MIMO-OFDM

说明：  详尽描述了3GPP LTE环境中小区间资源分配仿真的全过程，有蜂窝小区的模拟方法和资源调度的算法，还有性能仿真的曲线图(3GPP LTE detailed description of the allocation of resources between the environment small and medium-sized simulation of the entire process, and the simulation of Cellular and resource scheduling algorithm, as well as the curve of performance simulation)

说明：  Realizing the Quality of Service (QoS) in Software-Defined Networking (SDN) Based Cloud Infrastructure

16QAM信号在高斯信道与瑞丽信道下的调制解调，误码率计算(Modulation and demodulation of 16QAM signals in Gaussian channel and Rayleigh channel, calculation of bit error rate)

ACO-OFDM sdakldjas seuekdsjakdnskd

说明：  FM解调的simulink文件，输入的信号为音频信号。(Simulink file for FM demodulation)

说明：  在信号发送后，接收方需要实现位同步才能正确解码(after signal is sent, receiver need bit syn to decode correctly)

说明：  单频信号经过多径时变信道后，输出信号的包络随时间随机起伏，输出信号的频谱从冲激谱变成一个窄带频谱。径数位20，变化频率从0—2HZ随机均匀抽取。(Single-frequency signal through time-varying multipath channel, the output signal envelope random fluctuations over time, the output signal from the impulse of the spectrum into a narrow-band spectrum spectrum. Digital Drive 20, changes in frequency from 0-2HZ uniform random samples.)

技术文档：OFDM联合极大似然法，符号和载波频偏估计，利用循环前缀的冗余信息实现ML估计，不需额外插入导频，其频率估计用于跟踪模式，时间估计用于捕获模式。(OFDM ML estimator for time and frequency)

小区搜索程序，能够在OFDM框架下对信号的调制解调定位等问题进行仿真。(Cell search procedure, to the framework of the OFDM modulation and demodulation of the signal localization issues such as simulation.)

说明：  多输入多输出(Multiple-Input Multiple-Output)技术是无线移动通信领域智能天线技术的重大突破。该技术能在不增加带宽的情况下成倍地提高通信系统的容量和频谱利用率，是新一代移动通信系统必须采用的关键技术。(Multiple input multiple output (MIMO) technology is a major breakthrough of smart antenna technology in the field of wireless mobile communication. This technology can double the capacity and spectrum efficiency of the communication system without increasing the bandwidth. It is a key technology that must be adopted in the new generation of mobile communication system.)