| Speaker: | Dr. Mani Srivastava, University of California – Los Angeles |
|---|---|
| Abstract: | As computation and communication technology is increasingly being applied to networked embedded systems that closely couple with the physical world via sensors and actuators, ensuring long system operation life time has become a key challenge that affects all levels of system design. Proper addressing of this problem requires going beyond low-power chip and nodes to energy-aware operation of entire fields of networked nodes. Crucial is the energy impact of the interplay between the computation, wireless communication, sensing, and actuation aspects of these systems. After a discussion on the factors that effect sensor network lifetime, and an overview of various techniques for energy management, my talk will focus on two aspects of our recent research at UCLA. First, I will describe our work on long-lived event-response sensor networks based on exploiting rate-adaptive predictive time synchronization coupled with energy-efficient medium access protocols. Second, I will describe work on leveraging environmental energy harvesting technologies to achieve "energy neutral" operation by harvesting-aware network resource management and tasking. The talk will seek to illustrate the immense challenges and opportunities when energy is considered in a holistic fashion at the level of entire networks of embedded systems. |
| Biography: | Mani Srivastava received his Ph.D. in EECS from U.C. Berkeley in 1992. Currently he is a Professor on the Electrical Engineering Faculty at UCLA. He is also associated with the UCLA Center for Embedded Networked Sensing (CENS), a NSF Science & Technology Center. He did his graduate work at UC Berkeley, and worked at Bell Labs Research prior to joining the faculty at UCLA. His current interests are in embedded sensor and actuator networks, wireless and mobile systems, embedded system, power-aware computing and communications, and ubiquitous computing. More information about him and his research group is available at his Networked and Embedded Systems Lab's web site http://nesl.ee.ucla.edu. |
| Presented On: | Friday, April 15, 2005 |
| Videotape: | <Not available.> |
