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Two independent CPL (Compound Planar Loop) antennas are integrated inside a plastic phone case. Significant OTA (Over-the-Air) performance enhancement of the mobile device is observed by applying this phone case onto the device. The coupled energy will then induce the characteristic compound EM field due to the unique structure of CPL antenna design and re-radiate into the farfield. Higher gain with...
In this paper, two novel ultra-wideband (UWB) antenna designs based on Composite Right-Left Handed (CRLH) Metamaterial (MTM) structures are elaborated. With CRLH MTM technology embedded, the proposed UWB antenna designs present best in class radiation bandwidth, efficiency, radiation pattern and polarization. All great figures of merits have been achieved based on ultra compact sized PCB antenna structures...
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