种群递减-变异蚁群算法在多用户检测中的应用.pdf

.2009.17(11)

ComputerMeasurementControl2289

:2009):TP87:B

-

任广辉,吴晨光,赵楠,王凤

(,150001)

:(ACO),,,,

,ACO,-(PDMACO),PD

MACO;,PDMACOACO,

:;;;;

PopulationDeclining-mutationAntColonyOptimization

AlgorithmanditsApplicationinMultiuserDetection

RenGuanhui,WuChenuan,ZhaoNan,Wanfen

(SchoolofElectronicsandInformationTechnoloy,HarbinInstituteofTechnoloy,Harbin150001,China)

Abstract:Antcolonyoptimization(ACO)alorithmhasalreadysuccessfullybeenusedindiscreteoptimization,however,asthepheno

monaaccumulates,wemaynotetalobaloptimumbecauseitstopssearchinearly.Toresolvetheproblem,anovelalorithmcalledPopu

lationDeclinin-MutationAntColonyOptimization(PDMACO)isproposedbyintroducinpopulationdeclininmechanismandmutation

mechanismofGeneticAlorithms(GA)toACO.ThenPDMACOisappliedtomultiuserdetectionandsimulationresultsshowthattheper

formanceofPDMACOmultiuserdetectorinreducinthebit-errorrateandnear-fareffectismuchbetterthanthatofACOmultiuserde

tectorandisalsoclosetotheperformanceofoptimalmultiuserdetector.

Keywords:CDMA;multiuserdetection;antcolonyoptimization;populationdeclininmechanism;mutationmechanism

0,

,,

CDMA

,-(PopulationDeclinin-MutationAnt

ColonyOptimization,PDMACO),

CDMA,