Analysis of Call Admission Control Schemes for WLAN Coupled to 3G Network
S. Kokila1, R. Shankar2, P. Dananjayan3
1 S.Kokila, Post Graduate Student, Department of ECE, Pondicherry Engineering College, Pondicherry, India.
2R.Shankar, Research Scholar, Department of ECE, Pondicherry Engineering College, Pondicherry, India.
3P.Dananjayan, Professor, Department of ECE, Pondicherry Engineering College, Pondicherry, India.
Manuscript received on December 04, 2011. | Revised Manuscript received on December 27, 2011. | Manuscript published on January 05, 2012. | PP: 402-408 | Volume-1 Issue-6, January 2012. | Retrieval Number: F0352121611/2012©BEIESP
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© The Authors. Published By: Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: Convergence of wireless local area network (WLAN) and third generation (3G) wireless network is expected to create new markets for service providers and tender enhanced services to the integrated network users. In this paper, call admission control (CAC) schemes viz., throughput (TP) based CAC and dynamic partitioning (DP) CAC with service differentiation for WLAN coupled to 3G network have been analysed. The 3G/WLAN convergence network with TP based admission control is developed for loose, tight and hybrid coupled network. DP scheme, a resource allocation mechanism is also implemented, in which the differentiation between the data and voice calls are made by using different thresholds. The performance parameters such as delay, throughput, voice and data call blocking probabilities are analysed for different coupled networks.
Keywords: 3G/WLAN convergence network, call admission control, inter-networking.