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Search: AMNE:(ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Signal Processing) > (2020-2024) > Feedforward Neural ...

  • Fan, YuchuanKTH,RISE,Industriella system,KTH Royal Institute of Technology, Sweden,Fotonik,RISE Research Institutes of Sweden,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH) (author)

Feedforward Neural Network-Based EVM Estimation : Impairment Tolerance in Coherent Optical Systems

  • Article/chapterEnglish2022

Publisher, publication year, extent ...

  • Institute of Electrical and Electronics Engineers Inc.2022
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:ri-60551
  • https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-60551URI
  • https://doi.org/10.1109/JSTQE.2022.3177004DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-313075URI
  • https://research.chalmers.se/publication/530884URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Funding details: China Scholarship Council, CSC, 201807930003; Funding details: 1.1.1.2/VIAA/4/20/660; Funding details: National Key Research and Development Program of China, NKRDPC, 2018YFB2201700, 2020-03506; Funding details: Vetenskapsrådet, VR; Funding details: Vetenskapsrådet, VR, 2019-05197, 2016-04510, P109599; Funding text 1: This work was supported in part by the China Scholarship Council under Grant 201807930003, in part by the Swedish Research Council (VR) projects under Grants 2019-05197 and 2016-04510, in part by the RISE SK funded project Optical Neural Networks under Grant P109599, in part by the ERDF-funded CARAT Project under Grant 1.1.1.2/VIAA/4/20/660, in part by the National Key Research and Development Program of China under Grant 2018YFB2201700, and in part by theVINNOVAfundedCELTIC-NEXT Project AI-NET PROTECT under Grant 2020-03506.
  • QC 20220530
  • Error vector magnitude (EVM) is commonly used for evaluating the quality of m-ary quadrature amplitude modulation (mQAM) signals. Recently proposed deep learning techniques for EVM estimation extend the functionality of conventional optical performance monitoring (OPM). In this article, we evaluate the tolerance of our developed EVM estimation scheme against various impairments in coherent optical systems. In particular, we analyze the signal quality monitoring capabilities in the presence of residual in-phase/quadrature (IQ) imbalance, fiber nonlinearity, and laser phase noise. We use feedforward neural networks (FFNNs) to extract the EVM information from amplitude histograms of 100 symbols per IQ cluster signal sequence captured before carrier phase recovery. We perform simulations of the considered impairments, along with an experimental investigation of the impact of laser phase noise. To investigate the tolerance of the EVM estimation scheme to each impairment type, we compare the accuracy for three training methods: 1) training without impairment, 2) training one model for all impairments, and 3) training an independent model for each impairment. Results indicate a good generalization of the proposed EVM estimation scheme, thus providing a valuable reference for developing next-generation intelligent OPM systems. 

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Pang, Xiaodan,Dr.RISE,Industriella system,KTH Royal Institute of Technology, Sweden,RISE Research Institutes of Sweden,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)(Swepub:kth)u1e3qilb (author)
  • Udalcovs, AleksejsKTH,RISE,Fotonik,RISE Research Institutes of Sweden(Swepub:kth)u1535c6t (author)
  • Natalino, Carlos,Dr.1987-KTH,Kommunikationssystem, CoS,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)carda (author)
  • Zhang, LuKTH,Kommunikationssystem, CoS,Zhejiang Lab,Zhejiang University(Swepub:kth)u1b2c0lu (author)
  • Bobrovs, V.Riga Technical University, Latvia (author)
  • Schatz, Richard,1963-KTH,Fotonik,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)(Swepub:kth)u1z793nt (author)
  • Yu, X.Zhejiang University, China; Zhejiang Lab, China,Zhejiang Lab (author)
  • Furdek, Marija,1985-KTH,Kommunikationssystem, CoS,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)furdek (author)
  • Popov, SergeiKTH,Fotonik,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)(Swepub:kth)u1fs8je2 (author)
  • Ozolins, OskarsKTH,RISE,Industriella system,KTH Royal Institute of Technology, Sweden; Riga Technical University, Latvia,Fotonik,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH),Riga Technical University,RISE Research Institutes of Sweden(Swepub:kth)u1su7y2q (author)
  • RISEIndustriella system (creator_code:org_t)

Related titles

  • In:IEEE Journal of Selected Topics in Quantum Electronics: Institute of Electrical and Electronics Engineers Inc.28:41077-260X1558-4542

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