离散变换,可快速实现二维快速离散变换，不可多得的程序。(Two-dimensional fast discrete transform, can quickly realize two-dimensional fast discrete transform, a rare procedure.)

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.)

TM470ARM系列开发文档，很多都不没有用过TI的arm,实际上用起来非常不错的一款芯片!(TM470ARM series of development documents, are not never used TI)

TTY-Modbus Communication

完整的GMSK仿真程序，viberbi很好的实现,可以很好解决问题(it is very good for Complete GMSK simulation program can be good. if you use it,ok)