تجاوز إلى المحتوى الرئيسي

Distributed patching for mobile wireless sensor networks

ملخص البحث
Mobilewirelesssensornetworks(MWSNs),thecontinuousmovementofsensornodes,maycause completedisconnectionofthenetworkoratbestapartofit.Thedesignofsuchnetworksshould guaranteethatallsensornodesatalltimeshaveapathtothesinknode(s).Prolongingthelifetimesof the MWSNsisacrucialdesignissuebutshouldnotbeattheexpenseofotheressentialfunctionssuch as connectivity.Inthispaper,weproposeanenergyefficientdistributedframeworkforconnectivity maintenanceofMWSNs.Intheproposedframework,sensornodesoftheMWSNsscheduleandcontrol their radiofrequency(RF)modulesbasedondynamiccoordinatedreconstructionmechanism,some senornodesmaylosetheirconnectivitywiththenetworkduetomobility,depletionofenergyand/or incurredfaults.TwoprotocolsaredevelopedtopatchupthedisconnectionoftheMWSNs.Thefirst protocolreestablishesthenetworkconnectionconsumingfarlessenergythanstate-of-the-art alternatives.However,itiscapableofreestablishingtheconnectionwhennomorethan20%ofthe MWSN backbonenodesloseconnectionconcurrently.Thesecondprotocolextendsthislimittooperate when upto35%oftheMWSNbackbonenodesloseconnectionsimultaneously.
مؤلف البحث
Samia A. Ali , Khaled M. Shaaban,Islam M. Alkabbany
مجلة البحث
Journal of Network and Computer Applications 35(2012)
مؤلف البحث
صفحات البحث
PP. 1598–1605
تصنيف البحث
1
عدد البحث
Vol.35, No.5
سنة البحث
2012