Patent ID: 8532132

Claim:
A communication method in a home-automation installation comprising at least one sending element, a self-powered receiving element and an element for substituting for the receiving element, the sending element, the receiving element and the substitution element belonging to one and a same home-automation network such that the receiving element communicates directly with other elements of the home-automation network when the receiving element is active, the method being such that, when the receiving element is in sleep mode, the substitution element executes the following steps: receiving and recording information sent by the sending element for the attention of the receiving element only after the substitution element has measured a predetermined duration after receipt of a last message received by the substitution element and sent by the receiving element and confirming to the sending element that the information has been properly received by substituting an identifier of the receiving element for an identifier of the substitution element, and such that, when the receiving element is no longer in sleep mode, the substitution element executes the following step: sending the information for the receiving element, wherein the sending element, the receiving element and the substitution element use a same authentication key to recognize the membership of the home-automation network.