Meta Distribution of Downlink Non-Orthogonal Multiple Access (NOMA) in Poisson Networks

被引：12
|
作者：
Ali, Konpal Shaukat [1 ]
ElSawy, Hesham [2 ]
Alouini, Mohamed-Slim [1 ]
机构：
[1] King Abdullah Univ Sci & Technol, Comp Elect & Math Sci & Engn Div, Thuwal 239556900, Saudi Arabia
[2] King Fahd Univ Petr & Minerals, Dept Elect Engn, Dhahran 31261, Saudi Arabia
来源：
IEEE WIRELESS COMMUNICATIONS LETTERS | 2019年 / 8卷 / 02期
关键词：
Stochastic geometry; meta distribution; non-orthogonal multiple access (NOMA); SIR;
D O I：
10.1109/LWC.2018.2880210
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We study the meta distribution (MD) of the coverage probability (CP) in downlink non-orthogonal-multiple-access (NOMA) networks. Two schemes are assessed based on the location of the NOMA users: 1) anywhere in the network and 2) cell-center users only. The moments of the MD for both schemes are derived and the MD is approximated via the beta distribution. Closed-form moments are derived for the first scheme; for the second scheme exact and approximate moments, to simplify the integral calculation, are derived. We show that restricting NOMA to cell-center users provides significantly higher mean, lower variance and better percentile performance for the CP.
引用
收藏
页码：572 / 575
页数：4
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