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ofdm method reduce PAPR for 4G wireless

Reduce PAPR of ofdmA method for wireless 4G. design ofdmA and reduce PAPR with methot inprove performance...
  Matlab        Matlab     

MIMO and ofdm in the wireless systems

The use of multiple antennas at both ends of a wireless link (MIMO technology) holds the potential to drastically improve the spectral eciency and link reliability in future wireless communications systems. A particularly promising candidate for next-generation xed and mobile wireless systems i...
  Matlab        Matlab     

ofdm transmitter

This program gives the matlab code for performing implementation of ofdm transmitter. ofdm transmitter is designed and implemented....
  Communication        Matlab     

Adaptive Resource Allocation in Multiuser ofdm Systems with Proportional Rate Constraints

Multiuser orthogonal frequency division multiplexing (MU-ofdm) is a promising technique for achieving high downlink capacities in future cellular and wireless LAN systems. The sum capacity of MU-ofdm is maximized when each subchannel is assigned to the user with the best channel-tonoise ratio for...
  Matlab        Matlab     

正交多载波调制 ofdm

ofdm 是一种无线环境下的高速传输技术 本文件是对正交多载波调制 ofdm 做的 MATLAB 的仿真...
  Matlab        Matlab     

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     

perfect ofdm

this is a perfect file that tests ofdm symbols in different  channel models and different modulation index...
  Matlab        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     

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