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    An adaptive connection admission control algorithm for UMTS based satellite system with variable capacity supporting multimedia services

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    Publication date
    2013
    Author
    Pillai, Anju
    Hu, Yim Fun
    Halliwell, Rosemary A.
    Keyword
    Connection Admission Control (CAC); Universal Mobile Telecommunication System (UMTS); MATLAB; Multimedia traffic
    
    Metadata
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    Abstract
    This paper is focused on the design of an adaptive Connection Admission Control (CAC) algorithm for a Universal Mobile Telecommunication System (UMTS) based satellite system with variable link capacity. The main feature of the proposed algorithm is to maximize the resource utilization by adapting to the link conditions and the antenna gain of the users. The link quality of the user may vary depending on the weather condition, user mobility and any other propagation factors. The algorithm is compared against a non-adaptive admission control algorithm under different test cases. The proposed CAC algorithm is simulated using MATLAB and the performance results are obtained for a mix of multimedia traffic classes such as video streaming, web browsing, netted voice and email. The simulation results indicate a higher system performance in terms of the blocking ratio and the number of admitted connections.
    URI
    http://hdl.handle.net/10454/9715
    Version
    No full-text in the repository
    Citation
    Pillai A, Hu YF and Halliwell R (2013) An adaptive connection admission control algorithm for UMTS based satellite system with variable capacity supporting multimedia services. In: Pillai P., Shorey R., Ferro E. (eds) Personal Satellite Services: 4th International ICST Conference, PSATS 2012. Bradford, UK: 22-23 March 2012. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, Vol 52, pp. 9-16. Berlin, Heidelberg: Springer.
    Link to publisher’s version
    http://dx.doi.org/10.1007/978-3-642-36787-8_2
    Type
    Conference Paper
    Collections
    Engineering and Informatics Publications

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