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| HAL : hal-00717394, version 1 |
| Fiche détaillée |  Récupérer au format |
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| SPAWC 2012 : 13th IEEE International Workshop on Signal Processing Advances in Wireless Communications, Çeşme : Turkey (2012) |
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| Performance of Turbo Product Codes on the Multiple-Access Relay Channel with Relatively Poor Source-Relay Links |
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| Yizhi Yin 1, 2Ramesh PYNDIAH 1, 2 |
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| (2012) |
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| In this paper, we study a cooperative coding scheme based on turbo product codes where a number of sensors transmit to a same destination with the help of a relay. This network can be modeled by a multiple-access relay channel (MARC). In the proposed scheme, the relay applies algebraic systematic Network Coding to the source codewords and forwards only the additional redundancy to the destination where an overall product codeword is observed. Based on the single-relay scenario that has been studied in a previous paper, we analyze the error probabilities at the relay input and output for different relay strategies. Taking into account the residual errors at the relay, an appropriate loglikelihood ratio is used at the destination by the turbo decoder. The error performance under the degraded source-relay channel condition is shown on the Rayleigh fading channel. Besides that, we analyze the error correlation in the relay-generated redundancy and investigate the benefits of using multi-relay cooperation. Different cooperation schemes are compared in terms of performance, complexity and energy consumption. |
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| 1 : | Département Signal et Communications (SC) |
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Institut Mines-Télécom – Télécom Bretagne – PRES Université Européenne de Bretagne [UEB] |
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| 2 : | Chimie et biochimie pharmacologiques et toxicologiques (CBPT) |
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CNRS : IFR95 – Université Paris V - Paris Descartes |
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| Lab-STICC_TB_CACS_COM |
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| Domaine | : | Mathématiques/Théorie de l'information et codage Informatique/Théorie de l'information et codage |
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| Turbo product codes – cooperative communications – network coding – Rayleigh channel – sensor network |
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| Liste des fichiers attachés à ce document : | |||||
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| hal-00717394, version 1 | |
| http://hal.archives-ouvertes.fr/hal-00717394 | |
| oai:hal.archives-ouvertes.fr:hal-00717394 | |
| Contributeur : Bibliothèque Télécom Bretagne | |
| Déposé pour le compte de : | |
| Soumis le : Jeudi 12 Juillet 2012, 16:26:41 | |
| Dernière modification le : Jeudi 12 Juillet 2012, 16:44:29 | |
