A Dual Band Additively Manufactured 3D Antenna on Package with Near-Isotropic Radiation Pattern

Zhen Su, Kirill Klionovski, Rana Muhammad Bilal, Atif Shamim

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

Internet of things (IoT) applications need wireless connectivity on devices with very small footprints, and in RF obscure environments. The antenna for such applications must work on multiple GSM bands (preferred choice for network connectivity), provide near isotropic radiation pattern to maintain orientation insensitive communication, be small in size so that it can be integrated with futuristic miniaturized IoT devices, and be low in cost to be implemented on billions of devices. This paper presents a novel 3D dual band near-isotropic wideband GSM antenna to fulfill these requirements. The antenna has been realized on the package of electronics through additive manufacturing to ensure efficient utilization of available space and lower cost. The proposed antenna consists of a meander line antenna that is folded on the faces of a 3D package with two variations, 0.375λ length for narrowband version and 0.67λ length for the wideband version. Theoretical conditions to achieve near isotropic radiation pattern with bent wire antennas on a 3D surface have been derived. The antenna has been optimized to operate with embedded electronics and a large metallic battery. The antenna provides 8.9% and 34.4% bandwidths, at 900 and 1800 MHz respectively with decent near isotropic radiation behavior.
Original languageEnglish (US)
Pages (from-to)3295-3305
Number of pages11
JournalIEEE Transactions on Antennas and Propagation
Volume66
Issue number7
DOIs
StatePublished - Apr 6 2018

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