• Study On Optical Communications
  • Vol. 50, Issue 1, 22006501 (2024)
Qifang LIU*, Yu ZHANG, and Quan ZHOU
Author Affiliations
  • Wuhan FiberHome Technical Services Co., Ltd., FiberHome Telecommunication Technologies Co., Ltd., Wuhan 430074, China
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    DOI: 10.13756/j.gtxyj.2024.220065 Cite this Article
    Qifang LIU, Yu ZHANG, Quan ZHOU. Discussion on Ultra-Low Delay Technology Solutions Based on PON[J]. Study On Optical Communications, 2024, 50(1): 22006501 Copy Citation Text show less
    Schematic diagram of ONU uplink timeslot division in PON system
    Fig. 1. Schematic diagram of ONU uplink timeslot division in PON system
    Schematic diagram of single frame multi burst technology
    Fig. 2. Schematic diagram of single frame multi burst technology
    Comparison of Average Delay and Bandwidth Utilization in Different Scheduling Periods
    Fig. 3. Comparison of Average Delay and Bandwidth Utilization in Different Scheduling Periods
    Comparison of delay and bandwidth utilization before and after using single frame multi burst technology
    Fig. 4. Comparison of delay and bandwidth utilization before and after using single frame multi burst technology
    A typical PON system with independent registration channel
    Fig. 5. A typical PON system with independent registration channel
    场景端到端时延/ms带宽/Mbit/s
    强交互VR业务(游戏类)起步阶段(4K)≤20≥80
    舒适体验(8K)≤20≥130
    理想体验(≥12K)≤10≥540
    弱交互VR业务(全景视频类)起步阶段(4K)≤20≥60
    舒适体验(8K)≤20≥180
    理想体验(≥12K)≤20
    Table 1. Requirements of VR services on network communication indicators
    场景端到端时延/ms抖动/ms可靠性(%)连接密度/设备/km2
    触觉反馈交互0.599.999 0
    离散自动化(运动控制)1.01 00099.999 9100 000
    高压配电5.0199.999 91 000
    智能交通系统10.0299.999 91 000
    远程控制5.099.999 0
    离散自动化10.0199.990 0100 000
    中压配电25.02599.900 01 000
    过程自动化远程控制50.02099.999 91 000
    过程自动化监控50.02099.900 010 000
    Table 2. Typical requirements of industrial network communication
    Qifang LIU, Yu ZHANG, Quan ZHOU. Discussion on Ultra-Low Delay Technology Solutions Based on PON[J]. Study On Optical Communications, 2024, 50(1): 22006501
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