Sciweavers

528 search results - page 80 / 106
» Approximation algorithm for minimal convergecast time proble...
Sort
View
CCE
2007
13 years 7 months ago
Water networks security: A two-stage mixed-integer stochastic program for sensor placement under uncertainty
This work describes a stochastic approach for the optimal placement of sensors in municipal water networks to detect maliciously injected contaminants. The model minimizes the exp...
Vicente Rico-Ramírez, Sergio Frausto-Hern&a...
CDC
2009
IEEE
189views Control Systems» more  CDC 2009»
14 years 12 days ago
Maximizing aggregated revenue in sensor networks under deadline constraints
Abstract— We study the problem of maximizing the aggregated revenue in sensor networks with deadline constraints. Our model is that of a sensor network that is arranged in the fo...
Srikanth Hariharan, Ness B. Shroff
MM
2009
ACM
160views Multimedia» more  MM 2009»
14 years 2 months ago
On statistical multiplexing of variable-bit-rate video streams in mobile systems
We consider the problem of broadcasting multiple variable-bit-rate (VBR) video streams from a base station to many mobile devices over a wireless network, so that: (i) perceived q...
Cheng-Hsin Hsu, Mohamed Hefeeda
ICOST
2007
Springer
14 years 1 months ago
Distributed Vision-Based Accident Management for Assisted Living
We consider the problem of assisting vulnerable people and their carers to reduce the occurrence, and concomitant consequences, of accidents in the home. A wireless sensor network ...
Hamid K. Aghajan, Juan Carlos Augusto, Chen Wu, Pa...
INFOCOM
2008
IEEE
14 years 2 months ago
Distributed Operator Placement and Data Caching in Large-Scale Sensor Networks
Abstract—Recent advances in computer technology and wireless communications have enabled the emergence of stream-based sensor networks. In such sensor networks, real-time data ar...
Lei Ying, Zhen Liu, Donald F. Towsley, Cathy H. Xi...