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Eight-Element Antenna Array with Improved Radiation Performances for 5G Hand-Portable Devices

Ullah, Atta; Ojaroudi Parchin, Naser; Amar, Ahmed S. I.; Abd-Alhameed, Raed A.


Atta Ullah

Ahmed S. I. Amar

Raed A. Abd-Alhameed


This study aims to introduce a new phased array design with improved radiation properties for future cellular networks. The procedure of the array design is simple and has been accomplished on a low-cost substrate material while offering several interesting features with high performance. Its schematic involves eight air-filled slot-loop metal-ring elements with a 1 × 8 linear arrangement at the top edge of the 5G smartphone mainboard. Considering the entire board area, the proposed antenna elements occupy an extremely small area. The antenna elements cover the range of 21–23.5 GHz sub-mm-wave 5G bands. Due to the air-filled function in the configurations of the elements, low-loss and high-performance radiation properties are observed. In addition, the fundamental characteristics of the introduced array are insensitive to various types of substrates. Moreover, its radiation properties have been compared with conventional arrays and better results have been observed. The proposed array appears with a simple design, a low complexity profile, and its attractive broad impedance bandwidth, end-fire radiation mode, wide beam steering, high radiation coverage, and stable characteristics meet the needs of 5G applications in future cellular communications. Additionally, the smartphone array design offers sufficient efficiency when it comes to the appearance and integration of the user’s components. Thus, it could be used in 5G hand-portable devices.

Journal Article Type Article
Acceptance Date Sep 15, 2022
Online Publication Date Sep 19, 2022
Publication Date 2022
Deposit Date Sep 28, 2022
Publicly Available Date Sep 28, 2022
Journal Electronics
Publisher MDPI
Peer Reviewed Peer Reviewed
Volume 11
Issue 18
Article Number 2962
Keywords 5G; beam steering; cellular networks; linear phased array; smartphone applications; substrate insensitive
Public URL


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