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An improved epon upstream transmission scheme with zero inter-period idle loss

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Journal of Electronics (China)

Abstract

Existing Ethernet Passive Optical Network (EPON) Dynamic Bandwidth Allocation (DBA) algorithms suffer from the disadvantage of idle time loss, which lower the upstream bandwidth utilization. This letter proposes an improved upstream transmission scheme with idle-time eliminating mechanism. Theoretical analysis and numerical calculation prove that the improved scheme can effectively eliminate the idle time and enhance the efficiency of upstream link utilization. Simulation results have shown that the bandwidth utilization can be raised up to 15% in heavy-load scenarios while the time delay performance of Assured Forwarding (AF) and Best Effort (BE) services are improved simultaneously.

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Authors and Affiliations

  1. Key Lab of Broadband Wireless Communication and Sensor Network Technology (NUPT), Ministry of Education, Nanjing University of Posts and Telecommunications, Nanjing, 210003, China

    Jianhua Shen, Hongmei Guo & Zhengkun Mi

  2. Nanjing University of Posts and Telecommunications, P. O. Box 187, Nanjing, 210003, China

    Jianhua Shen

Authors
  1. Jianhua Shen
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  2. Hongmei Guo
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  3. Zhengkun Mi
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Corresponding author

Correspondence to Jianhua Shen.

Additional information

Supported by the National Natural Science Foundation Project (No. 60872018), the National Science and Technology Dedicated Mega-Project (No. 2011ZX03005-004-03), and the Priority Academic Program Development Project of Jiangsu Higher Education Institutions.

Communication author: Shen Jianhua, born in 1972, male, Ph.D. candidate, Associate Professor.

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Shen, J., Guo, H. & Mi, Z. An improved epon upstream transmission scheme with zero inter-period idle loss. J. Electron.(China) 28, 664–669 (2011). https://doi.org/10.1007/s11767-012-0806-y

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  • DOI: https://doi.org/10.1007/s11767-012-0806-y

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