Compact ultra-wideband PIFA antenna for high performance mobile devices

A planar inverted-F antenna (PIFA) with a very wideband that begins in 690 MHz and ends in 12.91 GHz is presented. This large wideband is achieved within the size restrictions imposed to some types of mobile devices and the additional advantages of high efficiency and very acceptable reflection coefficient. With this ultra-wideband the PIFA proposed is able to work correctly in every one of the 52 frequency bands specified for the LTE services, except 450 MHz. In this way, the antenna can work properly in many important bands such as LTE 700, GSM 800, GSM 900, DCS, PCS, AWS, WiFi, Bluetooth and the segment of 3.1–10.6 GHz for Ultra-Wideband services.

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