Technical Advancements Toward RIS-Assisted NTN-Based THz Communication for 6G and Beyond
The world is experiencing an explosion in demand for ultra-high data rates with far greater expectations in the next few years. These expectations, given the bandwidth-demanding applications such as augmented and virtual reality and other beyond-5G applications, motivate the exploration of higher-fr...
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| Format: | Article |
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IEEE
2024-01-01
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| Series: | IEEE Access |
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| Online Access: | https://ieeexplore.ieee.org/document/10776962/ |
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| author | Oluwatosin Ahmed Amodu Rosdiadee Nordin Nor Fadzilah Abdullah Sherif Adeshina Busari Asma' Abu-Samah Ifiok Otung Muhammad Ali Mehran Behjati |
| author_facet | Oluwatosin Ahmed Amodu Rosdiadee Nordin Nor Fadzilah Abdullah Sherif Adeshina Busari Asma' Abu-Samah Ifiok Otung Muhammad Ali Mehran Behjati |
| author_sort | Oluwatosin Ahmed Amodu |
| collection | DOAJ |
| description | The world is experiencing an explosion in demand for ultra-high data rates with far greater expectations in the next few years. These expectations, given the bandwidth-demanding applications such as augmented and virtual reality and other beyond-5G applications, motivate the exploration of higher-frequency communication in the terahertz (THz) bands. However, THz communication is faced with many technical challenges, primarily due to the high susceptibility to blockages that limit its applications. Here, reconfigurable intelligent surfaces (RIS) provide alternative paths to circumvent such blockage effects and ensure reliable, spectral, and energy-efficient communication, thus advancing the THz-RIS technology concept. However, the ambitious targets of ubiquitous and global connectivity can only be satisfied by many technologies extending to multiple domains, from terrestrial networks to non-terrestrial network (NTN) domains. The use of airborne and spaceborne networks is considered a potential solution for addressing these challenges due to their dynamism, coverage, and ability to leverage their altitude for achieving line-of-sight communication for enhanced signal quality and network performance. Therefore, unmanned aerial vehicles, high-altitude platform stations, and satellites are poised to use flying THz-based RISs to improve air-to-ground and space-to-ground communication reliability while exploiting novel RIS architectures, techniques and enablers to address the issues regarding the propagation conditions, hardware limitations, network complexity and system performance. The aim in this paper is to present the discussion and a survey on the technical advances on THz-RIS NTNs, in addition to outlining potential applications, architectural variants, influencing properties, as well as its prospects, associated challenges, open issues and future directions towards high-data rate THz-RIS NTN communication for 6G and beyond. |
| format | Article |
| id | doaj-art-86fb2fd4d6a24098949b6b37f217623c |
| institution | Kabale University |
| issn | 2169-3536 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Access |
| spelling | doaj-art-86fb2fd4d6a24098949b6b37f217623c2024-12-28T00:01:48ZengIEEEIEEE Access2169-35362024-01-011218315318318110.1109/ACCESS.2024.351149410776962Technical Advancements Toward RIS-Assisted NTN-Based THz Communication for 6G and BeyondOluwatosin Ahmed Amodu0https://orcid.org/0000-0002-4078-6066Rosdiadee Nordin1https://orcid.org/0000-0001-9254-2023Nor Fadzilah Abdullah2https://orcid.org/0000-0002-6593-5603Sherif Adeshina Busari3https://orcid.org/0000-0002-4722-4218Asma' Abu-Samah4https://orcid.org/0000-0001-8514-1459Ifiok Otung5https://orcid.org/0000-0003-1442-3816Muhammad Ali6https://orcid.org/0000-0003-3842-9593Mehran Behjati7https://orcid.org/0000-0001-8380-057XDepartment of Electrical, Electronic, and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia (UKM), Bangi, MalaysiaDepartment of Engineering, School of Engineering and Technology, Sunway University, Bandar Sunway, Selangor, MalaysiaDepartment of Electrical, Electronic, and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia (UKM), Bangi, MalaysiaBradford-Renduchintala Centre for Space AI, University of Bradford, Bradford, U.K.Department of Electrical, Electronic, and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia (UKM), Bangi, MalaysiaBradford-Renduchintala Centre for Space AI, University of Bradford, Bradford, U.K.Bradford-Renduchintala Centre for Space AI, University of Bradford, Bradford, U.K.Department of Computing and Information Systems, School of Engineering and Technology, Sunway University, Bandar Sunway, Selangor, MalaysiaThe world is experiencing an explosion in demand for ultra-high data rates with far greater expectations in the next few years. These expectations, given the bandwidth-demanding applications such as augmented and virtual reality and other beyond-5G applications, motivate the exploration of higher-frequency communication in the terahertz (THz) bands. However, THz communication is faced with many technical challenges, primarily due to the high susceptibility to blockages that limit its applications. Here, reconfigurable intelligent surfaces (RIS) provide alternative paths to circumvent such blockage effects and ensure reliable, spectral, and energy-efficient communication, thus advancing the THz-RIS technology concept. However, the ambitious targets of ubiquitous and global connectivity can only be satisfied by many technologies extending to multiple domains, from terrestrial networks to non-terrestrial network (NTN) domains. The use of airborne and spaceborne networks is considered a potential solution for addressing these challenges due to their dynamism, coverage, and ability to leverage their altitude for achieving line-of-sight communication for enhanced signal quality and network performance. Therefore, unmanned aerial vehicles, high-altitude platform stations, and satellites are poised to use flying THz-based RISs to improve air-to-ground and space-to-ground communication reliability while exploiting novel RIS architectures, techniques and enablers to address the issues regarding the propagation conditions, hardware limitations, network complexity and system performance. The aim in this paper is to present the discussion and a survey on the technical advances on THz-RIS NTNs, in addition to outlining potential applications, architectural variants, influencing properties, as well as its prospects, associated challenges, open issues and future directions towards high-data rate THz-RIS NTN communication for 6G and beyond.https://ieeexplore.ieee.org/document/10776962/B5G6GdronesUAVTHzreconfigurable intelligent surfaces |
| spellingShingle | Oluwatosin Ahmed Amodu Rosdiadee Nordin Nor Fadzilah Abdullah Sherif Adeshina Busari Asma' Abu-Samah Ifiok Otung Muhammad Ali Mehran Behjati Technical Advancements Toward RIS-Assisted NTN-Based THz Communication for 6G and Beyond IEEE Access B5G 6G drones UAV THz reconfigurable intelligent surfaces |
| title | Technical Advancements Toward RIS-Assisted NTN-Based THz Communication for 6G and Beyond |
| title_full | Technical Advancements Toward RIS-Assisted NTN-Based THz Communication for 6G and Beyond |
| title_fullStr | Technical Advancements Toward RIS-Assisted NTN-Based THz Communication for 6G and Beyond |
| title_full_unstemmed | Technical Advancements Toward RIS-Assisted NTN-Based THz Communication for 6G and Beyond |
| title_short | Technical Advancements Toward RIS-Assisted NTN-Based THz Communication for 6G and Beyond |
| title_sort | technical advancements toward ris assisted ntn based thz communication for 6g and beyond |
| topic | B5G 6G drones UAV THz reconfigurable intelligent surfaces |
| url | https://ieeexplore.ieee.org/document/10776962/ |
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