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Real-time beam-steering of highly directive antennas at mmWave spectrum under unpredictable propagation environments remains a highly elusive challenge for the upcoming 5G era. Reconfigurable and multifunctional mobile 5G antenna and RF architectures which are desired to achieve sufficient QoS introduce additional technical and economic costs which may outweigh the benefits. This paper investigates...
Additional antenna elements are designed on the flip cover of the mobile phones to boost the radiation performance of the mobile antennas. We used the capacitive coupling technique and the multi-resonant technique to implement antenna booster cases. The designed prototypes show that the antenna booster can make the internal antennas to have the average radiation efficiencies over 50%, which is difficult...
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