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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...
A compact multiple input multiple output (MIMO) antenna system of four-element planar inverted-L antenna (PILA). The antenna elements are installed along the corners of a PCB board. To mitigate the mutual coupling effect, compact parasitic decoupling elements are used between elements. The design covers a very wide 6dB return loss bandwidth (1700–3500 MHz) with isolation level better than 10 dB. Both...
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