Abstract:
We consider multiple (p) users that operate on the same carrier frequency and use the same linear digital modulation format. We consider m>p antennas receiving mixtures o...Show MoreMetadata
Abstract:
We consider multiple (p) users that operate on the same carrier frequency and use the same linear digital modulation format. We consider m>p antennas receiving mixtures of these signals through multipath propagation (equivalently, oversampling of the received signals of a smaller number of antenna signals could be used). We consider conditions on the matrix channel response for the existence of a zero-forcing equalizer (ZFE) (which cancels intersymbol and inter-user interference). In the noise free case, we show how a ZFE can be obtained from linear prediction and the channel matrix itself can also be determined as a byproduct. The problem is one of signal and noise subspaces and we show a convenient way of solving the deterministic maximum likelihood problem using a minimal linear parameterization of the noise subspace. This parameterization is found as a byproduct in the linear prediction problem.<>
Date of Conference: 31 October 1994 - 02 November 1994
Date Added to IEEE Xplore: 06 August 2002
Print ISBN:0-8186-6405-3
Print ISSN: 1058-6393
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1.
L. Tong, G. Xu and T. Kailath, "A New Approach to Blind Identification and Equalization of Multipath Channels", Proc. of the 25th Asilomar Conference on Signals Systems & Computers, pp. 856-860, 1991-Nov.
2.
D. T. M. Slock, "Blind Fractionally-Spaced Equalization Perfect-Reconstruction Filter Banks and Multichannel Linear Prediction", Proc. ICASSP 94 Conf., 1994-April.
3.
D. T. M. Slock and C. B. Papadias, "Blind Fractionally-Spaced Equalization Based on Cyclostationarity", Proc. Vehicular Technology Conf., 1994-June.
4.
T. Kailath, Linear Systems, NJ:Prentice-Hall, 1980.
5.
P.. Loubaton, Egalisation autodidacte multi-capteurs et systèmes multivariables, february 1994.
6.
B. Laheld and J.-F. Cardoso, "Adaptive Source Separation with Uniform Performance", Proc. EUSIPC0-94 SIGNAL PROCESSING VII: Theories and Applications, pp. 183-186, 1994-Sept.-13-16.
7.
S. Talwar, M. Viberg and A. Paulraj, "Blind Estimation of Multiple Co-Channel Digital Signals Using an Antenna Array", IEEE Signal Processing Letters, vol. SPL-1, no. 2, pp. 29-31, Feb. 1994.
8.
P. V. Dooren, "Regularization of Low-Rank Toeplitz and Quasi-Toeplitz Matrices", Proc. 3rd International Workshop on SVD and Signal Processing, 1994-Aug.-22-25.
9.
D. T. M. Slock, "Subspace Techniques in Blind Mobile Radio Channel Identification and Equalization using Fractional Spacing and/or Multiple Antennas", Proc. 3rd International Workshop on SVD and Signal Processing, 1994-Aug.-22-25.
