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Packages With Integrated 60-GHz Aperture-Coupled Patch Antennas

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4 Author(s)
Duixian Liu ; IBM T. J. Watson Res. Center, Yorktown Heights, NY, USA ; Akkermans, J.A.G. ; Ho-Chung Chen ; Floyd, B.

This paper presents balanced-fed and fork-fed aperture-coupled patch antennas and 16-element arrays suitable for broadband millimeter-wave communications. The antennas are realized in a multi-layer organic package structure, to which RF integrated circuits can be integrated. To improve antenna bandwidth and radiation efficiency, an air cavity is used, resulting in a superstrate planar patch-antenna structure. Additionally, resonating apertures are used to further increase the antenna bandwidth. Measured results at 60 GHz for the antennas show good performance in terms of peak gain (about 8 dBi for a single element and 17 dBi for a 16-element array), bandwidth ( >; 10 GHz for 10-dB return loss bandwidths are achievable), and radiation efficiency (80% for single-element from simulation).

Published in:

Antennas and Propagation, IEEE Transactions on  (Volume:59 ,  Issue: 10 )