This presentation covers various characteristics of a wireless sensor network in monitoring an unattended area. Results of how wireless sensor network topologies can be effectively used for physically accessible areas are presented. Minimizing packet traffic by collecting data using a mobile Base Station is discussed, along with energy consumption. An innovative technique of distributing keys for shared secret key based communications is described, and various characteristics including resiliency, and monitoring a battle-field using wireless sensor networks are outlined. Analytical model is introduced and compared with simulation results. The need for layered sensing in secured communications is investigated.
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