Circular antenna array based on small cavity-backed slot antennas for wireless battlefield sensor applications

Paweł Cała; Piotr Słobodzian

doi:10.1117/12.2317641

19 April 2018 Circular antenna array based on small cavity-backed slot antennas for wireless battlefield sensor applications

Paweł Cała, Piotr Słobodzian

Author Affiliations +

Proceedings Volume 10715, 2017 Radioelectronic Systems Conference; 1071505 (2018) https://doi.org/10.1117/12.2317641
Event: Radioelectronics Systems Conference, 2017, Jachranka, Poland

Abstract

In this paper we describe a circular antenna array that consists of four small cavity-backed slot antennas (CBSA) integrated with a cylindrical case of wireless battlefield sensors operating in ISM 2.4 GHz band. The array antenna is dedicated to operate in a switched-beam mode, in which the active element is selected by means of a microwave switching network. We put our focus on simulated and measured parameters of CBSA elements that should provide sector coverage in the horizontal plane of a single quadrant of the battlefield. We show that the proposed cavity-backed slot antennas operates with low reflection coefficient (<17 dB) in frequency bandwidth of 150 MHz (6.2%). Moreover, the width of its horizontal radiation pattern is ca. 76°, which is sufficient for coverage of a single quadrant of the battlefield in order to provide reliable wireless communication.

Citation Download Citation

Paweł Cała and Piotr Słobodzian "Circular antenna array based on small cavity-backed slot antennas for wireless battlefield sensor applications", Proc. SPIE 10715, 2017 Radioelectronic Systems Conference, 1071505 (19 April 2018); https://doi.org/10.1117/12.2317641

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