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Planar Sub-Millimeter-Wave Array Antenna with Enhanced Gain and Reduced Sidelobes for 5G Broadcast Applications

Mao, Chunxu, Khalily, Mohsen, Xiao, Pei, Brown, Tim and Gao, Steven (2019) Planar Sub-Millimeter-Wave Array Antenna with Enhanced Gain and Reduced Sidelobes for 5G Broadcast Applications IEEE Transactions on Antennas and Propagation, 67 (1). pp. 160-168.

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Abstract

In this paper, a compact, broadband, planar array antenna with omnidirectional radiation in horizontal plane is proposed for the 26 GHz fifth-generation (5G) broadcast applications. The antenna element is composed of two dipoles and a substrate integrated cavity (SIC) as the power splitter. The two dipoles are placed side-by-side at both sides of the SIC and they are compensated with each other to form an omni-directional pattern in horizontal plane. By properly combing the resonant frequencies of the dipoles and the SIC, a wide impedance bandwidth from 24 to 29.5 GHz is achieved. To realize a large array while reducing the complexity, loss and size of the feeding network, a novel dual-port structure combined with radiation and power splitting functions is proposed for the 1st time. The amplitude and phase on each element of the array can be tuned, and therefore, the grating lobes level can be significantly reduced. Based on the dual-port structure, an 8-element array with an enhanced gain of over 12 dBi is designed and prototyped. The proposed antenna also features low profile, low weight and low cost, which is desirable for 5G commercial applications. Measured results agree well with the simulations, showing that the proposed high-gain array antenna has a broad bandwidth, omni-directional pattern in horizontal plane, and low side-lobes.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
NameEmailORCID
Mao, Chunxuc.mao@surrey.ac.uk
Khalily, Mohsenm.khalily@surrey.ac.uk
Xiao, PeiP.Xiao@surrey.ac.uk
Brown, TimT.Brown@surrey.ac.uk
Gao, Steven
Date : 1 January 2019
DOI : 10.1109/TAP.2018.2874796
Copyright Disclaimer : © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Uncontrolled Keywords : Antenna, Array, broadband, broadcast, millimeter-wave (mm-Wave), omni-directional, fifth-generation (5G).
Depositing User : Melanie Hughes
Date Deposited : 03 Oct 2018 10:33
Last Modified : 13 Jun 2019 13:22
URI: http://epubs.surrey.ac.uk/id/eprint/849515

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