Exact outage performance of two NOMA users in small-cell network over Nakagami-m fading under imperfect CSI

Chi-Bao Le; Tu-Trinh Thi Nguyen; Dinh-Thuan Do

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Exact outage performance of two NOMA users in small-cell network over Nakagami-m fading under imperfect CSI

机译：Exact outage performance of two NOMA users in small-cell network over Nakagami-m fading under imperfect CSI

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摘要

We consider a two-user system in the scenario of relay cooperative non-orthogonal multiple access (NOMA) network with imperfections of channel state information (CSI). Firstly, on the same allocated power source, the base station (BS) transmits the superposition signal to near user and far user, which is analysed via Nakagami-m fading channels. In this situation, the near user with good channel conditions employs NOMA scheme to serve the far user. Secondly, the far user combines signals from direct link and relay link. Then, the outage performance is examined in closed-form expressions to exhibit performance gap among two NOMA users.

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来源
《International Journal of Information and Communication Technology》 |2022年第4期|411-422|共12页
作者
Chi-Bao Le; Tu-Trinh Thi Nguyen; Dinh-Thuan Do;
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作者单位

Faculty of Electronics Technology;

Wireless Communications Research Group, Faculty of Electrical and Electronics Engineering, Ton Duc Thang University;

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原文格式 PDF
正文语种英语
中图分类通信;
关键词
non-orthogonal multiple access; NOMA; decode-and-forward; Nakagami-m fading; outage probability;

Exact outage performance of two NOMA users in small-cell network over Nakagami-m fading under imperfect CSI

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