無線體域網(wǎng)傳輸協(xié)議研究.pdf

1、學號201200357025分類號：TP393碩士學位論文無線體域網(wǎng)傳輸協(xié)議研究研究生姓名：李曉指導教師：賀鵬飛副教授學科門類：工學專業(yè)名稱：電子與通信工程論文提交日期：2014年4月AbstractInrecentyearstheglobalhealthcrisisismeseriousduetotheagingpopulationacceleratedsharplythemedicalcostscontinuetoviciousin

2、flation.ThebodybecomespartofthecommunicationwkbecauseoftheemergenceoftheWirelessBodyAreawkscaneffectivelymonitthehumanbodyhealth.Itisregardedasoneofthekeysuppttechnologythatcansolvethesharplyacceleratedagingpopulationmed

3、icalexpensehyperinflation.WirelessBodyAreawk（WBAN）isalsoakindofwirelesssenswk，generallyusingbatteriestosupplypower.Buttheenergyresourcesarefinite.Themovementofthebodycanalsobringthechangeofthechannelquality.Soenergyisone

4、keyfactthatrestrictsthedevelopmentofWBAN.Itisespeciallyimptanttoreducethewkenergyconsumptionprolongthelifeofthewkbydesigningeffectivecommunicationprotocol.InWBANtheRFpartofthesensconsumesmostoftheenergy.TheMACprotocolpla

5、ysasignificantroleincontrollingdutycyclingofRFmodulereducingtheaverageenergyconsumptionofthesensnode.ThisthesisexpoundedthemostimptantattributeofagoodMACprotocolareenergyefficiencyQualityofService.ThedifferentkindsofMACp

6、rotocolwereillustratedcompared.aconclusionabouttheproposedWBANMACprotocolswasalsomade.wktopologyisareactionoftherelationshipbetweeneachelementinthewk.Itisthefirststeptoconstructwirelessbodyareawkthebasisftheimplementatio

7、nofcommunicationprotocol.Ithasasignificantimpactonthewkperfmancereliabilitycommunicationexpensesetc.Routingprotocolismainlyusedtosendpacketsfromthesourcenodetothedestinationnodeinthewk.Duringthisprocessroutingprotocolcan

8、findtheoptimalpathbetweensourcenodedestinationnodethentransferpacketsontheoptimalpath.InWBANthenumberofsensnodesisbiggeritsenergyisfinite.Atthesametimeduetotheparticularityenvironmentofthehumanbodydevelopingefficientrout