Usman, Muhammad and Basharat, Sarah and Hassan, Syed Ali and Pervaiz, Haris and Ding, Zhiguo and Jung, Haejoon (2024) Performance Analysis of NOMA-Enabled RIS-Assisted Backscatter Communication. IEEE Transactions on Vehicular Technology. pp. 1-14. DOI https://doi.org/10.1109/tvt.2024.3440396
Usman, Muhammad and Basharat, Sarah and Hassan, Syed Ali and Pervaiz, Haris and Ding, Zhiguo and Jung, Haejoon (2024) Performance Analysis of NOMA-Enabled RIS-Assisted Backscatter Communication. IEEE Transactions on Vehicular Technology. pp. 1-14. DOI https://doi.org/10.1109/tvt.2024.3440396
Usman, Muhammad and Basharat, Sarah and Hassan, Syed Ali and Pervaiz, Haris and Ding, Zhiguo and Jung, Haejoon (2024) Performance Analysis of NOMA-Enabled RIS-Assisted Backscatter Communication. IEEE Transactions on Vehicular Technology. pp. 1-14. DOI https://doi.org/10.1109/tvt.2024.3440396
Abstract
Backscatter communication (BackCom), which allows the passive wireless sensors to transmit via modulation and reflection of an incident radio-frequency (RF) signal, is a promising solution for the sustained operation of Internet-of-Things (IoT) nodes. Moreover, to address the inherent coverage and data rate limitations of contemporary BackCom systems, reconfigurable intelligent surfaces (RISs) have come to the forefront for the adaptive configuration of wireless environments. Meanwhile, BackCom systems can incorporate non-orthogonal multiple access (NOMA) to achieve higher spectral efficiency for massive connectivity. Hence, we consider a NOMA-enabled bistatic BackCom system, where multiple backscatter nodes (BSNs) are grouped by the NOMA principle and served with the assistance of an RIS. Using the method of moments (MoM), we analyze and obtain the bit error rate (BER) expressions of a 2 -BSN NOMA cluster under imperfect successive interference cancellation (SIC). The validity of the derived expressions is corroborated through extensive numerical simulations. Furthermore, the performance of the proposed system is evaluated in comparison with the conventional NOMA-BackCom system. Our results reveal the superior performance of the RIS-assisted NOMA system, and demonstrate the influence of the number of RIS elements and the choice of reflection coefficients on the BER performance of the proposed system.
Item Type: | Article |
---|---|
Uncontrolled Keywords: | Backscatter communication; bit error rate; method of moments; non-orthogonal multiple access; reconfigurable intelligent surface |
Divisions: | Faculty of Science and Health Faculty of Science and Health > Computer Science and Electronic Engineering, School of |
SWORD Depositor: | Unnamed user with email elements@essex.ac.uk |
Depositing User: | Unnamed user with email elements@essex.ac.uk |
Date Deposited: | 16 Sep 2024 17:32 |
Last Modified: | 01 Nov 2024 11:20 |
URI: | http://repository.essex.ac.uk/id/eprint/39198 |
Available files
Filename: Accepted_Manuscript.pdf