05115248 is referenced by 112 patents and cites 6 patents.

A multibeam antenna comprising Ne feed elements and emitting Nb beams each generated by a group of Nc elements has a feed device comprising a set of Nc power dividers. These power dividers are unitary orthogonal distribution matrix power dividers of order P, where P is equal to the power of two equal to or immediately higher than the ratio Ne/Nc. The outputs of the dividers are connected to the various elements in such a way that each element of one of the aforementioned groups contributing to a beam is connected to a different power divider and so that adjacent beams share feed elements. A beam forming network has P.times.Nc outputs connected to amplifiers in turn connected to the inputs of the power dividers. This network has Nb inputs. The beam forming network is usually a low-level network. The device finds a specific application in satellite communications.

Title
Multibeam antenna feed device
Application Number
7/585996
Publication Number
5115248
Application Date
September 21, 1990
Publication Date
May 19, 1992
Inventor
Antoine Roederer
Noordwijk
NL
Agent
Andrus Sceales Starke & Sawall
Assignee
Agence Spatiale Europeenne
FR
IPC
H01Q 3/22
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