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说明：  6. 在三条径的瑞利信道中，对于OFDM： (1) 请设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真。画出比特信噪比与信道估计均方误差的关系曲线和比特信噪比与误码率的关系曲线。 (2) 设频率已同步，请设计OFDM一种具体的采用循环前缀进行时间同步方法，用Simulink进行仿真，画出比特信噪比与捕获概率的关系曲线。 (3) 设时间已同步，请设计OFDM一种具体的采用循环前缀进行频率同步方法，用Simulink进行仿真，画出比特信噪比与频率同步误差的关系曲线。(6. In the three-path Rayleigh channel, for OFDM: (1) please design a specific navigation-assisted channel estimation method and use Simulink for simulation.The relation curves of bit signal-noise ratio and channel estimation mean square error and the relation curves of bit signal-noise ratio and bit error rate are drawn. (2) if the frequency has been synchronized, please design a specific method of time synchronization using cyclic prefix in OFDM. Simulink is used for simulation to draw the relationship curve between bit-snr and acquisition probability. (3) if time has been synchronized, please design a specific method of frequency synchronization using cyclic prefix in OFDM. Simulink is used for simulation to draw the relationship curve between bit signal-to-noise ratio and frequency synchronization error.)

实现ls信道估计，计算误码率计算，均方误差，对比MMSE和ls两种算法(ls estimation ababababababbababababaa)

MIMO中的天线选择，空间调制，空时分组码空间调制，等一些算法的仿真(mimo study- spatial modulation is a rencently developed transmission technique that uses multiple antennes.)

大规模MIMO信道容量分析，主要分析了BS和MS天线数不断增大时，对信道容量的影响。(The analysis to Massive MIMO channel capacity as the antennas of BS and MS grow up. )

说明：  对片内RAM进行读写操作，通过数据的写入和读出，对RAM的操作进行熟悉。(Read and write ram on chip, and get familiar with RAM operation through data writing and reading.)

基于matlab的脉冲编码仿真,pcm 模块仿真系统等(Pulse coding Simulation based on matlab, Simulation system of pcm Module and so on)

DVB-T（2K模式）同步，仿真最大似然相关（MLE）算法，在符号开始位置出现谱峰(DVB-T (2K mode) synchronization, simulation Maximum Likelihood correlation (MLE) algorithm. Symbol began in the peaks of position)

基于systemview平台，对（7,4）BCH码进行编码和译码，最后得出译码后消息和原消息的BER(Based systemview platform, (7,4) BCH code for encoding and decoding, the conclusion that the BER of the decoded message and the original message)

说明：  实现了polar在BEC信道下的编译码，画出了误码率图像(The encoding and decoding of polar in BEC channel is realized, and the bit error rate image is drawn.)

MIMO信道容量的Matlab仿真程序,瑞利信道,得到的是CDF，即累计分布曲线(Matlab simulation program MIMO channel capacity, Rayleigh channel, get the CDF, and that the cumulative distribution curve)