Two and three inputs Widely Linear FRESH receivers for cancellation of a quasi-rectilinear interference with frequency offset

Rémi Chauvat 1, 2 Jean-Pierre Delmas 3, 4, 5 Pascal Chevalier 2, 6
1 CEDRIC - Centre d'études et de recherche en informatique et communications
2 THALES COMMUNICATIONS & SECURITY
3 TIPIC-SAMOVAR - Traitement de l'Information Pour Images et Communications
SAMOVAR - Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux
4 CITI - Communications, Images et Traitement de l'Information
5 SAMOVAR - Services répartis, Architectures, MOdélisation, Validation, Administration des Réseaux
6 CEDRIC - LAETITIA - CEDRIC. Traitement du signal et architectures électroniques
CEDRIC - Centre d'études et de recherche en informatique et communications
Abstract : Widely linear (WL) receivers can fulfill single antenna interference cancellation (SAIC) of one rectilinear (R) or quasi-rectilinear (QR) co-channel interference (CCI). The SAIC technology for QR signals has been shown to be less powerful than SAIC for R signals. To overcome this limitation, a SAIC/MAIC enhancement using three-inputs WL frequency-shift (FRESH) receiver has been introduced for QR signals. However, this receiver loses its efficiency for an interference having a residual frequency offset (FO) above a fraction of the baud rate. This may appear for airborne communications and it is the case for the inter-carrier interference of filter-bank based multicarrier waveforms using OQAM constellations which are candidate for 5G mobile networks. This paper extends the standard two-inputs SAIC/MAIC receiver and the three-inputs WL FRESH receiver for QR signals with FO. Analytical results and simulations are presented to study the impact of this FO on the performance of these receivers
Keywords : Widely linear Fresh SAIC Rectilinear signals Quasi rectilinear signals Frequency Offset
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Contributor : Médiathèque Télécom Sudparis & Institut Mines-Télécom Business School <>
Submitted on : Wednesday, November 9, 2016 - 10:59:08 AM
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TELECOM-SUDPARIS | INSTITUT-TELECOM | CNRS | CNAM | UNIV-PARIS-SACLAY | UNIV-HESAM | CEDRIC-CNAM

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Rémi Chauvat, Jean-Pierre Delmas, Pascal Chevalier. Two and three inputs Widely Linear FRESH receivers for cancellation of a quasi-rectilinear interference with frequency offset. EUSIPCO 2016 : 24th European Signal Processing Conference, Aug 2016, Budapest, Hungary. pp.1398 - 1402, ⟨10.1109/EUSIPCO.2016.7760478⟩. ⟨hal-01394314⟩

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