Abstract
This paper presents a dual-band dual-polarized antenna array design for WLAN applications. Four double-dipole elements are orthogonally interleaved to facilitate operation in both the standard WLAN frequency bands (IEEE 802.11b and IEEE 802.11a) simultaneously. The two linear polarizations have separate ports. The presented design is characterized by dual-band operation, reasonably good front-to-back ratios, average gains of 5.2dBi and 6.2dBi over the 2.4 and 5.2GHz bands respectively, stable end-flre radiation patterns and very low cross-polarization levels.
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