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Analysis of a subspace channel estimation technique for multicarrier CDMA systems

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4 Author(s)
Escudero, C.J. ; Dept. de Electron. y Sistemas, La Coruna Univ., Spain ; Iglesia, D.I. ; Bugallo, M.F. ; Castedo, L.

In this paper we investigate a blind channel estimation method for multicarrier CDMA systems that uses a subspace decomposition technique. This technique exploits the orthogonality property between the noise subspace and the received user codes to obtain a channel identification algorithm. In order to analyze the performance of this algorithm, we derived a theoretical expression of the estimation MSE using a perturbation approach. This expression is compared with the numerical results of some computer simulations to illustrate the validity of the analysis

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Statistical Signal and Array Processing, 2000. Proceedings of the Tenth IEEE Workshop on

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