Enhanced single antenna interference cancellation from MMSE third-order complex Volterra filters

Abstract : Widely linear (WL) filters have the capability to perform single antenna interference cancellation (SAIC) of one rectilinear or quasi-rectilinear co-channel interference (CCI). The SAIC technology for quasi-rectilinear signals is operational in GSM handsets but requires enhancements for both VAMOS standard, an evolution of GSM/EDGE standard, and FBMCOQAM networks, which are candidate for 5G mobile networks, in particular. For this reason, we propose in this paper a SAIC enhancement based on the use of third-order complex Volterra (CV) filtering, exploiting both the non-Gaussianity and the non-circularity of the signals up to the 6th-order. Limiting the analysis to rectilinear signals for space limitations, the performance of the proposed receiver are proved to outperform those of WL receivers for SAIC of one CCI
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Submitted on : Monday, November 6, 2017 - 2:45:47 PM
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Mustapha Sadok, Jean-Pierre Delmas, Pascal Chevalier. Enhanced single antenna interference cancellation from MMSE third-order complex Volterra filters. ICASSP 2017 : 42nd International Conference on Acoustics, Speech and Signal Processing, Mar 2017, New Orleans, United States. pp.4197 - 4201, ⟨10.1109/ICASSP.2017.7952947⟩. ⟨hal-01629454⟩

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