Articles with "qam signal" as a keyword



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Efficient QAM Signal Detector for Massive MIMO Systems via PS/DPS-ADMM Approaches

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Published in 2022 at "IEEE Transactions on Wireless Communications"

DOI: 10.1109/twc.2022.3170510

Abstract: In this paper, we design two efficient quadrature amplitude modulation (QAM) signal detectors for massive multiple-input multiple-output (MIMO) communication systems via the penalty-sharing alternating direction method of multipliers (PS-ADMM). The content of the paper is… read more here.

Keywords: qam signal; dps admm; massive mimo; efficient qam ... See more keywords
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All-optical wavelength conversion of a 92-Gb/s 16-QAM signal within the C-band in a single thin-film PPLN waveguide.

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Published in 2022 at "Optics express"

DOI: 10.1364/oe.465382

Abstract: Tunable all-optical wavelength conversion (AOWC) within 151 nm bandwidth is demonstrated in a thin-film periodically poled lithium niobate (PPLN) waveguide, which utilizes the cascaded second-harmonic generation and difference-frequency generation (cSHG/DFG) process. Also, in the same… read more here.

Keywords: ppln waveguide; optical wavelength; signal; qam signal ... See more keywords