Compact four-element SRR-loaded dual-band MIMO antenna for WLAN/WiMAX/WiFi/4G-LTE and 5G applications

A four-element dual-band MIMO configuration consisting of split-ring resonator (SRR)-loaded inverted L-monopole antenna elements is realised. In the proposed antenna, the lower-frequency mode of the unloaded MIMO configuration merges with one SRR-induced antenna resonance. This leads to antenna oper...

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Veröffentlicht in:Electronics letters Jg. 53; H. 25; S. 1623 - 1624
Hauptverfasser: Sarkar, D, Srivastava, K.V
Format: Journal Article
Sprache:Englisch
Veröffentlicht: The Institution of Engineering and Technology 07.12.2017
Schlagworte:
4G applications
4G mobile communication
5G applications
5G mobile communication
antenna radiation patterns
Antennas and propagation
channel capacity
channel capacity loss
compact four‐element SRR‐loaded dual‐band MIMO antenna
directional radiation patterns
envelope‐correlation coefficient
fourth generation applications
interconnected ground plane
Long Term Evolution
LTE applications
MIMO communication
MIMO performance metrics
monopole antennas
multifrequency antennas
split‐ring resonator‐loaded inverted L‐monopole antenna elements
S‐parameters
total active reflection coefficient
WiMax
WiMax applications
wireless LAN
Wi‐Fi applications
WLAN applications
4G applications
channel capacity loss
channel capacity
WiMax applications
S-parameters
WLAN applications
total active reflection coefficient
interconnected ground plane
antenna radiation patterns
compact four-element SRR-loaded dual-band MIMO antenna
MIMO performance metrics
split-ring resonator-loaded inverted L-monopole antenna elements
Long Term Evolution
MIMO communication
monopole antennas
fourth generation applications
5G mobile communication
WiMax
directional radiation patterns
envelope-correlation coefficient
4G mobile communication
LTE applications
multifrequency antennas
wireless LAN
5G applications
Wi-Fi applications
ISSN:0013-5194, 1350-911X, 1350-911X
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Beschreibung
Zusammenfassung:A four-element dual-band MIMO configuration consisting of split-ring resonator (SRR)-loaded inverted L-monopole antenna elements is realised. In the proposed antenna, the lower-frequency mode of the unloaded MIMO configuration merges with one SRR-induced antenna resonance. This leads to antenna operation around 2.93 GHz with wide impedance bandwidth (IBW) of 35.21%, encompassing the lower WLAN, worldwide interoperability for microwave access, wireless fidelity, fourth generation (4G)-long-term evolution and sub-6 GHz 5G bands. Furthermore, due to SRR loading, the proposed MIMO antenna exhibits a resonance at 5.68 GHz (IBW 6.86%), covering the upper WLAN band. Minimum inter-element isolation of 14 dB is achieved, in spite of the compact total area ($0.103\lambda _0^2 $0.103λ02, λ0 = highest operating wavelength) and the presence of inter-connected ground plane. Both the working bands exhibit directional radiation patterns with average gain $ \approx 4\, {\rm dBi}$≈4dBi. Experiments on the fabricated antenna prototype confirm that the simulated and measured S-parameters, radiation patterns (envelope-correlation coefficient, channel capacity loss and total active reflection coefficient) are in good agreement.
ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2017.2825