Grouping by Cycle Length (GCL) for long-range FiWi networks

Yousef Dashti, Anu Mercian, Martin Reisslein

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The integration of wireless access networks with optical access networks in the so-called fiber-wireless (FiWi) networks has recently emerged as a promising strategy for providing flexible network services at relatively high transmission rates. FiWi network research to date has mainly focused on optical access networks with the normal reach (around 20 km) of passive optical networks (PONs). We make two main contributions to the study of FiWi networking with a long-range PON with a propagation distance on the order of 100 km in this paper. First, through extensive simulations, we investigate the packet delays when relatively low-rate traffic that has traversed a wireless network is mixed with conventional high-rate PON-only traffic. We consider a range of different FiWi network architectures with different dynamic bandwidth allocation (DBA) mechanisms. Second, we closely examine the grouping of the optical network units (ONUs) in the double-phase polling (DPP) DBA mechanism in long-range FiWi networks. We introduce a novel grouping by cycle length (GCL) strategy that achieves favorable packet delay performance.

Original languageEnglish (US)
Pages (from-to)43-57
Number of pages15
JournalOptical Switching and Networking
Volume21
DOIs
StatePublished - Jul 1 2016

Fingerprint

Wireless networks
Passive optical networks
Fibers
Frequency allocation
Fiber optic networks
Network architecture

Keywords

  • Delay evaluation
  • Dynamic bandwidth allocation (DBA)
  • Excess bandwidth distribution
  • Fiber-Wireless (FiWi) network
  • Passive Optical Network (PON)

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

Grouping by Cycle Length (GCL) for long-range FiWi networks. / Dashti, Yousef; Mercian, Anu; Reisslein, Martin.

In: Optical Switching and Networking, Vol. 21, 01.07.2016, p. 43-57.

Research output: Contribution to journalArticle

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