简介:Intheopennetworkenvironment,maliciousattackstothetrustmodelhavebecomeincreasinglyserious.Comparedwithsinglenodeattacks,collusionattacksdomoreharmtothetrustmodel.Tosolvethisproblem,acollusiondetectorbasedontheGNalgorithmforthetrustevaluationmodelisproposedintheopenInternetenvironment.Byanalyzingthebehavioralcharacteristicsofcollusiongroups,theconceptofflattingisdefinedandtheG-Ncommunityminingalgorithmisusedtodividesuspiciouscommunities.Onthisbasis,acollusioncommunitydetectormethodisproposedbasedonthebreakingstrengthofsuspiciouscommunities.Simulationresultsshowthatthemodelhashighrecognitionaccuracyinidentifyingcollusionnodes,soastoeffectivelydefendagainstmaliciousattacksofcollusionnodes.
简介:摘要结合当前的移动通信工程的发展情况,探讨了通信工程中的4G-LTE通信网络架构的情况,结合指挥控制系统移动通信专网进行举例说明,探讨了4G-LTE技术在移动通信工程中的应用的有效性,希望对今后的移动通信技术发展有所帮助。