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A homotopy method for call admission control employing different user and service classes

Record type: Conference or Workshop Item (Paper)

This paper addresses power controlled call admission for interference limited mobile communication networks that controls user classes with different priorities as well as service classes with different quality-of-service constraints. The idea is to mathematically formulate the power controlled admission as a homotopy method. This novel and generic approach enables network operators to flexible define a user/service-specific admission policy in order to handle users with different access priorities and/or different service classes. As an example, we can interactively control the access of high priority users by dynamically adjusting the service quality of already active users with low priority. On the other hand, the proposed approach also allows for safe and soft call admission. That is, to prevent a QoS deterioration in the active links and to assure acceptance of new users, if and only if all users can be supported at their required QoS. Due its generic character the proposed method gains new insight in power control and admission theory. Beside describing the admission approach we also study the existence of power solutions and show results for different pre-defined admission control functions when applied in a CDMA based cellular system.

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Citation

Jurgens, Lars, Dekorsy, Armin and Fliege, Jörg (2006) A homotopy method for call admission control employing different user and service classes In 2005 IEEE 16th International Symposium on Personal, Indoor and Mobile Radio Communications. Institute of Electrical and Electronics Engineers. 4 pp, pp. 1880-1884. (doi:10.1109/PIMRC.2005.1651767).

More information

Published date: 24 July 2006
Venue - Dates: 16th International Symposium on Personal, Indoor and Mobile Radio Communications, 2005-09-11 - 2005-09-14
Organisations: Operational Research

Identifiers

Local EPrints ID: 54535
URI: http://eprints.soton.ac.uk/id/eprint/54535
ISBN: 9783800729098
PURE UUID: 5fea9db1-d052-4b49-abb1-afd4107af6e3

Catalogue record

Date deposited: 28 Jul 2008
Last modified: 17 Jul 2017 14:35

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Contributors

Author: Lars Jurgens
Author: Armin Dekorsy
Author: Jörg Fliege

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