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ICASSP
2011
IEEE
12 years 11 months ago
Distributed LCMV beamforming in wireless sensor networks with node-specific desired signals
We consider distributed linearly constrained minimum variance (LCMV) beamforming in a wireless sensor network. Each node computes an LCMV beamformer with node-specific constraint...
Alexander Bertrand, Marc Moonen
RTSS
2007
IEEE
14 years 2 months ago
An Energy-Driven Design Methodology for Distributing DSP Applications across Wireless Sensor Networks
Wireless sensor network (WSN) applications have been studied extensively in recent years. Such applications involve resource-limited embedded sensor nodes that have small size and...
Chung-Ching Shen, William Plishker, Shuvra S. Bhat...
GLOBECOM
2006
IEEE
14 years 1 months ago
Bounds on the Lifetime of Wireless Sensor Networks Employing Multiple Data Sinks
Abstract—Employing multiple base stations is an attractive approach to enhance the lifetime of wireless sensor networks. In this paper, we address the fundamental question concer...
Amar P. Azad, Ananthanarayanan Chockalingam
ICASSP
2009
IEEE
14 years 2 months ago
Structured variational methods for distributed inference in wireless ad hoc and sensor networks
Abstract –In this paper, a variational message passing framework is proposed for Markov random fields, which is computationally more efficient and admits wider applicability comp...
Yanbing Zhang, Huaiyu Dai
ATAL
2008
Springer
13 years 9 months ago
A mobile agent approach to opportunistic harvesting in wireless sensor networks
This demonstration illustrates the feasibility of harvesting data from a WSN by interested parties, either in the WSN coverage area or in a remote location. Embedded and mobile ag...
Richard Tynan, Conor Muldoon, Michael J. O'Grady, ...