RIS-assisted simultaneous wireless information and power transfer system and beam forming method thereof

The invention relates to the technical field of wireless energy-carrying communication, in particular to an RIS-assisted wireless energy-carrying communication system and a beam forming method thereof, and the method comprises the steps: building an RIS-assisted MISO SWIPT system; the average output DC of the RIS-assisted MISO SWIPT system is obtained, and the average output DC is constrained, so that a target optimization problem of the RIS-assisted MISO SWIPT system is proposed; and solving the provided target optimization problem of the RIS-assisted MISO SWIPT system to obtain optimal system parameters, so that the optimal system parameters are operated in the subsequent RIS-assisted MISO SWIPT system. The method can be introduced to make up propagation loss and improve transmission efficiency, thereby improving power efficiency and improving rate-energy balance. 本申请涉及无线携能通信技术领域，尤其涉及一种RIS辅助的无线携能通信系统及其波束形成方法，包括：建立RIS辅助的MISO SWIPT系统；获取RIS辅助的MISO SWIPT系统的平均输出DC，并对该平均输出DC进行约束，以提出RIS辅助的MISO SWIPT系统的目标优化问题；针对提出的