Subspace projection based blind channel order estimation of MIMO systems

Authors:
D. Kotoulas;P. Koukoulas;N. Kalouptsidis
Affiliations:
Dept. of Access Network Planning, Div. of Telecommun. Network Planning, Athens, Greece;-;-
Venue:
IEEE Transactions on Signal Processing
Year:
2006

Citing 0
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Subspace based blind identification of LTI FIR MIMO systems and equalization of finite memory SIMO Volterra systems

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Abstract

In this paper, a novel algorithm based on subspace projections is developed for blindly estimating the discrete orders of a linear finite-impulse-response (FIR) multiple-input multiple-output (MIMO) system, the number of subsystems that attain each order as well as the total number of inputs. Furthermore, the proposed algorithm applies to single-input multiple-output (SIMO) system order estimation. Simulations in the context of blind channel order estimation show good performance in comparison to existing schemes developed for SIMO systems.