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energy efficiency code for cognitive radio

说明：  数字AGC仿真代码适合于基础的了解数字控制模块(Digital AGC simulation code is suitable for understanding the basis of the digital control module)

说明：  给程序给出了功率放大器预失真过程中的时延同步问题。(This codes provides the time delay synchronization in the process of power amplifier predistortion.)

OFDM系统中的Schmidl、minn、park同步算法仿真包括高斯信道和多径衰落信道。(In OFDM Schmidl, Minn, park synchronization algorithm simulation including the Gauss channel and multipath fading channel)

收集了华为五轮面试的经验，还有中兴通信的面试宝典，非常不错的资料 (Huawei five interviews to collect experience, and ZTE interview book, very good information)

实现PAM8，并进行误码率分析，PAM比特流通过随机数产生(Achieve PAM8, and the bit error rate analysis, PAM random number generator bit stream)

说明：  完整的Verilog验证模型，包括设备完整的状态。(Complete verilog Verification Model)

TCM with BCJR (Log-Map) & channel Encoder Coded_Modulation

时变多径信道的matlab仿真（通过输入多普勒频移，时延变量等参数）(Multipath channel simulation)

TTY-Modbus Communication