A simple alternative for beam reconfiguration of array antennas

F Ares-Pena, G Franceschetti, JA Rodriguez - Progress in Electromagnetics …, 2008‏ - jpier.org
An innovative method for antenna arrays beam configuration is presented. In the proposed
method, every element of the array is connected to its feed through a switch, so that it can be …

Parametric study of pyramidal microwave absorber using rice husk

H Nornikman, MFB Abd Malek, PJ Soh… - Progress In …, 2010‏ - jpier.org
Agriculture waste has potential to be used as an alternative material for the microwave
absorber used in the anechoic chamber. Compared to the current materials used, such as …

Rubber tire dust-rice husk pyramidal microwave absorber

MFB Abd Malek, EM Cheng, O Nadiah… - Progress In …, 2011‏ - jpier.org
Rubber tire dust-rice husk is an innovation in improving the design of pyramidal microwave
absorbers to be used in radio frequency (RF) anechoic chambers. An RF anechoic chamber …

Setup and results of pyramidal microwave absorbers using rice husks

H Nornikman, MFB Abd Malek, M Ahmed… - Progress In …, 2011‏ - jpier.org
Agricultural wastes are considered not useful and are commonly dumped or burned after
crop harvesting. Rice husks from paddy (Oryza sativa) are example of agricultural wastes …

A photon modeling method for the characterization of indoor optical wireless communication

HS Lee - Progress In Electromagnetics Research, 2009‏ - jpier.org
In this paper, an analysis method for optical wave propagation based on photon model is
presented for the characterization of optical wireless communication environment. In …

A novel integrated mathematical approach of ray-tracing and genetic algorithm for optimizing indoor wireless coverage

AW Reza, MS Sarker, K Dimyati - Progress In Electromagnetics Research, 2010‏ - jpier.org
While designing wireless networks, it is crucial to obtain the maximum coverage by using
minimum number of transmitting antennas. This paper proposes a new algorithm for …

Investigation of Electrical and Magnetic Properties of La3+ Substituted M-Type Ba–Ni Nano-Ferrites

M Ramzan, MI Arshad, M Sharif, K Mahmood… - … of Superconductivity and …, 2019‏ - Springer
In this paper, La 3+ substituted M-type Ba–Ni hexaferrite nanoparticles having composition
Ba 0.8 Ni 0.2 Fe 12-x La x O 19 (x= 0, 0.2, 0.4, 0.6, and 0.8) were prepared by co …

[HTML][HTML] Design of an Anechoic Chamber for W-Band and mmWave

P Pinho, H Santos, H Salgado - Electronics, 2020‏ - mdpi.com
In this paper, we describe the design of an electrically large anechoic chamber for usage on
millimetre-wave bands. Ansys Savant sotware was used to perform a simulation of the …

Optimal compromise among sum and difference patterns in monopulse antennas: Use of subarrays and distributions with common aperture tail

MA Folgueiras, JAR Gonzalez… - Journal of Electromagnetic …, 2009‏ - Taylor & Francis
Given a linear antenna array with an excitation distribution affording an optimal sum pattern,
subarray weighting allows the same array also to generate a difference pattern, with minimal …

A novel ray-tracing technique for indoor radio signal prediction

MS Sarker, AW Reza, K Dimyati - Journal of Electromagnetic …, 2011‏ - Taylor & Francis
The potential implementation of personal communication systems inside buildings requires
a thorough understanding of signal propagation within buildings. As practical measurements …