NDLI: Adaptive guard channel based CAC scheme in a 3G-WLAN integrated network

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Adaptive guard channel based CAC scheme in a 3G-WLAN integrated network

Content Provider	ACM Digital Library
Author	Hwang, Gang Uk Park, Jae Man
Abstract	In wireless networks, guard channel based Call Admission Control (CAC) schemes are widely used to protect handoff calls for seamless wireless services. However, the introduction of the guard channels in wireless networks results in the increase in the new call blocking probability. This general situation also occurs in a 3G-WLAN integrated network. To solve this problem in a 3G-WLAN integrated network for QoS support, we propose an adaptive guard channel based Call Admission Control (CAC) scheme in this paper. The main objective of our guard channel based CAC scheme is to alleviate the increase in the new call blocking probability due to guard channels while it can still protect the handoff calls. For the design of our adaptive guard channel based CAC scheme, we first develop and analyze a performance model for a general guard channel based CAC scheme based on a non-homogeneous quasi birth and death model. The analytic results are used to design our adaptive guard channel based CAC scheme. Numerical studies show that our adaptive guard channel based CAC scheme can achieve its objective.
Starting Page	1
Ending Page	8
Page Count	8
File Format	PDF
ISBN	9781605585628
DOI	10.1145/1626553.1626557
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2009-07-29
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Call admission control 3g-wlan integrated network Guard channel Non-homogeneous qbd Quality of service Performance analysis
Content Type	Text
Resource Type	Article

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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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