Timing Jitter Analysis and Mitigation in Hybrid OFDM-DFMA PONs

Hybrid orthogonal frequency division multiplexing-digital filter multiple access passive optical networks (OFDM-DFMA PONs) offer a cost-effective solution to the challenging requirements of next-generation optical access networks and 5G and beyond radio access networks. It is crucial to consider the...

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Autores principales:	Omaro Fawzi Abdelhamid Gonem, Roger Philip Giddings, Jianming Tang
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2021
Materias:	5G analogue-digital conversion digital-analogue conversion digital filter multiple access digital signal processing (DSP) orthogonal frequency division multiplexing (OFDM) Applied optics. Photonics TA1501-1820 Optics. Light QC350-467
Acceso en línea:	https://doaj.org/article/702ab58ec876472387198f50cbb40002
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spelling	oai:doaj.org-article:702ab58ec876472387198f50cbb400022021-11-04T23:00:05ZTiming Jitter Analysis and Mitigation in Hybrid OFDM-DFMA PONs1943-065510.1109/JPHOT.2021.3121168https://doaj.org/article/702ab58ec876472387198f50cbb400022021-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9580669/https://doaj.org/toc/1943-0655Hybrid orthogonal frequency division multiplexing-digital filter multiple access passive optical networks (OFDM-DFMA PONs) offer a cost-effective solution to the challenging requirements of next-generation optical access networks and 5G and beyond radio access networks. It is crucial to consider the impact of timing jitter in any ADC/DAC-based system, therefore this paper presents an in-depth investigation into the impacts of DAC/ADC timing jitter on the hybrid OFDM-DFMA PON's performance. We introduce improved accuracy white and coloured, DAC and ADC timing jitter models, applicable to any DSP-based transmission system. We prove that DAC and ADC timing jitter effects are virtually identical and investigate the effects of white/coloured timing jitter on upstream performance in hybrid OFDM-DFMA PONs and determine the associated jitter-induced optical power penalties. To mitigate against the timing jitter-induced performance degradations, a simple, but highly effective DSP-based technique is implemented which increases robustness against the timing jitter effects and significantly reduces timing jitter-induced optical power penalties. This consequently relaxes DAC/ADC sampling clock jitter requirements and so reduces implementation costs. White (coloured) timing jitter effects are shown to be independent of (dependent on) ONU operating frequency band and a trade-off between DAC and ADC jitter levels can be exploited to reduce ONU costs.Omaro Fawzi Abdelhamid GonemRoger Philip GiddingsJianming TangIEEEarticle5Ganalogue-digital conversiondigital-analogue conversiondigital filter multiple accessdigital signal processing (DSP)orthogonal frequency division multiplexing (OFDM)Applied optics. PhotonicsTA1501-1820Optics. LightQC350-467ENIEEE Photonics Journal, Vol 13, Iss 6, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	5G analogue-digital conversion digital-analogue conversion digital filter multiple access digital signal processing (DSP) orthogonal frequency division multiplexing (OFDM) Applied optics. Photonics TA1501-1820 Optics. Light QC350-467
spellingShingle	5G analogue-digital conversion digital-analogue conversion digital filter multiple access digital signal processing (DSP) orthogonal frequency division multiplexing (OFDM) Applied optics. Photonics TA1501-1820 Optics. Light QC350-467 Omaro Fawzi Abdelhamid Gonem Roger Philip Giddings Jianming Tang Timing Jitter Analysis and Mitigation in Hybrid OFDM-DFMA PONs
description	Hybrid orthogonal frequency division multiplexing-digital filter multiple access passive optical networks (OFDM-DFMA PONs) offer a cost-effective solution to the challenging requirements of next-generation optical access networks and 5G and beyond radio access networks. It is crucial to consider the impact of timing jitter in any ADC/DAC-based system, therefore this paper presents an in-depth investigation into the impacts of DAC/ADC timing jitter on the hybrid OFDM-DFMA PON's performance. We introduce improved accuracy white and coloured, DAC and ADC timing jitter models, applicable to any DSP-based transmission system. We prove that DAC and ADC timing jitter effects are virtually identical and investigate the effects of white/coloured timing jitter on upstream performance in hybrid OFDM-DFMA PONs and determine the associated jitter-induced optical power penalties. To mitigate against the timing jitter-induced performance degradations, a simple, but highly effective DSP-based technique is implemented which increases robustness against the timing jitter effects and significantly reduces timing jitter-induced optical power penalties. This consequently relaxes DAC/ADC sampling clock jitter requirements and so reduces implementation costs. White (coloured) timing jitter effects are shown to be independent of (dependent on) ONU operating frequency band and a trade-off between DAC and ADC jitter levels can be exploited to reduce ONU costs.
format	article
author	Omaro Fawzi Abdelhamid Gonem Roger Philip Giddings Jianming Tang
author_facet	Omaro Fawzi Abdelhamid Gonem Roger Philip Giddings Jianming Tang
author_sort	Omaro Fawzi Abdelhamid Gonem
title	Timing Jitter Analysis and Mitigation in Hybrid OFDM-DFMA PONs
title_short	Timing Jitter Analysis and Mitigation in Hybrid OFDM-DFMA PONs
title_full	Timing Jitter Analysis and Mitigation in Hybrid OFDM-DFMA PONs
title_fullStr	Timing Jitter Analysis and Mitigation in Hybrid OFDM-DFMA PONs
title_full_unstemmed	Timing Jitter Analysis and Mitigation in Hybrid OFDM-DFMA PONs
title_sort	timing jitter analysis and mitigation in hybrid ofdm-dfma pons
publisher	IEEE
publishDate	2021
url	https://doaj.org/article/702ab58ec876472387198f50cbb40002
work_keys_str_mv	AT omarofawziabdelhamidgonem timingjitteranalysisandmitigationinhybridofdmdfmapons AT rogerphilipgiddings timingjitteranalysisandmitigationinhybridofdmdfmapons AT jianmingtang timingjitteranalysisandmitigationinhybridofdmdfmapons
_version_	1718444597368061952

Timing Jitter Analysis and Mitigation in Hybrid OFDM-DFMA PONs

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