Performance analysis in broadband wireless networks

被引：7

作者：

Rodríguez-Dagnino, RM ^{[1
]}

Leyva-Valenzuela, CA ^{[1
]}

机构：

[1] Elect & Telecommun Ctr, ITESM, Monterrey, NL, Mexico

来源：

PERFORMANCE AND CONTROL OF NETWORK SYSTEMS III | 1999年 / 3841卷

关键词：

handoff rates; handoff distributions; birth-and-death process; wireless broadband networks;

D O I：

10.1117/12.360373

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

There are many studies dealing with handover statistics for voice wireless calls, however handovers of multimedia traffic is still in its early stage of investigation. A major difference is that neither the Call Holding Times (CHT) nor the Cell Residence Times (CRT) can be longer assumed as exponentially distributed. In this paper, we obtain analytical expressions for a variety of handoff rates for Erlang-based call holding times and cell residence times. In particular, we present dosed-form analytical results for the handoff cell arrival rate in the following cases: a) Mixtures of exponential distributons for the CHT and any distribution for the CRT, b) mixtures of k-Erlang distributions for the CHT and exponential CRT, and c) 2-Erlang distributions for CHT and CRT. We match parameters with the birth-and-death stochastic process model and we give some insights for simulations.

引用

页码：220 / 228

页数：9

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