Esquema Adaptativo de Reserva para el Control de Admisión Jerárquico en Redes Móviles Celulares (Adaptive Reservation Scheme for Hierarchical Admission Control in Mobile Cellular Networks)

David García Roger (dagarro@doctor.upv.es), Mª José Doménech Benlloch (mdoben@doctor.upv.es), Jorge Martínez Bauset (jmartinez@unpvnet.upv.es), Vicent Pla Boscà (vpla@dcom.upv.es)


Universidad Politécnica de Valencia
This paper appears in: Revista IEEE América Latina

Publication Date: Dec. 2006
Volume: 4,   Issue: 6 
ISSN: 1548-0992


Abstract:
We propose an adaptive reservation scheme designed to operate in association with the Multiple Guard Channel (MGC) admission control policy. The scheme adjusts the MGC configuration parameters by continuously tracking the Quality of Service (QoS) perceived by users, adapting to any mix of aggregated traffic and enforcing a differentiated treatment among arrival streams during underload and overload episodes. We provide two implementations of the scheme. The performance evaluation carried out verifies that the QoS objective is met with an excellent precision and that it converges rapidly to new operating conditions. Other key features of our scheme are its simplicity, its oscillation-free behavior, and its integrated strategy to deal with multiservice scenarios.

Index Terms:
Adaptive control, land mobile radio cellular systems, Markov processes, modeling, multimedia systems, optimal control   


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