Please use this identifier to cite or link to this item: http://hdl.handle.net/11144/775
Title: A New V-BLAST Detector approach for W-CDMA signals with Frequency Selective Fading
Authors: Silva, Mário Marques da
Dinis, Rui
Correia, Américo
Issue Date: Sep-2005
Publisher: IEEE
Abstract: Due to the multipath propagation, the wideband-code division multiple access (W-CDMA) channels are typically frequency-selective. For this reason, conventional vertical-Bell Laboratories layered space-time (V-BLAST) detection techniques are not suitable for W-CDMA-based MIMO systems (multiple input, multiple output). In this paper, we consider the use of MIMO schemes within W-CDMA systems and we propose a V-BLAST detector suitable for multipath, frequency-selective channels where the individual detection of each path is performed using a simple decorrelator, and the resulting signals are combined through an MSE-based (mean square error) multipath combining algorithm. Due to the high sensitiveness of this detector to interpath interference, a multipath-parallel interference cancellation (MPIC) is also considered, followed by either successive interference cancellation (SIC) and parallel interference cancellation (PIC).
Peer reviewed: no
URI: http://hdl.handle.net/11144/775
Appears in Collections:BUAL - Comunicações em conferências
DCT- Comunicações em conferências

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