Wireless sensor net works[1]consist of hundredsand eventhousands of sensor nodes cooperating witheach other to gather infor mationabout a sensed area.As we know,in many application scenarios sensorsare randomly airdropped by helicopters or scatteredby artillery to deploy net works.After the“bigbang”[2],each node knows neither the wholenet work topology,nor even how many nodes itsneighbors represent or whoits neighbors are.Beforenewly deployed net works can actually start carryingout their intended task,the ...
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