NDLI: Dual-polarised antenna using unbalanced power dividers for small-cell base stations

Content Provider	IET Digital Library
Author	Choi, S. H. Choi, J. H.
Abstract	A compact, dual-polarised multiple-input and multiple-output antenna for small-cell base stations is proposed. This antenna is operating at long-term evolution (LTE) band-5 and consists of two stacking substrates and cavity-backed structures. To produce dual polarisation, two edges of the feeding patch on the lower substrate are individually fed by unbalanced power dividers with a phase difference of 90°. These unbalanced power dividers improve the isolation characteristic of this antenna. Measured results show that the proposed antenna has a port isolation higher than 30 dB over the operating range of 820–900 MHz. Furthermore, a high front-to-back ratio of 13.5 dB is obtained in spite of the compact size because there are no slots on the ground plane.
Starting Page	419
Ending Page	421
Page Count	3
ISSN	00135194
Volume Number	52
e-ISSN	1350911X
Issue Number	Issue 6, Mar (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/52/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2015.4403
Journal	Electronics Letters
Publisher Date	2016-02-19
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Antenna Accessory Antenna Array Antenna Feeds Antenna Isolation Characteristic Antenna Radiation Pattern Cavity-backed Structures Cellular Radio Compact Dual-polarised Multiple-input-multiple-output Antenna Feeding Patch Frequency 820 MHz to 900 MHz Front-to-back Ratio Ground Plane Long Term Evolution LTE Band-5 MIMO Communication Mobile Antenna Mobile Radio System Port Isolation Power Divider Small-cell Base Stations Stacking Substrates UHF Antenna Unbalanced Power Divider Waveguide And Microwave Transmission Line Component
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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