Optical-Beat-Induced Multi-User-Interference Reduction in Single Wavelength OFDMA PON Upstream Multiple Access Systems With Self-Homodyne Coherent Detection

We propose a novel technique for mitigating the optical-beat-induced multi-user-interference (MUI) between the upstream multiple access signals in an orthogonal frequency division multiple access (OFDMA) passive optical network (PON). To provide upstream multiple access on a single-wavelength orthog...

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Bibliographic Details
Published in:Journal of lightwave technology 2016-06, Vol.34 (11), p.2804-2811
Main Authors: Jung, Sang-Min, Mun, Kyoung-Hak, Jung, Sun-Young, Han, Sang-Kook
Format: Article
Language:English
Subjects:
Agglomeration
Coherence
Frequency division multiple access
multi user interference
Multiple access
OFDMA PON
Optical communication
optical fiber communication
Optical modulation
Optical network units
Optical polarization
Optical receivers
Optical sensors
Optical signal processing
Orthogonal Frequency Division Multiplexing
passive optical network
Passive optical networks
Upstream
Wavelengths
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Description
Summary:We propose a novel technique for mitigating the optical-beat-induced multi-user-interference (MUI) between the upstream multiple access signals in an orthogonal frequency division multiple access (OFDMA) passive optical network (PON). To provide upstream multiple access on a single-wavelength orthogonal frequency division multiplexing optical access network, optical beating interference and polarization diverseness are critical issues that severely degrade system performance. By using the proposed total intensity aggregation with self-homodyne coherent detection, we experimentally demonstrated stable transmission performance by reducing MUI in OFDMA PON upstream multiple access transmission.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2016.2551295