Vol. 103

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2021-07-22

Dual-Element Multiple-Input-Multiple-Output System for Sub-6 GHz (5G) and WLAN Applications with Enhanced Isolation

By Anupa Chatterjee, Manas Midya, Laxmi Prasad Mishra, and Monojit Mitra
Progress In Electromagnetics Research M, Vol. 103, 197-207, 2021
doi:10.2528/PIERM21051005

Abstract

A dual-band two port MIMO antenna with very high isolation is proposed for 5G/WLAN application. The overall size of the MIMO antenna is (18 × 44× 0.8) mm3. The unequal arm of the Inverted-F Antenna (IFA) is the reason for the dual bands. Bending and extending one of the arms with the staircase shape is responsible for the proposed dual-bands having resonant frequency at 3.45 GHz (3.3 GHz-3.65 GHz) and 5.1 GHz (4.8 GHz-5.5 GHz) respectively with percentage impedance bandwidth of 10% and 13.6% respectively. The proposed antenna uses a simple decoupling structure based on a wide inverted T-shaped slot to achieve good isolation (better than 18 dB and 34 dB respectively for the dual-bands) between the ports. The envelope correlation coefficient (ECC) and channel capacity loss (CCL) are within the acceptable limits.

Citation


Anupa Chatterjee, Manas Midya, Laxmi Prasad Mishra, and Monojit Mitra, "Dual-Element Multiple-Input-Multiple-Output System for Sub-6 GHz (5G) and WLAN Applications with Enhanced Isolation," Progress In Electromagnetics Research M, Vol. 103, 197-207, 2021.
doi:10.2528/PIERM21051005
http://www.jpier.org/PIERM/pier.php?paper=21051005

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