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Template-Based Signaling Compression for Push-To-Talk over Cellular (PoC)

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Principles, Systems and Applications of IP Telecommunications. Services and Security for Next Generation Networks (IPTComm 2008)

Part of the book series: Lecture Notes in Computer Science ((LNCCN,volume 5310))

Abstract

The Session Initiation Protocol (SIP) has been chosen as the standard signaling protocol for the IP Multimedia Subsystem (IMS). SIP is a text-based protocol with messages often exceeding 1000 bytes in size, thus causing high call set-up delays on low bit-rate links.

Signaling Compression (SigComp) is currently the only option cellular operators have for the compression of signaling messages. We study the performance of SigComp, showing that SigComp cannot achieve the level of compression required by Push-To-Talk over Cellular (PoC) services in the IMS. Furthermore, we propose an alternative compression mechanism, namely Template Based Compression (TBC), and show through measurements how we can achieve higher compression ratios than SigComp, satisfying the requirements for PoC on low bit-rate links.

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Author information

Authors and Affiliations

  1. Columbia University, New York, NY, USA

    Andrea G. Forte & Henning Schulzrinne

Authors
  1. Andrea G. Forte
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  2. Henning Schulzrinne
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Editor information

Editors and Affiliations

  1. Department of Computer Science, University of Columbia, 1214 Amsterdam Avenue, NY 10027-7003, New York, USA

    Henning Schulzrinne

  2. Centre de Recherche INRIA Nancy, Grand Est 615, rue du jardin botanique, Villers-les-Nancy, France

    Radu State

  3. NEC Laboratories Europe, Network Research Division, Kurfürstenanlage 36, 69115, Heidelberg, Germany

    Saverio Niccolini

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© 2008 Springer-Verlag Berlin Heidelberg

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Forte, A.G., Schulzrinne, H. (2008). Template-Based Signaling Compression for Push-To-Talk over Cellular (PoC). In: Schulzrinne, H., State, R., Niccolini, S. (eds) Principles, Systems and Applications of IP Telecommunications. Services and Security for Next Generation Networks. IPTComm 2008. Lecture Notes in Computer Science, vol 5310. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-89054-6_15

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  • DOI: https://doi.org/10.1007/978-3-540-89054-6_15

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-89053-9

  • Online ISBN: 978-3-540-89054-6

  • eBook Packages: Computer ScienceComputer Science (R0)

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