code80216d.rar - matlab oode for 802.16 standard,2016-12-20 23:48:34,下载2次
wimax.rar - wimax model in matlab,2016-12-20 23:37:28,下载6次
How-start.rar - ebook on how to start,2016-12-20 23:35:55,下载1次
wimax.rar - Wimax standard simulink file,2016-12-20 23:31:21,下载5次
mmse_mpsk.rar - MMSE in matlab. simulink file,2016-12-20 23:29:57,下载4次
fm_modulate_direct.zip - best Frequency Modulation
Analog_Frequency_Modulation.rar - Analog Frequency Modulation
Analog-Phase-Modeulation.zip - analog pahe Modulation Scheme
ModulationAMFMPM.rar - AMplitude, Frecuency and Phase Modulation with Matlab
PhaseModulation-Demodulation.rar - Phase Modulation and Demodulation
modupm.rar - Phase Modulation for Matlab
Phase_Modulation_and_Demodulation.zip - Phase Modulation and Demodulation
OFDM.rar - 本文首先概述了OFDM 的原理、特征和关键技术，介绍了系统需要的几种同步。然后就同步误差对系统性能的影响进行了简单的分析，表明定时偏差和采样频率偏差将会引入码间干扰，载波频率偏差导致载波间干扰的发生。因此，在OFDM系统接收机中定时的确定、载波频率偏差和采样频率偏差的纠正是信号恢复的关键。之后对OFDM系统同步的几种实现方法进行了介绍，分析了各同步方法的性能。
MSE.zip - 分析了相位噪声对正交频分复用(OFDM)系统的影响,发现相位噪声不仅产生 通用相角错误(CPE),而且还会产生载波间干扰(ICI),这都使OFDM系统的性能急剧恶 化,因此必须对CPE和ICI进行校正.文中给出了基于MSE准则的CPE校正方法,考虑到 ICI干扰主要来源于相邻信道,进而提出了基于LMS法则的自适应相邻信道干扰消除方 法.整个算法简单高效.仿真结果表明,所提出的算法大大改善了OFDM系统的性能
ofdmDraft.rar - The loss of sub channel orthogonality leads to inter-carrier interference (ICI). Using many algorithms for
channel estimation, we will show
new_ici.rar - this is all about ici method and ofdm system using main algo.....................
CFO1_CFO2_.rar - 不同信道CFO的选择，如何得到ICI 的cancellation的效果
SNRlossduetofrequencyoffsetinOFDMmodulation.rar - Inter Carrier Interference (ICI) in OFDM due to frequency offset
ici1.rar - 利用ICI self-cancellation method自我相消的方法使用在OFDM系統,AWGN通道看出在不同頻率偏移下ICI相消係數權重的大小
OFDM_QPSK_matlab.rar - ofdm ici self cancelation fah imp
OFDM_ICI_self_cancellation.rar - uising different ICI self-cancellation scheme to see its performance
final-review.rar - Multiple input multiple output orthogonal frequency division multiplexing (MIMO-OFDM) is very sensitive to the carrier frequency offset (CFO), which not only affects the channel estimation but also the selection of a minimum error probability based precoder for peak-to-average power ratio (PAPR) reduction such that the system performance will degrade. This paper presents the joint scheme of CFO) and channel estimation in the MIMO-OFDM systems with the minimum error probability based precoder for reducing PAPR. We provide the solution to eliminate the effects of ICI due to CFO mismatch for OFDM with space frequency block codes and spatial multiplexing, drive a generalized linear model and propose a non-iterative reduced complexity model.
estimation.rar - Orthogonal Frequency Division Multiplexing (OFDM)
systems are more sensitive to timing and frequency offsets than
single carrier systems. This Paper presents a method of joint time
and frequency synchronization for OFDM systems. The
synchronization technique is examined in both AWGN and
multipath fading environments. Compared with conventional
schemes, the proposed schemes can achieve smaller mean and mean
square error (MSE) obtained by simulations.
BCFO.rar - We address the problem of blind carrier frequency-offset (CFO) estimation in quadrature amplitude modulation,
phase-shift keying, and pulse amplitude modulation
communications systems.We study the performance of a standard
CFO estimate, which consists of first raising the received signal to
the Mth power, where M is an integer depending on the type and
size of the symbol constellation, and then applying the nonlinear
least squares (NLLS) estimation approach. At low signal-to noise
ratio (SNR), the NLLS method fails to provide an accurate CFO
estimate because of the presence of outliers. In this letter, we derive
an approximate closed-form expression for the outlier probability.
This enables us to predict the mean-square error (MSE) on CFO
estimation for all SNR values. For a given SNR, the new results
also give insight into the minimum number of samples required in
the CFO estimation procedure, in order to ensure that the MSE
on estimation is not significantly affected by the outliers.
ML_CFO.rar - ML (maximum likelihood estimation) algorithm for OFDM frequency offset estimation in multi carrier communication