On the performance gains of VoIP aggregation and ROHC over a WirelessMAN-OFDMA air interface

Jarno Pinola, Esa Piri, Kostas Pentikousis

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

5 Citations (Scopus)

Abstract

A growing number of mobile WiMAX deployments are in progress world-wide and the technology is anticipated to play a key role in next generation mobile broadband wireless networks. However, although the theoretical potential of WiMAX technologies is already well established, independent, publicly released, thorough evaluations of WiMAX network performance in the real world are yet to become available. In this study, we consider synthetic Voice over IP (VoIP) performance over the WirelessMAN-OFDMA air interface of a state of the art mobile WiMAX testbed operating at the 3.5 GHz frequency band and quantify the benefits of employing VoIP aggregation and Robust Header Compression (ROHC). Although VoIP aggregation and ROHC have been proposed and thoroughly evaluated through simulation and modeling, this is the first study to present empirical results from employing them over the WirelessMAN-OFDMA air interface of a real-world WiMAX system. Our results indicate that the combined use of VoIP aggregation and ROHC can increase the number of flows sustained without loss by approximately a factor of three.
Original languageEnglish
Title of host publicationGLOBECOM 2009 - 2009 IEEE Global Telecommunications Conference
PublisherIEEE Institute of Electrical and Electronic Engineers
ISBN (Print)978-1-4244-4148-8
DOIs
Publication statusPublished - 2009
MoE publication typeA4 Article in a conference publication
EventIEEE Global Telecommunications Conference, GLOBECOM 2009 - Honolulu, United States
Duration: 30 Nov 20094 Dec 2009

Conference

ConferenceIEEE Global Telecommunications Conference, GLOBECOM 2009
Abbreviated titleGLOBECOM 2009
CountryUnited States
CityHonolulu
Period30/11/094/12/09

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Keywords

  • Mobile WiMAX
  • Empirical evaluation
  • IEEE 802.16
  • ROHC:VoIP aggregation
  • WirelessMAN-OFDMA

Cite this

Pinola, J., Piri, E., & Pentikousis, K. (2009). On the performance gains of VoIP aggregation and ROHC over a WirelessMAN-OFDMA air interface. In GLOBECOM 2009 - 2009 IEEE Global Telecommunications Conference IEEE Institute of Electrical and Electronic Engineers . https://doi.org/10.1109/GLOCOM.2009.5425317