NETWORK SECURITY PHD PROPOSAL NS2 PHD PROPOSAL NS2 PHD PROJECTS IN CHENNAI PONDICHERRY
WirelessHART is a new standard specifically designed for real-time and reliable communication between sensor and actuator devices for industrial process monitoring and control applications. End-to-end communication delay analysis for WirelessHART networks is required to determine the schedulability of real-time data flows from sensors to actuators for the purpose of acceptance test or workload adjustment in response to network dynamics. In this paper, we consider a network model based on WirelessHART, and map the scheduling of real-time periodic data flows in the network to real-time multiprocessor scheduling. We then exploit the response time analysis for multiprocessor scheduling and propose a novel method for the delay analysis that establishes an upper bound of the end-to-end communication delay of each real-time flow in the network. Simulation studies based on both random topologies and real network topologies of a 74-node physical wireless sensor network testbed demonstrate that our analysis provides safe and reasonably tight upper bounds of the end-to-end delays of real-time flows, and hence enables effective schedulability tests for WirelessHART networks.
•Processor : 1.4 GHz Pentium IV Processor•RAM : 512 MB•Hard Drive : 10 GB•Operating System : Windows XP / Linux.•Tools : Ns-allinone-2.28.•Pre-Request Software : Cygwin.•Languages : Tcl/Tk, OTcl, C++.•
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