Results 31 to 40 of about 78,791 (201)

RIS-Assisted Hybrid Beamforming with Connected Autonomous User Vehicle Localization for Millimeter Wave MIMO Systems

, 2022
Reconfigurable intelligent surfaces (RIS) have recently been investigated for intelligently reforming the blockage or mobility-aware wireless propagation environment as well as improving spectral efficiency and localization error performance.
Md Abdul Latif Sarker, Dong Seog Han, Dong Seog Han (13032710), Md Abdul Latif Sarker (13031640)   +3 more
core   +1 more source

Reconfigurable Intelligent Surfaces: possible applications and benefits [PDF]

, 2022
openNegli ultimi anni le Superfici Intelligenti e Riconfigurabili (RIS) sono stati al centro di molti studi per motivi legati al loro possibile utilizzo e i diversi benefici che questo comporta per le reti wireless. Questa tecnologia è considerata una
KOSIAKOV, ARINA
core  

User Selection for Simple Passive Beamforming in Multi-RIS-Aided Multi-User Communications

, 2023
This paper focuses on multi-user downlink signal transmission in a wireless system aided by multiple reconfigurable intelligent surfaces (RISs). In such a multi-RIS, multi-user, multi-antenna scenario, determining a set of RIS phase shifts to maximize ...
Wei Jiang, Wei Jiang (8679951)
core   +1 more source

Energy Efficiency of Unmanned Aerial Vehicle with Reconfigurable Intelligent Surfaces: A Comparative Study

Drones, 2023
Unmanned aerial vehicles (UAVs) and reconfigurable intelligent surfaces (RIS) are the promising emerging technologies proposed for the 6th-Generation (6G) network to improve the capacity, reliability, and coverage of wireless communications.
Chi Yen Goh, Chee Yen Leow, Rosdiadee Nordin   +2 more
doaj   +1 more source

RIS-Enhanced MIMO Channels in Urban Environments: Experimental Insights

, 2023
Submission to EuCAP 2024 convened session on reconfigurable intelligent surfaces. Can the smart radio environment paradigm measurably enhance the performance of contemporary urban macrocells?
James Rains (17387149), anvar tukmanov (17387156), Muhammad Imran (12223770), Qammer H. Abbasi (12085472)   +3 more
core   +1 more source

STAR-RIS-UAV-Aided Coordinated Multipoint Cellular System for Multi-User Networks

Drones, 2023
Different from conventional reconfigurable intelligent surfaces (RIS), simultaneous transmitting and reflecting RIS (STAR-RIS) can reflect and transmit signals to the receiver. In this paper, to serve more ground users and increase deployment flexibility,
Baihua Shi, Yang Wang, Danqi Li, Wenlong Cai, Jinyong Lin, Shuo Zhang, Weiping Shi, Shihao Yan , Feng Shu   +8 more
doaj   +1 more source

RIS-Assisted Receive Quadrature Spatial Modulation with Low-Complexity Greedy Detection [PDF]

, 2023
In this paper, we propose a novel reconfigurable intelligent surface (RIS)-assisted wireless communication scheme which uses the concept of spatial modulation, namely RIS-assisted receive quadrature spatial modulation (RIS-RQSM). In the proposed RIS-RQSM
Marco Di Renzo, Dinan, Mohamad H., Renzo, Marco Di, Flanagan, Mark F., Mark F. Flanagan, Dinan, Mohamad, Di Renzo, Marco, Mohamad H. Dinan, Flanagan, Mark   +8 more
core   +1 more source

BBD Driven Fabrication of Hydroxyapatite Engineered Risedronate Loaded Thiolated Chitosan Nanoparticles and Their In Silico, In Vitro, and Ex Vivo Studies

Micromachines, 2023
Risedronate sodium (RIS) exhibits limited bioavailability and undesirable gastrointestinal effects when administered orally, necessitating the development of an alternative formulation. In this study, mPEG-coated nanoparticles loaded with RIS-HA-TCS were
Zoya Saifi, Tanya Ralli, Md. Rizwanullah, Meraj Alam, Divya Vohora, Showkat R. Mir, Saima Amin, Sadia Ameen   +7 more
doaj   +1 more source

PACS-RIS Crawler v1.0.2

, 2019
A unified search application to link PACS exams with the RIS ...
Ivan Nesic, Joshy Cyriac, Manuela Moor, Joshy Cyriac (8170950), Ivan Nesic (8170953), Manuela Moor (8170956)   +5 more
core   +1 more source

Enhancing Asia’s trade: price and non-price barriers revisited [PDF]

Journal of International Logistics and Trade, 2010
In a supply-constrained region like Asia, promoting exports has always been a challenge particularly at a time when Asia’s trade has been severely affected by lack of external demand.
Prabir De
doaj   +1 more source