Backscatter Sensors Communication for 6G Low-Powered NOMA-Enabled IoT Networks Under Imperfect SIC

Ahmed, Manzoor; Khan, Wali Ullah; Ihsan, Asim; Li, Xingwang; Li, Jianbo; A. Tsiftsis, Theodoros

doi:10.1109/JSYST.2022.3194705

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Article (Scientific journals)

Backscatter Sensors Communication for 6G Low-Powered NOMA-Enabled IoT Networks Under Imperfect SIC

Ahmed, Manzoor; Khan, Wali Ullah; Ihsan, Asim et al.

2022 • In IEEE Systems Journal

Peer Reviewed verified by ORBi

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https://hdl.handle.net/10993/53939

DOI
10.1109/JSYST.2022.3194705

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Keywords :

Backscatter Communications; Non-orthogonal Multiple Access; Energy efficiency

Abstract :

[en] The combination of nonorthogonal multiple access (NOMA) using power-domain with backscatter communication (BC) is expected to connect large-scale Internet of things (IoT) devices in the future sixth-generation era. This article introduces a BC in a multicell IoT network, where a source in each cell transmits a superimposed signal to its associated IoT devices using NOMA. The backscatter sensor tag (BST) also transmits data to IoT devices by reflecting and modulating the superimposed signal of the source. A new optimization framework is provided that simultaneously optimizes the total power of each source, power allocation coefficient of IoT devices, and RC of BST under imperfect successive interference cancellation decoding. This work aims to maximize the total energy efficiency (EE) of the IoT network subject to the quality of services of each IoT device. The problem is first transformed using the Dinkelbach method and then decoupled into two subproblems. The Karush–Kuhn–Tucker conditions and dual Lagrangian method are employed to obtain efficient solutions. In addition, we also calculate the EE of the conventional NOMA network without BC as a benchmark framework. Simulation results unveil the advantage of our considered NOMA BC network over the conventional NOMA network in terms of system total EE.

Disciplines :

Electrical & electronics engineering

Author, co-author :

Ahmed, Manzoor

Khan, Wali Ullah ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom

Ihsan, Asim

Li, Xingwang

Li, Jianbo

A. Tsiftsis, Theodoros

External co-authors :

yes

Language :

English

Title :

Backscatter Sensors Communication for 6G Low-Powered NOMA-Enabled IoT Networks Under Imperfect SIC

Alternative titles :

[en] Backscatter Sensors Communication for 6G Low-Powered NOMA-Enabled IoT Networks Under Imperfect SIC

Publication date :

August 2022

Journal title :

IEEE Systems Journal

ISSN :

1937-9234

Publisher :

Institute of Electrical and Electronics Engineers, United States - New York

Peer reviewed :

Peer Reviewed verified by ORBi

Focus Area :

Security, Reliability and Trust

Additional URL :

https://ieeexplore-ieee-org.proxy.bnl.lu/document/9857750

Available on ORBilu :

since 18 January 2023

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