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Reconfigurable intelligent surfaces for 6G systems: principles, applications, and research directions

Reconfigurable intelligent surfaces for 6G systems: principles, applications, and research directions
Reconfigurable intelligent surfaces for 6G systems: principles, applications, and research directions
Reconfigurable intelligent surfaces (RISs) or intelligent reflecting surfaces (IRSs), are regarded as one of the most promising and revolutionizing techniques for enhancing
the spectrum and/or energy efficiency of wireless systems. These devices are capable of reconfiguring the wireless propagation environment by carefully tuning the phase shifts of a large number of low-cost passive reflecting elements. In this article, we aim for answering four fundmental questions: 1) Why do we need RISs? 2) What is an RIS? 3) What are RIS’s applications? 4) What are the relevant challenges and future research directions? In response, eight promising research directions are pointed out.
0163-6804
Pan, Cunhua
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Ren, Hong
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Wang, Kezhi
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Kolb, Jonas Florentin
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Elkashlan, Maged
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Chen, Ming
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Di Renzo, Marco
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Hao, Yang
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Wang, Jiangzhou
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Swindlehurst, A. Lee
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You, Xiaohu
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Hanzo, Lajos
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Pan, Cunhua
0d8b3e45-084b-43fe-a484-b36db290e65a
Ren, Hong
70f95b41-d967-4036-948d-6a58b8fcd27f
Wang, Kezhi
338ae80c-5b3d-4c9b-b536-f8def4b858b5
Kolb, Jonas Florentin
8dabb0bd-4dc3-45c1-8422-aa3a179451c4
Elkashlan, Maged
27c756ff-bfd3-4844-8769-ace5ad28c840
Chen, Ming
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Di Renzo, Marco
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Hao, Yang
8450eaa4-843c-4b86-b951-b413942d4453
Wang, Jiangzhou
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Swindlehurst, A. Lee
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You, Xiaohu
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Hanzo, Lajos
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Pan, Cunhua, Ren, Hong, Wang, Kezhi, Kolb, Jonas Florentin, Elkashlan, Maged, Chen, Ming, Di Renzo, Marco, Hao, Yang, Wang, Jiangzhou, Swindlehurst, A. Lee, You, Xiaohu and Hanzo, Lajos (2021) Reconfigurable intelligent surfaces for 6G systems: principles, applications, and research directions. IEEE Communications Magazine. (In Press)

Record type: Article

Abstract

Reconfigurable intelligent surfaces (RISs) or intelligent reflecting surfaces (IRSs), are regarded as one of the most promising and revolutionizing techniques for enhancing
the spectrum and/or energy efficiency of wireless systems. These devices are capable of reconfiguring the wireless propagation environment by carefully tuning the phase shifts of a large number of low-cost passive reflecting elements. In this article, we aim for answering four fundmental questions: 1) Why do we need RISs? 2) What is an RIS? 3) What are RIS’s applications? 4) What are the relevant challenges and future research directions? In response, eight promising research directions are pointed out.

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Accepted/In Press date: 1 May 2021

Identifiers

Local EPrints ID: 448899
URI: http://eprints.soton.ac.uk/id/eprint/448899
ISSN: 0163-6804
PURE UUID: fd0437de-17a3-4423-9093-a7a7a53e57f8
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

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Date deposited: 10 May 2021 16:31
Last modified: 11 May 2021 01:34

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Contributors

Author: Cunhua Pan
Author: Hong Ren
Author: Kezhi Wang
Author: Jonas Florentin Kolb
Author: Maged Elkashlan
Author: Ming Chen
Author: Marco Di Renzo
Author: Yang Hao
Author: Jiangzhou Wang
Author: A. Lee Swindlehurst
Author: Xiaohu You
Author: Lajos Hanzo ORCID iD

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