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Adaptive call admission control for QoS provisioning in multimedia wireless networks

Prihandoko, F. and Habaebi, Mohamed Hadi and Ali, Borhanuddin M. (2003) Adaptive call admission control for QoS provisioning in multimedia wireless networks. Computer Communications, 26 (14). pp. 1560-1569. ISSN 0140-3664

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Abstract

In this paper, we propose a new framework called adaptive quality of service (AdQoS) to guarantee the quality of service (QoS) of multimedia traffic generally classified as real-time and non-real-time. AdQos supports future generation wireless networks because it implements a traffic-based admission control, bandwidth reallocation and reservation schemes to support the different multimedia traffic. The objectives that AdQoS framework tries to accomplish are minimum new call blocking and handoff dropping rates. The key feature of this framework is the bandwidth reallocation scheme. This scheme is developed to control the bandwidth operation of ongoing connections when the system is overloaded. The performance of the system is evaluated through simulations of a realistic cellular environment. Simulation results show that our proposed scheme reduces the new call blocking probabilities, the handoff dropping probabilities and reduces significantly the probability of terminated calls while still maintaining efficient bandwidth utilization compared to conventional schemes proposed in the literature.

Item Type: Article (Journal)
Additional Information: 6727/36979
Uncontrolled Keywords: Quality of service; Wireless networks; Call admission control; Reservation; Mobile networks
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101 Telecommunication. Including telegraphy, radio, radar, television
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Engineering
Depositing User: Dr. Mohamed Hadi Habaebi
Date Deposited: 19 Jun 2014 12:54
Last Modified: 19 Jun 2014 12:54
URI: http://irep.iium.edu.my/id/eprint/36979

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