Results 71 to 80 of about 13,960 (190)

Optical Wireless Communications Using Intelligent Walls

, 2023
This chapter is devoted to discussing the integration of intelligent reflecting surfaces (IRSs), or intelligent walls, in optical wireless communication (OWC) systems.
Abumarshoud, Hanaa, Haas, Harald, Yesilkaya, Anil   +2 more
core  

Graphene oxide/exfoliated black phosphorus van der Waals heterojunctions for PEDOT:PSS‐free‐based organic light‐emitting diodes achieving excellent electroluminescence performance

FlexMat, EarlyView.
A novel two‐dimensional heterojunction assembled from graphene oxide and exfoliated black phosphorus via van der Waals interactions is proposed to replace widely used poly(3,4‐ethylenedioxythiophene)‐polystyrene sulfonate for efficient hole injection layer in organic light‐emitting diodes, achieving impressive electroluminescence performance.
Yuefeng Li, Xiaozhen Wei, Ruihao Yang, Shuyu Li, Jingkun Wang, Min Zhao, Yanqin Miao, Yuying Hao, Hua Wang, Kunping Guo   +9 more
wiley   +1 more source

Channel estimation overhead reduction scheme and its impact in IRS-assisted systems

ICT Express
Intelligent reflecting surfaces (IRS) have been proposed as a promising solution for enhancing wireless communication by manipulating the wireless propagation environment.
Doyle Kwon, Duk Kyung Kim
doaj   +1 more source

Exploring production of social and economic value in social enterprises through a business model framework

Strategic Change, EarlyView.
Abstract This study explores how social enterprises create social and economic value through business models that support ex‐offenders. The work was motivated by a request for help from an entrepreneur wishing to establish a business that supports ex‐offender rehabilitation.
Elizabeth Green, Peter Bradley, Glenn Parry   +2 more
wiley   +1 more source

Comparative analysis of single versus multi-IRS-assisted multi-user for 6 G wireless communication systems

Discover Applied Sciences
Intelligent Reflecting Surfaces (IRSs) are emerging as a key enabler technology for advancing wireless communications in 6G networks, serving as a complementary solution alongside massive MIMO and terahertz (THz) communication.
Ayalew Tadese Kibret, Amare Kassaw Yimer, Belayneh Sisay Alemu   +2 more
doaj   +1 more source

Joint Beamforming and Trajectory Optimization for Intelligent Reflecting Surfaces-Assisted UAV Communications

IEEE Access, 2020
Unmanned aerial vehicle (UAV) and intelligent reflecting surface (IRS) are anticipated to be widely applied for improving the spectrum and energy efficiency in the forthcoming wireless communication systems.
Linghui Ge, Peihao Dong, Hua Zhang, Jun-Bo Wang, X. You   +4 more
semanticscholar   +1 more source

Enabling Under Ice Glider Operations: A Backseat Driver Approach

Journal of Field Robotics, EarlyView.
ABSTRACT Polar Oceans are key locations for forcing global ocean circulation, influencing both global climate and biogeochemical cycles. Due to restricted access to these seasonally and perennially ice‐covered regions, these areas are severely undersampled.
Yaomei Wang, Benjamin Allsup, Georgios Salavasidis, Stephen Woodward, Adeniyi Adenaya, Mike Smart, Alexis Johnson, Felipe Marques Dos Santos, Jake Ludgate, Daniel Matterson, Alvaro Lorenzo, J. Alexander Brearley, Alexander Brian Phillips   +12 more
wiley   +1 more source

Electromagnetic Insights Into Path Loss Modelling of IRS-Assisted SISO Links: Method-Of-Moment Based Analysis

Frontiers in Communications and Networks, 2021
In this paper, we demonstrate the usefulness of MoM (Method-of-Moments) based methods in efficient path-loss modelling for SISO (single-input single-output) communication links assisted by IRS (Intelligent Reflecting Surfaces).
Debdeep Sarkar , Yahia Antar
doaj   +1 more source

Improving Channel Gain of 6G Communications Systems Supported by Intelligent Reflective Surface [PDF]

The 6G wireless communication networks may use intelligent reflecting surfaces (IRS). It can enhance energy efficiency (EE). The IRS can enhance wireless communication by selectively reflecting incident signals in favorable directions.
Al-Safi, Jehan Kadhim Shareef, Alsahlanee, Abbas Thajeel Rhaif   +1 more
core   +2 more sources

Machine learning‐driven advances in carbon‐based quantum dots: Opportunities accompanied by challenges

Responsive Materials, EarlyView.
Machine learning provides a unifying framework to connect structure, fluorescence properties, and applications of carbon‐based quantum dots. This review highlights how data‐driven strategies enable fluorescence regulation, reveal underlying mechanisms, and accelerate the rational design of functional carbon dots.
Liangfeng Chen, Siwei Yang, Xiangqian Cui, Ziheng Liu, Hang Wang, Yongqiang Li, Peng He, Miao Wang, Guqiao Ding   +8 more
wiley   +1 more source