Sciweavers

2190 search results - page 51 / 438
» Distributed algorithms for dynamic coverage in sensor networ...
Sort
View
TSMC
2008
128views more  TSMC 2008»
13 years 7 months ago
Adaptive Sensor Placement and Boundary Estimation for Monitoring Mass Objects
Sensor networks are widely used in monitoring and tracking a large number of objects. Without prior knowledge on the dynamics of object distribution, their density estimation could...
Zhen Guo, MengChu Zhou, Guofei Jiang
OPODIS
2008
13 years 9 months ago
Distributed Approximation of Cellular Coverage
Abstract. We consider the following model of cellular networks. Each base station has a given finite capacity, and each client has some demand and profit. A client can be covered b...
Boaz Patt-Shamir, Dror Rawitz, Gabriel Scalosub
DCOSS
2006
Springer
13 years 11 months ago
Approximation Algorithms for Power-Aware Scheduling of Wireless Sensor Networks with Rate and Duty-Cycle Constraints
We develop algorithms for finding the minimum energy transmission schedule for duty-cycle and rate constrained wireless sensor nodes transmitting over an interference channel. Sinc...
Rajgopal Kannan, Shuangqing Wei
ICC
2007
IEEE
177views Communications» more  ICC 2007»
14 years 2 months ago
An Energy-Aware Protocol for Data Gathering Applications in Wireless Sensor Networks
—Data gathering is a major function of many applications in wireless sensor networks (WSNs). The most important issue in designing a data gathering algorithm is how to save energ...
Ming Liu, Yuan Zheng, Jiannong Cao, Guihai Chen, L...
DCOSS
2008
Springer
13 years 9 months ago
Frugal Sensor Assignment
When a sensor network is deployed in the field it is typically required to support multiple simultaneous missions, which may start and finish at different times. Schemes that match...
Matthew P. Johnson, Hosam Rowaihy, Diego Pizzocaro...