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ISCAS
2003
IEEE
139views Hardware» more  ISCAS 2003»
14 years 1 months ago
A subspace method for channel estimation of multi-user multi-antenna OFDM system
A subspace based blind method is proposed for estimating the channel responses of a multi-user and multi-antenna OFDM uplink system. It gives estimations to all channel responses,...
Yonghong Zeng, Tung-Sang Ng
ISNN
2005
Springer
14 years 1 months ago
A Block-Adaptive Subspace Method Using Oblique Projections for Blind Separation of Convolutive Mixtures
This paper presents a block-adaptive subspace algorithm via oblique projection for blind source separation (BSS) problem of convolutive mixtures. In the proposed algorithm, the pro...
Chunyi Peng, Xianda Zhang, Qutang Cai
TSP
2010
13 years 3 months ago
Sparse channel estimation for multicarrier underwater acoustic communication: from subspace methods to compressed sensing
Abstract--In this paper, we investigate various channel estimators that exploit channel sparsity in the time and/or Doppler domain for a multicarrier underwater acoustic system. We...
Christian R. Berger, Shengli Zhou, James C. Preisi...
CVPR
1996
IEEE
14 years 10 months ago
Epipolar Geometry and Linear Subspace Methods: A New Approach to Weak Calibration
This paper addresses the problem of estimating the epipolar geometry from point correspondences between two images taken by uncalibrated perspective cameras. It is shown that Jeps...
Jean Ponce, Yakup Genc
ICCV
1999
IEEE
14 years 10 months ago
Removal of Translation Bias when using Subspace Methods
Given estimates of the motion eld optic ow from an image sequence, it is possible to recover translational direction, ~T, using a variety of techniques. One such technique, known ...
W. James MacLean