NDLI: Call Admission control for voice/data integration in broadband wireless networks (2006)

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Call Admission control for voice/data integration in broadband wireless networks (2006)

Content Provider	CiteSeerX
Author	Ghaderi, Majid Boutaba, Raouf
Abstract	This paper addresses bandwidth allocation for an integrated voice/data broadband mobile wireless network. Specifically, we propose a new admission control scheme called EFGC, which is an extension of the well-known fractional guard channel scheme proposed for cellular networks supporting voice traffic. The main idea is to use two acceptance ratios, one for voice calls and the other for data calls in order to maintain the proportional service quality for voice and data traffic while guaranteeing a target handoff failure probability for voice calls. We describe two variations of the proposed scheme: EFGC-REST, a conservative approach which aims at preserving the proportional service quality by sacrificing the bandwidth utilization; and EFGC-UTIL, a greedy approach which achieves higher bandwidth utilization at the expense of increasing the handoff failure probability for voice calls. Extensive simulation results show that our schemes satisfy the hard constraints on handoff failure probability and service differentiation while maintaining a high bandwidth utilization.
File Format	PDF
Journal	IEEE Trans. Mobile Comp
Language	English
Publisher Date	2006-01-01
Access Restriction	Open
Subject Keyword	Broadband Wireless Network Voice Data Integration Admission Control Voice Call Handoff Failure Probability Proportional Service Quality Bandwidth Utilization Extensive Simulation Result New Admission Control Scheme Well-known Fractional Guard Channel Scheme Service Differentiation Mobile Wireless Network Target Handoff Failure Probability Voice Traffic Integrated Voice Data Hard Constraint Acceptance Ratio Data Call Bandwidth Allocation Main Idea Cellular Network Greedy Approach High Bandwidth Utilization Data Traffic Conservative Approach
Content Type	Text
Resource Type	Article

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