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

Algorithm 2

The optimal power splitting factor design under all relays’ total power constraint.

(1)	Initialization: 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)	break;
(8)	else
(9)	Using in formula (43) to update .
(10)	;
(11)	end
(12)	if
(13)	break;
(14)	end
(15)	end
(17)	Using to achieve the final outage probability.