Results 21 to 30 of about 22,605 (267)

Passive Transmissive Reconfigurable Intelligent Surface

Electron
Reconfigurable intelligent surfaces (RISs) have been extensively studied as a key technology for advanced 6G communications. Although active RIS systems present innovative opportunities for wave manipulation and communication, they are hindered by their ...
Xiangming Wu, Chong He, Ivan D. Rukhlenko, Qingqing Wu, Weiren Zhu   +4 more
doaj   +2 more sources

Reconfigurable Intelligent Surfaces for Energy Efficiency in Wireless Communication

IEEE Transactions on Wireless Communications, 2019
The adoption of a Reconfigurable Intelligent Surface (RIS) for downlink multi-user communication from a multi-antenna base station is investigated in this paper.
Alexandropoulos, George C., Debbah, Mérouane, Huang, Chongwen, Yuen, Chau, Zappone, Alessio   +4 more
core   +3 more sources

A filtering reconfigurable intelligent surface for interference-free wireless communications [PDF]

Nature Communications
The powerful capability of reconfigurable intelligent surfaces (RISs) in tailoring electromagnetic waves and fields has put them under the spotlight in wireless communications.
Jing Cheng Liang, Lei Zhang, Zhangjie Luo, Rui Zhe Jiang, Zhang Wen Cheng, Si Ran Wang, Meng Ke Sun, Shi Jin, Qiang Cheng, Tie Jun Cui   +9 more
doaj   +2 more sources

Reconfigurable Intelligent Surfaces for Wireless Communications: Principles, Challenges, and Opportunities

IEEE Transactions on Cognitive Communications and Networking, 2020
Recently there has been a flurry of research on the use of reconfigurable intelligent surfaces (RIS) in wireless networks to create smart radio environments.
ElMossallamy, Mohamed A., Han, Zhu, Li, Geoffrey Ye, Seddik, Karim G., Song, Lingyang, Zhang, Hongliang   +5 more
core   +2 more sources

Reconfigurable Intelligent Surface-Empowered MIMO Systems [PDF]

IEEE Systems Journal, 2021
To appear in IEEE SYSTEMS JOURNAL, 9 pages, 6 figures, and 1 ...
Aymen Khaleel, Ertugrul Basar
openaire   +5 more sources

Joint Symbol-Level Precoding and Reflecting Designs for IRS-Enhanced MU-MISO Systems [PDF]

, 2021
Intelligent reflecting surfaces (IRSs) have emerged as a revolutionary solution to enhance wireless communications by changing propagation environment in a cost-effective and hardware-efficient fashion.
Li, M, Liu, Q, Liu, R, Swindlehurst, AL
core   +2 more sources

Reconfigurable Intelligent Surface Aided NOMA Networks [PDF]

IEEE Journal on Selected Areas in Communications, 2020
Reconfigurable intelligent surfaces (RISs) constitute a promising performance enhancement for next-generation (NG) wireless networks in terms of enhancing both their spectrum efficiency (SE) and energy efficiency (EE). We conceive a system for serving paired power-domain non-orthogonal multiple access (NOMA) users by designing the passive beamforming ...
Tianwei Hou, Yuanwei Liu, Zhengyu Song, Xin Sun, Yue Chen, Lajos Hanzo   +5 more
openaire   +4 more sources

Reconfigurable Intelligent Surface Aided Mobile Edge Computing [PDF]

IEEE Wireless Communications, 2021
Accepted by IEEE Wireless Communications.
Bai, Tong, Pan, Cunhua, Han, Chao, Hanzo, Lajos   +3 more
openaire   +3 more sources

Experimental Demonstration of a mmWave Passive Access Point Extender Based on a Binary Reconfigurable Intelligent Surface

Frontiers in Communications and Networks, 2021
As data rates demands are exploding, 5G will soon rely on mmWaves that offer much higher bandwidths. Yet at these frequencies, attenuation and diffraction of waves require point to point communications with beamforming base stations that are complex and ...
Vladislav Popov, Mikhail Odit, Jean-Baptiste Gros, Vladimir Lenets, Akira Kumagai, Mathias Fink, Kotaro Enomoto, Geoffroy Lerosey   +7 more
doaj   +1 more source

Mechatronic Reconfigurable Intelligent‐Surface‐Driven Indoor Fifth‐Generation Wireless Communication

Advanced Intelligent Systems, 2022
Reconfigurable intelligent surface‐assisted wireless networks have been proposed to overcome the current technical issues in fifth‐generation (5G) wireless communication systems.
Heijun Jeong, Eiyong Park, Ratanak Phon, Sungjoon Lim   +3 more
doaj   +1 more source