Abstract: Asaconfigurationthemultiplefeedsperbeamcaneffectivelyreducethenumberof  aperturesinmultiplecolorreusecondition.Becausethisconfigurationisresearchedintheprimarystageathomeandabroad,thetraitsofantennausingthiskindof   configurationneedtoberesearchedurgently.Thedesignrequirementsanddifferencesofthiskindofantennarelativetothesingle  feedperbeamantennawereresearched.Thenotionofthemaxinterferenceofneighborcocolorbeamswaspresentedasa  keypoint.Andinordertoensuretherealizabilityoffeednetworksintheory,adesigncombiningthefeednetworkswiththebeamoptimizationwaspresentedforthefirsttime.Finally,twopointsofideasforfurtherimprovementofbeams′propertiesweregiven,alongwithanalysisofthefeasibilityofthem.

Key words: beamformingnetworks, beamoptimization, communicationsatellites, multiplebeamantennas, multiplefeedsperbeam