Design of Dual-Polarization Antenna with High Cross-Polarization Discrimination

Sang-Ho Lee; Taeck-Keun Oh; Jung-Je Ha; Yong-Shik Lee

Design of Dual-Polarization Antenna with High Cross-Polarization Discrimination

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Type: Academic journal

Author: Sang-Ho Lee (연세대학교) Taeck-Keun Oh (LIG넥스LIG넥스) Jung-Je Ha (연세대학교) Yong-Shik Lee (연세대학교)

Journal: Korea Information Electron Communication Technology Journal of Korea Institute of Information, Electronics, and Communication Technology Vol.10 No.3 KCI Accredited Journals

Published: 2017.6

Pages: 199 - 205 (7page)

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Design of Dual-Polarization Antenna with High Cross-Polarization Discrimination

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In a small cell base station used in densely populated areas , a dual polarized multiple antenna(MIMO) is mainly used to increase the cell capacity. This paper demonstrates a dual-polarization antenna with high cross-polarization discrimination(XPD) that can improve the capacity of a small cell using a dual polarization multiple antenna (MIMO). By using the symmetric structure and differential feeding, high XPD in all directions is achieved. In addition, a very similar radiation pattern is observed between each polarization. Because of high XPD and similar radiation pattern in all directions, proposed antenna is well adopted for small-cell multiple-input multiple-output(MIMO) system. Experimental results shows that the proposed antenna has a bandwidth of 180 MHz (2.51 ∼ 2.7 GHz), a maximum gain of 4.5 dBi (3.5 ∼ 4.5 dBi), and a half-power beam width of 85 degrees. In addition, average XPD of 26.4 dB in all directions, more than 13.8 dB increase than previous dual-polarization antennas which use single emitter by using different feeding or selectively use polarization through switching.

#Cross-polarization discrimination(XPD) #dual-polarization #multiple-input–multiple-output(MIMO) #polarization #isolation #slot antenna #indoor cell

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[학술지(정기간행물)] - Yue Li / 2011 / Channel Capacity Study of Polarization Reconfigurable Slot Antenna for Indoor MIMO System / Microwav Opt Technol lett 53 : 1209 ~ 1231

[학술지(정기간행물)] - J. Hoydis / 2011 / Green small-cell networks / IEEE Trans. Veh. Technol 6 (1) : 37 ~ 43

[학술지(정기간행물)] - O. Stanze / 2013 / Heterogeneous networks with LTE-Advanced technologies / Bell Labs Tech. J 18 (1) : 41 ~ 58

[학술지(정기간행물)] - D. H. Lee / 2007 / Dual-frequency dualpolarization antenna of high isolation with embedded mushroom-like EBG cells / Microw. Opt. Technol. Lett 49 (7) : 1764 ~ 1768

[학술지(정기간행물)] - G. Adamiuk / 2009 / Dual-orthogonal polarized antenna for UWB-IR technology / IEEE Antennas Wireless Propag. Lett 8 : 981 ~ 984

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Fields Engineering > Electrical and Electronic Engineering > Electronics Engineering Engineering > Electrical and Electronic Engineering > Information and Communication Engineering

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Fields Engineering > Electrical and Electronic Engineering > Information and Communication Engineering Engineering > Electrical and Electronic Engineering > Electronics Engineering

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