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Reducing Call Setup Latency in Mobile VoIP Systems
- Pack, Sangheon;
- Park, Gwangwoo;
- Kim, Younghyun;
- Lee, Wonjun
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4초록
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.
키워드
Mobile VoIP; SIP; location management; WIRELESS NETWORKS; SIP; MANAGEMENT; SERVICES; DELAY
- 제목
- Reducing Call Setup Latency in Mobile VoIP Systems
- 저자
- Pack, Sangheon; Park, Gwangwoo; Kim, Younghyun; Lee, Wonjun
- 발행일
- 2011-10
- 유형
- Article
- 권
- 15
- 호
- 10
- 페이지
- 1126 ~ 1128