VMP: A MAC protocol for EPON-based video-dominated FiWi access networks

Navid Ghazisaidi, Martin Maier, Martin Reisslein

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Optical and wireless network technologies are expected to converge in the near to midterm, giving rise to bimodal fiber-wireless (FiWi) broadband access networks. In triple-play (voice, video, and data) service scenarios for such FiWi access networks, video traffic will likely dominate due to the widely predicted increase in video network services and the high traffic volume of compressed video compared to voice and data services. In this paper, we introduce and evaluate a comprehensive video MAC protocol (VMP) to efficiently deliver prerecorded video downstream to wireless consumers over a FiWi network in the presence of voice and data upstream and downstream traffic. VMP consists of three main novel components: (i) frame fragmentation in conjunction with hierarchical frame aggregation for efficient MAC frame transport over the integrated optical and wireless network segments, (ii) multi-polling medium access control for upstream voice and data packets and acknowledgements for downstream video packets, and (iii) prefetching of video frames over the optical and wireless network segments in conjunction with hybrid reservation/ contention-based medium access. Our simulation results indicate that VMP achieves significant improvements in throughput-delay performance for all three traffic types as well as reductions in the playback starvation probability for video traffic compared to existing state-of-the-art MAC mechanisms.

Original languageEnglish (US)
Article number6190726
Pages (from-to)440-453
Number of pages14
JournalIEEE Transactions on Broadcasting
Volume58
Issue number3
DOIs
StatePublished - 2012

Fingerprint

Wireless networks
Fiber optic networks
Network protocols
Fibers
Medium access control
Telecommunication traffic
Agglomeration
Throughput

Keywords

  • EPON
  • FiWi
  • H.264 SVC
  • MAC layer protocol
  • prefetching
  • video streaming
  • wireless mesh network

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Media Technology

Cite this

VMP : A MAC protocol for EPON-based video-dominated FiWi access networks. / Ghazisaidi, Navid; Maier, Martin; Reisslein, Martin.

In: IEEE Transactions on Broadcasting, Vol. 58, No. 3, 6190726, 2012, p. 440-453.

Research output: Contribution to journalArticle

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