Outage Analysis and Power Allocation Optimization for Multiple Energy-Harvesting Relay System Using SWIPT

Algorithm 3

The optimal power splitting factor design under the system’s power constraint.

(1)	Initialization: Let and select a feasible . Choose the step size and the error tolerance , and let
(2)	while (1)
(3)	Using in to solve the power splitting factor for each relay.
(4)	Using and in to obtain and , respectively.
(5)	if
(6)
(7)	;
(8)	break;
(9)	else
(10)	Using in formula (50) to update power
(11)	;
(12)	end
(13)	if
(14)	break;
(15)	end
(16)	end
(17)	Using to achieve the final outage probability.