《cooperativewirelessne省略orbettergreense》.doc

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1、YangYang1，ZhangWuxiong1，HuHonglin1，ZhangSihai2，WangXin3，ZhaoHaitao3，ZhouWuyang2，WeiJibo3(1．ShanghaiResearchCenterforWirelessCommunications，ShanghaiInstituteofMicrosystemandInformationTechnology，ChineseAcademyofSciences，Shanghai200335，China;2．SchoolofInfo

2、rmationScienceandTechnology，UniversityofScienceandTechnologyofChina，Hefei230026，China;3．SchoolofElectronicScienceandEngineering，NationalUniversityofDefenseTechnology，Changsha410073，China)Abstract:Inordertoguaranteetheoverallreturnoninvestment(ROI)，improv

3、euserexperienceandqualityofservice(QoS)，saveenergy，reduceelectramagneticinterference(EMI)andradiationpollution，andenablethesustainabledeploymentofnewprofitableapplicationsandservicesinheterogeneouswirelessnetworkscoexistencereality，thispaperproposesacros

4、s-networkcooperationmechanismtoeffectivelysharenetworkresourcesandinfrastructures，andthena-daptivelycontrolandmatchmulti-networkenergydistributioncharacteristicsaccordingtoactualuser/servicerequire-mentsindifferentgeographicareas．Someidleorlightly-loaded

5、basestations(BSorBSs)willbetemporallyturnedoffforsavingenergyandreducingEMI．InitialsimulationresultsshowthattheproposedapproachcansignificantlyimprovetheoverallenergyefficiencyandQoSperformanceacrossmultiplecooperativewirelessnetworks．Keywords:cooperativ

6、ewirelessnetworks;energyefficiency;radioresourcemanagement;qualityofservice;greencommunicationsworkcooperationisnecessaryandimportant．Insection3，ourtechniquesolutionforthematchingproblemwillbepresentedandnovelcross-networkresourcemanage-mentarchitecturew

7、illbedescribedindetails．Simula-tionresultswillbeshowninsection4．Theseresultsdemonstratetheeffectivenessofthecross-networkmechanism．Section5concludesthispaperandpointsoutfutureresearchdirections．1IntroductionWirelessnetworktechnologyacceleratesthecoex-ist

8、enceofmultipleheterogeneousnetworksandintegra-tionofmultiplebusinesses，whichleadstosomeseri-ousproblems，suchasresourceswasting，strongEMIandradiationollution，andlowROI．Inrecentyears，overlappedcoverageissueinheterogeneousnet