Performability modelling of handoff in wireless cellular networks and the exact solution of system models with service rates dependent on numbers of originating and handoff calls.
Ever, Enver and Kirsal, Yonal and Gemikonakli, Orhan (2009) Performability modelling of handoff in wireless cellular networks and the exact solution of system models with service rates dependent on numbers of originating and handoff calls. In: First International Conference on Computational Intelligence, Modelling, and Simulation: proceedings. Kunovsky, Jiri and Hanacek, Petr and Zboril, Frantisek and Al-Dabass, David and Abraham, Ajith, eds. IEEE, pp. 282-287. ISBN 9781424452002
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Mobility is one of the major issues in the performance characterization of wireless communication systems. Various approaches exist in the literature for performance evaluation of mobile systems, especially the handoff phenomenon. However, since the probability of an ongoing call being dropped due to a handoff failure and the probability of a new call being blocked due to the temporary unavailability of an idle channel are main metrics that affect the performance of wireless cellular systems, it is essential to consider these systems for performability evaluation. In this paper, wireless cellular networks with failures and recovery are modelled. The service rates provided in each operative state are dependent on the number of originating calls as well as handoff calls coming from the neighbouring cells. The spectral expansion solution method together with an approach to handle the job dependent service rates is used. The numerical results are presented comparatively to validate the approximate approach presented previously.
|Item Type:||Book Section|
Conference held in Brno, Czech Republic, 7-9 September 2009.
|Research Areas:||School of Science and Technology > Computer and Communications Engineering|
|Deposited On:||01 Feb 2011 14:22|
|Last Modified:||23 May 2014 13:36|
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