Efficient frequency-domain channel equalisation methods for OFDM/OQAM-PON with intensity modulation and direct detection

Bangjiang Lin, Xuan Tang, Xi Fang, Yi Wu, Hui Li

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

In this study, the authors present efficient frequency-domain channel estimation (CE) methods based on the adjacent subcarriers frequency-domain averaging (ASFA) and minimum mean squared error (MMSE) schemes for the orthogonal frequency division multiplexing/offset quadrature amplitude modulation (OFDM/OQAM) passive optical network (PON) system. The complete channel transmission response for OFDM/OQAM-PON with the chromatic dispersion induced intrinsic imaginary interference effect is systemically derived. Compared with the conventional interference approximation CE method, ASFA and MMSE offer improved receiver sensitivity.

Original languageEnglish
Pages (from-to)872-877
Number of pages6
JournalIET Communications
Volume11
Issue number6
DOIs
StatePublished - 20 Apr 2017
Externally publishedYes

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