The present invention relates to an antenna including a multi-reflector. The antenna can reduce the occurrence of the passive inter-modulation distortion (PIMD) while reducing the occurrence of the lateral or reverse beams from the radiation patterns radiated from a copy element. The antenna according to the present invention includes: one or more copy elements, a main reflection plate, a secondary reflection plate, and a dielectric plate. The copy elements are installed on the upper part of the main reflection plate. The secondary reflection plate has an installation space inside to place the main reflection plate and an opening unit on the upper part to expose the surface of the main reflection plate installed with the copy elements. In addition, the dielectric plate is arranged on the main and secondary reflection plates to be physically coupled to the main and secondary reflection plates.

Bae Gi-Hyeong

Papers

Front to back ratio adjustable circumference antenna