MMSE_T_F

comparison of BER performance for mapping of turbo coding with 16QAM 64QAM 128QAM

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.)

数据辅助定时同步算法T.Schmidl 和D.Cox,Park&Cheon和minn(Data-Assisted Timing Synchronization Algorithms T.Schmidl and D.Cox, Park&Cheon and Minn)

Labwindows CVI 中不错的串口编程，串口调试(Good serial programming Labwindows CVI, serial debugging )

说明：  频谱感知，生成采样频率，进行能量检测，采用matlab算法(Spectrum sensing, generation of sampling frequency, energy detection, using matlab algorithm)

说明：  利用通信系统中调制信号的循环平稳特性,对频谱空洞进行检测,提升频谱感知技术在低信噪比下的性能。实验结果表明:与传统能量检测方法相比,采用循环特征检测方法改善了认知无线电中频谱空洞的检测能力。(Based on the cyclostationarity of modulation signals, spectrum hole is detected, aiming at the improve- ment of the performance of spectrum sensing in low SNR situation. The results show that comparing with the tra- ditional energy detection technique, cyclostationarity-based spectrum sensing technique has greatly improved the detective ability in cognitive radio.)

无线通信经典教材（杨鸿文译），（美）哥德史密斯（Goldsmith,A.）著。（图灵电子与电气工程丛书）(Classic textbook of wireless communication (Yang Hongwen translation), (U.S.) Goldsmith (Goldsmith, A.). (Turing Electronic and Electrical Engineering Series))

wcdma中的下行扰码，18级移位寄存器产生GOLD码，复扰码(wcdma a downlink scrambling code, 18 shift register GOLD code, complex scrambling code)

说明：  OFDM channel estimation DFT single document, ultra-detailed, very helpful for understanding OFDM, but also helpful for understanding how to simulate channel estimation

实现使用music算法进行频率估计，并绘图(Achieve the use of music algorithm for frequency estimation, and graphics)