1. A novel high-isolation resistor-less millimeter-wave power divider based on metamaterial structures for 5G applications
2. A simple method to enhance gain and isolation of MIMO antennas simultaneously based on metamaterial structures for millimeter-wave applications
3. High-gain, high-isolation, and wideband millimetre-wave closely spaced multiple-input multiple-output antenna with metamaterial wall and metamaterial superstrate for 5G applications
