DUAL POLARIZED BROADBAND OMNIDIRECTIONAL ANTENNA AND FEED METHOD

摘要

A dual polarized broadband omnidirectional antenna and a feed method utilize a horizontally polarized antenna and a vertically polarized antenna installed on the same axis. The horizontally polarized antenna is attached to an attaching panel on both the top and bottom surfaces by means of two arms of a folded dipole. The structure in which the two arms are separately connected to the inner conductor and the outer conductor of the feed line affords the dual polarized antenna a broad working bandwidth. Because a dual polarized ceiling antenna has good polarization isolation effect and balanced coverage the antenna can effectively function as a MIMO antenna in LTE and WLAM systems and can effectively improve data transmission speed in a 2G or 3G network.