Article Abstract

	Title:	Call admission control for multitier networks with integrated voice and data services
	Author:	O. Alani, M. Al-Akaidi, J. Ivins
	Address:	School of Engineering and Technology, De Montfort University, Leicester LE1 9BH, UK. ' School of Engineering and Technology, De Montfort University, Leicester LE1 9BH, UK. ' School of Engineering and Technology, De Montfort University, Leicester LE1 9BH, UK
	Journal:	International Journal of Mobile Communications 2007 - Vol. 5, No.5  pp. 540 - 557
	Abstract:	Hierarchical Cell Structure (HCS) has become a major trend in the design of Third Generation (3G) system networks in order to support the high capacity demand required for multimedia traffic in 3G systems. In this type of network, an efficient call admission scheme is required to improve the Quality of Service (QoS) of the system in terms of dropping probability, blocking probability, and channel utilisation. This paper proposed and analysed a call admission scheme for supporting both voice and data traffic in HCS that uses both guard channels and queuing to handle the communication traffic in the system shows improvement in the performance of the system when a guard channel used.
	Keywords:	blocking probability; dropping probability; integrated services; multitier networks; call admission control; voice services; data services; 3G networks; third generation; multimedia; hierarchical cell structure; quality of service; QoS; guard channel; mobile communications.
	DOI:	10.1504/IJMC.2007.013932
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