One dimensional interleaved multi-beam antenna

Details One dimensional interleaved multi-beam antenna One dimensional interleaved multi-beam antenna

1998-08-22

1999-10-05

Wong, Don

Communications: radio wave antennas

Antennas

Wave guide type

343DIG2, 343779, H01Q 1914

Patent

active

059631759

ABSTRACT:
An efficient multi-beam antenna system for use with a high capacity communications satellite or spacecraft that maximizes frequency re-use of the allocated frequency spectrum. The antenna system has first and second offset reflectors disposed adjacent first and second sides of the spacecraft. A first plurality of the feed horns feed the first reflector, and a second plurality of the feed horns feed the second reflector. The feed horns and offset reflectors cooperate to produce a predetermined number of beams. Even numbered beams use a set of frequencies and polarizations that are orthogonal to a set of frequencies and polarizations used by odd numbered beams. The antenna beams are contiguous in one dimension.

REFERENCES:
patent: 4343005 (1982-08-01), Han et al.
patent: 4407001 (1983-09-01), Schmidt
patent: 4482897 (1984-11-01), Dragone et al.
patent: 5373302 (1994-12-01), Wu
patent: 5402137 (1995-03-01), Ramanujam et al.

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