Reducing call setup latency in mobile VoIP systems

Sangheon Pack; Gwangwoo Park; Younghyun Kim; Wonjun Lee

doi:10.1109/LCOMM.2011.082611.110527

Reducing call setup latency in mobile VoIP systems

Sangheon Pack, Gwangwoo Park, Younghyun Kim, Wonjun Lee

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

In mobile voice over IP (VoIP) systems, user mobility leads to the increased call setup latency to find out the current location of user, which has a negative impact on users call quality. In this letter, we propose a prefetching technique for user location to reduce the call setup latency. We develop an analytical model and investigate the impacts of mobility parameters and thresholds.

Original language	English
Article number	6008529
Pages (from-to)	1126-1128
Number of pages	3
Journal	IEEE Communications Letters
Volume	15
Issue number	10
DOIs	https://doi.org/10.1109/LCOMM.2011.082611.110527
Publication status	Published - 2011 Oct

Keywords

Mobile VoIP
SIP
location management

ASJC Scopus subject areas

Modelling and Simulation
Computer Science Applications
Electrical and Electronic Engineering

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10.1109/LCOMM.2011.082611.110527

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