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dc.contributor.authorTsai, Meng-Hsunen_US
dc.contributor.authorLin, Yi-Bingen_US
dc.contributor.authorWang, Hsiao-Hanen_US
dc.date.accessioned2014-12-08T15:23:52Z-
dc.date.available2014-12-08T15:23:52Z-
dc.date.issued2009-01-01en_US
dc.identifier.isbn978-1-4244-4153-2en_US
dc.identifier.issnen_US
dc.identifier.urihttp://hdl.handle.net/11536/16617-
dc.description.abstractThe IP Multimedia Core Network Subsystem (IMS) provides multimedia services for Universal Mobile Telecommunications System (UMTS). In IMS, an emergency call is established by an Emergency Call Session Control Function (E-CSCF). The E-CSCF dispatches the call to the nearest Public Safety Answering Point (PSAP) according to the location of the caller. After emergency call setup, the caller's location is tracked by the PSAP through Location Polling. This paper investigates the performance of location tracking. Then we propose the Active Location Reporting scheme to improve the performance of location tracking. Our study indicates that the Active Location Reporting scheme may significantly outperform the Location Polling scheme.en_US
dc.language.isoen_USen_US
dc.subjectEmergency callen_US
dc.subjectIP multimedia core network subsystem (IMS)en_US
dc.subjectlocation trackingen_US
dc.subjectUniversal Mobile Telecommunications System (UMTS)en_US
dc.titleActive Location Reporting for Emergency Call in UMTS IP Multimedia Subsystemen_US
dc.typeProceedings Paperen_US
dc.identifier.journalMDM: 2009 10TH INTERNATIONAL CONFERENCE ON MOBILE DATA MANAGEMENTen_US
dc.citation.volumeen_US
dc.citation.issueen_US
dc.citation.spage311en_US
dc.citation.epage316en_US
dc.contributor.department資訊工程學系zh_TW
dc.contributor.departmentDepartment of Computer Scienceen_US
dc.identifier.wosnumberWOS:000273978000036-
Appears in Collections:Conferences Paper


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