The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
권호 표지

Grant Scheduling Method to Improve the Channel Efficiency of Ethernet Passive Optical Network

  • Lee Yutae (Department of Information and Communication Engineering, Dongeui University) ;
  • Chung Hae (Kunoh National Institute of Technology)
  • Published : 2005.04.01
Download PDF
⟨ Previous Next ⟩

Abstract

To provide fairness among different ONUs in EPON, the upstream channel remains idle for some time after OLT receives the buffer status from all ONUs every cycle, which decreases the utilization and increases the delay. To solve this deficiency, we present a new grant scheduling method. The method consists of dividing ONUs into several sets where OLT can schedule ONUs in one set while others will be transmitting their traffic. This method will better utilize the bandwidth of EPON. The numerical results show that the larger the number of ONU sets is the smaller the minimum overhead becomes.

Keywords

References

  1. G. Kramer, B. Mukherjee, A. Maislos, 'Ethernet Passive Optical Network (EPON): a missing link in an end-to-end optical internet,' in Multi-Protocol Over WDM: Building the Next Generation Internet, S. Dixit, Ed., New York, Wiley, March 2003
  2. G. Kramer, A. Banerjee, N. K. Singhal, B. Mukherjee, S. Dixit, Y. Ye, 'Fair Queueing with Service Envelopes (FQSE): a cousin-fair hierarchical scheduler for Ethernet PONs,' Optical Fiber Communications 2004, Los Angeles, February 2004
  3. C. M. Assi, Y. Ye, S. Dixit, M. A. Ali, 'Dynamic bandwidth allocation for quality-of-service over Ethernet PONs,' IEEE JSAC, vol. 21, no. 9, pp. 1467-1477, 2003
  4. IEEE 802.3ah task force homepage. Available: http://www.ieee802.org/3/efm
  5. C. G. Park, Y. Lee, H. Chung, G. I. You, J. A. Kim, 'Performance Analysis of a Dynamic Bandwidth Allocation Scheme for Improving the Delay of the Real Time Traffic in an EPON,' Journal of Korean Institute of Communication Sciences, vol. 28, no. 11B, pp. 1023-1030, 2004
  6. J. Hwang, M. Yoo, 'A Variable Transmission Window MAC Protocol for QoS Support in EPON System,' Journal of Korean Institute of Communication Sciences, vol. 29, no. 11B, pp. 891-899, 2004
  7. C. M. Assi, Y. Ye, S. Dixit, 'Support of QoS in IP-based Ethernet-PON,' GWBECOM 2003, San Francisco, December 2003
  8. H. S. Lee, T. W. Yoo, J. H. Moon, H. H. Lee, 'A two-step scheduling algorithm to support dual bandwidth allocation policies in an Ethernet Passive Optical Network,' ETRI Journal, vol.26, no. 2, pp. 185-188, 2004 https://doi.org/10.4218/etrij.04.0203.0029
  9. K. Son, H. Ryu, S. Chong, T. Yoo, 'Dynamic bandwidth allocation schemes to improve utilization under non-uniform traffic in Ethernet Passive Optical Networks,' IEEE ICC 2004, Paris, France, June 2004
  10. Y. M. Yang, J. M. Nho, B. H. Ahn, 'An enhanced burst-polling based delta dynamic bandwidth allocation scheme for QoS over E-PONs,' ACM NRBC 2004, New York, 2004 https://doi.org/10.1145/1026763.1026770
  11. Y. Zhu, M. Ma, T. H. Cheng, 'A novel multiple access scheme for Ethernet Passive Optical Networks,' GLOBECOM 2003, San Francisco, December 2003
  12. S. H. Lee, J. H. Lee, C. B. Kim, 'The MAC Protocol Based on Interleave Polling for Differentiated Services on Ethernet PON,' Journal of Korean Institute of Communication Sciences, vol. 29, no. 6B, pp. 531-536, 2004