12493618_EIbPLiNcTreXgYmkQDgYYXpEi

简单的信道编码matlab仿真程序,主要是无噪声信道和高斯噪声信道下的信道仿真。(Simple channel coding matlab simulation program, the main channel is no noise and Gaussian noise channel channel simulation.)

its a useful document about USB2 HOST

说明：  DS-CDMA数字基带传输系统+MATLAB仿真图+程序代码(DS-CDMA digital baseband transmission system + MATLAB simulation diagram + program code)

说明：  8. 单径瑞利信道中的四发四收V-BLAST： (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，测量16QAM调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线。 (2) 计算所设计方案的频谱效率是多少，单位为bit/Hz/s。(8. Four transmit four receive v-blast in single-path Rayleigh channel: (1) please design a specific navigation-assisted channel estimation method and conduct simulation with Simulink to measure the bit error rate performance of 16QAM modulation.The relation curve between the bit signal-noise ratio and the mean square error of channel estimation is drawn, and the relation curve between the bit signal-noise ratio and the bit error rate is drawn. (2) calculate the spectral efficiency of the designed scheme in bit/Hz/s.)

说明：  The whole reuse mode of LTE is simulated systematically, which is a good learning program.

MIMO未知输入观测器的matlab仿真 simulink方法实现(MIMO unknown input observer)

CUM200的中文使用说明书，包含CMU200的大部分实用功能(The Chinese CUM200 instructions)

这个是DFT-S OFDM的接收端平均信噪比PDF和CCDF仿真图(This is the DFT-S OFDM receiving end of the average SNR simulation diagram PDF and CCDF)

TD-LTE下行传输采用了MIMO-OFDM的物理层构架，通过最多4个发射天线并行传输多个（最多4个）数据流，能够有效地提高峰值传输速率。LTE的物理层处理过程中，预编码是其核心功能模块，物理下行共享信道的几种主要传输模式都是通过预编码实现的。(The td-scdma LTE downlink transmission adopted MIMO - OFDM frame, the physical transmission antennas parallel transmission by up to four more (up to 4) data flow, can effectively improve the peak transmission rate.LTE) in the process of the physical layer of precoding is its core function module, several kinds of main physical downlink Shared channel transmission model is achieved by precoding.)

说明：  OFDM系统仿真，分析了AWGN信道和瑞利衰落信道下的ber曲线(The simulation of OFDM system analyzes the BER curves of AWGN channel and Rayleigh fading channel)