A novel ring-based performance analysis for call admission control in wireless networks

Authors:
Duk Kyung Kim;David Griffith;Nada Golmie
Affiliations:
Inha University, Korea;National Institute of Standards and Technology, Gaithersburg, MD;National Institute of Standards and Technology, Gaithersburg, MD
Venue:
IEEE Communications Letters
Year:
2010

Citing 2
Cited 1

Resource Allocation for Delay Differentiated Traffic in Multiuser OFDM Systems

IEEE Transactions on Wireless Communications
Call admission control for QoS provisioning in 4G wireless networks: issues and approaches

IEEE Network: The Magazine of Global Internetworking

A new call admission control scheme for heterogeneous wireless networks

IEEE Transactions on Wireless Communications

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Abstract

In Orthogonal Frequency Division Multiplex (OFDM) wireless networks such as 3GPP LTE and IEEE 802.16 WiMAX, the scheduler should allocate more resources to users with lower channel quality, such as users near the edge of the Base Station (BS) coverage area who are attempting handovers. In conventional queue-based models, this feature has not been considered in Call Admission Control (CAC) so far. In this letter, we propose a new ring-based model of the BS coverage area to allow a more detailed and accurate analysis. We determine mobility-related parameters such as call dropping probability due to mobility, and validate our results using simulations.