Analysis of pilot-aided channel estimation with optimal leakage suppression for OFDM systems
This letter analyzes the effect of the leakage on the mean square error (MSE) performance of
the pilot-aided channel estimator using discrete Fourier transform (DFT)-based interpolation …
the pilot-aided channel estimator using discrete Fourier transform (DFT)-based interpolation …
Analysis of DFT-based channel estimation for uplink massive MIMO systems
H Wu, Y Liu, K Wang - IEEE Communications Letters, 2017 - ieeexplore.ieee.org
To reduce the edge effect in discrete Fourier transform-based channel estimation, various
schemes have been proposed to estimate the channel response at the non-allocated …
schemes have been proposed to estimate the channel response at the non-allocated …
Low-complexity enhanced DFT-based channel estimation for OFDM systems with virtual subcarriers
X Hou, Z Zhang, H Kayama - 2007 IEEE 18th International …, 2007 - ieeexplore.ieee.org
Traditional discrete Fourier transform (DFT) based channel estimation will suffer from
significant performance degradation due to the edge effect in practical orthogonal frequency …
significant performance degradation due to the edge effect in practical orthogonal frequency …
Improved DFT-based channel estimation for OFDM systems with null subcarriers
We propose two new techniques to mitigate the" edge effect" of the traditional Discrete
Fourier Transform (DFT) based channel estimator for OFDM systems with Null subcarriers …
Fourier Transform (DFT) based channel estimator for OFDM systems with Null subcarriers …
An enhanced DFT-based channel estimation using virtual interpolation with guard bands prediction for OFDM
In this paper, we investigate the conventional windowed DFT-based channel estimation for
OFDM systems with guard bands. The conventional method suffers from the edge effect and …
OFDM systems with guard bands. The conventional method suffers from the edge effect and …
Channel estimation method of an orthogonal frequency division multiplexing system and receiving apparatus
HUA Meng, G Wu, B Tang, S Jiao - US Patent 8,335,270, 2012 - Google Patents
BACKGROUND An OFDM technology is a high-speed multi-carrier trans mission technology
capable of effectively resisting Inter Symbol Interference (ISI). Being different from a conven …
capable of effectively resisting Inter Symbol Interference (ISI). Being different from a conven …
Smooth edge distortion in broadband channel interpolation via virtual pilot extrapolation
ML McCloud, BC Banister - US Patent 8,611,340, 2013 - Google Patents
In the basic transform domain (linear filtering interpolation) technique for channel estimation
at the receiver in a wireless communication system, the improvement of providing chan nel …
at the receiver in a wireless communication system, the improvement of providing chan nel …
An ISFA-combined pilot-aided channel estimation scheme in multiband orthogonal frequency division multiplexing ultra-wideband over fiber system
J He, T Li, X Wen, M Chen… - 2015 IEEE Symposium on …, 2015 - ieeexplore.ieee.org
In this paper, an intra-symbol frequency-domain averaging (ISFA)-combined pilot-aided
channel estimation scheme is proposed and investigated in investigated in intensity …
channel estimation scheme is proposed and investigated in investigated in intensity …
[PDF][PDF] 空载波对STBC-OFDM 系统信道估计性能的影响分析与改进
王轶, 陶小峰, 张平 - 电子与信息学报, 2009 - edit.jeit.ac.cn
该文分析了空时分组码-正交频分复用(STBC-OFDM) 系统中, 空载波对基于离散傅里叶变换(
DFT) 信道估计的性能影响, 推导得出空载波影响下信道估计均方误差及误码率的解析式 …
DFT) 信道估计的性能影响, 推导得出空载波影响下信道估计均方误差及误码率的解析式 …
Doubly-selective channel estimation for packet OFDM systems with virtual subcarriers
X Hou, Z Zhang, H Kayama - 2008 IEEE 68th Vehicular …, 2008 - ieeexplore.ieee.org
Channel estimation based on two-dimensional discrete-time Fourier transform interpolation
(2D-DFTI) is suitable for orthogonal frequency division multiplexing (OFDM) systems …
(2D-DFTI) is suitable for orthogonal frequency division multiplexing (OFDM) systems …