Edeagu, SO;
Butt, RA;
Idrus, SM;
Gomes, NJ;
(2021)
Performance of PON Dynamic Bandwidth Allocation Algorithm for Meeting xHaul Transport Requirements.
In:
25th International Conference on Optical Network Design and Modelling, ONDM 2021.
IEEE: Gothenburg, Sweden.
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Abstract
Passive optical networks (PONs) use dynamic bandwidth allocation (DBA) algorithms to assign upstream bandwidth for different types of traffic to transmission containers (T-CONTs) used by optical network units (ONUs). In this paper, we show that the performance of a PON DBA algorithm that incorporates a colorless grant can ensure that the average upstream delay and delay distribution of T-CONT frames fall within the latency requirements for different traffic types in an xHaul transport network. We evaluate the performance of two deployment scenarios for a 10-Gigabit-capable PON (XGS-PON) system using the OMNeT++ network simulator. The simulation results show that, when the delay distribution of frames is analyzed, more than 99% of fronthaul traffic at 80% load in both scenarios are below the 250 μs latency requirement. Overall, the results indicate that the latency requirements of fronthaul traffic can be met by over-allocating bandwidth to it relative to other types of traffic in the network.
| Type: | Proceedings paper |
|---|---|
| Title: | Performance of PON Dynamic Bandwidth Allocation Algorithm for Meeting xHaul Transport Requirements |
| Event: | 2021 International Conference on Optical Network Design and Modeling (ONDM) |
| Location: | ELECTR NETWORK |
| Dates: | 28 Jun 2021 - 21 Jul 2021 |
| ISBN-13: | 9783903176331 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.23919/ONDM51796.2021.9492364 |
| Publisher version: | https://doi.org/10.23919/ONDM51796.2021.9492364 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Passive optical network (PON), dynamic bandwidth allocation (DBA), 5G, cloud radio access network (C-RAN), functional split, fronthaul, midhaul, xhaul, fixed-mobile convergence |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10189714 |
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