Zadoff-Chu sequence-based upstream ranging in OFDMA-PON mobile radio access networks

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Orthogonal frequency division multiple access (OFDMA) uplink in a passive optical network (PON) requires the delay alignment for OFDMA symbols from remotely distributed optical network units (ONUs). In this paper, we experimentally demonstrate and analyze the performance of a Zadoff-Chu (ZC) sequence-based upstream ranging scheme in an intensity modulation/direct detection (IM/DD)-based OFDMA-PON. The experimental results show that the proposed scheme can achieve upstream synchronization with only marginal inter-carrier interference (ICI) and requires no additional bandwidths in a typical OFDMA transmission with cyclic prefix (CP). (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Publisher
OPTICAL SOC AMER
Issue Date
2018-06
Language
English
Article Type
Article
Citation

OPTICS EXPRESS, v.26, no.13, pp.17662 - 17668

ISSN
1094-4087
DOI
10.1364/OE.26.017662
URI
http://hdl.handle.net/10203/244568
Appears in Collection
EE-Journal Papers(저널논문)
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