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

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

It is shown that hybrid nonlinear (HKL) moments matrices can be used to identify a multichannel FIR system. The method outperforms the popular subspace method based on second-order statistics in low SNR and/or correlated noise, and it is fundamentally equivalent in terms of computational complexity. The method is applied to the channel identification problem in a cellular base-station receiver employing antenna arrays

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Signal Processing, IEEE Transactions on  (Volume:47 ,  Issue: 5 )