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Design of an SHF RFID Reader Antenna for Access Control and Security Systems

Abstract

This paper presents the design of a Radio Frequency IDentification antenna (RFID Antenna) in Super-High-Frequency band (SHF Band) radiated at the resonant frequency of 2.45 GHz, simulated with CST Studio electromagnetic simulation software. The patch antenna is a perfect electrical conductor, excited by a coaxial cable with a 50 Ohms impedance. The antenna is designed as a rectangular patch with a U-shaped slot of 35.5 × 26 mm² placed on a Rogers RO4350B substrate, dimension 71 × 47 mm². The antenna has a perfect adaptation and covers a frequency band of 2393.0-2569.5 MHz with a bandwidth of 176.5 MHz. Therefore, this bandwidth is sufficient for industrial applications that use wireless sensor networks for monitoring parameters like: temperature, humidity, and pressure.

Research topics

  • RFID technology advancements

Sustainable Development Goals

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DOI: 10.1109/ic_aset61847.2024.10596171

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