Czasopismo | PRZEGLĄD ELEKTROTECHNICZNY | Rocznik 2023 - zeszyt 8

Flexible circle antenna for 5G system operating in 3.6 GHz band

Elastyczna antena kołowa do systemu 5G pracującego w paśmie 3,6 GHz

10.15199/48.2023.08.47

nr katalogowy: 144454
10.15199/48.2023.08.47

Streszczenie

Systemy radiokomunikacyjne zostały skierowane w stronę technologii piątej generacji (5G) ze względu na wymagania systemów zwartych, szybkich i szerokopasmowych. Tego typu systemy komunikacji radiowej wymagają nowych i bardziej wydajnych konstrukcji anten. W artykule przedstawiono proces projektowania anteny pracującej w systemie 5G. Proponowana antena ma środkową częstotliwość roboczą 4,085 GHz oraz dwie częstotliwości rezonansowe 3,6 GHz i 4,6 GHz. Wymiary anteny oraz jej parametry zostały obliczone, zasymulowane i zoptymalizowane za pomocą oprogramowania FEKO. Proponowana antena ma zwartą konstrukcję o wymiarach (50 mm x 56 mm x 1 mm). Jako podłoże do konstrukcji anteny użyto tkaniny dżinsowej o współczynniku dielektrycznym 1,76 i grubości h = 1,0 mm. W artykule przedstawiono analizę wyników symulacji i pomiarów parametrów elektrycznych i charakterystyk promieniowania proponowanej anteny płaskiej dla przypadku anteny umieszczonej w wolnej przestrzeni. Opisana w artykule antena planarna na podłożu typu jeans, pracująca w systemach 5G z częstotliwością środkową 4,085 GHz, niskim współczynnikiem odbicia -29,31 dB, zyskiem energetycznym 1,68 dBi oraz szerokim pasmem roboczym 2,23 GHz (54,58 %).

Abstract

Radiocommunication systems have been directed towards the fifth generation (5G) technology due to the requirements of compact, fast and broadband systems. These types of radio communication systems require new and more efficient antenna designs. The paper presents the process of designing a wearable flexible antenna working in the 5G system. The proposed antenna has a center operating frequency of 4.085 GHz and two resonates frequency 3.6 GHz and 4.6 GHz. The dimensions of the antenna and its parameters were calculated, simulated and optimized using the FEKO software. The proposed antenna has a compact structure with dimensions (50 mm x 56 mm x 1 mm). A jeans fabric with a dielectric index of 1.76 and a thickness of h = 1.0 mm was used as a substrate for the antenna construction. The paper presents an analysis of the results of simulation and measurement of electrical parameters and radiation patterns of the proposed planar antenna for the case of an antenna placed in a free space. The planar antenna on jeans substrate described in the article, working in 5G systems with a center frequency of 4.085 GHz, a low reflectance of -29.31 dB, an energy gain of 1.68 dBi and a wide operating band of 2.23 GHz (54.58 %).

Słowa kluczowe

Keywords

Bibliografia

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