Error Rate Analysis and Optimal Power Allocation in Multiple Access Relay Channels with Analog Network Coding

Konstantinos Ntontin 1 Marco Di Renzo 2 Perez–neira A. Christos Verikoukis 1
1 CTTC - Centre Tecnològic de Telecomunicacions de Catalunya
2 Division Télécoms et Réseaux - L2S
L2S - Laboratoire des signaux et systèmes : 1289
Abstract : In this paper, we examine multi-source multi-relay systems that employ Analog Network Coding for which we provide a two-fold contribution: i) We derive a closed-form upper bound of the average symbol error rate (SER) per source of the system, which is shown to be tight in the high-Signal-to-Noise Ratio (SNR) region, especially for an adequate number of relays, and ii) based on this bound, for a given total power budget to be distributed among the source and relay nodes we formulate the power allocation optimization problem with the aim of minimizing the SER per source. Results show that for a common target SER among the sources, an increase in their number results in an increase in the expected energy gains over the equal power allocation for all the nodes policy.
Type de document :
Communication dans un congrès
IEEE International Conference on Communications (ICC 2014), Jun 2014, Sydney, Australia. Proceedings of the IEEE International Conference on Communications, pp.3559 - 3563, 〈10.1109/ICC.2014.6883873〉
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https://hal-supelec.archives-ouvertes.fr/hal-01104393
Contributeur : Wei Lu <>
Soumis le : vendredi 16 janvier 2015 - 16:08:28
Dernière modification le : lundi 8 octobre 2018 - 16:21:19

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Konstantinos Ntontin, Marco Di Renzo, Perez–neira A., Christos Verikoukis. Error Rate Analysis and Optimal Power Allocation in Multiple Access Relay Channels with Analog Network Coding. IEEE International Conference on Communications (ICC 2014), Jun 2014, Sydney, Australia. Proceedings of the IEEE International Conference on Communications, pp.3559 - 3563, 〈10.1109/ICC.2014.6883873〉. 〈hal-01104393〉

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