Reducing Call Setup Latency in Mobile VoIP Systems
- Authors
- Pack, Sangheon; Park, Gwangwoo; Kim, Younghyun; Lee, Wonjun
- Issue Date
- 10월-2011
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Mobile VoIP; SIP; location management
- Citation
- IEEE COMMUNICATIONS LETTERS, v.15, no.10, pp.1126 - 1128
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE COMMUNICATIONS LETTERS
- Volume
- 15
- Number
- 10
- Start Page
- 1126
- End Page
- 1128
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/111552
- DOI
- 10.1109/LCOMM.2011.082611.110527
- ISSN
- 1089-7798
- 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.
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- Appears in
Collections - College of Engineering > School of Electrical Engineering > 1. Journal Articles
- School of Cyber Security > Department of Information Security > 1. Journal Articles
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