Hierarchical ethernet transport network architecture for backhaul cellular networks

Eliav Menachi, Ran Giladi

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Cellular traffic has been going through major changes in recent years. With the introduction of broadband services in 3G/4G and the continuously increasing provided data rates in high-speed packet access and Long Term Evolution (LTE), a broad range of cellular applications has emerged, changing the characteristics of cellular traffic. The traditional circuit-switched voice traffic has been taken over by packet-oriented data traffic. This shift in traffic has driven operators to prefer packet-oriented network technologies over circuit-switch technology when implementing their cellular networks. The current offered technologies, including PBB-Traffic Engineering and MPLS-TP, lack important functionality required for LTE such as automation (simple management), traffic engineering, protection, Quality of Service, and scalability. We propose a scalable Hierarchical Ethernet Transport Network Architecture (HETNA), a layer 2 transport technology that addresses these issues and brings a viable solution for cellular networks. The suggested architecture can handle streaming, real-time, multicasting, and other applications. Both connection-oriented transport services and connectionless-oriented services are supported. HETNA was simulated and prototyped, showing significant improvements over regular Ethernet in terms of buffers and control messages that enable this network to function.

Original languageEnglish
Pages (from-to)1933-1943
Number of pages11
JournalWireless Networks
Volume19
Issue number8
DOIs
StatePublished - 1 Nov 2013

Keywords

  • Cellular backhaul
  • Ethernet
  • Mobile
  • Transport services

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