High-energy-efficiency sensing cloud downlink wireless energy-carrying communication method

The invention relates to the technical field of wireless communication, in particular to a high-energy-efficiency sensing cloud downlink wireless energy-carrying communication method, which comprisesthe following steps of: S1, setting a Sink node in each sensor area; S2, at the same moment, a plurality of Sink nodes in the interference range competing for the same channel in a random access mode;S3, the Sink node sending data with the duration tau to a sensor node in an interference range in a broadcast mode, and a confirmation signal being obtained according to the Sink node to serve as a beacon when channel competition succeeds; and S4, establishing an energy efficiency model according to the energy collection and information decoding process of the Sink node, obtaining the optimal channel competition times of the Sink node through the energy efficiency model, and performing downlink wireless energy-carrying communication after the optimal channel competition times of the Sink node. According to the inventi