Teletraffic analysis of cellular communication systems with general mobility based on hyper-Erlang characterization

This paper proposes a new analytical model for the performance evaluation of cellular communication systems. Our model allows more general cases of the distributions of the call time and the cell residence time. Based on the characterization of the call time by a hyper-Erlang distribution, the Lapla...

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Bibliographic Details
Published in:Computers & industrial engineering 2002-06, Vol.42 (2), p.507-520
Main Authors: Yeo, Kunmin, Jun, Chi-Hyuck
Format: Article
Language:English
Subjects:
Applied sciences
Blocking probability
Call time
Cell residence time
Cellular communications
Cellular telephones
Channel occupancy time
Communications networks
Computer science
control theory
systems
Computer systems and distributed systems. User interface
Computer systems performance. Reliability
Exact sciences and technology
Forced termination probability
Hyper-Erlang distribution
Laplace transforms
Software
Studies
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Summary:This paper proposes a new analytical model for the performance evaluation of cellular communication systems. Our model allows more general cases of the distributions of the call time and the cell residence time. Based on the characterization of the call time by a hyper-Erlang distribution, the Laplace transform of the channel occupancy time distribution is derived as a function of the Laplace transform of the cell residence time distribution. In particular, the essential quality of service measure such as the forced termination probability is exactly obtained by using a delayed renewal process. From numerical results, it is shown that the non-exponential model has an obvious difference in performance as compared to exponential models.
ISSN:0360-8352
1879-0550
DOI:10.1016/S0360-8352(02)00028-1