4/14/2022

Dual-polarized Slot Antenna For Millimeter Waves

Dual-polarized Slot Antenna For Millimeter Waves Average ratng: 3,6/5 8576 reviews

Fifth generation (5G) mobile networks utilize millimeter-waves (mm-waves) to achieve higher data rates. This paper presents a dual-polarized antenna array that operates at 28GHz (27.5-29.5GHz) and 38GHz (37-39GHz) bands and is usable in mobile handsets. The array is based on slot antennas with separate feeds for each polarization and band.

Dual-polarized Slot Antenna For Millimeter Waves Chart

  1. In this paper, a wideband dual‐polarized magneto‐electric (ME) dipole antenna with modified electric‐dipole structure is proposed based on the cost‐effective printed circuit board (PCB) technology fo.
  2. A new technique for designing wideband dual-polarized cavity-backed slot antennas is presented. The structure is in the form of a double-resonant, dual-polarized slot antenna backed by a shallow substrate integrated cavity with a depth of approximately one tenth the free space wavelength. The presence of the cavity behind the slot enhances the antenna's directivity and reduces the possibility.
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Electronic Theses and Dissertations, 2004-2019

Title

Author

Keywords

Wideband, Dual-Polarized, Differential, SIW, Cavity Backed, Slot, Antenna, Double-Resonant, Circular Polarization, Array

Abstract

A new technique for designing wideband dual-polarized cavity-backed slot antennas is presented. The structure is in the form of a double-resonant, dual-polarized slot antenna backed by a shallow substrate integrated cavity with a depth of approximately one tenth the free space wavelength. The presence of the cavity behind the slot enhances the antenna's directivity and reduces the possibility of surface wave propagation in the antenna substrate when the element is used in an array environment. Moreover, the dual-polarized nature of this radiating element may be exploited to synthesize any desired polarization (vertical, horizontal, RHCP, or LHCP). The double-resonant behavior observed in this substrate-integrated cavity-backed slot antenna (SICBSA) is utilized to enhance its bandwidth compared to a typical cavity-backed slot antenna. A prototype of the proposed antenna is fabricated and tested. Measurement results indicate that a bandwidth of 19%, an average gain of 5.3 dB, and a wideband differential isolation of 30 dB can be achieved using this technique. The principles of operation along with the measurement results of the fabricated prototype are presented and discussed in this dissertation. The SICBSA is investigated as a candidate for use as an array element. A uniform two element phased array is demonstrated to locate the main beam from boresight to thirty degrees. The potential effects of mutual coupling and surface wave propagation are considered and analyzed.

Notes

If this is your thesis or dissertation, and want to learn how to access it or for more information about readership statistics, contact us at STARS@ucf.edu

Graduation Date

2010

Advisor

Wahid, Parveen

Degree

Doctor of Philosophy (Ph.D.)

College

College of Engineering and Computer Science

Department

Electrical Engineering and Computer Science

Degree Program

Electrical Engineering

Format

application/pdf

Identifier

CFE0003066

URL

http://purl.fcla.edu/fcla/etd/CFE0003066

Language

English

Dual-polarized Slot Antenna For Millimeter Waves Wavelength

Release Date

May 2010

Length of Campus-only Access

None

Access Status

Doctoral Dissertation (Open Access)

STARS Citation

Paryani, Rajesh, 'Design Of A Wideband Dual-polarized Cavity Backed Slot Antenna' (2010). Electronic Theses and Dissertations, 2004-2019. 4226.
https://stars.library.ucf.edu/etd/4226

Included in

COinS

Authors:Raed A. Abd-Alhameed, Naser Ojaroudi Parchin, Haleh Jahanbakhsh Basherlou, Peter S. Excell

Abstract:

In this paper, a multiple-input/multiple-output (MIMO) antenna design with polarization and radiation pattern diversity is presented for future smartphones. The configuration of the design consists of four double-fed circular-ring antenna elements located at different edges of the printed circuit board (PCB) with an FR-4 substrate and overall dimension of 75×150 mm2. The antenna elements are fed by 50-Ohm microstrip-lines and provide polarization and radiation pattern diversity function due to the orthogonal placement of their feed lines. A good impedance bandwidth (S11 ≤ -10 dB) of 3.4-3.8 GHz has been obtained for the smartphone antenna array. However, for S11 ≤ -6 dB, this value is 3.25-3.95 GHz. More than 3 dB realized gain and 80% total efficiency are achieved for the single-element radiator. The presented design not only provides the required radiation coverage but also generates the polarization diversity characteristic.

Keywords:MIMO Systems, polarization diversity, cellular communications, mobile-phone antenna

Digital Object Identifier (DOI):doi.org/1

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References:


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Dual Polarized Slot Antenna

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Dual-polarized Slot Antenna For Millimeter Waves Wave

Wave

Dual-polarized Slot Antenna For Millimeter Waves Frequency

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