Transmitter frequency-dependent IQ imbalance characterization and pre-emphasis

Pavel Skvortcov; Ian Phillips; Wladek Forysiak

doi:10.1364/SPPCOM.2020.SpTh1I.2

OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF)
OSA Technical Digest (Optica Publishing Group, 2020),
paper SpTh1I.2
•https://doi.org/10.1364/SPPCOM.2020.SpTh1I.2

Transmitter frequency-dependent IQ imbalance characterization and pre-emphasis

Pavel Skvortcov, Ian Phillips, and Wladek Forysiak

Signal Processing in Photonic Communications 2020

Washington, DC United States
13–16 July 2020
ISBN: 978-1-943580-79-8

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Signal Processing I (SpTh1I)

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P. Skvortcov, I. Phillips, and W. Forysiak, "Transmitter frequency-dependent IQ imbalance characterization and pre-emphasis," in OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF), L. Caspani, A. Tauke-Pedretti, F. Leo, and B. Yang, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper SpTh1I.2.

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Abstract

The detrimental effect of frequency-dependent IQ imbalance is analyzed via numerical simulations. A MIMO pre-emphasis based on pre-trained adaptive filters is proposed to compensate for the joint impact of cross-talk, skew and frequency response mismatch.

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