Results 31 to 40 of about 5,271,083 (289)
Antenna Study and Design for Ultra Wideband Communication Applications [PDF]
, 2006 PhDSince the release by the Federal Communications Commission (FCC) of a bandwidth of 7.5GHz (from 3.1GHz to 10.6GHz) for ultra wideband (UWB) wireless communications, UWB is rapidly advancing as a high data rate wireless communication technology.
Liang, Jianxin
core +4 more sources
A Comprehensive Review of Metasurface Structures Suitable for RF Energy Harvesting
IEEE Access, 2020 Energy harvesting (EH) or scavenging is recognized as harvesting energy from ambient energy sources in the surrounding environment. This paper reports a literature review on radio frequency (RF) EH using different metasurface/metamaterial structures ...
Abdulrahman Ahmed Ghaleb Amer +4 more
doaj +1 more source
IEEE Antennas and Wireless Propagation LettersA periodic leaky-wave antenna with backward-to-forward scanning capability is presented. Two versions of the antenna, one with bidirectional radiation and the other with unidirectional radiation, are introduced.
Álvaro Jaque +2 more
semanticscholar +1 more source
Electronics, 2023 A W-band, high-gain, hybrid slot antenna array based on bulk silicon MEMS technology is proposed in this paper. The high-order-mode cavity is explored to excite the 2 × 2-slot basic unit, so as to reach the low-profile requirement of the bulk silicon ...
Yu Zhao +5 more
semanticscholar +1 more source
Double U-slots patch antenna for tri-band wireless systems [PDF]
, 2010 File shown is the pre-print version of the published paper, with the title "Connected u-slots pathch antenna for WiMAX applications"ABSTRACT: A compact microstrip patch antenna with two U-slots shape is presented.
AbuTarboush, HF +11 more
core +1 more source
Wideband, Low-Profile, Dual-Polarized Slot Antenna with an AMC Surface for Wireless Communications
International Journal of Antennas and Propagation, 2016 A wideband dual-polarized slot antenna loaded with artificial magnetic conductor (AMC) is proposed for WLAN/WIMAX and LTE applications. The slot antenna mainly consists of two pairs of arrow-shaped slots along the diagonals of the square patch.
Wei Hu +3 more
doaj +1 more source
Dual Polarized Reconfigurable Frequency Selective Surfaces [PDF]
, 2013 Novel band-stop active frequency selective surfaces (FSS) capable of modifying their response for different polarizations are proposed. Geometries based on full rings, and split rings are employed.
Sanz-Izquierdo, B., Parker, E.A.
core +1 more source
Design of an ultra-wideband energy harvesting rectifier antenna
Dianzi Jishu Yingyong, 2022 In order to make better use of RF energy of space radio waves, a broadband antenna covering resonant frequency from 1 to 14 GHz is designed, and a rectified antenna is designed for 2.4 GHz. The main part of the antenna is a circular patch.
Xue Liang, Bai Xue, Xu Leijun
doaj +1 more source
Circularly polarized U-Slot antenna [PDF]
, 2007 Circularly polarized single-layer U-slot microstrip patch antenna has been proposed. The suggested asymmetrical U-slot can generate the two orthogonal modes for circular polarization without chamfering any corner of the probe-fed square patch microstrip ...
Tong, KF, Wong, TP
core
Substrate-Integrated Folded Waveguide Slot Antenna [PDF]
, 2005 In recent years a number of researchers have proposed novel techniques for fabricating rectangular waveguide using microwave integrated circuit techniques.
Sanz-Izquierdo, Benito +4 more
core +1 more source