Teletraffic analysis of hierarchical cellular communication networks

被引:17
|
作者
Boggia, G [1 ]
Camarda, P
Di Fonzo, N
机构
[1] Dipartimento Elettrotecn & Elettron, Politecn Bari, I-70125 Bari, Italy
[2] Siemens Business Serv, I-00155 Rome, Italy
关键词
cellular networks; hierarchical network; queueing model; user mobility;
D O I
10.1109/TVT.2003.808804
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The sustained increase of users and the request for advanced multimedia services are some of 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. In this paper, 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 (NIP), 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.
引用
收藏
页码:931 / 946
页数:16
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