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ThinkMind // ICWMC 2014, The Tenth International Conference on Wireless and Mobile Communications // View article icwmc_2014_4_40_20104


An End-to-End QoS Performance Evaluation of VoLTE in 4G E-UTRAN-based Wireless Networks

Authors:
Myasar Tabany
Chris Guy

Keywords: VoLTE; E-UTRAN; LTE; QoS; IMS.

Abstract:
Long Term Evolution (LTE) is the Fourth-Generation (4G) mobile broadband technology. Its standardization has been finalized by Third-Generation Partnership Project (3GPP) in Release 8 technical specifications (R8). As users’ demand for higher data rate continues to rise, LTE and its ability to cost effectively provide fast, highly responsive mobile data services, a scalable bandwidth and a reduced latency will become ever more important. However, the Evolved Packet Core (EPC) of the Evolved Universal Terrestrial Radio Access Network (E-UTRAN) based wireless networks (LTE and LTE-Advanced) is all-IP Packet-Switched (PS) core network and lacks native support for Circuit-Switched (CS) services. This introduces the problem of how to provide voice services in these networks. The controversy around many of the proposed solutions to provide a PS voice and the effects of this step on the deployment of LTE networks is presented. This paper also deals with the Quality of Service (QoS) in a Voice over LTE (VoLTE) service. It provides a comprehensive evaluation and validation of VoLTE QoS based on the International Telecommunication Union standard Recommendations (ITU-R) and 3GPP standard technical specifications. The initial results obtained give clear evidence that the VoLTE service fulfills the ITU-R and 3GPP standard requirements in terms of end-to-end delay, jitter and packet loss rate. Furthermore, the results related to implementing different LTE bandwidths clearly reflect how these bandwidths affect the overall network performance and end-user experience.

Pages: 90 to 97

Copyright: Copyright (c) IARIA, 2014

Publication date: June 22, 2014

Published in: conference

ISSN: 2308-4219

ISBN: 978-1-61208-347-6

Location: Seville, Spain

Dates: from June 22, 2014 to June 26, 2014

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