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Communication dans un congrès

Analytical performance analysis for blind quantum source separation with time-varying coupling

Yannick Deville 1 Alain Deville 2 Simon Rebeyrol 1 Ali Mansour 3, 4
3 Lab-STICC_ENSTAB_CACS_COM
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance
4 Pôle STIC_IDM
ENSTA Bretagne - École Nationale Supérieure de Techniques Avancées Bretagne
Abstract : Classical, i.e. non-quantum, blind source separation (BSS) methods estimate unknown source signals by using only mixed signals obtained by transferring these source signals through a mixing transform, which typically has unknown parameter values. We developed quantum versions of BSS, in which the mixing parameter values almost always remained fixed over time. We here show that rapidly varying mixing is much more complex to handle, because unknown quantum states cannot be cloned, i.e. copied. We avoid this issue thanks to a specific separating system based on a master-slave structure. We provide an original analytical analysis of the performance of that structure, depending on the mismatch between its master and slave inverting blocks.
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https://hal.archives-ouvertes.fr/hal-01708026
Contributeur : Claude Morvan <>
Soumis le : mardi 13 février 2018 - 11:55:23
Dernière modification le : jeudi 15 octobre 2020 - 03:36:35

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  • HAL Id : hal-01708026, version 1

Citation

Yannick Deville, Alain Deville, Simon Rebeyrol, Ali Mansour. Analytical performance analysis for blind quantum source separation with time-varying coupling. 23rd Asia-Pacific Conference on Communications (APCC), Curtin University; The University of New South Wales, Dec 2017, Perth, Australia. ⟨hal-01708026⟩

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