The human head and hand being in the near-field zone of a mobile phone antenna can
drastically influence the antenna matching with free space. The goal of the presented …

A design of frequency reconfigurable PIFA antenna is presented in this paper. The antenna
consists of halves of three concentric rectangular patches. Five RF PIN diodes are inserted …

This paper deals with the user hand influence on impedance matching and radiation pattern
of a planar inverted-F antenna (PIFA). In the text, the PIFA structure is discussed in order to …

In this thesis, automatic impedance matching circuits are designed by using several tuning
approaches. A typical automatic impedance matching system compensates for the …

In this work, the impact of human heart on an 800 MHz inset fed rectangular microstrip patch
antenna characteristics were investigated using CST Microwave Studio. The antenna was …

Small cell networks (SCN) have emerged as a viable solution for improving the spectral
efficiency in order to satisfy the growing demand for high data rate mobile network. SCNs …

Both the antenna miniaturization and bandwidth account for recent trends in designing
modern antennas. This research is about the design of an ultra-wideband (UWB) planar …

Las antenas en los terminales de comunicaciones móviles, debido a la movilidad, tienen un
comportamiento dinámico que puede diferir mucho de las prestaciones obtenidas en …

El objetivo de este proyecto es el análisis de la variación dinámica de impedancia para
antenas integradas en dispositivos móviles, para sistemas LTE y que permita simplificar en …

The main emphasis of this licentiate thesis is in investigating and developing novel mobile
terminal antennas having optimal performance in different operating environments. The …