Results 101 to 110 of about 13,960 (190)

Electronic and Structural Determinants of Activity and Stability in Noble Metal OER Catalysis

ChemCatChem, Volume 18, Issue 7, 14 April 2026.
Activity and stability in noble metal oxygen evolution reaction (OER) catalysts arise from coupled electronic and structural effects at the catalyst surface. Electronic engineering, crystallographic control, lattice modulation, and surface engineering tune the d‐band structure, oxidation state, strain, and coordination environment of noble metal based ...
Gordon A. Ochsner, Ryusuke Mizuochi, Lianzhou Wang, Zhiliang Wang   +3 more
wiley   +1 more source

EMOPP-IRS: Evolutionary Multi-Objective Path Planning for Intelligent IRS-Assisted IoT Networks

IEEE Open Journal of the Communications Society
Intelligent Reflecting Surfaces (IRS) have recently emerged as a transformative technology in the realm of satellite communication networks, particularly in Space-Air-Ground Integrated Networks (SAGIN), offering significant improvements, particularly in ...
Muhammad Farhan, Lei Wang, Nadir Shah, Gabriel-Miro Muntean   +3 more
doaj   +1 more source

A Spectral Efficiency Design for Active IRS-assisted SWIPT System via Semidefinite Relaxation Method

Journal of Telecommunications and Information Technology
Active intelligent reflecting surfaces (IRS) with phase-shift and amplifier capabilities have arisen as a solution relied upon to improve spectral/energy efficiency of wireless systems, as they outperform conventional passive techniques/without IRS ...
Pham Viet Tuan, Hoang Dai Long, Pham Ngoc Son, Mai T. P. Le   +3 more
doaj   +1 more source

Optimizing sum rates in IoT networks: A novel IRS-NOMA cooperative system

ICT Express
Intelligent Reflecting Surfaces (IRS) offer a promising solution for enhancing sum rates in wireless networks by dynamically adjusting signal reflections to optimize propagation paths.
Mukkara Prasanna Kumar, Ammar Summaq, Sunil Chinnadurai, Poongundran Selvaprabhu, Vinoth Babu Kumaravelu, Md. Abdul Latif Sarker, Dong Seog Han   +6 more
doaj   +1 more source

Optimizing IRS placement and element configuration in B5G: A novel cooperative hybrid communication system

Results in Engineering
The next generation of wireless networks demands transformative solutions to achieve ultra-reliable, high-capacity, and energy-efficient communications.
Mukkara Prasanna kumar, Shaik Rajak, Ammar Summaq, Karthikeyan Elumalai, Poongundran Selvaprabhu, Sunil Chinnadurai   +5 more
doaj   +1 more source

Resource Control in IRS Assisted Multi-Access Edge Computing for Sustainable 6G IIoT Networks

IEEE Open Journal of the Communications Society
Industrial Internet-of-Things (IIoT) applications in sectors such as energy, manufacturing, healthcare, transportation, and logistics employ intelligent devices, sensors, and connected terminals to improve operational efficiency.
Ashu Taneja, Shalli Rani, Wadii Boulila
doaj   +1 more source

Quantum neural network empowered spectral efficiency analysis in IRS-assisted communication systems

Alexandria Engineering Journal
The rapid increase in data consumption by mobile users has created a demand for innovative architectures to address this growing need. Concurrently, classical neural network-based intelligent reflecting surfaces (IRS) have gained traction in 6G networks ...
Md Habibur Rahman, Md Abdul Aziz, Rana Tabassum, Mohammad Abrar Shakil Sejan, Myung-Sun Baek, Hyoung-Kyu Song   +5 more
doaj   +1 more source

IoT network performance enhancement with intelligent reflecting surfaces and relay

Journal of Information and Telecommunication
This article explores the integration of a relay station with two intelligent reflecting surfaces (IRSs) to enhance energy efficiency (EE) and system throughput (ST) in low-power wide-area networks (LPWAN) modelled for Internet of Things (IoT ...
Sang Q. Nguyen, Tran Cong Hung, Bui Trong Hoang, Bui Vu Minh, Yeon Ho Chung, Tan N. Nguyen   +5 more
doaj   +1 more source

Optimizing low-power, anti-interference routing with IRS through spatiotemporal reinforcement and federated learning

Discover Applied Sciences
This paper introduces the SAC-IRS algorithm, a novel approach that combines Intelligent Reflecting Surfaces (IRS) and Reinforcement Learning (RL) to optimize network performance, specifically targeting packet delivery rate and energy efficiency.
Chengfu Fan, Shoujiu Xiong, Fei Zhou
doaj   +1 more source

A Survey on Resource Allocation and Energy Efficient Maximization for IRS-Aided MIMO Wireless Communication

IEEE Access
This survey paper provides a comprehensive overview of integrating Multiple-Input Multiple-Output (MIMO) with Intelligent Reflecting Surfaces (IRS) in wireless communication systems.
Nivetha Baskar, Poongundran Selvaprabhu, Vinoth Babu Kumaravelu, Sunil Chinnadurai, Vetriveeran Rajamani, Vivek Menon U, Vinoth Kumar C   +6 more
doaj   +1 more source