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Cooperative Hybrid Networks with Active Relays and RISs for B5G: Applications, Challenges, and Research Directions [article]

Zaid Abdullah, Steven Kisseleff, Wallace Alves Martins, Gaojie Chen, Luca Sanguinetti, Konstantinos Ntontin, Anastasios Papazafeiropoulos, Symeon Chatzinotas, Bjorn Ottersten
2022 arXiv   pre-print
Finally, we provide the reader with the challenges and key research directions in this area.  ...  Subsequently, we present multiple use cases of cooperative hybrid networks where both active relays and RISs can coexist harmoniously for enhanced rate performance.  ...  RESEARCH DIRECTIONS AND APPLICATIONS In this section, we provide a detailed description of key research directions to tackle some of the main challenges that HRNs can face in practical systems.  ... 
arXiv:2206.11707v1 fatcat:4shvqe6nsfhj5d2magkgxrgcly

A Survey on Privacy for B5G/6G: New Privacy Goals, Challenges, and Research Directions [article]

Chamara Sandeepa, Bartlomiej Siniarski, Nicolas Kourtellis, Shen Wang, Madhusanka Liyanage
2022 arXiv   pre-print
Finally, it concludes with a roadmap of future directions and upcoming trends containing privacy-related topics, which will be an arena for new research towards privacy-enhanced B5G/6G networks.  ...  Next, this work provides a set of solutions applicable to the proposed architecture of B5G/6G networks to mitigate the challenges.  ...  ACKNOWLEDGEMENT This work is partly supported by European Union in SPA-TIAL (Grant No: 101021808), Academy of Finland in 6Genesis (grant no. 318927) and Science Foundation Ireland under CONNECT phase 2  ... 
arXiv:2203.04264v1 fatcat:blbzfjy73fhlvammlwsgfmso5y

Reconfigurable Intelligent Surfaces: Potentials, Applications, and Challenges for 6G Wireless Networks [article]

Sarah Basharat, Syed Ali Hassan, Haris Pervaiz, Aamir Mahmood, Zhiguo Ding, Mikael Gidlund
2021 arXiv   pre-print
Finally, we present promising future research directions for realizing RIS-assisted networks in 6G communication.  ...  In this article, we provide a tutorial overview of RISs for sixth-generation (6G) wireless networks.  ...  RIS Deployment and Size Optimization The RIS deployment in a hybrid network, with both active BSs and passive RISs, is another crucial problem.  ... 
arXiv:2107.05460v1 fatcat:ad72zlzyejdnjlrtgbjt2m4pxu

RIS-Assisted Visible Light Communication Systems: A Tutorial [article]

Sylvester Aboagye and Alain R. Ndjiongue and Telex M. N. Ngatched and Octavia Dobre and H. Vincent Poor
2022 arXiv   pre-print
Moreover, we discuss and propose several research problems on integrating optical RISs with other emerging technologies and highlight other important research directions for RIS-assisted VLC systems.  ...  We also provide a comprehensive overview of optical RISs and examine the differences between optical RISs, RF-RISs, and optical relays.  ...  As mentioned in [31] , the interplay between RISs and VLC can lead to innovative and progressive applications in B5G networks.  ... 
arXiv:2204.07198v1 fatcat:b3cihbfitnd2hm5cu25rokyppu

Reconfigurable Intelligent Surface Aided Multi-user Communications: State-of-the-Art Techniques and Open Issues

Munyaradzi Munochiveyi, Arjun Chakravarthi Pogaku, Dinh-Thuan Do, Anh-Tu Le, Miroslav Voznak, Nhan Duc Nguyen
2021 IEEE Access  
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  ...  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  ...  In [98] , the authors considered a dual-hop cooperative network aided by multiple RISs.  ... 
doi:10.1109/access.2021.3107316 fatcat:xkq2dayoabfhvixcfb25eobkq4

A Survey on Millimeter-Wave Beamforming Enabled UAV Communications and Networking [article]

Zhenyu Xiao, Lipeng Zhu, Yanming Liu, Pengfei Yi, Rui Zhang, Xiang-Gen Xia, Robert Schober
2021 arXiv   pre-print
Finally, we present open issues and promising directions for future research in mmWave beamforming enabled UAV communications and networking.  ...  However, the communication capacity is becoming a bottleneck for UAV to support more challenging application scenarios.  ...  Thus, UAVassisted wireless communication is becoming an important research direction for enhancing service ability of beyond 5G (B5G) and sixth-generation (6G) networks [8] , [9] . A.  ... 
arXiv:2104.09204v2 fatcat:rbywt5p7uzhhzg3hbc7tnln45q

Antenna Array Enabled Space/Air/Ground Communications and Networking for 6G [article]

Zhenyu Xiao, Zhu Han, Arumugam Nallanathan, Octavia A. Dobre, Bruno Clerckx, Jinho Choi, Chong He, Wen Tong
2022 arXiv   pre-print
Finally, we present promising directions for future research in antenna array enabled space/air/ground communications and networking.  ...  However, enabling antenna array for space/air/ground communication networks poses specific, distinctive and tricky challenges, which has aroused extensive research attention.  ...  To achieve satisfactory performance, the deployment of RISs in a hybrid wireless network including both active transmitters and passive RISs is a crucial problem.  ... 
arXiv:2110.12610v2 fatcat:2awnzv7t7nhefal7o5rsopgwqa

Final Program

2021 2021 IEEE 93rd Vehicular Technology Conference (VTC2021-Spring)  
On top of that, research and development (R&D) activities for B5G are about to be initiated.  ...  To overcome these challenges, beyond 5G (B5G) networks have recently attracted a lot interest in the research community with the aim of truly integrating applications ranging from autonomous systems and  ... 
doi:10.1109/vtc2021-spring51267.2021.9448675 fatcat:if5edc6u7zcc7jnl67jezth3je

A Survey on Cache-Aided NOMA for 6G Networks [article]

Dipen Bepari, Soumen Mondal, Aniruddha Chandra, Rajeev Shukla, Yuanwei Liu, Mohsen Guizani, Arumugam Nallanathan
2022 arXiv   pre-print
Concomitant standardization activities and open research challenges are highlighted as well.  ...  Beginning with fundamentals of cache-aided NOMA technology, we summarize the performance goals of cache-aided NOMA systems, present the associated design challenges, and categorize related recent literature  ...  Section VI highlights standardization activities of cache-aided NOMA and identifies possible directions for future research on cache-aided NOMA.  ... 
arXiv:2205.05321v1 fatcat:zdsvoxspdfgzvpbxelbuqp2cnq

Intelligent Surfaces for 6G Wireless Networks: A Survey of Optimization and Performance Analysis Techniques [article]

Rawan Alghamdi, Reem Alhadrami, Dalia Alhothali, Heba Almorad, Alice Faisal, Sara Helal, Rahaf Shalabi, Rawan Asfour, Noofa Hammad, Asmaa Shams, Nasir Saeed, Hayssam Dahrouj (+2 others)
2020 arXiv   pre-print
Finally, we identify numerous exciting open challenges for LIS-aided 6G wireless networks, including resource allocation problems, hybrid radio frequency/visible light communication (RF-VLC) systems, health  ...  The paper further presents the impact of adopting the LIS technology for positioning applications.  ...  Finally, we identify numerous exciting open challenges for LIS-aided B5G wireless networks, including new resource allocation problems, hybrid RF-VLC systems, health considerations, and localization.  ... 
arXiv:2006.06541v2 fatcat:4dms2bu5xjhsxadclntf2ubpra

Intelligent Surfaces for 6G Wireless Networks: A Survey of Optimization and Performance Analysis Techniques

Rawan Alghamdi, Reem Alhadrami, Dalia Alhothali, Heba Almorad, Alice Faisal, Sara Helal, Rahaf Shalabi, Rawan Asfour, Noofa Hammad, Asmaa Shams, Nasir Saeed, Hayssam Dahrouj (+2 others)
2020 IEEE Access  
Finally, we identify numerous exciting open challenges for LIS-aided B5G wireless networks, including new resource allocation problems, hybrid RF-VLC systems, health considerations, and localization.  ...  promising research directions towards the formulations of practical problems in future B5G systems.  ... 
doi:10.1109/access.2020.3031959 fatcat:u7vei73omvgo3hzbw4ejlzhca4

Machine Learning: A Catalyst for THz Wireless Networks

Alexandros-Apostolos A. Boulogeorgos, Edwin Yaqub, Marco di Renzo, Angeliki Alexiou, Rachana Desai, Ralf Klinkenberg
2021 Frontiers in Communications and Networks  
Finally, we provide an insightful discussion concerning research gaps and possible future directions.  ...  With the vision to transform the current wireless network into a cyber-physical intelligent platform capable of supporting bandwidth-hungry and latency-constrained applications, both academia and industry  ...  AUTHOR CONTRIBUTIONS A-AAB envisioned the concept of the paper and prepared the initial draft. EY prepared Section 4 and reviewed the paper. MR, AA, RD, and RK performed internal reviews.  ... 
doi:10.3389/frcmn.2021.704546 fatcat:c7okz673z5cibo54yga7a2eoiq

D6.3 Standardisation activities

Jari Korhonen
2020 Zenodo  
Such activities aim at identifying the gap between the technical research and the standardisation bodies work items, fostering potential ARIADNE's outcome.  ...  In this task, ARIADNE will proceed in a 3-step approach for the coordination and planning of the contribution strategy.  ...  contributions from industry participation in research projects and direct funded industrial research and development work.  ... 
doi:10.5281/zenodo.4311187 fatcat:63qznzqjcnhfde6hwtexhnpnfu

Delivery of 5G Services Indoors - the wireless wire challenge and solutions

Adam Kapovits, Anastasius Gavras, John Cosmas, Mir Ghoraishi, Xi Li, Yue Zhang
2021 Zenodo  
The 5G Public Private Partnership (5G PPP) has focused its research and innovation activities mainly on outdoor use cases and supporting the user and its applications while on the move.  ...  In any case the deployment of networks indoors is advised to consider and be planned along existing infrastructure, like powerlines and available shafts for other utilities.  ...  The main functionality of the ISF is related to detection of suspicious activities performed by or directed to 5G users, for example, scanning activity, Denial of Service (DoS) threats and traffic eavesdropping  ... 
doi:10.5281/zenodo.4280749 fatcat:ykuzcuhr4za2hpzma5by5spm24

Integrated Sensing and Communications: Towards Dual-functional Wireless Networks for 6G and Beyond

Fan Liu, Yuanhao Cui, Christos Masouros, Jie Xu, Tony Xiao Han, Yonina C. Eldar, Stefano Buzzi
2022 IEEE Journal on Selected Areas in Communications  
The integration of sensing functionality is emerging as a key feature of the 6G Radio Access Network (RAN), allowing for the exploitation of dense cell infrastructures to construct a perceptive network  ...  By introducing both ongoing and potential use cases, we shed light on the industrial progress and standardization activities related to ISAC.  ...  ISAC With UAVs With recent technical advances, UAVs have found abundant applications in wireless networks, e.g., as aerial users, relays, BSs, or APs.  ... 
doi:10.1109/jsac.2022.3156632 fatcat:bpxo2mlknzf6tadx2ag7ftrpuy
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