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ofdm
- 一个用M文件编写的关于OFDM物理层的仿真，包括了发送和接受端以及基于训练序列的信道估计，能计算误码率-A document prepared by M on the simulation of OFDM physical layer, including the sending and the receiving end as well as the training sequence based channel estimation, the bit error rate can be ca
mimo
- MIMO系统信道估计算法研究 针对LS算法的分析结论所进行的仿真，将根据分析结果，对信噪比的取值、训练序列的长度以及最优训练的选取，分别进行仿真实验。-MIMO systems channel estimation algorithm for the LS algorithm for the analysis of the conclusions of the simulation, the results of the analysis will be based on the signa
midamble
- 用于检测信道的训练序列，包括生成过程及信道估计。-Channel for training sequence detection, including the generation process and channel estimation.
Superimposed-training
- 叠加训练序列的最小二乘信道估计与最小均方误差均衡，QPSK调制，做了4次迭代估计的性能对比。-superimposed training, least squares (LS) channel estimation, MMSE equalizer, QPSK modulation, 4 times iteration.
Inputs
- 实现了OFDM系统在接收端的信道估计和信道均衡的方法，其中考虑了训练序列以及导频的作用-OFDM system is realized at the receiving end of the channel estimation and channel equalization method, wherein the training sequence and considering the effect of the pilot
Main_ch_est01
- 最小二乘无线信道估计与均衡，产生训练序列，信道估计，mse随信噪比变化曲线 -Least Square channel estimation, MMSE curves,BER chart
ab4e923aefe20361aec08d2084462690
- 在超宽带系统中，使用训练序列来进行信道估计，这样可以使得信道估计更加准确。(In ultra wideband systems, channel estimation is performed)
QAM Demodulation
- 进行帧同步的目的是为了得到帧头的位置，以分辨以符号周期为单位的延时。本质上，目的是寻找一个接收端已知的已发送信号的参考信号（即训练序列）以进行后续的如信道估计和信道均衡的操作。有关帧同步的理论有很多，这里只实现一种基于训练序列的相关性质的方法。(The purpose of frame synchronization is to get the position of the frame header to resolve the delay in symbol periods. In esse
trainning_vs_pilot
- 文中在发送数据前先发训练序列和导频序列，在接收端对接收到的信号进行信道估计，再将得到的信道信息来解调我们有用的信号(In this paper, the training sequence and pilot sequence are sent before sending the data, the received signal is estimated at the receiving end, and then the obtained channel information is us