Results 11 to 20 of about 1,236 (133)

iRIS: A Deep Policy Learning Framework for Intelligent Distribution of RIS Elements

IEEE Open Journal of the Communications Society
In the recent past, extensive research has been conducted considering reconfigurable intelligent surface (RIS) as an important building block in wireless communication systems.
Sudhanshu Arya, Saranya Karattupalayam Chidambaram, Yogesh Kumar Choukiker, Abhijit Bhowmick   +3 more
doaj   +1 more source

Overview of reconfigurable intelligent surface for new-generation mobile communication

Dianxin kexue, 2022
Reconfigurable intelligent surface technology, which features low cost, low energy consumption and easy deployment, is the potential key technology of 6G.By intelligently regulating electromagnetic waves in space, RIS can assist in building an ...
Zilu GAO, Shaohui SUN, Li LI
doaj   +2 more sources

RIS-aided integrated sensing and communication: a mini-review

Frontiers in Signal Processing, 2023
Integrating sensing and communication (ISAC) is a cutting-edge technology aimed at achieving high-resolution target sensing and high data-rate communications using a shared spectrum. This innovative approach optimizes the usage of the radio spectrum with
Mirza Asif Haider, Yimin D. Zhang
doaj   +1 more source

Tree Search Algorithms Applied to the BD-RIS Configuration in MU-MISO Communication Systems

IEEE Open Journal of the Communications Society
The reconfigurable intelligent surface (RIS) has attracted considerable attention from both academia and industry in recent years, given its capacity to dynamically manipulate the reflection of incident electromagnetic waves.
Pedro H. C. De Souza, Luciano Leonel Mendes   +1 more
doaj   +1 more source

Liquid‐Crystal‐Based Reconfigurable Intelligent Surface for 7 GHz Mobile Communication

Advanced Materials Technologies, EarlyView.
The glass‐based liquid‐crystal reconfigurable intelligent surface (LC‐RIS) integrates active‐matrix driving and blind‐greedy phase optimization within a 5G‐NR OFDM framework. This enables continuously tunable and autonomous enhancement of wireless coverage. Leveraging the transparency and manufacturability of liquid crystal panels, it is ideally suited
Tien‐Lun Ting, Yuh‐Chyi Chang, Yi‐Chan Hung, Cheng‐Yuan Hsiao, Chao‐Kai Wen, Tsung‐Hsien Lin   +5 more
wiley   +1 more source

Gate‐Tunable Polarity‐Reconfigurable Photovoltaic Response With Dual Linearity in NbS3/WSe2 Heterostructures for In‐Sensor Image Processing

Advanced Science, EarlyView.
An NbS3/WSe2 van der Waals heterostructure realizes a continuously gate‐tunable self‐powered photovoltaic response through interfacial band‐alignment modulation and reversible built‐in electric‐field switching. The short‐circuit photocurrent scales linearly with incident power density, while short‐circuit photoresponsivity varies linearly with gate ...
Jidong Liu, Jianxiong Xie, Qiaoyan Hao, Yutao Hu, Zhen He, Haolin Liu, Danting Lin, Haibo Gan, Yudi Tu, Wenjing Zhang   +9 more
wiley   +1 more source

AI-Native Entanglement-Sustained Reconfigurable Intelligent Surfaces for Hybrid Quantum-Classical THz-Enabled 6G Networks

IEEE Open Journal of the Communications Society
Quantum-classical hybrid communication is emerging as a key enabler for future 6G networks, where THz communication and quantum services are expected to coexist over intelligent and reconfigurable wireless infrastructures. A fundamental challenge in such
Shweta Singh, Kumar Sekhar Roy, Rahul Kumar   +2 more
doaj   +1 more source

From Sensing Mechanisms to System Co‐Design: Graphene‐Based Sensors and Readout Circuits

Advanced Science, EarlyView.
This review establishes a unified PS–EQ–RF framework linking graphene sensing mechanisms, native electrical outputs, and output‐specific readout circuits. Voltage‐, current‐, resistance‐, and capacitance‐type sensing systems are systematically classified to guide architecture selection, low‐noise design, system co‐design, and practical integration ...
Jinduo Zhang, Meng Chen, Guanchen Li, Ruifeng Liu, Yingxin Wang, Ziran Zhao   +5 more
wiley   +1 more source

Enhanced Spectral Efficiency in RIS-Assisted MIMO Systems Through Joint Precoding and RIS Configuration

IEEE Access
Reconfigurable Intelligent Surfaces (RIS) offer a promising solution to enhance wireless communication performance, particularly for 6G networks. This paper proposes a unified joint optimization framework to enhance spectral efficiency in reconfigurable ...
Mohammed Adil Abbas, Aqiel N. Almamori, Ahmed Jumaa Lafta, Asaad H. Sahar   +3 more
doaj   +1 more source

Metasurface‐Based Multidimensional Light‐Field Manipulation: From Technologies to Applications

Advanced Science, EarlyView.
Multidimensional metasurfaces enable versatile manipulation of multiple optical degrees of freedom, including phase, amplitude, polarization, wavelength, and orbital angular momentum. This review summarizes their fundamental mechanisms, emerging strategies for multidimensional light‐field control, and key applications in optical computing, imaging ...
Heliang Yin, Shuo Sun, Jiahao Zhang, Jianuo Hu, Yubin Qiao, Liang Chen, Jin Li   +6 more
wiley   +1 more source