Biomedical Engineering Reference
In-Depth Information
Table 7.5
Parameters.of.MOEAs
Parameter
Value/Type
Population.size
.
MOGA,.NPGA2,.NSGA2,.SPEA2,.JG
50
.
PAES
1
.
MICROGA
4
Maximum.generations.or.iterations
.
MOGA,.NPGA2,.NSGA2,.SPEA2,.JG
100
.
PAES
5,000
.
MICROGA
1,250
Crossover.type
Uniform.crossover
Crossover.rate
0.8
Mutation.rate
Scenario.a.(25.users):.0.02
Scenario.b.(50.users):.0.01
Other Settings for JG
Jumping.rate
0.02
Number.of.transposons
4
Length.of.transposon
1
Other Settings for SPEA2 or PAES
Archive.size
100
Depth
4
Other Settings for MICROGA
Size.of.external.memory
100
Size.of.population.memory
80
Percentage.of.nonreplaceable.memory
0.25
Replacement.cycle
Every.25.iterations
Number.of.subdivisions.of.the.adaptive.grid
25
Number.of.iterations.to.achieve.nominal.convergence
4
Source: .
Data.from.Chan,.T..M.,.Man,.K..F.,.Tang,.K..S.,.Kwong,.S.,.A.jumping.gene.
algorithm.for.multiobjective.resource.management.in.wideband.CDMA.
systems,. TheComputerJournal ,.48(6),.749-768,.2005.
Note. that. the. results. of. the. PAES,. MICROGA,. and. modiied. GA. are. not.
listed.in . Tables 7.7 .t o. 7.12 . because.the.QoS.of.some.users.was.violated.in.some.
simulation.runs.of.the.two.scenarios.even.in.the.final.nondominated.solu-
tions..Therefore,.they.were.disqualified.
7.8.1 Mean and Standard Deviation of Deb and Jain
Convergence Metric for evaluating Convergence
The.means.and.standard.deviations.of.the.Deb.and.Jain.convergence.metric.
for.the.two.scenarios.are.presented.in. Tables 7.6 . and. 7.7 .. For.scenario.a.with.
25.users,.the.smallest.means.(i.e.,.the.better.convergence).were.obtained.by.
 
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