A Compact Triband Quad-Element MIMO Antenna Using SRR Ring for High Isolation

A compact multiband four port diversity-based antenna with high isolation between elements is proposed for multiple-input-multiple-output applications. The antenna resonates at following three bands: 1.95-2.5 GHz (covering UMTS, LTE 2300, and 2.4-GHz ISM bands), 3.15-3.85 GHz (covering WiMAX band),...

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Published in:IEEE antennas and wireless propagation letters 2017, Vol.16, p.1409-1412
Main Authors: Ramachandran, Anitha, Mathew, Sumitha, Rajan, Vivek, Kesavath, Vasudevan
Format: Article
Language:English
Subjects:
Antenna measurements
Bandwidth
Correlation coefficients
Couplings
Diversity performance
envelope correlation
Gain
isolation
Loaded antennas
meander-line antenna
MIMO
multiple-input–multiple-output (MIMO)
polarization diversity
Resonators
split-ring resonator (SRR)
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cited_by cdi_FETCH-LOGICAL-c341t-ed039cbb9785e5e08693805bbf6e9e7717ba1e671ec08f2b974254d0e7426fd43
cites cdi_FETCH-LOGICAL-c341t-ed039cbb9785e5e08693805bbf6e9e7717ba1e671ec08f2b974254d0e7426fd43
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container_start_page 1409
container_title IEEE antennas and wireless propagation letters
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creator Ramachandran, Anitha
Mathew, Sumitha
Rajan, Vivek
Kesavath, Vasudevan
description A compact multiband four port diversity-based antenna with high isolation between elements is proposed for multiple-input-multiple-output applications. The antenna resonates at following three bands: 1.95-2.5 GHz (covering UMTS, LTE 2300, and 2.4-GHz ISM bands), 3.15-3.85 GHz (covering WiMAX band), and 4.95-6.6 GHz (covering 5.2/5.8-GHz ISM bands). The stub-loaded meander-line antenna is loaded with split-ring resonators arranged in the form of a ring to enhance isolation by 17 dB at 2.4 GHz. All four elements radiate with equal efficiency with measured peak gains of 2.5, 3.7, and 4.4 dBi, respectively, in three bands and have a very low envelope correlation coefficient between elements. The overall size of the compact multiport antenna system is 0.26λ × 0.26λ × 0.01λ with a minimum isolation of 22 dB between its elements. The antenna elements and the isolation enhancement structure are fully planar for an easier integration.
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source IEEE Electronic Library (IEL) Journals
subjects Antenna measurements
Bandwidth
Correlation coefficients
Couplings
Diversity performance
envelope correlation
Gain
isolation
Loaded antennas
meander-line antenna
MIMO
multiple-input–multiple-output (MIMO)
polarization diversity
Resonators
split-ring resonator (SRR)
title A Compact Triband Quad-Element MIMO Antenna Using SRR Ring for High Isolation
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