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Integration of Media Point System in UMTS to provide Session Handover for SIP-based Multimedia Services

Authors
Herwono, Ian and Sachs, Joachim and Keller, Ralf
Department of Communication Networks (ComNets), Faculty 6, RWTH Aachen University Kontakt: publications@comnets.rwth-aachen.de

In Proceedings of 16th Annual IEEE International Symposium on Personal Indoor and Mobile Radio Communications, p. 6, Berlin, Germany, 2005.
Publication Date: Sep, 2005
On page(s):6
ISBN: 3-8007-2909-1

Abstract
This paper describes a proposal for the tight-coupling integration of WLAN-based Media Points and 3GPP/UMTS systems. The approach extends the SIP based session management and mobility management proposed for a standalone Media Point network by connecting it to the UMTS network. The integration aims to provide seamless continuity for SIP-based services when performing vertical radio handover from UMTS to WLAN. The proposed solution builds largely on existing procedures, like the standard UMTS control plane protocols and the IETF CTP (Context Transfer Protocol). Session continuity is provided by keeping the current local IP address in the user terminal after handover. In order to save battery the usage of 3GPP Location Service mechanisms is proposed, which allow to switch off WLAN modules outside the WLAN coverage area.

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Bibtex

@ARTICLE{HeSaKe-PIMRC2005,
  AUTHOR          = {Herwono, I. and Sachs, J. and Keller, R.},
  TITLE           = {Integration of Media Point System in UMTS to provide Session Handover
                    for SIP-based Multimedia Services},
  YEAR            = {2005},
  MONTH           = {Sep},
  PAGES           = {6},
  ADDRESS         = {Berlin, Germany},
  BOOKTITLE       = {Proceedings of 16th Annual IEEE International Symposium on Personal
                    Indoor and Mobile Radio Communications},
  AFFILIATION     = {Department of Communication Networks (ComNets), Faculty 6, RWTH Aachen University},
  ISBN            = {3-8007-2909-1},
  LANGUAGE        = {English},
  ANNOTE          = {Media Points, SIP, WLAN, UMTS, Session Handover},
  URL             = {http://www.comnets.rwth-aachen.de} 
}

Signature in CN-Library = {QI002 (2005)}

Letzte Änderung: 8.05.2008 12.16