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Optimal vertical handover control policies for co-operative wireless networks

Papadaki, Katerina and Friderikos, Vasilis (2006) Optimal vertical handover control policies for co-operative wireless networks. Journal of Communications and Networks, 8 (4). pp. 442-450. ISSN 1229-2370

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Abstract

Inter-operability between heterogeneous radio access technologies (RATs), in the sense of seamless vertical handover (VHO) support with common radio resource management (CRRM) functionalities, has recently attracted a significant research attention and has become a prominent issue in standardization fora. In this paper, we formulate the problem of load balancing between cooperative RAT¡¯s as a mathematical program and by trading off a pre-defined delay tolerance per request we propose a vertical handover batch processing (VHBP) scheme. To quantify the performance of the proposed VHBP scheme we compare it with a baseline processing scheme, where each VHO request is processed independently under a number of different network scenarios. Numerical investigations reveal significant net benefits of the proposed scheme compared with the baseline, both in terms of achieved load balancing levels but also with regard to the acceptance rate of the VHO requests.

Item Type: Article
Official URL: http://jcn.or.kr/home/journal/
Additional Information: © 2006 Journal of Communications and Networks
Library of Congress subject classification: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Sets: Research centres and groups > Management Science Group
Departments > Management
Rights: http://www.lse.ac.uk/library/usingTheLibrary/academicSupport/OA/depositYourResearch.aspx
Date Deposited: 08 Dec 2009 10:29
URL: http://eprints.lse.ac.uk/26202/

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