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A Planar Dual-Polarized Phased Array With Broad Bandwidth and Quasi-Endfire Radiation for 5G Mobile Handsets

Parchin, Naser Ojaroudi; Zhang, Jin; Abd-Alhameed, Raed A.; Pedersen, Gert Frolund; Zhang, Shuai

Authors

Jin Zhang

Raed A. Abd-Alhameed

Gert Frolund Pedersen

Shuai Zhang



Abstract

A planar dual-polarized phased array is proposed for 5G cellular communications. The array has the properties of dual-polarization, wideband, and quasi-endfire radiation, which is printed on one side of a single-layer substrate. The design contains two eight-element subarrays including horizontally polarized endfire dipole antennas and vertically polarized endfire periodic slot antennas, employed on the PCB ground plane of the 5G mobile platform. Both subarrays provide wide bandwidth to cover 28 and 38 GHz (promising 5G candidate bands). The −10 dB impedance bandwidth of the proposed CPW-fed dipole and slot antennas are 26.5–39.5 GHz and 27.1–45.5 GHz, respectively. Moreover, for −6-dB impedance bandwidth, these values could be more than 20 GHz (24.4–46.4 GHz for the dipole antenna) and 70 GHz (22.3–95 GHz for the slot antenna). The fundamental characteristics of the proposed dual-polarized 5G antenna array in terms of the impedance bandwidth, realized gain, polarization, radiation pattern, and beam steering are investigated and good results are obtained. The clearance of the proposed dual-polarized 5G antenna array is less than 4.5 mm which is sufficient for cellular applications.

Journal Article Type Article
Acceptance Date Feb 16, 2021
Online Publication Date Apr 5, 2021
Publication Date 2021-10
Deposit Date Feb 21, 2022
Journal IEEE Transactions on Antennas and Propagation
Print ISSN 0018-926X
Electronic ISSN 1558-2221
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 69
Issue 10
Pages 6410-6419
DOI https://doi.org/10.1109/tap.2021.3069501
Keywords 5G, broadband communications, dual-polarization, endfire antenna, handset antenna
Public URL http://researchrepository.napier.ac.uk/Output/2840158