MIMO Antenna System with Self Isolation Characteristics for GSM and sub-6 GHz 5G Applications

A compact dual-element multiple input multiple output (MIMO) antenna with self isolation characteristics exhibiting dual band characteristics covering GSM-900 (0.88–1.08 GHz) and sub 6 GHz band for 5G (3.11–4.63 GHz) has been proposed. In the proposed design, two semicircular slots have been cut fro...

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Bibliographic Details
Published inWireless personal communications Vol. 120; no. 2; pp. 989 - 1002
Main Authors Kaur, Navneet, Kaur, Jaswinder, Sharma, Surbhi
Format Journal Article
LanguageEnglish
Published New York Springer US 01.09.2021
Springer Nature B.V
Subjects
Antennas
Communications Engineering
Computer Communication Networks
Correlation coefficients
Decoupling
Engineering
Ground plane
Networks
Signal,Image and Speech Processing
GSM
5G
Self isolated
MIMO antenna
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Summary:A compact dual-element multiple input multiple output (MIMO) antenna with self isolation characteristics exhibiting dual band characteristics covering GSM-900 (0.88–1.08 GHz) and sub 6 GHz band for 5G (3.11–4.63 GHz) has been proposed. In the proposed design, two semicircular slots have been cut from the radiating part to attain the wide spectrum for 5G. Further, a rectangular open ended slot have been cut from the middle of the partial ground plane to obtain the two bands without rising the overall dimensions of antenna. The whole dimensions of the suggested MIMO antenna is 48 × 27 × 1.6 mm 3 . It gives a high isolation (19 dB) and broad bandwidth (1.52 GHz) for 5G applications simultaneously without employing external decoupling structures. Further, MIMO performance has been analyzed by particular diversity parameters such as envelope correlation coefficient, diversity gain and mean effective gain. For the validation of results, the suggested antenna is fabricated and experimentally tested.
ISSN:0929-6212
1572-834X
DOI:10.1007/s11277-021-08500-5