Beamforming Optimization for Information Enhancement Transmission in MISO SWIPT with NOMA System

Algorithm 2

An Approximate SOCP algorithm for (20a)–(20f).

	Require:
	Ensure: A solution for problem (20a)–(20f);
(1)	Suppose that is an initial point; set l = 0 and (a large number);
(2)	repeat;
(3)	solve SOCP (60a)–(60b), obtaining optimal solution ;
(4)	;
(6)	until.