Research Article

Adaptive Energy Efficiency Maximization for Cognitive Underwater Acoustic Network under Spectrum Sensing Errors and CSI Uncertainties

Algorithm 1

Energy efficient maximization power allocation algorithm.

1: initialize the error tolerances , and the maximum iteration number ;
2: set the EE , the multipliers , , and the iteration index ;
3: while ()
4:, use (31) and (37) to calculate ;
5:;
6:repeat
7:use (38) to update ;
8:use (39) to update ;
9:;
10:until   and
11:use (16a) to calculate ;
12:if  
13:set and ;
14:else
15:;
16:break;
17:end if
18: end while;
19: return the optimal and ;