Abstract--Wireless sensor networks have received a lot of attention recently due to its wide applications. An accurate and synchronized clock time is crucial in many sensor network...
In secure group communications, a key server can deliver a "grouporiented" rekey message [22] to a large number of users efficiently using multicast. For reliable delive...
Abstract—We study network optimization that considers energy minimization as an objective. Studies have shown that mechanisms such as speed scaling can significantly reduce the ...