Design and Optimization of A Mobile Device PCB-PIFL Multiband Antenna for GSM Applications
The latest trend in handset design is slim smart phones that require small, thin, light weight and wideband multiband internal antennas. This trend poses two major challenges in designing a mobile device antenna: how to use a single antenna to cover all the required frequency bands and then how to make the same antenna small enough so that multiple antennas can be deployed within the same device. Although a Printed Inverted-F Antenna (PIFA) has been a suitable candidate due to its simple modeling and easier fabrication using a Printed Circuit Board (PCB), it has a limitation of a narrow bandwidth characteristic.
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