Evaluation of quadrature-phase-shift-keying signal characteristics in W-band radio-over-fiber transmission using direct in-phase/quadrature-phase conversion technique

Meisaku Suzuki; Atsushi Kanno; Naokatsu Yamamoto; Hideyuki Sotobayashi

doi:10.1117/12.2212569

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

Meisaku Suzuki, Atsushi Kanno, Naokatsu Yamamoto, Hideyuki Sotobayashi

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Proceedings Volume 9772, Broadband Access Communication Technologies X; 97720E (2016) https://doi.org/10.1117/12.2212569
Event: SPIE OPTO, 2016, San Francisco, California, United States

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, Atsushi Kanno, Naokatsu Yamamoto, and 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); https://doi.org/10.1117/12.2212569

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KEYWORDS

Digital signal processing

Radio over Fiber

Signal detection

Forward error correction

Signal to noise ratio

Receivers

Hybrid fiber radio

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