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TWC
2010
9 years 6 months ago
CFO estimation in OFDM systems under timing and channel length uncertainties with model averaging
In this letter, we investigate the problem of CFO estimation in OFDM systems when the timing offset and channel length are not exactly known. Instead of explicitly estimating the t...
Kun Cai, Xiao Li, Jian Du, Yik-Chung Wu, Feifei Ga...
TSP
2010
9 years 6 months ago
A low complexity blind estimator of narrowband polynomial phase signals
Consider the problem of estimating the parameters of multiple polynomial phase signals observed by a sensor array. In practice, it is difficult to maintain a precisely calibrated a...
Alon Amar, Amir Leshem, Alle-Jan van der Veen
TSP
2010
9 years 6 months ago
Shrinkage algorithms for MMSE covariance estimation
We address covariance estimation in the sense of minimum mean-squared error (MMSE) when the samples are Gaussian distributed. Specifically, we consider shrinkage methods which are ...
Yilun Chen, Ami Wiesel, Yonina C. Eldar, Alfred O....
TSP
2010
9 years 6 months ago
A new parametric GLRT for multichannel adaptive signal detection
A parametric generalized likelihood ratio test (GLRT) for multichannel signal detection in spatially and temporally colored disturbance was recently introduced by modeling the dist...
Pu Wang, Hongbin Li, Braham Himed
TSP
2010
9 years 6 months ago
Nonparametric detection of signals by information theoretic criteria: performance analysis and an improved estimator
Determining the number of sources from observed dataisafundamentalprobleminmanyscientificfields.Inthispaper we consider the nonparametric setting, and focus on the detection perfor...
Boaz Nadler
TSP
2010
9 years 6 months ago
Closed-form MMSE estimation for signal denoising under sparse representation modeling over a unitary dictionary
This paper deals with the Bayesian signal denoising problem, assuming a prior based on a sparse representation modeling over a unitary dictionary. It is well known that the maximum...
Matan Protter, Irad Yavneh, Michael Elad
TON
2010
87views more  TON 2010»
9 years 6 months ago
Measuring Transmission Opportunities in 802.11 Links
Abstract-- We propose a powerful MAC/PHY cross-layer approach to measuring 802.11 transmission opportunities in WLAN networks on a per-link basis. Our estimator can operate at a si...
Domenico Giustiniano, David Malone, Douglas J. Lei...
TCOM
2010
81views more  TCOM 2010»
9 years 6 months ago
Linear MMSE Estimation of Large-Magnitude Symmetric Levy-Process Phase-Noise
The linear minimum-mean-square error (LMMSE) estimator is herein derived to estimate phase-noise of Levy statistics (including Wiener phase-noise) and of arbitrarily large magnitud...
Yeong-Tzay Su, Kainam Thomas Wong, Keang-Po Ho
SMA
2010
ACM
200views Solid Modeling» more  SMA 2010»
9 years 6 months ago
Influence functions of the Spearman and Kendall correlation measures
Abstract Nonparametric correlation estimators as the Kendall and Spearman correlation are widely used in the applied sciences. They are often said to be robust, in the sense of bei...
Christophe Croux, Catherine Dehon
MCFNS
2010
88views more  MCFNS 2010»
9 years 6 months ago
The role of misclassification in estimating proportions and an estimator of misclassification
Dot grids are often used to estimate the proportion of land cover belonging to some class in an aerial photograph. Interpreter misclassification is an often-ignored source of error...
Patrick L. Zimmerman, Greg C. Liknes
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