On noncoherent receivers for DSTM in spatially correlated fading

Authors:
Cindy Zhu;Simon Yiu;Robert Schober
Affiliations:
Department of Electrical and Computer Engineering, University of British Columbia, Vancouver, BC, Canada;School of Engineering and Applied Sciences, Harvard University, Cambridge, MA;Department of Electrical and Computer Engineering, University of British Columbia, Vancouver, BC, Canada
Venue:
IEEE Transactions on Communications
Year:
2009

Citing 4
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Abstract

In this letter, we derive a multiple-symbol differential detection (MSDD) and a novel MSDD-based decision-feedback differential detection (MS-DFDD) receiver for differential space-time modulation transmitted over spatially correlated multiple-input multiple-output fading channels. We show that MS-DFDD outperforms previously proposed DFDD schemes that are based on scalar and vector prediction (SP-DFDD and VP-DFDD). In addition, we prove that at high signal-to-noise ratio (SNR) VP-DFDD is equivalent to SP-DFDD and thus fails to properly exploit the spatial fading correlations.