Telefonaktiebolaget Lm Ericsson (publ)

Jonas Flodin

Thomas Ove Emanuelsson

H&aring;kan Karlsson

The present disclosure relates to a reflector antenna arrangement comprising at least a first reflective metal surface and a signal feeding arrangement transition that is adapted to receive a signal feeding arrangement that in turn is adapted to transmit and/or receive electromagnetic radiation via the first reflective metal surface. The reflector antenna arrangement further comprises a common dielectric body comprising at least one dielectric material, to which common dielectric body the first reflective metal surface is attached in a fixed relation to the signal feeding arrangement transition with a certain distance between them such that said transmitted and/or received electromagnetic radiation at least partly is arranged to propagate through at least a part of the common dielectric body.

Reflector antenna arrangement

The present invention relates to the field of arrangements in reflector antennas, and in particular to that part of this field that concerns reflector antennas that include subreflectors. The invention is concerned chiefly with an improved subreflector ( ) which when used in a reflector antenna ( ) enables the antenna to obtain a radiation diagram with high suppression of side lobes in both the H-plane and the E-plane. The reflective structure of the subreflector ( ) includes at least two mutually different geometries ( ) that have been configured specifically to obtain radiation diagrams with good suppression of side lobes in both the E-plane and the H-plane.

Growing community of inventors

Onsala, Sweden

Jonas Flodin