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Second-order blind identifiability of certain classes of multipath channels using antenna arrays

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3 Author(s)
Reddy, V.U. ; Indian Inst. of Sci., Bangalore, India ; Papadias, C.B. ; Paulraj, A.J.

Recently, a number of classes of multipath channels which are not blindly identifiable from fractionally spaced samples and second-order cyclic spectra have been presented. In this paper, we consider the blind identification problem of these channels using multiple antennas and show that they will not in general give rise to any common roots among the sub-channels formed from the antennas, and hence, they can be identified from second-order statistics

Published in:

Acoustics, Speech, and Signal Processing, 1997. ICASSP-97., 1997 IEEE International Conference on  (Volume:5 )

Date of Conference:

21-24 Apr 1997