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1、AnalysisofthePerformanceofIEEE802.15.4forMedicalSensorBodyAreaNetworkingNicholasF.TimmonsWilliamG.ScanlonFacultyofEngineeringSchoolofElectrical&ElectronicEng.LetterkennyInstituteofTechnologyQueen’sUniversity,BelfastLetterkenny,Co.Donegal,IrelandNorthernIreland,UKnick.timmons@lyit.iew.scanlon@ee.qub
2、.ac.ukAbstract—Forthefirsttime,thispaperpresentsananalysisofthestimulantsetc.TheadvantagesofnetworkingmedicalsensorsperformanceoftheIEEE802.15.4lowpower,lowdataratewillbetospreadthememoryload,processingload,andwirelessstandardinrelationtomedicalsensorbodyareaimprovingtheaccesstodata.Oneofthecrucial
3、areasinnetworks.Thisisanemergingapplicationofwirelesssensorimplantingsensorsisthebatterylifetime.Batteriescannotbenetworkingwithparticularperformanceconstraints,includingreplacedorrechargedwithoutemployingaseriousmedicalpowerconsumption,physicalsize,robustnessandsecurity.Intheproceduresoitisexpecte
4、dthatbatterypoweredmedicalanalysispresented,thestarnetworkconfigurationofthe802.15.4devicesplacedinsidethebodyshouldlastfortentofifteenstandardat2.4GHzwasconsideredforabodyareanetworkyears.Networkingplacesanextrademandonthetransceiverconsistingofawearableordeskmountedcoordinatoroutsideofandprocessi
5、ngoperationsofthesensorresultinginincreasedthebodywithupto10bodyimplantedsensors.Themainpowerconsumption.Anetworkplacedunderahardenergyconsiderationinthisworkwasthelong-termpowerconsumptionconstraintmustthereforeensurethatallsensorsarepoweredofdevices,sinceforpracticalreasons,implantedmedicaldevice
6、sdownorinsleepmodewhennotinactiveuse,yetstillprovideandsensorsmustfunctionforatleast10to15yearswithoutbatteryreplacement.Theresultsshowthatwhenproperlycommunicationswithoutsignificantlatencywhenrequired.configured,802.15.4canbeusedformedicalsensornetworkingTheIEEE802.15.4standardwasspecificallydevi
7、sedtowhenconfiguredinnon-beaconmodewithlowdataratesupportlowpower,lowdataratenetworkswherelatencyandasymmetrictraffic.Beaconmodemayalsobeused,butwithbitratearenotsocritical,andisaresponsetothegrowthinthismo
