Performance of a Multiuser Cooperative IoT NOMA Network with Battery-Assisted Energy Harvesting

被引：5

作者：

Agrawal, Kamal ^{[1
]}

Jee, Anand ^{[1
]}

Prakriya, Shankar ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Elect Engn, Delhi 110016, India

来源：

IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS | 2024年 / 20卷 / 02期

关键词：

Energy efficiency (EE); energy harvesting (EH); full-duplex (FD); internet-of-things (IoT); non-orthogonal multiple access (NOMA); power-splitting (PS); time-switching (TS); throughput; user selection; MULTIPLE-ACCESS; INFORMATION; CHALLENGES; SYSTEMS; DESIGN; MODEL; 5G;

D O I：

10.1109/TII.2023.3290182

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 paper investigates a cooperative non-orthogonal multiple access (Co-NM) based network consisting of a multiantenna source, a full-duplex energy harvesting (EH) near user (NU) internet-of-things (IoT) node and multiple distant user (DU) IoT nodes. The source shares a direct link to the NU, while the NU augments the harvested energy by a limited amount of its battery energy to relay the information to the selected DU. Considering time-switching (TS) or power-splitting (PS) protocol, practical nonlinear EH, successive interference cancellation error, and opportunistic Co-NM/OMA (OM) switching, closed-form expressions are derived for the outage probability and throughput of both DU and NU. We demonstrate that the proposed opportunistic Co-NM/OM switching can ensure a performance similar to OM at the NU without loss in DU throughput. Also, a joint optimal choice of battery energy and PS/TS parameter helps in attaining a maximum energy efficiency (EE). Moreover, Co-NM/OM switching ensures higher EE compared to Co-NM and OM.

引用

页码：2307 / 2319

页数：13

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