Results 51 to 60 of about 60,314 (279)

Reconfigurable Intelligent Surface-Aided Single-Input Single-Output K-Complex Symbol Golden Codeword-Based Modulation

IEEE Access, 2021
Small reconfigurable intelligent surfaces (RISs) have greater potential for flexibility and ubiquity compared to large RISs. In the literature, the theoretical average bit error probability (ABEP) of a phase-adjustable element access-point-based RIS (AP ...
Narushan Pillay, Hongjun Xu
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, Xiaohu You   +4 more
doaj   +1 more source

Reconfigurable Intelligent Surfaces for Energy Efficiency in Wireless Communication

, 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   +1 more source

Exploiting Amplitude Control in Intelligent Reflecting Surface Aided Wireless Communication with Imperfect CSI

, 2021
Intelligent reflecting surface (IRS) is a promising new paradigm to achieve high spectral and energy efficiency for future wireless networks by reconfiguring the wireless signal propagation via passive reflection.
Wu, Qingqing, Zhang, Rui, Zhao, Min-Jian, Zhao, Ming-Min   +3 more
core  

Structural biology of ferritin nanocages

FEBS Letters, EarlyView.
Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley   +1 more source

WiFi-based Respiration Detection Aided by Intelligent Reflecting Surfaces

Leida xuebao
Since 2010, the utilization of commercial WiFi devices for contact-free respiration monitoring has garnered significant attention. However, existing WiFi-based respiration detection methods are susceptible to constraints imposed by hardware limitations ...
Yun WU, Dongheng ZHANG, Ganlin ZHANG, Xuecheng XIE, Fengquan ZHAN, Yan CHEN   +5 more
doaj   +1 more source

Intelligent Reflecting Surface Assisted Localization: Opportunities and Challenges

Electronics, 2022
Future generation communication systems are aiming to provide a tremendous high data rate with low-latency high reliable and three-dimensional coverage. To achieve such a challenging goal, it is required to have very precise location information related to the mobile terminal.
Samarendra Nath Sur, Arun Kumar Singh, Debdatta Kandar, Adão Silva, Nhan Duc Nguyen   +4 more
openaire   +2 more sources

Linking neurogenesis, oligodendrogenesis, and myelination defects to neurodevelopmental disruption in primary mitochondrial disorders

FEBS Letters, EarlyView.
Mitochondrial remodeling shapes neural and glial lineage progression by matching metabolic supply with demand. Elevated OXPHOS supports differentiation and myelin formation, while myelin compaction lowers mitochondrial dependence, revealing mitochondria as key drivers of developmental energy adaptation.
Sahitya Ranjan Biswas, Porter L. Tomsick, Alicia M. Pickrell, Paul D. Morton   +3 more
wiley   +1 more source

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

FEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

Survey on Optical Wireless Communication with Intelligent Reflecting Surfaces

Photonics
Optical Wireless Communication (OWC) technology has gained significant attention in recent years due to its potential for providing high-data-rate wireless connections through the large license-free bandwidth available.
Chengwei Fang, Shuo Li, Yinong Wang, Ke Wang   +3 more
doaj   +1 more source