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ICC
2007
IEEE
160views Communications» more  ICC 2007»
10 years 2 months ago
Robust Statistics Based Expectation-Maximization Algorithm for Channel Tracking in OFDM Systems
— Decision directed channel tracking (DDCT) at high fade rates in OFDM based systems is addressed in this paper. Existing DDCT algorithms like the expectation-maximization (EM) a...
Sheetal Kalyani, Krishnamurthy Giridhar
VTC
2010
IEEE
158views Communications» more  VTC 2010»
9 years 6 months ago
Joint Channel Impulse Response and Noise-Variance Estimation for OFDM/SDMA Systems Based on Expectation Maximization
Abstract—A joint channel impulse response (CIR) and noisevariance estimation scheme is proposed for multi-user MultipleInput-Multiple-Output (MIMO) Orthogonal Frequency-Division ...
Jiankang Zhang, Xiaomin Mu, Lajos Hanzo
VTC
2008
IEEE
150views Communications» more  VTC 2008»
10 years 2 months ago
Iterative Residual Frequency Offset Correction for OFDM Systems
The estimation and tracking of the fractional carrier frequency offset (CFO) is a crucial issue in the implementation of orthogonal frequency division multiplexing (OFDM) systems....
Mohamed Marey, Mamoun Guenach, Heidi Steendam
VTC
2006
IEEE
121views Communications» more  VTC 2006»
10 years 2 months ago
Estimation of the Channel-Impulse-Response Length for Adaptive OFDM Systems Based on Information Theoretic Criteria
Abstract—This paper proposes a new scheme based on information theoretical criteria to estimate the Channel-ImpulseResponse (CIR) length, whose accurate estimate represents one o...
Ali Aassie Ali, Van-Duc Nguyen, Kyandoghere Kyamak...
ICC
2007
IEEE
153views Communications» more  ICC 2007»
10 years 2 months ago
A Novel Blind Channel Estimation for CP-Based MIMO OFDM Systems
— In this paper, we consider the problem of blind channel estimation for multi-input, multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems via second ord...
Feifei Gao, Wenyuan Wu, Yonghong Zeng, Arumugam Na...
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