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Handover Based IMS Registration Scheme for Next Generation Mobile Networks
Department of Computer Science and Software Engineering, International Islamic University, Islamabad.
Department of Computer Science and Software Engineering, International Islamic University, Islamabad.
Department of Computer Science, National University of Modern Languages, Islamabad .
College of Computer and Information Sciences, King Saud University.
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2017 (English)In: Wireless Communications & Mobile Computing, ISSN 1530-8669, E-ISSN 1530-8677, Vol. 2017, 8789513Article in journal (Refereed) Published
Abstract [en]

Next generation mobile networks aim to provide faster speed and more capacity along with energy efficiency to support video streaming andmassive data sharing in social and communication networks. In these networks, user equipment has to register with IPMultimedia Subsystem (IMS) which promises quality of service to the mobile users that frequently move across different access networks. After each handover caused due to mobility, IMS provides IPSec Security Association establishment and authentication phases. The main issue is that unnecessary reregistration after every handover results in latency and communication overhead. To tackle these issues, this paper presents a lightweight Fast IMS Mobility (FIM) registration scheme that avoids unnecessary conventional registration phases such as security associations, authentication, and authorization. FIM maintains a flag to avoid deregistration and sends a subsequent message to provide necessary parameters to IMS servers after mobility. It also handles the change of IP address for user equipment and transferring the security associations from old to new servers. We have validated the performance of FIM by developing a testbed consisting of IMS servers and user equipment. The experimental results demonstrate the performance supremacy of FIM. It reduces media disruption time, number of messages, and packet loss up to 67%, 100%, and 61%, respectively, as compared to preliminaries.

Place, publisher, year, edition, pages
WILEY-HINDAWI , 2017. Vol. 2017, 8789513
National Category
Media and Communication Technology
Research subject
Mobile and Pervasive Computing
Identifiers
URN: urn:nbn:se:ltu:diva-66235DOI: 10.1155/2017/8789513ISI: 000412144600001Scopus ID: 2-s2.0-85032009249OAI: oai:DiVA.org:ltu-66235DiVA: diva2:1152263
Note

Validerad;2017;Nivå 2;2017-10-24 (andbra)

Available from: 2017-10-24 Created: 2017-10-24 Last updated: 2017-11-24Bibliographically approved

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