Macro-micro frequency reconfigurable antenna

In this paper, two representing diodes, the PIN diode and the varactor, are used for the Macro-micro frequency tuning. The PIN diode in the antenna is used for switching wireless service bands (Macro-tuning). As well as the varactor in the antenna is used for tuning frequency band to obtain the constant antenna gain (micro-tuning). The proposed antenna newly realizes desirable broad and fine frequency tuning at the same time for the reconfigurable wireless communication system.