Weighted interframe averaging-based channel estimation for orthogonal frequency division multiplexing passive optical network

  • Bangjiang Lin*
  • , Yiwei Li
  • , Shihao Zhang
  • , Xuan Tang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Weighted interframe averaging (WIFA)-based channel estimation (CE) is presented for orthogonal frequency division multiplexing passive optical network (OFDM-PON), in which the CE results of the adjacent frames are directly averaged to increase the estimation accuracy. The effectiveness of WIFA combined with conventional least square, intrasymbol frequency-domain averaging, and minimum mean square error, respectively, is demonstrated through 26.7-km standard single-mode fiber transmission. The experimental results show that the WIFA method with low complexity can significantly enhance transmission performance of OFDM-PON.

Original languageEnglish
Article number106108
JournalOptical Engineering
Volume54
Issue number10
DOIs
StatePublished - 1 Oct 2015
Externally publishedYes

Keywords

  • channel estimation
  • intrasymbol frequency-domain averaging
  • minimum mean square error
  • orthogonal frequency division multiplexing
  • passive optical network
  • weighted interframe averaging

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