Non-coherent FSK: An attractive modulation set for millimeter-wave communications
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Nasir, Ali A.
Mehrpouyan, Hani
Matolak, David
Durrani, Salman
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Institute of Electrical and Electronics Engineers (IEEE)
Abstract
Millimeter-wave (mm-wave) systems suffer from
an assortment of propagation and hardware challenges such
as extremely high pathloss/shadowing and amplifier nonlinearity/phase
noise, respectively. In this paper, we demonstrate
via simulations that non-coherent frequency shift keying (FSK)
can utilize the vast bandwidth at mm-wave frequencies to combat
significant pathloss and shadowing in this band, while being
robust to amplifier non-linearity and phase noise. To support our
findings, we establish a comprehensive simulation setup and set
of parameters that consider the impact of pathloss, shadowing,
amplifier non-linearity, and phase noise, at mm-wave frequencies.
Our results indicate that non-coherent FSK outperforms other
modulation schemes such as phase shift keying and quadrature
amplitude modulation. This outcome combined with the low
detection complexity of non-coherent FSK make it an attractive
modulation for achieving multi Gbps wireless links at mm-wave
frequencies. The proposed comprehensive simulation setup can
also be applied to investigate and validate the performance of
various mm-wave systems in practical settings.
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Conference paper
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Open Access
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Author/s Accepted Manuscript (AAM) / Post-print