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2025-11-15
A Dual-Band Frequency-Dependent Beam Scanning Antenna System for RFID and WLAN Applications
By
Progress In Electromagnetics Research C, Vol. 161, 275-284, 2025
Abstract
This paper presents a single-layered dual-band microstrip patch antenna with periodic sinusoidal slots. The antenna operates within 860-930 MHz and 2400-2500 MHz. The first band encompasses both the European as well as North American UHF-RFID bands while the second band covers the 2.45 GHz Microwave-RFID/WLAN band. Moreover, the presence of the sinusoidal slots helps the antenna exhibit frequency-dependent beam scanning within the 2.45 GHz band. Four such antenna units are placed close to each other with different orientations to create a 2 × 2 antenna system. This system can detect UHF-RFID tags using both horizontal and vertical polarizations. It can also perform frequency-dependent beam scanning with horizontal polarization in the yz-plane and vertical polarization in the xz-plane. The beam maximum scans from -300 to 310 in the yz-plane and -320 to 290 in the xz-plane.
Citation
Anweya Das, Atrisha Biswas, Ahana Gupta, Soham Bhattacharya, and Sayan Sarkar, "A Dual-Band Frequency-Dependent Beam Scanning Antenna System for RFID and WLAN Applications," Progress In Electromagnetics Research C, Vol. 161, 275-284, 2025.
doi:10.2528/PIERC25091501
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