Reconfigurable Intelligent Surface Aided Multi-User Communications: State-of-the-Art Techniques and Open Issues
Reconfigurable intelligent surface (RIS)-aided communication is considered as an exciting research topic in academic and industrial communities since it provides an emerging affordable solution to achieve high quality and secure next-generation wireless systems. Especially, the deployment of RIS in...
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doaj-e6c3d4214b0d440fa0b3c53b7472cacb2021-08-31T23:00:19ZengIEEEIEEE Access2169-35362021-01-01911858411860510.1109/ACCESS.2021.31073169521529Reconfigurable Intelligent Surface Aided Multi-User Communications: State-of-the-Art Techniques and Open IssuesMunyaradzi Munochiveyi0https://orcid.org/0000-0001-7114-8609Arjun Chakravarthi Pogaku1https://orcid.org/0000-0003-2680-6371Dinh-Thuan Do2https://orcid.org/0000-0003-2072-069XAnh-Tu Le3https://orcid.org/0000-0002-2710-1843Miroslav Voznak4https://orcid.org/0000-0001-5135-7980Nhan Duc Nguyen5https://orcid.org/0000-0002-1561-7914Department of Electrical and Electronics Engineering, University of Zimbabwe, Mount Pleasant Campus, Harare, ZimbabweDepartment of Computer Science and Information Engineering, College of Information and Electrical Engineering, Asia University, Taichung, TaiwanDepartment of Computer Science and Information Engineering, College of Information and Electrical Engineering, Asia University, Taichung, TaiwanFaculty of Electronics Technology, Industrial University of Ho Chi Minh City, Ho Chi Minh City, VietnamVSB Technical University of Ostrava, Ostrava, Poruba, Czech RepublicInnovation Center, Van Lang University, Ho Chi Minh City, VietnamReconfigurable intelligent surface (RIS)-aided communication is considered as an exciting research topic in academic and industrial communities since it provides an emerging affordable solution to achieve high quality and secure next-generation wireless systems. Especially, the deployment of RIS in multi-user wireless networks promises to reduce system hardware costs, signal processing complexity, as well as energy consumption due to small size, lightweight and ability to actively shape the wireless propagation environment. Further, by realizing a cost-effective radio environment, RIS-aided communication can be implemented to be an appealing technology for future integration with other emerging wireless applications and communication systems. Despite the positive appeal, RISs face new challenges that hinder integrating efficiently into wireless networks, such as network secrecy performance and system sum-rates, as well as achieving efficient deployment design in highly dynamic and time-varying wireless environments. To this end, we overview recent state-of-the-art techniques to address the above issues faced in the integration of RISs with various emerging multi-user communication techniques, such as Unmanned Aerial Vehicles (UAVs), Non-Orthogonal Multiple Access (NOMA), Millimeter Wave (mmWave) and Terahertz (THz) communications, Physical Layer Security (PLS), massive antennas, and Simultaneous Wireless Information and Power Transfer (SWIPT). Finally, we highlight promising future research directions of RIS-aided communication in Cell-Free Massive Multiple-Input-Multiple-Output (MIMO) systems, Rate-Splitting Multiple Access (RSMA), Light Fidelity (LiFi), and Cognitive Radio (CR) systems.https://ieeexplore.ieee.org/document/9521529/Reconfigurable intelligent surfaceUAV communicationsNOMAmmWave and~THz communicationsphysical layer security (PLS)massive antenna |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Munyaradzi Munochiveyi Arjun Chakravarthi Pogaku Dinh-Thuan Do Anh-Tu Le Miroslav Voznak Nhan Duc Nguyen |
spellingShingle |
Munyaradzi Munochiveyi Arjun Chakravarthi Pogaku Dinh-Thuan Do Anh-Tu Le Miroslav Voznak Nhan Duc Nguyen Reconfigurable Intelligent Surface Aided Multi-User Communications: State-of-the-Art Techniques and Open Issues IEEE Access Reconfigurable intelligent surface UAV communications NOMA mmWave and~THz communications physical layer security (PLS) massive antenna |
author_facet |
Munyaradzi Munochiveyi Arjun Chakravarthi Pogaku Dinh-Thuan Do Anh-Tu Le Miroslav Voznak Nhan Duc Nguyen |
author_sort |
Munyaradzi Munochiveyi |
title |
Reconfigurable Intelligent Surface Aided Multi-User Communications: State-of-the-Art Techniques and Open Issues |
title_short |
Reconfigurable Intelligent Surface Aided Multi-User Communications: State-of-the-Art Techniques and Open Issues |
title_full |
Reconfigurable Intelligent Surface Aided Multi-User Communications: State-of-the-Art Techniques and Open Issues |
title_fullStr |
Reconfigurable Intelligent Surface Aided Multi-User Communications: State-of-the-Art Techniques and Open Issues |
title_full_unstemmed |
Reconfigurable Intelligent Surface Aided Multi-User Communications: State-of-the-Art Techniques and Open Issues |
title_sort |
reconfigurable intelligent surface aided multi-user communications: state-of-the-art techniques and open issues |
publisher |
IEEE |
series |
IEEE Access |
issn |
2169-3536 |
publishDate |
2021-01-01 |
description |
Reconfigurable intelligent surface (RIS)-aided communication is considered as an exciting research topic in academic and industrial communities since it provides an emerging affordable solution to achieve high quality and secure next-generation wireless systems. Especially, the deployment of RIS in multi-user wireless networks promises to reduce system hardware costs, signal processing complexity, as well as energy consumption due to small size, lightweight and ability to actively shape the wireless propagation environment. Further, by realizing a cost-effective radio environment, RIS-aided communication can be implemented to be an appealing technology for future integration with other emerging wireless applications and communication systems. Despite the positive appeal, RISs face new challenges that hinder integrating efficiently into wireless networks, such as network secrecy performance and system sum-rates, as well as achieving efficient deployment design in highly dynamic and time-varying wireless environments. To this end, we overview recent state-of-the-art techniques to address the above issues faced in the integration of RISs with various emerging multi-user communication techniques, such as Unmanned Aerial Vehicles (UAVs), Non-Orthogonal Multiple Access (NOMA), Millimeter Wave (mmWave) and Terahertz (THz) communications, Physical Layer Security (PLS), massive antennas, and Simultaneous Wireless Information and Power Transfer (SWIPT). Finally, we highlight promising future research directions of RIS-aided communication in Cell-Free Massive Multiple-Input-Multiple-Output (MIMO) systems, Rate-Splitting Multiple Access (RSMA), Light Fidelity (LiFi), and Cognitive Radio (CR) systems. |
topic |
Reconfigurable intelligent surface UAV communications NOMA mmWave and~THz communications physical layer security (PLS) massive antenna |
url |
https://ieeexplore.ieee.org/document/9521529/ |
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