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A multiband antenna design comprising the future 5G mobile technology

Araujo Humberto Xavier, Freitas Antônio Evangelista, Prata David Nadler, Casella Ivan Roberto Santana, Capovilla Carlos Eduardo

Przegląd Elektrotechniczny

2019

R. 95, nr 2

108--111

The pervasiveness of mobile internet, in conjunction to the ubiquitous computing of the internet-of-things has claimed the concept of 5G technology research to allow massive growth of machine communications. One of the main challenges is the scalability problem, which implies issues like small mobile device antennas to fit in the limited amount of space for the smartphone’s design, followed by radiation control and low cost. The purpose of this paper is to develop an antenna, which meets the next generation of the mobile technology 5G as well as other resources available and desired in a smartphone (GPS – 1575 MHz, WLAN – 2.4 GHz, 3G – 2.1 GHz, Brazilian 4G – 2.6 GHz e GSM – 900 – 1800 – 1900 – 2100 MHz). The design adopted only one ultra-wideband microstrip antenna that resonates in the frequencies of these technologies. This kind of antenna is thin, has low cost and good radiation control. Besides, this is the most popular type of antenna in mobile devices; the radiant elements use the manufacturing process of printed circuits. It is built in a plate composed by a conductor (the radiant element of the antenna), a substrate, and by another conductor, which is the ground plate. The principal feature of an ultra-wideband antenna is the usage of 1.5 GHz bandwidth or more. The prototype was manufactured and the simulation results for each type of technology resources are compared.

Celem artykułu jest opracowanie mikropaskowej anteny obsługującej technologię 5G. Koszt anteny jest minimal;izowany przez wykorzystanie techniki obwodów drukowanych. Szerokopasmowa antena wykorzystuje pasmo 1.5 GHz oraz inne większe pasma. Testy każdej z anten potwierdziły jej założone parametry.