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2021-01-23
Four Element Square Patch MIMO Antenna for DSRC, WLAN, and X-Band Applications
By
Progress In Electromagnetics Research M, Vol. 100, 175-186, 2021
Abstract
A novel 4-element MIMO (multi-input multi-output) array antenna is proposed for DSRC, WLAN, and X-band applications. The proposed antenna is a microstrip antenna that consists of a simple square patch as radiating element with a defected ground structure (DGS). Dimensions of the proposed antenna are very compact with size 40 x 48 x 0.8 mm3. It operates from 5.6-6.1 GHz (DSRC/WLAN) and 8.7-10.8 GHz (X-band) with impedance bandwidths (S11 < = -10 dB) of 500 MHz and 2.1 GHz, respectively. The isolation between elements of MIMO is also greater than 25 dB in the operating bands. Antenna performance parameters are investigated at 5.9 GHz and 10.5 GHz center frequencies and computer-simulated, and experimentally measured characteristics are found to be satisfactory. A peak gain of 4.8 dB is achieved, and radiation efficiency is also greater than 75% in operating bands. ECC (Envelope Correlation Coefficient) is less than 0.05, and DG (Diversity Gain) is very close to 10. Group delay among the MIMO elements is below 2.7 ns, and CCL (Channel Capacity Loss) is also below 0.4 bits/sec/Hz. Therefore, the proposed 4-element MIMO antenna is suggestible for DSRC/WLAN and X-band applications.
Citation
Usha Devi Yalavarthi Ravi Teja Koosam Monica Naga Sai Durga Venna Bhargav Sai Thota , "Four Element Square Patch MIMO Antenna for DSRC, WLAN, and X-Band Applications," Progress In Electromagnetics Research M, Vol. 100, 175-186, 2021.
doi:10.2528/PIERM20103101
http://www.jpier.org/PIERM/pier.php?paper=20103101
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