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RF Antennas in mobile devices are susceptible to platform noises. A significant amount of noise generated by noisy nets propagates through system ground plane conductively to RF antennas. By electrically separating antenna ground from system ground, antenna isolation from noisy nets can be improved. In this study, ferrite beads and a 10-mm physical gap were implemented to the conventional system and...
A novel antenna for wireless local-area-network (WLAN) applications is presented to enable bezeless antenna-integration to ultra-thin tablet computers. Unlike conventional antennas that require wide plastic-bezels, this 37.5×10-mm2 antenna sits on the LCD metal frame with a gap of only 3.5 mm. Even with such small gap, excellent RF performance is demonstrated. The efficiency is as high as 83% and...
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