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A hybrid relay and intelligent reflecting surface network and its ergodic performance analysis

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journal contribution
posted on 28.05.2020, 13:35 authored by Zaid Abdullah, Gaojie Chen, Sangarapillai LambotharanSangarapillai Lambotharan, Jonathon A. Chambers
This letter proposes a novel hybrid relay and Intelligent Reflecting Surface (IRS) assisted system for future wireless networks. We demonstrate that for practical scenarios where the amount of radiated power and/or the number of reflecting elements are/is limited, the performance of an IRS-supported system can be significantly enhanced by utilizing a simple Decode-and-Forward (DF) relay. Tight upper bounds for the ergodic capacity are derived for the proposed scheme under different channel environments, and shown to closely match Monte-Carlo simulations.

Funding

Communications Signal Processing Based Solutions for Massive Machine-to-Machine Networks (M3NETs) : EP/R006385/1

Engineering and Physical Sciences Research Council under Grants EP/R006377/1 and EP/R006385/1.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

IEEE Wireless Communications Letters

Volume

9

Issue

10

Pages

1653 - 1657

Publisher

Institute of Electrical and Electronics Engineers

Version

AM (Accepted Manuscript)

Rights holder

© IEEE

Publisher statement

© 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Acceptance date

27/05/2020

Publication date

2020-06-04

Copyright date

2020

ISSN

2162-2337

eISSN

2162-2345

Language

en

Depositor

Prof Sangarapillai Lambotharan. Deposit date: 28 May 2020