Metamaterial-Inspired Phased Array with High-Gain Beam-Steering for Future Cellular Networks

This paper investigates the features of a new metamaterial-inspired phased array that exhibits high-gain and steerable radiation capabilities, catering to the needs of future cellular networks. Its schematic incorporates eight modified dipole elements arranged in a 1 × 8 linear configuration. To enhance the radiation properties of the designed dipole resonators, 2 × 2 metamaterial unit cells are positioned alongside each dipole resonator. The dipole resonators are compact in size and employ microstrip-line feeds. The suggested smartphone phased array design achieves an impedance bandwidth of 28-32 GHz with −10 dB, offering over 80% total efficiencies and 13 dBi radiation gains. This promising performance aligns with the essential requirements of future cellular communications.