Recently

there has been an upsurge of interest in full-duplex(FD) system with simultaneous wireless information and power transfer(SWIPT).Differing from the existing work

this paper optimizes the sum rates(SR) of multi-antenna FD-SWIPT system and considers its robustness and energy efficiency

also

this paper proposes robust precoding design and energy-efficient timeslot allocation scheme for FD-SWIPT system.On account of numerous variables

this optimization problem is of non-convex and hence difficult to solve.Firstly

in order to reduce the influence of self-interference

the self-interference is cancelled based on singular value decomposition(SVD) and mean-square-error(MSE) algorithm.Then

with the fixed timeslot allocation factor

on condition that there is evaluated error for self-interference channel

we propose the robust precoding design for the original problem based on first-order Taylor's series approximation

and the corresponding iterative algorithm is given.Furthermore

the timeslot allocation schemes under different constraints are proposed

and the optimal solution of timeslot allocation Factors is deduced.Finally

the performance advantages of the proposed scheme are verified by comparing the simulation experiment with the existing results.