project

this document gives the basics of gprs concepts in gerat detail

AM调制与解调，信息信号和载波信号经过AM调制并加噪得到AM信号的频谱，再经过带通滤波器，相干解调，低通滤波后得到解调后的信号。(AM modulation and demodulation, information signal and carrier signal through AM modulation and noise to get the spectrum of AM signal, then through band-pass filter, coherent demodulation, low-pass filter to get the demodulated signal.)

实现时域与频域均衡MMSE方法的比较 采用64QAM调制(Comparison of the time domain and frequency domain equalization MMSE method)

自己做的CRC16校验例子，输入16进制数据，数据之间用空格，得到校验字节(The CRC16 checksum own example, enter the hexadecimal data, with a space between the data check byte)

说明：  conversion of a matrix into lower triangular matrix

CONVERT A MATRIX TO LOWER TRIANGULAR MATRIX

WAVECOM GSM MODEM用户中文使用说明书(WAVECOM GSM MODEM User Manual Chinese)

说明：  自己实现的基于串口通讯发送短消息的低层协议JAVA代码，对于初学者有一定的参考和帮助价值，特意上传上来共享一下！(Their own realization of serial communication based on sending short messages JAVA code low-level agreement, for beginners there is a certain degree of reference and to help the value of deliberately upload up to share about!)

基于OPNET的IEEE80211战场WLAN增援救助仿真及性能评估(OPNET-based reinforcement of IEEE80211 battlefield WLAN simulation and performance evaluation assistance)

一本介绍第四代移动通信LTE的英文书籍，详细介绍了从发送端到信道到接收端的原理及实现。(One introduces fourth-generation LTE mobile communication in English books, details from the sender to the receiver channel to the principles and implementation.)