On Constructing Strongly Connected Dominating and Absorbing Set in 3-Dimensional Wireless Ad Hoc Networks

Algorithm 1

LYZLLQ.

(1)	Input: A strongly connected directed ball graph .
(2)	Output: An SCDAS S.
(3)	Choose a root with the largest degree ;
(4)	;
(5)	Reverse all directed edges in E, form a new edge set ;
(6)	;
(7)	;
(8)	Return S;