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A Novel Joint Index Modulation and Physical Layer Network Coding Mechanism for Beyond 5G

Okyere, Bismark and Musavian, Leila and Ozbek, Berna and Busari, Sherif A and Gonzalez, Jonathan (2021) 'A Novel Joint Index Modulation and Physical Layer Network Coding Mechanism for Beyond 5G.' IEEE Communications Standards Magazine. ISSN 2471-2833 (In Press)

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Abstract

In beyond 5G communications, besides energy efficiency (EE) and spectral efficiency (SE), latency and reliability, which are among the main metrics that extreme ultrareliable low-latency communications (URLLC) applications must fulfil. Although new techniques are sought after to meet the crunching requirements of URLLC, combining existing physicallayer techniques have become compelling, attractive and cost saving approach in achieving the same goal. In this paper, we describe a novel mechanism in combining Physical Layer Network Coding (PNC) and Index Modulation (IM) to achieving a balance between SE and EE for URLLC applications beyond 5G. PNC has the potential to increase SE because it leverages on interference from many transmissions occurring at the same time. Although fewer resources are required for IM, the capacity gain is the same as if all transmission resources are used, and as a result, both EE and SE can increase simultaneously. Our simulation results show the feasibility of combining these two key physical-layer techniques, affirming the complementary role this approach will play in meeting the performance KPIs of URLLC, beyond 5G.

Item Type: Article
Divisions: Faculty of Science and Health > Computer Science and Electronic Engineering, School of
Depositing User: Elements
Date Deposited: 19 May 2021 16:58
Last Modified: 19 May 2021 16:58
URI: http://repository.essex.ac.uk/id/eprint/30315

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