Lifetime Enhancement inWireless Sensor Networks through Selective DataHandover

Wireless sensor nodes, beinghighly energyefficiency. constrained, mustfunction inanenergy-efficient mannerin IncaseofWSNs,thedefinition ofnetwork lifetime is order toenhance network lifetime. Thussuitable protocols must application specific (4). Itmaybetaken asthetimefrom bedefined inordertominimize theenergy dissipated bythe individual nodes inthenetwork. TheLEACHandPEGASIS inception tothetimewhenthenetworkbecomesnon- protocols areelegant solutions totheproblem. Whilethe functional. A networkmaybecomenon-functional whena LEACHprotocol randomizes cluster headsforequal energysingle nodediesorwhenaparticular percentage ofnodes dissemination, thePEGASISprotocol formsachain ofclusterperishes depending on requirement. However, itis headstaking roundsintransmitting tothebasestation. The . . .'.