| Paper: | ITT-P1.11 | ||
| Session: | Defense and Security Applications | ||
| Time: | Wednesday, May 17, 14:00 - 16:00 | ||
| Presentation: | Poster | ||
| Topic: | Industry Technology Track: Other ITT Topics | ||
| Title: | REAL-TIME COLLABORATIVE MONITORING IN WIRELESS SENSOR NETWORKS | ||
| Authors: | Visar Berisha, Homin Kwon, Andreas Spanias, Arizona State University, United States | ||
| Abstract: | In recent years, wireless sensor networks (WSN) have shown success in distributed real-time signal processing systems. In collaborative signal processing environments, each sensor is responsible for extracting pertinent information from the surrounding environment and transmitting it to other sensors and/or to the main processing station. Often times, the sensors operate under a number of constraints, such as limited processing power and low bandwidth. In this paper we propose a collaborative signal processing framework that is implemented in an acoustic monitoring scenario. A low-complexity voice activity detector and a gender classifier are implemented on the Crossbow sensor motes. A series of experiments are presented that characterize the performance of the algorithms under varying SNR conditions and in different environments. | ||
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