Results 71 to 80 of about 8,466 (210)

Design of Broadband Aperture-Stacked Patch Microstrip Antennas Based on Third Order Filtering Equivalent Circuits

IEEE Open Journal of Antennas and Propagation
In this paper the authors describe the design of a broadband aperture-stacked patch (ASP) microstrip antenna based on a filtering equivalent circuit.
Ignacio M. Delgado-Lozano, Rafael R. Boix, Vicente Losada, Armando Fernandez-Prieto   +3 more
doaj   +1 more source

Broadband double-layered coplanar patch antennas with adjustable CPW feeding structure

, 2004
In this paper, we have presented the double-layered coplanar patch antennas of enhanced impedance bandwidth and adjustable conductor-backed coplanar waveguide feed lines.
Tong, K.F., Li, K., Matsui, T., Izutsu, M.   +3 more
core  

Angle of arrival estimation for broadband signals : a comparison

, 2013
This paper reviews and compares three different linear algebraic signal subspace techniques for angle of arrival estimation. These include a polynomial matrix approach to multiple signal classification (MUSIC), a parameterised spatial covariance matrix ...
Weiss, Stephan, S. Weiss, J.G. McWhirter, McWhirter, John G., S. Lambotharan, S. Redif, Lambotharan, Sangarapillai, M. Alrmah, Alrmah, Mohamed Abubaker, Redif, Soydan   +9 more
core   +1 more source

A New Antenna Capable of Generating Broadband Plane Spiral Orbital Angular Momentum

IEEE Access
The plane spiral orbital angular momentum (PS-OAM), which is a special form of orbital angular momentum (OAM) beams, solves the problem of OAM beam divergence to some extent.
Na Li, Guirong Feng, Ping Li, Xiaowei Shi   +3 more
doaj   +1 more source

A broadband horizontally polarised omnidirectional antenna with stable radiation patterns

The Journal of Engineering, 2019
A broadband horizontally polarised omnidirectional antenna (HPOA) with stable radiation patterns is proposed. The antenna is composed of two orthogonal broadband HPOA units fed by a wideband power divider.
Zhou Lei, Cui Mantang, Lu Yangyi
doaj   +1 more source

Antenna Study and Design for Ultra Wideband Communication Applications

, 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  

A wide Bandwidth Pyramidal Horn Antenna with Enhanced Gain Using Metasurface layer

Zanco Journal of Pure and Applied Sciences, 2021
      A new design of a pyramidal horn antenna operating at 8-18 GHz based on the waveguide structure is presented in this paper. A metasurface layer, which consists of a set of periodic unit cells, is employed on the E-plane walls of the horn antenna ...
Avin Jawhar Ali, Rashad Mahmud
doaj  

Investigation into a Miniaturized Wideband Parasitic Array Antenna

Applied Sciences
Compact antennas with broad bandwidth and high gain are essential for modern communication systems, where efficient performance and miniaturization are critical.
Lauryn Paige Smith, Yen Le, Sungkyun Lim
doaj   +1 more source

Compact broadband rectangular microstrip antennas

, 2006
Compact and broadband gap-coupled microstrip antennas using modified variations of the rectangular microstrip antenna (MSA), namely, C-shaped, shorted L-shaped, W-shaped, and square-ring MSAs. are proposed.
Amit A. Deshmukh, KUMAR, G, Girish Kumar, DESHMUKH, AA   +3 more
core   +1 more source

Contribution to the characterization and evaluation of multiple antenna systems for communications: prototyping, propagation and antenna perspective

, 2007
The advent of new services and applications in mobile and wireless communications, most of them based on high data rates, is helping to reactivate the Telecommunication market.
García García, Laura
core   +2 more sources