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Two integrated antenna array prototypes are presented for 60 GHz radios in LTCC technology. The linearly-polarized prototype is a grid array antenna in a ball grid array package. It provides an elegant solution for the future single-package 60 GHz radio. The circularly-polarized prototype is a 4 × 4 patch array integrated with a LNA. It forms an active 60 GHz receiving antenna. Both prototypes are...
A 60-GHz wideband circular polarized (CP) patch array of 4??4 elements is designed and fabricated in low temperature cofired ceramic (LTCC) technology. By applying a strip line sequential rotation feeding scheme this array exhibits wide impedance bandwidth (VSWR<2) and 3-dB axial ratio (AR) bandwidth, both over 8 GHz. In addition, it exhibits a peak gain of 16.8 dBi and a beam-shaped pattern with...
Following the description of basic antenna specifications for 60-GHz wireless personal area network applications, we make an overview of recently-reported antenna array designs for emerging highly-integrated 60-GHz radios in this paper. We reveal that most designs suffer from the complex feeding networks and require sophisticated process techniques to achieve enhanced performance because of improper...
A novel grid array antenna has been designed and further integrated as a chip-scale package in LTCC for the highly-integrated 60-GHz radios. The novel design concept and sophisticated LTCC process have guaranteed excellent performance of the grid array antenna over the targeted 7-GHz bandwidth from 57 to 67 GHz with a maximum gain of 14.5 dBi and an estimated radiation efficiency better than 90%....
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