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Blind constrained block-Tucker2 receiver for multiuser SIMO NL-CDMA communication systems

Abstract : In this paper, we propose a deterministic tensor-based approach for joint channel and symbol estimation in the context of multiuser single-input multi-output (SIMO) CDMA communication systems. We use a new nonlinear (NL) coding allowing to obtain a third-order block-Tucker2 model for the signals received by multiple receive antennas, with a constrained structure for the core tensors that ensures the uniqueness of the tensor model. Assuming that the users' code matrices are mutually orthogonal and known at the receiver, we derive a blind algorithm composed of two steps: a separation of users' contributions in the received signals, with decoding, followed by a blind channel and symbol estimation for each user separately. Some simulation results are provided to illustrate the performance of the proposed blind receiver.
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https://hal.archives-ouvertes.fr/hal-00717030
Contributor : Gérard Favier <>
Submitted on : Wednesday, July 11, 2012 - 6:53:42 PM
Last modification on : Thursday, March 5, 2020 - 12:20:25 PM

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  • HAL Id : hal-00717030, version 1

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Gérard Favier, Thomas Bouilloc, André de Almeida. Blind constrained block-Tucker2 receiver for multiuser SIMO NL-CDMA communication systems. Signal Processing, Elsevier, 2012, 92 (7), pp.1624-1636. ⟨hal-00717030⟩

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