NDLI: I$^{3}$E: A Novel Call Admission Control Scheme for W-CDMA Systems

Content Provider	Springer Nature Link
Author	Capone, Antonio Redana, Simone
Copyright Year	2006
Abstract	Efficient Call Admission Control (CAC) techniques are of paramount importance to achieve a flexible radio resource utilization with W-CDMA systems like UMTS. In order to accept or reject a call, the CAC scheme should be able to estimate if the system can provide a Signal-to-Interference Ratio (SIR) high enough to the new call and to all the others. With symmetric traffic the more critical direction for the system capacity is the uplink and the CAC can consider this direction only. Received-Power based CAC (RP-CAC) are practical CAC schemes proposed for the uplink that estimate the system load measuring the total power received at the base stations (BSs). Simple RP-CAC schemes just compare the measured power at the BS where the call is initiated with a threshold (Single Cell RP-CAC) or also measure the power received by neighboring BSs (Multi Cell RP-CAC). More complex RP-CAC schemes try also to estimate the load increase due to the new call (Predictive RP-CAC). In this paper we compare the performance of these schemes and propose a new Predictive scheme, named Iterative Interference Increase Estimation (I$^{3}$E). We show that the advantage of using multi-cell strategy with respect to the single-cell one is negligible and that previously proposed Predictive RP-CAC techniques are not able to improve the performance in a remarkable way. On the contrary, I$^{3}$E CAC increases the accepted traffic while keeping the call dropping probability very low, and its performance approaches the upper bound obtained considering an ideal CAC.
Starting Page	81
Ending Page	97
Page Count	17
File Format	PDF
ISSN	09296212
Journal	Wireless Personal Communications
Volume Number	39
Issue Number	1
e-ISSN	1572834X
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2006-06-27
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	CAC CDMA UMTS Signal, Image and Speech Processing Electronic and Computer Engineering Processor Architectures
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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