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Teletraffic analysis of hierarchical cellular communication networks

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3 Author(s)
Boggia, G. ; Dipt. di Elettrotecnica. ed Elettronica, Politecnico di Bari, Italy ; Camarda, P. ; Di Fonzo, N.

The sustained increase of users and the request for advanced multimedia services are amongst the key motivations for designing new high-capacity cellular telecommunication systems. The proposals that are being pursued by several studies and field implementations consider hierarchical architectures and dynamic resource allocation. A hierarchical cellular communication network is analyzed, taking user mobility into account and exploiting dynamic channel-allocation schemes. In particular, a finite number of users has been considered, moving at different speeds in a geographical region covered by a finite number of cells structured in two hierarchical levels: micro- and macrocells. For such a system, mobility and traffic models have been developed, both based on queueing networks analyzing maximum packing (MP), a dynamic channel-allocation scheme. The obtained results, validated by simulation experiments, allow the evaluation of main system-performance parameters in terms of new-call and handoff blocking probabilities, and forced-termination probability as a function of load and system parameters.

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Vehicular Technology, IEEE Transactions on  (Volume:52 ,  Issue: 4 )