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

Konpal Shaukat Ali, Hesham El Sawy, Mohamed-Slim Alouini

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Abstract

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.
Original languageEnglish (US)
Pages (from-to)572-575
Number of pages4
JournalIEEE Wireless Communications Letters
Volume8
Issue number2
DOIs
StatePublished - Nov 8 2018

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