12 February 2016 Evaluation of quadrature-phase-shift-keying signal characteristics in W-band radio-over-fiber transmission using direct in-phase/quadrature-phase conversion technique
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Abstract
The effects of in-phase/quadrature-phase (IQ) imbalances are evaluated with a direct IQ down-converter in the W-band (75–110 GHz). The IQ imbalance of the converter is measured within a range of ±10 degrees in an intermediate frequency of DC–26.5 GHz. 1–8-G-baud quadrature phase-shift keying (QPSK) signals are transmitted successfully with observed bit error rates within a forward error correction limit of 2×10-3 using radio over fiber (RoF) techniques. The direct down-conversion technique is applicable to next-generation high-speed wireless access communication systems in the millimeter-wave band.
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Meisaku Suzuki, Meisaku Suzuki, Atsushi Kanno, Atsushi Kanno, Naokatsu Yamamoto, Naokatsu Yamamoto, Hideyuki Sotobayashi, Hideyuki Sotobayashi, } "Evaluation of quadrature-phase-shift-keying signal characteristics in W-band radio-over-fiber transmission using direct in-phase/quadrature-phase conversion technique", Proc. SPIE 9772, Broadband Access Communication Technologies X, 97720E (12 February 2016); doi: 10.1117/12.2212569; https://doi.org/10.1117/12.2212569
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