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Orthogonally Coupled Rectangular Patch Antenna for Wireless Smart Applications

This proposed article demonstrates the loading behaviour of PIN diode on orthogonally coupled rectangular patch antenna (OCRPA). The changes in behaviour of several parameters are seen due to the loading of PIN diodes, such as shifting of bands from higher to lower range of frequencies and polarization changes from circular to RHCP (right hand circular polarization). When both PIN diodes are in conduction mode triple band achieved at frequencies 6.84 GHz, 10.81GHz and 15.75 GHz with reflection coefficients -18.41 dB, -31.15 dB and - 15.11 dB respectively.