BLIND RECOGNITION OF ORTHOGONAL SPACE-TIME BLOCK CODES BASED ON THE KURTOSIS OF CROSS-CORRELATIONS LAGS

Arunas Mazeika 1 Koffi Clément Yao 2 Ludovic Collin 2 Ali Mansour 3 Roland Gautier 2, *
* Auteur correspondant
1 E3I2 - Extraction et Exploitation de l'Information en Environnements Incertains
2 Lab-STICC_UBO_CACS_COM
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance, UBO - Université de Brest
3 Lab-STICC_ENSTAB_CACS_COM
ECE - ECE Curtin University
Abstract : In the communication interception framework (COMINT, i.e. COMmunication INTelligence), a quality coding scheme recognition is the first step that needs to be addressed in order to extract the information from intercepted signals. In this paper, we present a new blind recognition algorithm of Orthogonal Space-Time Block Codes (OSTBCs) based on a cross-correlation analysis over linear combinations of the transmitted signals. The latter analysis exploits the temporal redundancy and the structure of the OSTBCs. To classify the intercepted signals, different classification methods relying on the Kurtosis of cross-correlations have been considered. Experimental results show that our method performs well in a variety of conditions such as rough estimate of the signal bandwidth and the carrier frequency, presence of noise, channel unknown to the receiver and non-synchronism between the transmitter and the receiver. The study is carried out using the Alamouti code, but good results have been obtained using the proposed method in order to identify an OSTBC with 3 antennas in the transmitter.
keyword : classification Blind recognition MIMO OSTBC Alamouti Kurtosis classification.
Type de document :
Article dans une revue
Military Technical Academy Review, 2011, XXI (2), pp.109-134
Liste complète des métadonnées
https://hal.univ-brest.fr/hal-00666201
Contributeur : Roland Gautier <>
Soumis le : vendredi 3 février 2012 - 16:33:13
Dernière modification le : jeudi 29 novembre 2018 - 16:47:42

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  • HAL Id : hal-00666201, version 1

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Arunas Mazeika, Koffi Clément Yao, Ludovic Collin, Ali Mansour, Roland Gautier. BLIND RECOGNITION OF ORTHOGONAL SPACE-TIME BLOCK CODES BASED ON THE KURTOSIS OF CROSS-CORRELATIONS LAGS. Military Technical Academy Review, 2011, XXI (2), pp.109-134. 〈hal-00666201〉

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