Teletraffic modeling and analysis of flexible hierarchical cellular networks with speed-sensitive handoff strategy

Hierarchical cellular networks with subscribers of varying mobility are considered. Microcells are used to address the high-intensity traffic of mainly slow mobility areas, and macrocells are overlaid over the microcells to cater mainly to high-mobility lower density traffic. The two tiers of microc...

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Bibliographic Details
Published inIEEE journal on selected areas in communications Vol. 15; no. 8; pp. 1539 - 1548
Main Authors Jabbari, B., Fuhrmann, W.F.
Format Journal Article
LanguageEnglish
Published IEEE 01.10.1997
Subjects
Analytical models
Hierarchical systems
Land mobile radio cellular systems
Macrocell networks
Microcell networks
Monitoring
Performance gain
Telecommunication traffic
Traffic control
Velocity measurement
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Summary:Hierarchical cellular networks with subscribers of varying mobility are considered. Microcells are used to address the high-intensity traffic of mainly slow mobility areas, and macrocells are overlaid over the microcells to cater mainly to high-mobility lower density traffic. The two tiers of microcells and macrocells provide a secondary resource for new traffic as well as handoffs for mobile subscribers of different mobility classes. Furthermore, resources in alternate layers are monitored to assign the appropriate resource types when they become available. We develop an analytical model to evaluate the performance of such systems, and quantify the gain obtained by providing overflow to alternate resources as well as the advantages in resource reassignment according to the speed classification.
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ISSN:0733-8716
1558-0008
DOI:10.1109/49.634792