Research Article

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

Algorithm 1

Approximate SDP algorithm for (21a)–(21f).
Require:
Ensure: A solution and for problem (21a)–(21f);
(1)Suppose that is an initial point; set l = 0 and (a large number);
(2)do;
(3)solve SDP (30a)–(30c), obtaining optimal solution and optimal value ;
(4)solve(29), obtaining solution ;
(5);
(6)UNTIL ;
(7)return.