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Hybrid nonlinear moments subspace processing for wireless communication systems using antenna arrays

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1 Author(s)
M. Martone ; Telecommun. Group, Watkins-Johnson Co., Gaithersburg, MD, USA

The use of hybrid nonlinear moments (HNL) is proposed to estimate the multipath channels in a mobile radio communication system using the vector outputs of a multielement receiver. The method we propose uses the outputs of the array to extract noise/signal subspaces and estimate the multiple channels, following the basic idea of Moulines, Duhamel, Cardoso and Mayrargue (see IEEE Trans. Signal Processing, vol.43, no.2, 1995) but exploiting a different statistics. The method is attractive since it does not present the computational complexity exhibited by cumulant-based array processing techniques (for particular choices of the zero memory nonlinear function) and because, being high order statistics based, has the ability to identify non-minimum phase systems

Published in:

Communications, 1996. ICC '96, Conference Record, Converging Technologies for Tomorrow's Applications. 1996 IEEE International Conference on  (Volume:2 )

Date of Conference:

23-27 Jun 1996