![]() The different geometries of the DR were explored for the implementation of MIMO DRA with wideband response like mushroom-shaped ], A-shaped ], rectangular ], cylindrical ] and tree-shaped ]. Considering the benefits and requirements of multi-port transmitter–receiver systems, a number of multi-input–multi-output (MIMO) antennas were developed – ]. The limited availability of these factors enforces the use of multiple antennas in the communication systems ]. Mainly, the data transfer rate depends upon the two important factors like channel bandwidth and input signal power. Besides these techniques, the wideband response was achieved by utilising the specific DR geometry like H-shaped ], bow-tie ], hemispherical with apollonian gasket structure ], dumbbell ], E-shaped ], inverted umbrella ] and conical – ].Ībove and beyond, the recent wireless communication system requires the higher data transfer rate. ![]() In this regard, the techniques have been reported to enhance the bandwidth of DRA like stacking, ] and inserting the air gap in the DR ]. Obtaining the wideband and ultra-wideband response always remains the aim of researchers due to its ability of covering both the short and long-range communication ]. Till now, a number of techniques have been reported to enhance its radiation properties like gain and bandwidth ]. The dielectric resonator (DR) antenna (DRA) offers the attractive features like light weight, small size, wide bandwidth, high gain and radiation efficiency ]. IET Generation, Transmission & Distribution.IET Electrical Systems in Transportation.IET Cyber-Physical Systems: Theory & Applications.IET Collaborative Intelligent Manufacturing.CAAI Transactions on Intelligence Technology.
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