Energy-Efficient Hybrid Precoding Scheme Based on Antenna Selection Technology in Massive Multiple-Input Multiple-Output Systems

Algorithm 4

Binary iterative water-filling algorithm.

Initialization: ,

 1: for do

 2:   

 3:   calculate based on (39), (40)

 4:   update and

 5:   if ,

 6:   otherwise

 7:   

 8: end for

 9:

 10: Calculate according to (40)

 11: