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Biobjective Optimization of Radio Access Technology Selection and Resource Allocation in Heterogeneous Wireless Networks

Please always quote using this URN: urn:nbn:de:0297-zib-42675
  • We propose a novel optimization model for resource assignment in heterogeneous wireless network. The model adopts two objective functions maximizing the number of served users and the minimum granted utility at once. A distinctive feature of our new model is to consider two consecutive time slots, in order to include handover as an additional decision dimension. Furthermore, the solution algorithm that we propose refines a heuristic solution approach recently proposed in literature, by considering a real joint optimization of the considered resources. The simulation study shows that the new model leads to a significant reduction in handover frequency, when compared to a traditional scheme based on maximum SNR.

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Author:Anna Zakrzewska, Fabio D'Andreagiovanni, Sarah Ruepp, Michael S. Berger
Document Type:ZIB-Report
Tag:Heterogeneous Wireless Networks, Biobjective Optimization, Mixed Integer Linear Programming, Simulation
MSC-Classification:68-XX COMPUTER SCIENCE (For papers involving machine computations and programs in a specific mathematical area, see Section -04 in that area)
90-XX OPERATIONS RESEARCH, MATHEMATICAL PROGRAMMING
94-XX INFORMATION AND COMMUNICATION, CIRCUITS
Date of first Publication:2013/10/03
Series (Serial Number):ZIB-Report (13-63)
ISSN:1438-0064
Published in:Appeared in: Proceedings of the 11th International Symposium on Modeling & Optimization in Mobile, Ad Hoc & Wireless Networks (WiOpt 2013) - RAWNET/WNC3’13, pp.652-658, 13-17 May 2013, Tsukuba Science City, Japan
URL:http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6576416&isnumber=6576384
Licence (German):License LogoCreative Commons - Namensnennung