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线形内插在MIMO OFDM上的实现,包括格拉斯曼域的仿真-linear interpolation in the MIMO OFDM achieve, including Grassmannian domain simulation
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该程序给出了OFDM系统中关于内插的测试过程的Matlab代码-Matlab codes about interpolation test process in OFDM systems are presented
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这个程序除了接收机同步、信道编码没有加入外,基本上反映了一个OFDM系统的特性:
1. qpsk/16qam/64qam映射、解映射
2. OFDM调制解调(循环前缀,FFT等)
3. 非整数采样时刻多径时延的多径信道
4. Rayleigh或者Rician多径信道
5. 信道的连续时变(非block fading)
6. 线性插值信道估计
7. FFT变换域插值信道估计-In addition to this program receiver synchroniza
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OFDM信道估计,该文件夹包括19个M文件,包括误码率检测,插值计算,瑞利信道等-OFDM channel estimation, the folder includes 19 M files, including bit error rate detection, interpolation, Rayleigh channel, etc.
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OFDM信号的导频的插入包含LS,LMMSE,线性插值等-OFDM pilot signal insertion include LS, LMMSE, linear interpolation
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中文摘要
正交频分复用( OFDM , Orthogonal Frequency Division
Multiplexing)是当前一种非常热门的通信技术。它即可以被看作是一种
调制技术,也可以被看作是一种复用技术。由于它具有抗多径衰落和频谱
利用率高的特点,因此被广泛应用于高速数字通信领域,比如应用于IEEE
802.11a无线局域网(WLAN)的物理层等等。
我的毕业设计的核心任务是:采用 FPGA 来实现一个基于OFDM 技术
的通信系统中的基带数据处
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此程序是在MIMO-OFDM系统中,利用角度域进行信道估计,选用DFT的插值方法进行!希望对研究角度域信道估计的人有所帮助!-This procedure is in the MIMO-OFDM system, using the angle domain channel estimation, the selection of DFT interpolation method! I hope to study angle domain channel estimation of some he
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一个OFDM符号128个有效符号,插入128个虚拟子载波
符号率(即有效数据率)fsymbol,而发送速率(需要包括虚拟子载波)2fsymbol
输入的数据需要2倍的发送数据率,以便进行内插,实现位定时跟踪,即4倍fsymbol采样率的调制信号
OFDM symbol Nfft=128 points
一个OFDM符号数据点 Nfft*2 = 256 , Guard Interval点 =Ng*2=64
-128 of an OFDM symbol of a val
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卡尔曼滤波器进行信道估计的一篇文章,适用于OFDM-MIMO系统。-Kalman filter for channel estimation in an article for OFDM-MIMO systems.
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Gaussian Approximation Based Interpolation for
Channel Matrix Inversion in
MIMO-OFDM Systems
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Pilot Based Estimation in OFDM system which discusses the comb estimation technique and the interpolation used
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Channel estimation techniques for OFDM systems based on a pilot arrangement are investigated. Channel estimation based on a comb type pilot arrangement is studied through different algorithms for both estimating the channel at pilot frequencies and i
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快速扩展随机生成树算法,MIMO OFDM matlab仿真,与理论分析结果相比,插值与拟合,解方程,数据分析,在matlab R2009b调试通过。- Rapid expansion of random spanning tree algorithm, MIMO OFDM matlab simulation, Compared with the results of theoretical analysis, Interpolation and fitting, solution of equ
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详细画出了时域和频域的相关图,是一种双隐层反向传播神经网络,有借鉴意义哦,在matlab R2009b调试通过,搭建OFDM通信系统的框架,基于kaiser窗的双谱线插值FFT谐波分析,非归零型差分相位调制信号建模与仿真分析 。- Correlation diagram shown in detail the time domain and frequency domain, Is a two hidden layer back propagation neural network, There
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ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块,插值与拟合,解方程,数据分析,LZ复杂度反映的是一个时间序列中。- ofdm system simulation including 16qam modulation fft windowing modules plus cp, Interpolation and fitting, solution of equations, data analysis, LZ complexity is reflected in a time s
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There are detailed notes, Modern signal processing used in the spectral estimation in matlab, Interpolation and fitting matlab implementation.
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