Results 51 to 60 of about 165,363 (243)
Inverse Multipath Fingerprinting for Millimeter Wave V2I Beam Alignment [PDF]
IEEE Transactions on Vehicular Technology, 2017 Efficient beam alignment is a crucial component in millimeter wave systems with analog beamforming, especially in fast-changing vehicular settings.
Vutha Va +4 more
semanticscholar +1 more source
MXene‐Coated 3D Printed Horn Antennas for Ku Frequency Band
Advanced Materials Technologies, EarlyView.An additive manufacturing approach to 3D printing horn antennas and coating them with Ti3C2Tx MXene is proposed. Rapid fabrication of lightweight, high‐performance antennas operating in the Ku‐band (12.4–18 GHz) has been demonstrated. The MXene‐coated antennas exhibit comparable electromagnetic performance to conventional, costly aluminum ones, with ...
Zahra Sarpanah Sourkouhi +3 more
wiley +1 more source
Distortion Cancellation via Polyphase Multipath Circuits [PDF]
, 2004 The central question of this paper is: can we enhance the spectral purity of nonlinear circuits with the help of polyphase multipath circuits. Polyphase multipath circuits are circuits with two or more paths that exploit phase differences between the ...
Klumperink, Eric A.M. +2 more
core +3 more sources
Boosting Photo‐Pyroelectric Effect via Tunable Polarization and Interfacial Defect Engineering
Advanced Science, EarlyView.This study reports Ba(Ti0.85Zr0.15)O3 nanocatalysts with enhanced polarization and oxygen‐vacancy‐rich interfaces for efficient NIR‐II photo‐pyroelectric therapy. Zr doping boosts the pyroelectric coefficient and accelerates polarization switching, while oxygen vacancies improve photothermal conversion and surface reactivity.
Yanli Huang +13 more
wiley +1 more source
Retransmission Avoidance for Reliable Data Delivery in Underwater WSNs
Sensors, 2018 The energy-efficient and reliable delivery of data packets in resource constraint underwater wireless sensor networks (UWSNs) is one of the key considerations to enhance the network lifetime.
Babar Ali +5 more
doaj +1 more source
Spectral Purity Enhancement via Polyphase Multipath Circuits [PDF]
, 2004 The central question of this paper is: can we enhance the spectral purity of nonlinear circuits by using polyphase multipath circuits? The basic idea behind polyphase multipath circuits is to split the nonlinear circuits into two or more paths and ...
Klumperink, Eric +2 more
core +1 more source
Advanced Electronic Materials, EarlyView.This paper reviews the physics of liquid metals in RF devices, including the influence of mechanical strain on resonance as well as fabrication methods and strategies for designing tunable and strain‐tolerant inductors, capacitors, and antennas.
Md Saifur Rahman, William J. Scheideler
wiley +1 more source
Applied SciencesThis paper addresses the problem of mitigating unknown partial path overlaps in communication systems. This study demonstrates that by utilizing the front-end insight of communication systems along with the sum–product algorithm applied to factor graphs,
Anoush Mirbadin, Abolfazl Zaraki
doaj +1 more source
DOA Estimation of Unknown Emitter Signal Based on Time Reversal and Coprime Array
Sensors, 2019 In this paper, a novel direction-of-arrival (DOA) estimation for unknown (anonymous) emitter signal (ES) based on time reversal (TR) and coprime array (CA) is proposed.
Bing Li +3 more
doaj +1 more source
A Cross-layer Approach for MPTCP Path Management in Heterogeneous Vehicular Networks
Journal of Communications Software and Systems, 2023 Multipath communication has recently arisen as a promising tool to address reliable communication in vehicular networks. The architecture of Multipath TCP (MPTCP) is designed to facilitate concurrent utilization of multiple network interfaces, thereby ...
Vadym Hapanchak, Antonio Costa
doaj +1 more source