Results 51 to 60 of about 153,389 (275)

PPO-based deployment and phase control for movable intelligent reflecting surface

open access: yesJournal of Cloud Computing: Advances, Systems and Applications, 2023
Intelligent reflecting surface (IRS) stands as a promising technology to revolutionize wireless communication by manipulating incident signal amplitudes and phases to enhance system performance. While existing research primarily centers around optimizing
Yikun Zhao   +4 more
doaj   +1 more source

Impact of Amplitude Response on the Capacity of an Intelligent-Reflecting-Surface-Enabled Narrowband SISO System

open access: yesEngineering Proceedings, 2023
Future wireless networks are characterized as having a combination of various technologies such as artificial intelligence, machine learning, combined communication, sensing and others.
Aisha Danish, Naureen Farhan
doaj   +1 more source

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

open access: yes, 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   +3 more
core  

Intelligent-Reflecting-Surface-Assisted Multicasting with Joint Beamforming and Phase Adjustment

open access: yesApplied Sciences, 2022
In this paper, a set of transmission schemes are proposed for the delivery of multicast (MC) signals, in which an intelligent reflecting surface (IRS) assists the transmission from an access point (AP) to a set of multicast users.
Duckdong Hwang   +3 more
doaj   +1 more source

Resource allocation algorithm for intelligent reflecting surface-aided SWIPT networks

open access: yesTongxin xuebao, 2022
In order to achieve the efficient interconnection of everything, under the limitations of terminal devices’ batteries and network coverage, the intelligent reflecting surface (IRS) technology was introduced to build a new IRS-aided simultaneous wireless ...
Wei SUN, Qingyang SONG, Lei GUO
doaj   +2 more sources

Structural biology of ferritin nanocages

open access: yesFEBS 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

Reconfigurable Intelligent Surfaces for Energy Efficiency in Wireless Communication

open access: yes, 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.   +4 more
core   +1 more source

Intelligent Reflecting Surface Assisted Localization: Opportunities and Challenges

open access: yesElectronics, 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   +4 more
openaire   +2 more sources

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

open access: yesFEBS 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   +3 more
wiley   +1 more source

Intelligent reflecting surface for sum rate enhancement in MIMO systems

open access: yesDigital Communications and Networks
The research for the Intelligent Reflecting Surface (IRS) which has the advantages of cost and energy efficiency has been studied. Channel capacity can be effectively increased by appropriately setting the phase value of IRS elements according to the ...
Chan-Yeob Park   +4 more
doaj   +1 more source

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