Diseño de un arreglo de antenas Log-Periódicas para la banda de onda milimétrica

Abstract

This article details the design, simulation and comparison between a 2x1, 3x1 linear log-periodic antenna array (LPDA) and a 2x2 matrix array, operating in the millimeter wave (mmW) band at a resonance frequency of 60 GHz. In order to improve its characteristics, the different arrangements are modeled, which consist of identical antennas, oriented in an equidistant symmetric way. These models are derived from the basic scheme that is implemented through the execution of the basic principles of the structure of a log-periodic antenna and the experimentation of its different insulating and conducting materials. The arrays are simulated through ANSYS HFSS software. Consequently, a comparative analysis was carried out where the impact presented by one against the other was verified, in which it was determined that increasing the number of linear and matrix antennas produces an increase in gain, for this reason, obtains highly directive radiation patterns, where the most outstanding in terms of its dispersion parameters has a frequency of 60 GHz, reflection coefficient (S11) equal to -23.79 dB, VSWR= 1.12 and a directive radiation pattern with maximum gain of 10.51 dB.