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A Square-Slotted Dual-Bandwidth Rectangular-Patterned Antenna for IoT Applications

A Square-Slotted Dual-Bandwidth Rectangular-Patterned Antenna for IoT Applications

Syed Ateequr Rehman (Dayananda Sagar Academy of Technology and Management, India), N. V. Uma Reddy (New Horizon College of Engineering, India), and Mrudula N. Naik (Dayananda Sagar Academy of Technology and Management, India)
Copyright: © 2022 |Pages: 22
DOI: 10.4018/978-1-7998-9315-8.ch002
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Abstract

This chapter presents a unique design for rectangular patch antenna considering 5GHz as frequency for IoT applications. In the booming world of technology, IoT has set a significant benchmark by its enormous applications in almost all the fields. So here we come up with this unique design of antenna which can be used for IoT applications. As an initial step, a simple normal rectangular antenna is configured for a frequency ranging from 3GHz to 8GHz, and then considering the 5GHz to be appropriate for IoT application, a conventional rectangular patch antenna was designed. This conventional patch antenna operates at dual frequencies 4.97GHz and 7.53GHz. In later stages of designing, square slots are made on the either side of the feedline to obtain better antenna parameters. This chapter presents a detailed study on conventional and slotted antenna and a brief discussion regarding the comparison of the antenna parameters of conventional antenna with the slotted antenna.
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Introduction To Patch Antenna

A ground surface, dielectric substrate, microstrip patch alongside feedline in a confined manner sets up a patch antenna. Radiation is mainly from the conducting patch and these patches can be designed in any shapes. (Constantine, 1997) The radiating patch which is used may be of different shapes which includes square, rectangle, circular, tri-angular, thin strip or elliptical. Since the analysis and fabrication can be done very easily in square, rectangular, circular and dipole patch, they are the most commonly used ones. These have a low cross polarization radiation. Materials like copper and gold can be used. Because of its highly reactive nature and economical, copper is chosen in almost all the industrial use and thus in antennas too. Best chosen dielectric substrate is with a relative permeability of 4.3 which are useful for fabrication and antenna performance. Materials like nylon, FR-4, Foam, Duroid can be employed as dielectric.

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