Results 81 to 90 of about 39,692 (248)

Physical Layer Security: Channel Sounding Results for the Multi-Antenna Wiretap Channel. [PDF]

Entropy (Basel), 2023
Harman D, Knapp K, Sweat T, Lundrigan P, Rice M, Harrison W.   +5 more
europepmc   +1 more source

Self‐Assembled Lipids as Soft Dielectrics

Advanced Functional Materials, EarlyView.
Self‐assembled lipid bilayers serve as soft dielectric materials for ultrathin electronics. Using liquid‐metal parallel‐plate junctions, the capacitance and dielectric breakdown of dehydrated lipid films are characterized. Dielectric behavior is controlled by lipid molecular structure, cholesterol content, and assembly conditions, providing molecular ...
Hao Yang, Yiding Li, Jitong Ren, Yu Shi, Charles M. Schroeder   +4 more
wiley   +1 more source

RIS-assisted Physical Layer Security

CoRR
We propose a reconfigurable intelligent surface (RIS)-assisted wiretap channel, where the RIS is strategically deployed to provide a spatial separation to the transmitter, and orthogonal combiners are employed at the legitimate receiver to extract the data streams from the direct and RIS-assisted links.
Xudong Li, Matthias Frey, Ehsan Tohidi, Igor Bjelakovic, Slawomir Stanczak   +4 more
openaire   +2 more sources

Physical-Layer Security with Irregular Reconfigurable Intelligent Surfaces for 6G Networks. [PDF]

Sensors (Basel), 2023
Frimpong EO, Oh BH, Kim T, Bang I.
europepmc   +1 more source

Spin Dynamics in the van der Waals Ferromagnet CrTe2 Engineered by Niobium Doping

Advanced Functional Materials, EarlyView.
Spin‐dynamic magnetic properties of van der Waals (vdW) ferromagnet 1T‐CrTe2 are tuned via niobium (Nb) as Cr1‐xNbxTe2 (x = 0–0.2). Nb doping enables wide‐band tuning of the resonance frequency from 40 GHz down to the few‐GHz regime, accompanied by a moderate increase in the Gilbert damping from ∼0.066 to ∼0.14.
Dhan Raj Lawati, Prem Bahadur Karki, Jitender Kumar, Karishma Prasad, Mohamed A. Elekhtiar, Kai Huang, Bibek Tiwari, Suvechhya Lamichhane, Rupak Timalsina, Zane Hubble, Ayodimeji E. Aregbesola, John Watt, Sy‐Hwang Liou, Evgeny Y. Tsymbal, Jian Wang, Kapildeb Ambal, Abdelghani Laraoui   +16 more
wiley   +1 more source

Physical layer security performance of MF relay selection systems

Dianxin kexue, 2021
Aimed at the poor security performance of single antenna multi-relay modify-and-forward (MF) cooperative wireless systems in collusion eavesdropping scenario, MF cooperative physical layer security systems combining source node transmit antenna selection
Ying CHENG, Guangqiu LI, Jingjie SHEN, Liang WEI   +3 more
doaj  

UAV Swarm-Enabled Aerial CoMP: A Physical Layer Security Perspective

IEEE Access, 2019
Unlike aerial base station enabled by a single unmanned aerial vehicle (UAV), aerial coordinated multiple points (CoMP) can be enabled by a UAV swarm. In this case, the management of multiple UAVs is important.
Xuanxuan Wang, Wei Feng, Yunfei Chen, Ning Ge   +3 more
doaj   +1 more source

Design and Characterization of a Two‐Dimensional Soft Array Based on Cooperative Dielectric Elastomer Actuators

Advanced Functional Materials, EarlyView.
A fully polymeric two‐dimensional array of Dielectric Elastomers enables self‐sensing, cooperative actuation, and large‐stroke operation in a DE‐based autonomous conveyor. Based only on voltage and current measurements at actuator level, the system detects the presence of a ball and subsequently drives it toward a target position.
Saverio Addario, Alberto Priuli, Giovanni Soleti, Sebastian Gratz‐Kelly, Benjamin Zemlin, Stefan Seelecke, Gianluca Rizzello   +6 more
wiley   +1 more source

Endogenous security in the physical layer of wireless communications: key technologies, advantages and future challenges

Tongxin xuebao
The rapid development of wireless communications has put forward higher requirements for the design of security architectures for future communications.
LU Xinjin, SHI Yuxin, LEI Jing, YANG Zhifei, YANG Xiaojun   +4 more
doaj  

Physical-Layer Security in Power-Domain NOMA Based on Different Chaotic Maps. [PDF]

Entropy (Basel), 2023
Abu Al-Atta M, Said KA, Mohamed MA, Raslan W.   +3 more
europepmc   +1 more source