Abstract: A method for improving cross-polarization discrimination in a dual-polarized antenna array that includes antenna elements, each including at least two feeding ports to excite the antenna element with mutually independent signals having respective complex amplitudes.

Abstract: A lossless broadband dipole antenna of length L having three collinear parts including a central part and two external parts. The parts are separated by slits, with a first feeding point for the antenna being located at a first end of one of the external parts nearest the slits, and a second feeding point being located at a second end of the other external part nearest the slits. The two feeding points of the antenna at the slits are arranged at a distance d from each other along the length L of the antenna, d/L being chosen such that d L = 0.37 ± 0.04 .

Abstract: The present invention relates to a broadband lossless dipole antenna which is supplied at two supply points (M1, M2, S1, S2) which are symmetrically positioned along the length L of the antenna and at such a distance from each other that d L = 0 , 37 ± 0 , 04.