Patent ID: 7768956

Claim:
A method for optimization of a payload of a multispot telecommunication satellite to define an optimized payload from a reference payload for the formation of N s spots on a downlink, N s being a natural whole number strictly greater than 1, the reference payload comprising amplification means formed: either by N s first amplification units comprising an input and an output, each of the N s first amplification units being intended to amplify a spot, or by a first amplification equipment comprising N s inputs and N s outputs and intended to amplify the N s spots, the optimization being realized in response to one of the following two criteria: first criterion: a capacity C of said reference payload is conserved and an area of a covering zone of the said payload is divided by N, N being a natural whole number strictly greater than 1 so that N s is a multiple of N; second criterion: the area of the covering zone of said payload is conserved and said capacity C is multiplied by N; according to said first criterion, said method comprises the following steps: comparing said number N s of spots with a threshold number of spots N threshold or comparing said capacity C with a threshold capacity C threshold ; if N s is greater than N threshold or if the capacity of C is greater than C threshold : when said amplification means are formed by said N s first amplification units: substituting in said optimized payload of said N s first units N s /N second amplification units, each of the N s /N second amplification units being intended to amplify N spots; when said amplification means are formed by said first amplification equipment: substituting in said optimized payload of said first amplification equipment a second amplification equipment comprising N s /N inputs and N s /N outputs and intended to amplify the N s spots distributed over said N s /N inputs; according to said second criterion, said method comprises the following stages: when said amplification means are formed by said N s first amplification units: substituting in said optimized payload of said N s first units N s third amplification units, each of said N s third amplification units being intended to amplify N spots; when said amplification means are formed by said first amplification equipment: substituting in said optimized payload of said first equipment a third amplification equipment comprising N s inputs and N s outputs and intended to amplify N×N s spots distributed over said N s inputs.