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Adaptive antenna array using real symmetric array covariance matrix

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2 Author(s)
Kim, K. ; Centre for Commun. Syst. Res., Surrey Univ., Guildford, UK ; Saunders, S.R.

A novel scheme using a real symmetric array covariance matrix for an adaptive antenna array in DS/CDMA is proposed. A real symmetric array covariance matrix is estimated from a complex array covariance matrix using a unitary transformation and Toeplitz matrix approximation methods. The Hermitian Toeplitzation method not only estimates a persymmetric matrix form for a real symmetric array covariance matrix but also enhances the performance of the received signal by removing the undesired effect obtained from a complex array covariance matrix. Simulation results demonstrate the effectiveness of the proposed scheme

Published in:

Electronics Letters  (Volume:37 ,  Issue: 7 )