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Title: A single-input multiple-output transceiver architecture to 'Blindly' null unknown interference for block-based single-carrier transmission with an insufficient guard interval
Authors: Song, Y
Wong, KT 
Chen, YF
Issue Date: 2014
Publisher: Institution of Engineering and Technology
Source: IET signal processing, 2014, v. 8, no. 4, p. 392-397 How to cite?
Journal: IET Signal Processing 
Abstract: This paper proposes a new way to realize a maximum-SINR beamformer for block-based cyclically prefixed single-carrier modulation. Here, SINR stands for 'signal to interference plus noise' ratio, at the beamformer output. This spatial beamformer will 'blindly' pass the signal-of-interest; and this beamformer will 'blindly' null any co-channel interference, any adjacent-channel interference, any out-of-system interference, and/or any spatio-temporally correlated additive noises. This proposed scheme is made possible by zero-padding an insufficient guard interval, which may be shorter than the temporally spreading channel's order. The proposed receiver will first undergo frequency-domain equalization, to 'clear' the data of any signal-of-interest's energy in the zero-padded guard interval, in order to facilitate the estimation of the interference and noise. This interference-and-noise estimate will then be eigen-subtracted from the signal-and-interferenceand- noise dataset by the aforementioned 'blind' beamformer in the spatial dimension.
ISSN: 1751-9675
DOI: 10.1049/iet-spr.2013.0369
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