Analysis and design of circularly polarized capacitively-fed planar suspended antenna for universal UHF RFID applications

• Autorzy: Boonying Komkris , Phongcharoenpanich Chuwong

Identyfikatory

DOI

10.15199/48.2020.01.23

Warianty tytułu

PL

Projekt i analiza planarnej anteny cyrkularnie polaryzowanej do zastosowań w UHF RFID transmisji danych

• Języki publikacji: EN

Abstrakty

EN

This research paper deals with the design of a circularly polarized reader antenna with a tennis ball-shaped radiating plate that operates at a frequency range of 860-960 MHz with the center frequency of 910 MHz. In the fabrication of the tennis ball-shaped radiating plate, a small annularring slot was first created on a circular radiating plate, followed by two diagonally opposite large arc-shaped annular-ring slots on either edge of the circular radiating plate and then the truncation of the corners of the remaining main element of the plate. A prototype antenna with the final tennis ball-shaped plate was subsequently assembled prior to excitation by the capacitively coupled feed technique to enhance |S11| bandwidth. The prototype antenna could achieve an average gain of 6.18 dBic, |S11| covering the frequency range of 837.6-966.2 MHz, and the circular polarization of 850.6-963.5 MHz, making it suitable for universal UHF RFID applications. In addition, simulations were carried out using CST Microwave Studio for comparison with the experimental results.

PL

W artykule zaprezentowano projekt anteny o kształcie piłki tenisowej pracujacej w zakresie częstotliwopści 860 – 960 MHz. Prototyp anteny pokrywał zakrs 837.6 – 966.2 MHz co spełnia wymagania uniwersalnej komunikacji UHF RFID.

Słowa kluczowe

EN

capacitively coupled feed; circular polarization; suspended structure; truncation corners; UHF RFID

PL

antena RFID; antena cyrkularnie polaryzowana; antena planarna

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2020
• Tom: R. 96, nr 1
• Strony: 100--107
• Opis fizyczny: Bibliogr. 33 poz., rys., tab.

Twórcy

autor

Boonying Komkris

• Department of Telecommunication Engineering, Faculty of Engineering, Rajamangala University of Technology Rattanakosin, Phutthamonthon, Nakhon Pathom, 73170, Thailand

autor

Phongcharoenpanich Chuwong

• Department of Telecommunication Engineering, Faculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang, BangKok, 10250, Thailand

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).