Performance of a dynamic channel assignment technique in hierarchical structure for mobile communications networks

Authors:
K. Ioannou;E. Dimitriadou;A. Ioannou;I. Panoutsopoulos;S. Kotsopoulos
Affiliations:
Wireless Telecommunication Laboratory, Dept. of Electrical and Computer Engineering, University of Patras, Patras, Greece;Wireless Telecommunication Laboratory, Dept. of Electrical and Computer Engineering, University of Patras, Patras, Greece;Hellenic Organization of Telecommunications S.A, Mesolonghi, Greece;Wireless Telecommunication Laboratory, Dept. of Electrical and Computer Engineering, University of Patras, Patras, Greece;Wireless Telecommunication Laboratory, Dept. of Electrical and Computer Engineering, University of Patras, Patras, Greece
Venue:
AIC'05 Proceedings of the 5th WSEAS International Conference on Applied Informatics and Communications
Year:
2005

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Abstract

This paper presents a dynamic channel assignment technique in hierarchical structure for Mobile Communications Networks. This technique optimizes the handover call blocking probability performance of High-Speed Moving Terminals (HSMT). Traffic of Low-Speed Moving Terminals (LSMT) is absorbed by a micro cellular architecture solution and traffic of new calls of HSMT is abrorbed by a higher layer architecture, based on a macro cell umbrella solution. The results show, that assigning dynamically in the time period the optimum number of channels in each microcell and in each layer, the handover call blocking probability of HSMT is optimized without affecting the mean call blocking probability of microcellular layer.