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A CSQF-Based Deterministic Scheduling Scheme for Industrial Passive Optical Networks

  • Yichen Zong
  • , Fu Wang*
  • , Yongjun Wang
  • , Qi Zhang
  • , Qinghua Tian
  • , Haipeng Yao
  • , Wei Zhang
  • , Xiangjun Xin
  • *Corresponding author for this work
  • Beijing University of Posts and Telecommunications
  • Qilu University of Technology
  • Beijing Institute of Technology

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Industrial Passive Optical Networks (IPONs) are rising recently in industrial Internet scenarios due to their high reliability and low cost. However, traditional dynamic bandwidth allocation (DBA) schemes for IPON introduce latency and jitter uncertainty, challenging guaranteeing the delay requirement for industry networks. This paper proposes a CSQF-based scheduling scheme that integrates a multi-queue cyclic mechanism to reduce polling frequency and ensure bounded delay. Simulation results show a 47% reduction in ONU packet delay, over 50% fewer polling cycles, and a 42% decrease in end-to-end latency.

Original languageEnglish
Title of host publication2025 13th International Conference on Intelligent Computing and Wireless Optical Communications, ICWOC 2025
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages67-71
Number of pages5
ISBN (Electronic)9798331544805
DOIs
Publication statusPublished - 2025
Externally publishedYes
Event13th International Conference on Intelligent Computing and Wireless Optical Communications, ICWOC 2025 - Chengdu, China
Duration: 27 Jun 2025 → 29 Jun 2025

Publication series

Name2025 13th International Conference on Intelligent Computing and Wireless Optical Communications, ICWOC 2025

Conference

Conference13th International Conference on Intelligent Computing and Wireless Optical Communications, ICWOC 2025
Country/TerritoryChina
CityChengdu
Period27/06/25 → 29/06/25

Keywords

  • CSQF
  • PON
  • deterministic scheduling
  • latency
  • queue rotation

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