نتایج جستجو برای: distributed sensor

تعداد نتایج: 442087  

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2012
Christoph Lenzen Roger Wattenhofer

Distributed algorithms are an established tool for designing protocols for sensor networks. In this paper, we discuss the relation between distributed computing theory and sensor network applications. We also present a few basic and illustrative distributed algorithms.

2010
Ashok M. Kanthe

In the sensor network, it is very difficult to use sufficient energy due to limited energy at the sensor nodes. In the distributed sensor network nodes are transmitting signals having extra energy loss. The work presented here suggests that game theory could provide solution of power control problem in CDMA based distributed sensor network. Thus, basic concepts of game theory and distributed se...

2009
CONSTANTIN VOLOSENCU

The domain of system identification may be developed today using the powerful tool represented by the intelligent sensor networks, placed in real distributed parameter systems. The sensor networks, as a “distributed sensor”, allow the usage of multivariable estimation techniques, in different ways: classical linear methods of modelling or methods based on artificial intelligence for complex non...

Energy constraint is the biggest challenge in wireless sensor networks because the power supply of each sensor node is a battery that is not rechargeable or replaceable due to the applications of these networks. One of the successful methods for saving energy in these networks is clustering. It has caused that cluster-based routing algorithms are successful routing algorithm for these networks....

1997
Randy L. Ribler Huseyin Simitci Daniel A. Reed

High-performance computing is rapidly expanding to include distributed collections of heterogeneous sequential and parallel systems and irregular applications with complex, data dependent execution behavior and time varying resource demands. To provide adaptive resource management for dynamic applications, we are developing the Autopilot toolkit. Autopilot provides a exible set of performance s...

2008
Mihai Hulea Camelia Avram Tiberiu Letia Dana Muresan Sergiu Radu

The problem of control and management of railway transportation is a complex task with major outcomes in a modern society. Trains are suitable for transporting peoples and goods with a good trade-off between cost and rapidity. A railway system consists of a network of tracks, list of stations, safety devices (signals, sensors, etc) and a set of trains. Trains moves from one station to other alo...

2006
Roger Wattenhofer

This paper wants to motivate the distributed algorithms community to study sensor networks. We discuss why sensor networks are distributed algorithms, and why they are not.

2006
XIAO Wen-Dong WU Jian-Kang XIE Li-Hua DONG Liang

Wireless sensor network (WSN) of active sensors suffers from serious inter-sensor interference (ISI) and imposes new design and implementation challenges. In this paper, based on the ultrasonic sensor network, two time-division based distributed sensor scheduling schemes are proposed to deal with ISI by scheduling sensors periodically and adaptively respectively. Extended Kalman filter (EKF) is...

Journal: :Computer Communications 2007
Yongguo Mei Changjiu Xian Saumitra M. Das Y. Charlie Hu Yung-Hsiang Lu

Sensor replacement is important for sensor networks to provide continuous sensing services. Upon sensor node failures, holes (uncovered areas) may appear in the sensing coverage. Existing approaches relocate redundant nodes to fill the holes and require all or most sensor nodes to have mobility. However, mobility equipment is expensive while technology trends are scaling sensors to be smaller a...

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