Integral Approximations for Coverage Probability

被引：14

作者：

Guruacharya, Sudarshan ^{[1
]}

Tabassum, Hina ^{[1
]}

Hossain, Ekram ^{[1
]}

机构：

[1] Univ Manitoba, Dept Elect & Comp Engn, Winnipeg, MB R3T 2N2, Canada

来源：

IEEE WIRELESS COMMUNICATIONS LETTERS | 2016年 / 5卷 / 01期

关键词：

Integral approximations; coverage probability; Poisson point process;

D O I：

10.1109/LWC.2015.2488646

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This letter gives approximations to an integral appearing in the formula for downlink coverage probability of a typical user in Poisson point process (PPP)-based stochastic geometry frameworks of the form integral(infinity)(0)exp{-(Ax + Bx(alpha/2))}dx. Four different approximations are studied. For systems that are interference-limited or noise-limited, conditions are identified when the approximations are valid. For intermediate cases, we recommend the use of Laplace approximation. Numerical results validate the accuracy of the approximations.

引用

页码：24 / 27

页数：4

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