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WICON
2008
13 years 9 months ago
Optimal stochastic routing in low duty-cycled wireless sensor networks
We study a routing problem in wireless sensor networks where sensors are duty-cycled. When sensors alternate between on and off modes, delay encountered in packet delivery due to ...
Dongsook Kim, Mingyan Liu
TSP
2010
13 years 2 months ago
Decentralized sparse signal recovery for compressive sleeping wireless sensor networks
Abstract--This paper develops an optimal decentralized algorithm for sparse signal recovery and demonstrates its application in monitoring localized phenomena using energy-constrai...
Qing Ling, Zhi Tian
CISS
2007
IEEE
14 years 2 months ago
Coverage-Based Information Retrieval for Lifetime Maximization in Sensor Networks
—We consider information retrieval in a wireless sensor network deployed to monitor a spatially correlated random field. We address sensor scheduling in each data collection und...
Tong Zhao, Qing Zhao
ICESS
2004
Springer
14 years 1 months ago
A New Gradient-Based Routing Protocol in Wireless Sensor Networks
A new gradient-based routing protocol is proposed in this paper. It takes into account the minimum hop count and remaining energy of each node while relaying data from source node ...
Li Xia, Xi Chen, Xiaohong Guan
ISPAN
2005
IEEE
14 years 1 months ago
Increasing Sensor Network Lifetime by Identifying and Leveraging Nodes with Excess Energy In Heterogeneous Networks
We propose and evaluate wireless sensor routing algorithms designed to extend the lifetime of a heterogeneous wireless sensor network. The network is heterogeneous in the sensors...
Keith Hellman, Michael Colagrosso