Harvested Energy Maximization of SWIPT System with Popularity Cache Scheme in Dense Small Cell Networks

Algorithm 1

IPSPA algorithm.

(1) Initialization , , , , , = 0.001, = 1, and .

(2) Calculate , and .

(3) for do

(4) Obtain through solving (15) by using interior point method given in [24].

(5) Substitute into the objective function of (15), and calculate corresponding harvested energy.

(6) Update , .

(7) end for

(8) Calculate the maximum harvested energy .

(9) Output , and corresponding and .