An analysis of VoIP service using 1×EV-DO revision a system

Authors:
Qi Bi;Pi-Chun Chen;Yang Yang;Qinqing Zhang
Affiliations:
Bell Labs., Whippany, NJ, USA;-;-;-
Venue:
IEEE Journal on Selected Areas in Communications
Year:
2006

Citing 0
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Smart resource allocation algorithm considering voice activity for VoIP services in mobile-WiMAX system

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Abstract

While voice-over-Internet protocol (VoIP) on wireline network is maturing, VoIP on wireless mobile network is still in its infancy. This disparity is due to the fact that the wireline bandwidth is abundant and can be traded off for delay performance and overhead, whereas bandwidth in wireless mobile network is still a scarce resource. With the deployment of 1×EV-DO revision 0 (DOr0) worldwide, the spectrum efficiency has been significantly improved. However, DOr0 still lacks of features essential for VoIP. For this reason, 1×EV-DO revision A (DOrA) has been standardized in the 3GPP2 with many improvements favorable for VoIP implementation. In this paper, we identify challenges and explore the feasibility of implementing VoIP using DOrA. We develop both analytical and simulation models to evaluate the VoIP capacity and delay performance over the air interface.