hyusha, D Ram Sandeep, M C Rao, S. S. H. K. T. P. M. B. N. R. U. M. R. P. Design and Analysis of Circularly Polarized MIMO Antenna With Defective Ground Structure for Maritime Radio Navigation, Wi-MAX and Fixed Satellite Communication Applications. IJAST 2020, 29, 1995 - 2010.