Lattice-based Wyner-Ziv Coding for Parallel Gaussian Two-Way Relay Channels

Sinda Smirani 1 Mohamed Kamoun 1 Mireille Sarkiss 1 Abdellatif Zaidi 2 Pierre Duhamel 3
1 DIASI - Département Intelligence Ambiante et Systèmes Interactifs
2 LIGM - Laboratoire d'Informatique Gaspard-Monge
3 Division Télécoms et Réseaux - L2S
L2S - Laboratoire des signaux et systèmes : 1289
Abstract : Parallel two-way relay channel models a cooperative communication scenario where a relay helps two terminals to exchange their messages over independent Gaussian channels. For the single channel case, we have shown previously that lattice-based physical layer network coding achieves the same rate as compress-and-forward scheme with a random coding strategy. A direct extension of this lattice-based scheme to parallel Gaussian channel is to repeat the same strategy for each subchannel. However this approach is not scalable with the number of sub-channels since the complexity of the scheme becomes prohibitive when a large number of sub-channels is employed. In this contribution, we investigate a lattice-based physical layer network coding scheme where the relay jointly processes all the sub-channels together. We characterize the rate region allowed by our coding scheme and assess the performance penalty compared to the separate channel processing approach.
Type de document :
Communication dans un congrès
2013 IEEE Wireless Communications and Networking Conference (WCNC), Apr 2013, Shanghai, China. pp.1-5, 2013, 〈10.1109/wcnc.2013.6554937 〉
Liste complète des métadonnées
https://hal-supelec.archives-ouvertes.fr/hal-00805703
Contributeur : Pierre Duhamel <>
Soumis le : jeudi 28 mars 2013 - 16:15:33
Dernière modification le : samedi 6 octobre 2018 - 01:11:35

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Sinda Smirani, Mohamed Kamoun, Mireille Sarkiss, Abdellatif Zaidi, Pierre Duhamel. Lattice-based Wyner-Ziv Coding for Parallel Gaussian Two-Way Relay Channels. 2013 IEEE Wireless Communications and Networking Conference (WCNC), Apr 2013, Shanghai, China. pp.1-5, 2013, 〈10.1109/wcnc.2013.6554937 〉. 〈hal-00805703〉

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