Results 1 to 10 of about 126,420 (155)

Gain Enhancement of a Wide Slot Antenna Using a Second-Order Bandpass Frequency Selective Surface [PDF]

open access: yesRadioengineering, 2015
Gain enhancement of a wide slot antenna over a wide frequency band using a low profile, second order bandpass frequency selective surface (FSS) as a superstrate is presented in this paper.
A. Chatterjee, S. K. Parui
doaj   +4 more sources

Compact Circularly Polarized Patch Antenna Using a Composite Right/Left-Handed Transmission Line Unit-Cell [PDF]

open access: yesRadioengineering, 2013
A compact circularly polarized (CP) patch antenna using a composite right/left-handed (CRLH) transmission line (TL) unit-cell is proposed. The CRLH TL unit-cell includes a complementary split ring resonator (CSRR) for shunt inductance and a gap loaded ...
L. Geng   +4 more
doaj   +2 more sources

Independently Tunable Closely Spaced Triband Frequency Selective Surface Unit Cell Using the Third Resonant Mode of Split Ring Slots [PDF]

open access: yesIEEE Access, 2021
In this paper, a tunable triband frequency selective surface unit cell based on varactor-loaded split ring slots is presented. By using the third resonant mode, a considerable mutual coupling reduction between adjacent ring slots is obtained ensuring both close band response as well as independent band tuning.
Henry Fabian-Gongora   +5 more
openaire   +2 more sources

Enhancing meta slot space space wavelength to solve blocking case in elastic optical networks

open access: yesMeasurement: Sensors, 2023
Elastic optical networks (EONs) are a promising technology for the development of flexible and wideband communication systems. The (FSU) frequency slot unit concept is used in this technology to define the bandwidth unit in the frequency domain.
Mustafa Taha Hussein Al-Musawi   +2 more
doaj   +1 more source

Miniaturized Folded-Slot CubeSat MIMO Antenna Design with Pattern Diversity

open access: yesSensors, 2022
In this paper, a folded slot-based multiple-input–multiple-output (MIMO) antenna design for Cube Satellite (CubeSat) applications is presented for the ultra-high frequency (UHF) band.
Rifaqat Hussain   +8 more
doaj   +1 more source

Compact Sub-6-GHz Four-Element MIMO Slot Antenna System for 5G Tablet Devices

open access: yesIEEE Access, 2020
A sub-6-GHz four-element multi-input multi-output (MIMO) slot antenna system was proposed in this study for fifth-generation (5G) tablet computers, where each antenna element was constructed using a slot structure.
Shu-Chuan Chen   +3 more
doaj   +1 more source

In‐band radar cross‐section reduction of the slot array antennas by RAM‐based frequency selective surfaces

open access: yesIET Microwaves, Antennas & Propagation, 2021
A method for reducing radar cross‐section (RCS) of the slot array antenna by utilising the radar absorbing material, while preserving the radiation performance simultaneously, is proposed and discussed.
Bagher Noorbakhsh   +2 more
doaj   +1 more source

Advanced Considerations Concerning Impact of Applied Call Admission Control Mechanisms on Traffic Characteristics in Elastic Optical Network Nodes

open access: yesJournal of Telecommunications and Information Technology, 2023
Over the past few years, a significant increase in network traffic volumes has been observed. The ever growing bandwidth demands mean that a reliable and optimum service level needs to be ensured in communication systems for specific traffic categories.
Mariusz Głąbowski, Maciej Sobieraj
doaj   +1 more source

Algorithms for Fast Aggregated Convergecast in Sensor Networks [PDF]

open access: yes, 2008
Fast and periodic collection of aggregated data is of considerable interest for mission-critical and continuous monitoring applications in sensor networks.
Anil Kumar, V.S.   +3 more
core   +11 more sources

Synthesis of a polarisation‐rotating surface with reflective filtering response based on orthogonally inserted coupled slot‐lines

open access: yesIET Microwaves, Antennas & Propagation, 2023
In this article, a three‐dimensional polarisation‐rotation surface (PRS) with reflective filtering response based on two orthogonally inserted coupled slot‐line is investigated, which can reflect a vertically/horizontally polarised incident wave by 90 ...
Tao Wei   +3 more
doaj   +1 more source

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