Mitigation of timing offset effect in IM/DD based OFDMA-PON uplink multiple access

Sun Young Jung; Sang Min Jung; Hyoung Joon Park; Sang Kook Han

doi:10.1364/OE.23.013889

Mitigation of timing offset effect in IM/DD based OFDMA-PON uplink multiple access

Sun Young Jung, Sang Min Jung, Hyoung Joon Park, Sang Kook Han

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

In orthogonal frequency division multiple access based passive optical network (OFDMA-PON) uplink, synchronization between optical network units (ONUs) is very important to maintain orthogonality. The synchronization among uplink signals is considered as one of the main challenges in OFDMA-PON due to optical path difference. In this paper, the performance degradation according to timing offset between ONUs is experimentally analyzed. And we propose and demonstrate timing offset effect reduction in asynchronous multiple access by using CP extension and filter bank based multicarrier (FBMC) system in intensity modulation/direct detection (IM/DD) based OFDMA-PON uplink transmission.

Original language	English
Pages (from-to)	13889-13898
Number of pages	10
Journal	Optics Express
Volume	23
Issue number	11
DOIs	https://doi.org/10.1364/OE.23.013889
Publication status	Published - 2015 Jun 1

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OE.23.013889

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title = "Mitigation of timing offset effect in IM/DD based OFDMA-PON uplink multiple access",

abstract = "In orthogonal frequency division multiple access based passive optical network (OFDMA-PON) uplink, synchronization between optical network units (ONUs) is very important to maintain orthogonality. The synchronization among uplink signals is considered as one of the main challenges in OFDMA-PON due to optical path difference. In this paper, the performance degradation according to timing offset between ONUs is experimentally analyzed. And we propose and demonstrate timing offset effect reduction in asynchronous multiple access by using CP extension and filter bank based multicarrier (FBMC) system in intensity modulation/direct detection (IM/DD) based OFDMA-PON uplink transmission.",

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AU - Jung, Sang Min

AU - Park, Hyoung Joon

AU - Han, Sang Kook

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AB - In orthogonal frequency division multiple access based passive optical network (OFDMA-PON) uplink, synchronization between optical network units (ONUs) is very important to maintain orthogonality. The synchronization among uplink signals is considered as one of the main challenges in OFDMA-PON due to optical path difference. In this paper, the performance degradation according to timing offset between ONUs is experimentally analyzed. And we propose and demonstrate timing offset effect reduction in asynchronous multiple access by using CP extension and filter bank based multicarrier (FBMC) system in intensity modulation/direct detection (IM/DD) based OFDMA-PON uplink transmission.

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