Abstract
This paper presents the design of 2*1 and 4*1 RFID reader microstrip array antenna at 2.4GHz for the Internet of things (IoT) networks which are Zigbee, Bluetooth and WIFI. The proposed antenna is composed of identical circular shapes radiating patches printed in FR4 substrate. The dielectric constant εr and substrate thickness h are 4.4 and 1.6mm, respectively. The 2*1 and 4*1 array antennas present a gain improvement of 27.3% and 61.9%, respectively. The single,2*1 and 4*1 array antennas were performed with CADFEKO.
Highlights
Over the past few years, the internet of things (IoT) is a paradigm that uses information and communication technologies to make the interconnection of all objects in various domains such as healthcare, urban infrastructure, transportation, and energy
This paper presents the design of 2*1 and 4*1 radio-frequency identification (RFID) reader microstrip array antenna at 2.4GHz for the internet of things (IoT) networks which are Zigbee, Bluetooth, and WIFI
The aim of this work is to design a circular2*1 and 4*1 array antennas for RFID reader which operates at 2.4GHz, which will be used for IoT applications
Summary
Over the past few years, the IoT is a paradigm that uses information and communication technologies to make the interconnection of all objects in various domains such as healthcare, urban infrastructure, transportation, and energy. The IoT makes a large contribution in developing smart cities, most smart city applications use IoT devices equipped with sensors, actuators, and a limited computing capability (Fahmy et al, 2019; Khardioui et al, 2020; Varum et al, 2018). To monitor physical objects while they are steady or on the move in smart city application, the Internet of Things employs various technologies to create a communication network between all this object such as radio-frequency identification (RFID) and near-field communication (NFC) (Khardioui et al, 2020). The RFID is a smart technology that uses radio waves to monitor, identify, and follow objects. The RFID system contains a reader and a tag, which communicate between them by the air. The RFID system depends on its performances such as gain and bandwidth(A.El Alami et al, 2019; Ali El Alami et al, 2005; Chen & Qing, 2010; Ikram et al, 2017; Ouazzani et al, 2017)
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