Blind Channel Identification in Alamouti Coded Systems: A Comparative Study of Eigendecomposition Methods in Indoor Transmissions at 2.4 GHz

Abstract : This paper focuses on blind channel estimation in Alamouti coded systems with one receiving antenna working in indoor scenarios where the flat fading assumption is reasonable. A comparative study of several channel estimation techniques in both simulated and realistic scenarios is presented. The tested methods exploit the orthogonality property of the Alamouti coded channel matrix, and are based on the eigendecomposition of a square matrix made up of second-order statistics (SOS) or higher order statistics (HOS) of the observed signals. An experimental evaluation is carried out on a testbed developed at the University of A Coruña (UDC) and operating at 2.4 GHz. The results show the superior performance of the SOS-based blind channel estimation technique in both line of sight (LOS) and non-LOS (NLOS) channels.
Type de document :
Article dans une revue
European Transactions on Telecommunications, Wiley, 2008, 19 (7), pp.751-759
Liste complète des métadonnées

https://hal.archives-ouvertes.fr/hal-00543145
Contributeur : Vicente Zarzoso <>
Soumis le : dimanche 5 décembre 2010 - 22:23:56
Dernière modification le : dimanche 5 décembre 2010 - 22:23:56

Identifiants

  • HAL Id : hal-00543145, version 1

Collections

Citation

Héctor Pérez-Iglesias, José García-Naya, Adriana Dapena, Luis Castedo, Vicente Zarzoso. Blind Channel Identification in Alamouti Coded Systems: A Comparative Study of Eigendecomposition Methods in Indoor Transmissions at 2.4 GHz. European Transactions on Telecommunications, Wiley, 2008, 19 (7), pp.751-759. <hal-00543145>

Partager

Métriques

Consultations de la notice

133