Efficient Architecture and Handoff Strategy used for VoIP Sessions in SIP Based Wireless Networks

doi:10.1007/s11277-006-9218-3

淡江大學機構典藏 > 工學院 > 電機工程學系暨研究所 > 期刊論文 > Item 987654321/60920

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題名:	Efficient Architecture and Handoff Strategy used for VoIP Sessions in SIP Based Wireless Networks
作者:	吳庭育;Jhang, Rong-wei;Chao, Han-chieh
貢獻者:	淡江大學電機工程學系
關鍵詞:	VoI;PIP mobility;SIP;RSVP;QoS
日期:	2007-10-01
上傳時間:	2011-10-15 01:05:38 (UTC+8)
摘要:	In the near future, the Internet is likely to become an All-IP network that provides various multimedia services over wireless networks. Although the earliest VoIP applications did not consider the end-node mobility, researchers have attempted to support mobility in current VoIP protocols, such as Session Initial Protocol (SIP)-based mobility. The SIP-based mobility is considered because it can readily support mobility. However, calling disruptions may occur in traditional SIP mid-call terminal mobility because handoff procedure may be required, depending on the implementation and the real network deployment considerations. In any case, issues in the combined SIP/RSVP for guaranteeing QoS of VoIP service under mobile environment are also considered to be crucial. Therefore, this study describes the solutions by devising novel hierarchy network architecture. Also, the mechanisms including help with neighboring users in adjacent cells and the third party call control to overcome those issues are included. The simulation results indicate that the proposed technique is practical and better executive than conventional schemes.
關聯:	Wireless Personal Communications 43, pp.201-214
DOI:	10.1007/s11277-006-9218-3
顯示於類別:	[電機工程學系暨研究所] 期刊論文

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