An Additively Manufactured 3D Antenna-in-Package with Quasi-Isotropic Radiation for Marine Animals Monitoring System

Hanguang Liao, Qingle Zhang, Muhammad Akram Karimi, Yen Hung Kuo, Nidhi Mishra, Atif Shamim

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

A low-cost and additively manufactured 3D Antenna-in-Package (AiP) with quasi-isotropic radiation is proposed for a marine animals monitoring system. The antenna is based on a meandered dipole folded as a split ring resonator (SRR) structure, which can generate simultaneously a pair of orthogonal electric and magnetic dipoles, thus providing a quasi-isotropic radiation pattern. The antenna (integrated with a balun) has been inkjet-printed on a 3D-printed buoyant cone structure, which acts also as the system package to house the electronics and the battery. The antenna designed at 2.4 GHz is electrically small, with a ka = 0.49, and has a bandwidth of 70 MHz (2.9%). The measured gain deviation of the antenna (maximum to minimum) is near 3 dB in bandwidth, thus qualifying it as a quasi-isotropic antenna. Field tests of the antenna in the active state (integrated with the electronics) confirm a reliable communication range of 240 m in any direction in the azimuthal plane.
Original languageEnglish (US)
Pages (from-to)2384-2388
Number of pages5
JournalIEEE Antennas and Wireless Propagation Letters
Volume18
Issue number11
DOIs
StatePublished - Aug 26 2019

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