Softcast with per-carrier power-constrained channels

Shuo Zheng 1 Marc Antonini 2 Marco Cagnazzo 3 Lorenzo Guerrieri 4 Michel Kieffer 5 Irina Delia Nemoianu 3 Roger Samy 6 Bo Zhang 4
1 TSI (TelecomParisTech)
TSI - Département Traitement du Signal et des Images
5 Division Télécoms et réseaux
L2S - Laboratoire des signaux et systèmes, IUF - Institut Universitaire de France, LTCI - Laboratoire Traitement et Communication de l'Information
Abstract : This paper considers the Softcast joint source-channel video coding scheme for data transmission over parallel channels with different power constraints and noise characteristics, typical in DSL or PLT channels. To minimize the mean square error at receiver, an optimal precoding matrix design problem has to be solved, which requires the solution of an inverse eigenvalue problem. Such solution is taken from the MIMO channel precoder design literature. Alternative sub-optimal precoding matrices are also proposed and analyzed, showing the efficiency of the optimal precoding matrix within Softcast, which provides gains increasing with the encoded video quality.
Type de document :
Communication dans un congrès
IEEE International conference on Image Processing, Sep 2016, Phoenix, AZ, United States. pp.2122-2126, 2016, Image Processing (ICIP), 2016 IEEE International Conference on. <10.1109/ICIP.2016.7532733>
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Contributeur : Michel Kieffer <>
Soumis le : vendredi 6 janvier 2017 - 16:28:59
Dernière modification le : samedi 18 février 2017 - 01:20:41

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Shuo Zheng, Marc Antonini, Marco Cagnazzo, Lorenzo Guerrieri, Michel Kieffer, et al.. Softcast with per-carrier power-constrained channels. IEEE International conference on Image Processing, Sep 2016, Phoenix, AZ, United States. pp.2122-2126, 2016, Image Processing (ICIP), 2016 IEEE International Conference on. <10.1109/ICIP.2016.7532733>. <hal-01424906>

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