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ofdm简单系统仿真

一个ofdm系统的简单仿真,主要是为了描述信号产生,通过信道,以及通过信道前后分别进行傅里叶反变换和正变换的过程。加深对ofdm系统的理解。同时绘制峰均比和误码率曲线,方便进行后续改进(如峰均比的控制)。...
  Matlab        Matlab     

Simple 60-GHz MB-ofdm Ultrawideband RoF System Based on Remote Heterodyning

This is a PDF file for referrence about reseaching  radio-over-fiber system. A simple 60-GHz radio-over-fiber system employing a combination of uncorrelated optical heterodyning and envelope detection is proposed and experimentally demonstrated. At the central office, a mul...
  File Formats        PDF     

ofdm in MIMO systems

this is a Matlab code for implementation Orthogonal Frequency-Division Multiplexing (ofdm) in Multi-Input Multi-Output (MIMO) systems....
  Communication        Matlab     

ber calculation of bpsk signal using ofdm

A BPSK signal is transmitted using ofdm.BER is calculated. Simulated BER and theoritical BER is then compared....
  Communication        Matlab     

ofdm matched filter

基于Matlab的正交频分复用波形的仿真程序,由于不同频率的波形相互正交,即不相关,因此在一次脉冲处理中N个接收天线接收N*N个数据,对这些数据的联合处理将能显著提高目标检测性能。...
  Matlab        Matlab     

BPSK Modulation for ofdm System

this is a program that defines the the mimo-ofdm system usinf the bpsk modulation. it provives the end graph with theory and simulation results....
  Matlab        Matlab     

ofdm系统中DAC/ADC采样时钟偏差(SFO) 的研究

针对采样频偏对正交频分复用的系统的影响,建立了数学模型,进行了详细分析。在sfo补偿和未补偿分别经过仿真,从星座图、误码率(Bit-Error-Rate,BER)、和信噪比(Signal-to-NoisRatio,SER)等损失等角度对采样频偏的影响做了揭示...
  Matlab        Matlab     

ofdm Basic

basic ofdm (Orthogonal frequency division modulation )algorithme for communication systems as GPP LTE ...
  Matlab        Matlab     

MIMO ofdm 2x2 CHANNEL ESTIMATOR USING MMSE for WLAN 802.11n

Channel estimator MIMO ofdm 2x2, You can change the modulation using index 1-5,Rayleigh channel CE using MMSE...
  Matlab        Matlab     

ofdm Coding Techniques for Channel Estimation

Abstract- The channel estimation techniques for ofdm systems based on pilot arrangement are investigated. The channel estimation based on comb type pilot arrangement is studied through different algorithms for both estimating channel at pilot frequencies and interpolating the channel. The estima...
  Matlab        Matlab     

simple ofdm

%    BPSK signal constellation %   have 64 data points %   size of each ofdm block %   length of cyclic prefix %   8 points for the FFT/IFF  Generate 1 x 64 vector of random data points...
  Communication        Matlab     

注水算法优化多跳ofdm资源分配

对多跳中继ofdm系统进行子载波和时隙的优化分配,提高信道容量,主要用了注水算法,求最优解。几年前的写的,可能不能运行了,改一下就好了...
  Matlab        Matlab     

MIMO_ofdm仿真代码

这是一个基于空时分组编码的MIMO_ofdm通信系统的仿真设计。此系统包括QPSK调制解调,IFFT调制,空时编解码,基于训练符号的信道估计等通信模块。...
  通信        Matlab     

ofdm papr ratio

ofdm Code No.of Carriers: 64 coding used: Convolutional coding Single frame size: 96 bits Total no. of Frames: 100 Modulation: 16-QAM No. of Pilots: 4 Cylic Extension: 25%(16)...
  Image Processing        Matlab     

Nonlinear Companding Transform for Reduction of Peak-to-Average Power Ratio in ofdm Systems

Nonlinear Companding Transform for Reduction of Peak-to-Average Power Ratio in ofdm Systems...
  Matlab        Matlab     

简单的ofdm系统,采用QPSK调制

这个代码可以简洁的描述一个ofdm通信系统,适合初学者对照系统框图理解。...
  Matlab        Matlab     

ofdm channel estimation

ofdm channel estimation techniques pppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp...
  Matlab        Matlab     

ofdm的matlab实现

利用matlab实现ofdm算法,其中包含调制解调,计算信噪比,利用QAM进行调制,进行误码率统计,并且BER曲线绘制以及峰均比CCDF曲线部分...
  Matlab        Matlab     

降低ofdm中papr的方法slm的matlab源码

data=circshift(data,[4 0]); function b = circshift(a,p) %CIRCSHIFT Shift array circularly. %   B = CIRCSHIFT(A,SHIFTSIZE) circularly shifts the values in the array A % ...
  Matlab        Matlab     

PSO algorithm based resource allocation for ofdm based Cognitive Radio

Now a days particle swarm algorithm (PSO) is getting so much popularity to allocated resource in engineering and scientific analysis.  In this project, a Matlab code is written for PSO algorithm based resource allocation for ofdm based Cognitive Radio. the input power is consi...
  Algorithm        Matlab     

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