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Wideband Dual-Frequency Dual-Polarized Dipole-Like Antenna

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2 Author(s)
Bao, X.L. ; Antenna & High Freq. Res. Centre, Dublin Inst. of Technol., Dublin, Ireland ; Ammann, M.J.

A wideband dual-frequency dual-polarized printed antenna is proposed for LTE, WLAN, and UWB systems. The dual-band antenna provides wide impedance bandwidths of 74% with respect to the center frequency of 2.725 GHz, and 39% with respect to the center frequency of 7.15 GHz. An open slot in the ground plane between the feed arms provides an orthogonal path to realize an embedded circularly polarized band at 2.35 GHz with an axial-ratio bandwidth of 16%. Dual-band characteristics are achieved by an asymmetrical dipole-like element and the coupling configuration between the T-shaped feed line and the wide ground-plane slot.

Published in:

Antennas and Wireless Propagation Letters, IEEE  (Volume:10 )