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A novel reconfigurable patch antenna with both frequency and polarization diversities for wireless communications

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3 Author(s)
Nanbo Jin ; Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA ; Fan Yang ; Y. Rahmat-Samii

A novel reconfigurable patch antenna that applies the PASS concept is presented in this paper to obtain both frequency and polarization diversities for wireless communications. With single patch and single feed, the antenna operates at two different frequencies with a frequency ratio of 1.055, similar radiation pattern and opposite circular polarizations. Experiments are carried out to demonstrate the feasibility of the design, and satisfactory axial ratios of 1.86 dB and 1.99 dB are obtained. The presented methodology is very promising in antenna design for satellite and mobile communications, which require multi-frequency operation to enhance the channel capacity, and different polarizations to prevent crosstalk between the channels.

Published in:

Antennas and Propagation Society International Symposium, 2004. IEEE  (Volume:2 )

Date of Conference:

20-25 June 2004