4GMobile

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NFC协议第一部分，描述了NFC tag 1 通讯协议(NFC protocol first part describes the communication protocol NFC tag 1)

fpga时钟，是入门的基础；希望对大家有帮助！(fpga clock, is the entry of the base want to help you!)

the matlab file gives LS, MMSE, LMMSE channel estimation for wireless channel, very short and good

关于超宽带无线电基础的介绍以及相关代码，内容详细，通俗易懂，可供大家使用，互相学习。(On the introduction of ultra-wideband radio base and related code, detailed, easy to understand for everyone to use, learn from each other.)

说明：  m序列的生成，包括在有限域GF(p)中的基于不同p取值，不同级数条件下的本原多项式多种选择条件下的m序列生成。(m sequence generation, including in GF (p), the p value based on different, different levels under the conditions of primitive polynomial number of options under the conditions of m-sequences generated.)

一种基于信号二阶四阶矩的信噪比估计方法，该文件中包含该方法的文章以及matlab程序。(This estimation method is based on the signal second-order signal-to-noise ratio of the fourth moment. The file contains a paper and a code.)

Z-TEK USB转RS232串口驱动文件，网上很难找到，今天我吧它贴出来，希望能帮助大家！(Z-TEK USB TO RS232 Converter)

详细介绍了西门子PLC的间接寻址方法，对于应用西门子PLC很有用处。(Detailed the the Siemens PLC indirect addressing method is useful for the application of the Siemens PLC.)

Bit error probability curve for QPSK mimo 2*1