Results 11 to 20 of about 53,947 (297)

Millimeter-Wave Smart Antenna Solutions for URLLC in Industry 4.0 and Beyond

open access: yesSensors, 2022
Industry 4.0 is a new paradigm of digitalization and automation that demands high data rates and real-time ultra-reliable agile communication. Industrial communication at sub-6 GHz industrial, scientific, and medical (ISM) bands has some serious ...
Abdul Jabbar   +9 more
doaj   +1 more source

Smart Antennas and Intelligent Sensors Based Systems: Enabling Technologies and Applications [PDF]

open access: yes, 2019
open access articleThe growing communication and computing capabilities in the devices enlarge the connected world and improve the human life comfort level.
Fawad, Zaman   +3 more
core   +1 more source

3D Band-Absorptive Frequency Selective Rasorber: Concept and Analysis

open access: yesIEEE Access, 2019
This paper presents a 3D band-absorptive frequency selective rasorber (FSR). Such an FSR is absorptive within a specific band and almost transparent below the absorption band. The definition and evaluation of the band-absorptive FSR is initially provided
Yufeng Yu   +6 more
doaj   +1 more source

Optimal Power Allocation With Multiple Joint Associations in Multi-User MIMO Full-Duplex Systems

open access: yesIEEE Access, 2023
Optimum power allocation is an effective way to mitigate residual self-interference and inter-user interference in multiple input multiple output full-duplex (FD) systems.
Kunbei Pan, Bin Zhou, Zhiyong Bu
doaj   +1 more source

A building concept of a promising meteor-burst communication system [PDF]

open access: yesРадиофизика и электроника, 2020
Subject and Purpose. The paper presents a building concept of a promising meteor-burst communication system with enhanced bandwidth, noise immunity and covert operation of the system. Methods and Methodology.
O.V. Holovan, V.M. Kharchenko
doaj   +1 more source

Recent Advances of Wearable Antennas in Materials, Fabrication Methods, Designs, and Their Applications: State-of-the-Art

open access: yesMicromachines, 2020
The demand for wearable technologies has grown tremendously in recent years. Wearable antennas are used for various applications, in many cases within the context of wireless body area networks (WBAN).
Shahid M. Ali   +5 more
doaj   +1 more source

The next generation textile antennas based on substrate integrated waveguide technology [PDF]

open access: yes, 2014
Textile antennas for body-worn applications have some very specific requirements and needs. From an electrical engineer's point of view, good radiation characteristics and impedance matching to the active electronics are important.
Agneessens, Sam   +4 more
core   +2 more sources

Wearable flexible lightweight modular RFID tag with integrated energy harvester [PDF]

open access: yes, 2016
A novel wearable radio frequency identification (RFID) tag with sensing, processing, and decision-taking capability is presented for operation in the 2.45-GHz RFID superhigh frequency (SHF) band.
Agneessens, Sam   +5 more
core   +2 more sources

A Wideband Direct Data Domain Genetic Algorithm Beamforming [PDF]

open access: yes, 2015
In this paper, a wideband direct data-domain genetic algorithm beamforming is presented. Received wideband signals are decomposed to a set of narrow sub-bands using fast Fourier transform.
Elkamchouchi, H. M., Hassan, M. M.
core   +4 more sources

Rapid Beam Forming in Smart Antennas Using Smart-Fractal Concepts Employing Combinational Approach Algorithms

open access: yesInternational Journal of Antennas and Propagation, 2012
Smart antennas offer a broad range of ways to improve wireless system performance. They provide enhanced coverage through range extension, hole filling, and better building penetration.
Mounissamy Levy   +3 more
doaj   +1 more source

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