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A new low-profile metallic frame antenna is proposed for hexa-band Smartphone applications. It consists of two frame segments (Segment 1 as a main radiator and Segment 2 which acts as a wave trap). The main segment works as a shorted monopole antenna (PIFA-like antenna) with a modified shape. By combining different modes of the shorted monopole and loading stubs, a hexa-band operation is achieved...
In this letter, a broadband, low-profile, hybrid water antenna is proposed. The hybrid structure combines the resonance of the dielectric resonator (DR) and the resonance of the monopole together to cover the required frequency band. The unique features of the water DR are transparency, reconfigurability, and liquidity, which allows complex structures (including the antenna feeding line) to be placed...
A simple planar helical antenna with multi frequency is proposed. The planar helical antenna is made by printed circuit board (PCB) with suitable size and bending helix disposed and integrated on the upper and bottom surface of the printed circuit board connected by the via-holes in the board. The antenna has compact size and superior performance compared with normal-mode helical antenna. In this...
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