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Capacity Evaluation of VoIP Service over HSDPA with Frame-Bundling  

Hwang, Jong-Yoon (연세대학교 전기전자공학과 통신시스템 연구실)
Kim, Yong-Seok (삼성전자 정보통신총괄 통신연구소)
Whang, Keum-Chan (연세대학교 전기전자공학과 통신시스템 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.32, no.3B, 2007 , pp. 161-167 More about this Journal
Abstract
In this paper, we evaluate the capacity of voice over internet protocol (VoIP) services over high-speed downlink packet access (HSDPA), in which frame-bundling (FB) is incorporated to reduce the effect of relatively large headers in the IP/UDP/RTP layers. Also, a modified proportional pair (PF) packet scheduler design supporting for VoIP service is provided. The main focus of this work is the effect of FB on system outage based on delay budget in radio access networks. Simulation results show that VoIP system performance with FB scheme is highly sensitive to delay budget. We also conclude that HSDPA is attractive for transmission of VoIP if compared to the circuit switched (CS) voice that is used in WCDMA (Release'99).
Keywords
VoIP; HSDPA; Frame-bundling; Capacity; Scheduling;
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