Multistage Dynamic Packet Access Mechanism of Internet of Things

Algorithm 3

Dynamic niche-based shuffled frog-leaping algorithm (DNSFLA).

(1)	Initialize and
(2)	for do
(3)	Calculate , and
(4)	end for
(5)	repeat
(6)	Descending and record the best solution
(7)	for do
(8)	Calculate and , put into niche group
(9)	Choose and
(10)	Search using Algorithm 1
(11)	repeat
(12)	Update using Algorithm 2
(13)
(14)	until
(15)	Calculate the variation of , recorded as
(16)	if then
(17)	Initiated randomly
(18)	else
(19)	Reshuffle the solutions of all subgroups
(20)	end if
(21)	end for
(22)
(23)	until