Performance evaluation of CO-OFDM systems based on electrical constant-envelope signals

V.O.C. Dias, Ezequiel da V. Pereira, Helder R.O. Rocha, Marcelo E.V. Segatto, Jair A.L. Silva

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)

Abstract

The influence of the electrical phase modulation index h in the performance of constant-envelope orthogonal frequency division multiplexing (CE-OFDM) in coherent detection optical systems is treated analytically and its range of validity examined by simulations. A compromise between h and subcarrier mapping is identified according to differences in sensitivity related to non-linearities inserted by the optical modulator. It is shown that the proposed scheme outperforms conventional coherent detection OFDM systems, which is strongly dependent on both phase and optical modulation indexes.
LanguageEnglish
Pages30-34
Number of pages5
JournalOptical Fiber Technology
Volume37
DOIs
StatePublished - 1 Sep 2017
Externally publishedYes

Fingerprint

Phase modulation
Carbon Monoxide
Orthogonal frequency division multiplexing
Modulation
Light modulation
Light modulators
Optical systems

Keywords

  • Coherent detection
  • Constant-envelope
  • Orthogonal frequency division multiplexing
  • Phase modulation index

Cite this

Dias, V. O. C., Pereira, E. D. V., Rocha, H. R. O., Segatto, M. E. V., & Silva, J. A. L. (2017). Performance evaluation of CO-OFDM systems based on electrical constant-envelope signals. Optical Fiber Technology, 37, 30-34. DOI: 10.1016/j.yofte.2017.06.010
Dias, V.O.C. ; Pereira, Ezequiel da V. ; Rocha, Helder R.O. ; Segatto, Marcelo E.V. ; Silva, Jair A.L./ Performance evaluation of CO-OFDM systems based on electrical constant-envelope signals. In: Optical Fiber Technology. 2017 ; Vol. 37. pp. 30-34
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Performance evaluation of CO-OFDM systems based on electrical constant-envelope signals. / Dias, V.O.C.; Pereira, Ezequiel da V.; Rocha, Helder R.O.; Segatto, Marcelo E.V.; Silva, Jair A.L.

In: Optical Fiber Technology, Vol. 37, 01.09.2017, p. 30-34.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Performance evaluation of CO-OFDM systems based on electrical constant-envelope signals

AU - Dias,V.O.C.

AU - Pereira,Ezequiel da V.

AU - Rocha,Helder R.O.

AU - Segatto,Marcelo E.V.

AU - Silva,Jair A.L.

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AB - The influence of the electrical phase modulation index h in the performance of constant-envelope orthogonal frequency division multiplexing (CE-OFDM) in coherent detection optical systems is treated analytically and its range of validity examined by simulations. A compromise between h and subcarrier mapping is identified according to differences in sensitivity related to non-linearities inserted by the optical modulator. It is shown that the proposed scheme outperforms conventional coherent detection OFDM systems, which is strongly dependent on both phase and optical modulation indexes.

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KW - Constant-envelope

KW - Orthogonal frequency division multiplexing

KW - Phase modulation index

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