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Title: A modified distributed call admission control scheme and its performance
Authors: Jiang, S. 
Li, B.
Luo, X.
Tsang, D.H.K.
Keywords: Cellular networks
Distributed call admission control
Guarantee of handoff dropping probability
Issue Date: Mar-2001
Source: Jiang, S., Li, B., Luo, X., Tsang, D.H.K. (2001-03). A modified distributed call admission control scheme and its performance. Wireless Networks 7 (2) : 127-138. ScholarBank@NUS Repository.
Abstract: Call admission control is one of the key elements to guarantee the handoff call dropping probability in cellular networks. Among numerous proposals in the literature, the distributed call admission control policy (DCAC) seems to be promising, due to its simplicity and adaptability to changing traffic. However, one crucial assumption used in DCAC is that the actually admitted new calls has to obey a Poisson process to enter the network after the call admission control. Given the dynamic and distributed nature of the control process, this can neither be validated nor be easily implemented. In this paper, we will first discuss a generalized DCAC which eliminates the above assumption and can be used in general environments. Then, a mobility-aware DCAC is introduced, which considers the difference of handoff support between low and high mobility calls in making the CAC decision in order to improve channel utilization. The performance of the modified DCAC scheme is investigated through simulation studies.
Source Title: Wireless Networks
ISSN: 10220038
DOI: 10.1023/A:1016681405149
Appears in Collections:Staff Publications

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