NDLI: New design of a linear double-sided printed dipole array based on bat algorithm for interference suppression in the first sidelobe direction

Content Provider	IET Digital Library
Author	Truong, Luong Xuan Giang, Truong Vu Bang Tuan, Tran Minh
Abstract	This study proposes a design of a double-sided printed dipole (DSPD) antenna array with a low first sidelobe level (FSLL) for interference suppression. The proposed array consists of ten DSPD antennas based on the Rogers RO4003C substrate (ɛr = 3.55). The FSLL has been compressed by imposing a single null at the centre of the first sidelobe. The excitation power distribution of the array has been calculated by using the bat algorithm with the amplitude-only control technique and has been implemented by a series-fed network. A back reflector, which is based on an FR4 substrate (ɛr = 4.4), has been used to improve the maximum gain. The simulation results show that the FSLL can be reduced with a null deep level (NDL) of −40 dB in the E-plane at the frequency of 3.5 GHz, while the maximum gain of the array is around 17.7 dBi, and the bandwidth is 600 MHz (3.3–3.9 GHz) with −10 dB of S 11. A prototype of the proposed DSPD antenna array has been fabricated and measured. A good agreement can be achieved between simulation and measurement results.
Starting Page	1371
Ending Page	1376
Page Count	6
ISSN	17518725
Volume Number	14
e-ISSN	17518733
Issue Number	Issue 12, Oct (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/14/12
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2019.1065
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2020-06-18
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Amplitude-only Control Technique Antenna Accessory Antenna Array Antenna Feeds Antenna Radiation Pattern Back Reflector Bandwidth 600.0 MHz Bat Algorithm Dipole Antenna Array Double-sided Printed Dipole Antenna Array DSPD Antenna Array E-plane Electromagnetic Compatibility Excitation Power Distribution FR4 Substrate Frequency 3.3 GHz to 3.9 GHz FSLL Interference Interference Suppression Linear Double-sided Printed Dipole Array Microstrip Antenna Array Null Deep Level Reflector Antenna Rogers RO4003C Series-fed Network Sidelobe Direction Single Null
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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