IET_QLRSA

实现了采用SM调制下的4*2的MIMO系统的误码率分析(achieved the BER analysis of the 4*2 MIMO system using Space Modulation)

GMSK调制解调 能运行 绝对好用 包括原理 注释全(GMSK modulation)

LTE系统中小区的选择，根据物理位置或是最大发射功率(enb in LTE system)

Channel estimation for a MIMO-OFDM system for AWGN channel estimation technique Cyclic prefix length

说明：  利用商用WIFI和matlab对走、坐和蹲的三种数CSI 数据包进行预处理和特征提取(Commercial WIFI and matlab were used to preprocess and extract features of walking, sitting and squatting CSI packets)

信号利用QPSK调制，采用全数字化的频偏估计方法(A full digital frequency offset estimation method using QPSK modulation)

说明：  调用webrtc中的VAD算法，可以实现录音文件的语音端点检测，时延7.8ms(Calling VAD algorithm in webrtc, voice endpoint detection of recording file can be realized with a delay of 7.8ms)

电力线信道噪声模型matlab仿真，在输入端把脉冲噪声模型放入电力线OFDM通信系统，输出端用特定算法解码。(The algorithm estimates the impulsive noise in powerline communication, and subtract out an estimate of the impulsive noise in the current OFDM frame.)

PAPR reduction in OFDM using PTS technique

This document describes about the digital modulation techniques especially about spread spectrum.