標題: Modeling channel assignment of small-scale cellular networks
作者: Hung, HN
Lee, PC
Lin, YB
Peng, NF
統計學研究所
資訊工程學系
Institute of Statistics
Department of Computer Science
關鍵字: call duration time;cellular network;channel assignment;handover
公開日期: 1-Mar-2005
摘要: In a cellular telecommunications network, the call blocking, forced termination, and call incompletion probabilities are major output measures of system performance. Most previous analytic studies assumed that the handover traffic to a cell is a fixed-rate Poisson process. Such assumption may cause significant inaccuracy in modeling. This paper shows that the handover traffic to a cell depends on the workloads of the neighboring cells. Based on this observation, we derive the exact equation for the handover force-termination probability when the mobile station (MS) cell residence times are exponentially distributed. Then, we propose an approximate model with general MS cell residence time distributions. The results are compared with a previously proposed model. Our comparison study indicates that the new model can capture the handover behavior much better than the old one for small-scale cellular networks.
URI: http://dx.doi.org/10.1109/TWC.2004.842946
http://hdl.handle.net/11536/13944
ISSN: 1536-1276
DOI: 10.1109/TWC.2004.842946
期刊: IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS
Volume: 4
Issue: 2
起始頁: 646
結束頁: 652
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