Modern security systems have ways to improve hair-trigger alarms and similar problems. Here's what I've found works.

Abstract: For target tracking applications, wireless sensor nodes provide accurate information since they can be deployed and operated near the phenomenon. These sensing devices have the opportunity ...

Abstract: Localization, as a crucial service for sensor networks, is an energy-demanding process for both indoor and outdoor scenarios. GPS-based localization schemes are infeasible in remote, indoor ...