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CISS
2007
IEEE
13 years 11 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
VTC
2010
IEEE
177views Communications» more  VTC 2010»
13 years 3 months ago
Randomized Robot-Assisted Relocation of Sensors for Coverage Repair in Wireless Sensor Networks
—In wireless sensor networks (WSN), stochastic node dropping and unpredictable node failure greatly impair coverage, creating sensing holes, while locally redundant sensors exist...
Greg Fletcher, Xu Li, Amiya Nayak, Ivan Stojmenovi...
GLOBECOM
2009
IEEE
13 years 12 months ago
Strong Barrier Coverage with Directional Sensors
Abstract—The barrier coverage model was proposed for applications in which sensors are deployed for intrusion detection. In this paper, we study a strong barrier coverage problem...
Li Zhang, Jian Tang, Weiyi Zhang
ICC
2007
IEEE
160views Communications» more  ICC 2007»
13 years 11 months ago
Efficient Coverage Planning for Grid-Based Wireless Sensor Networks
- In this paper we study efficient triangular grid-based sensor deployment planning for coverage when sensor placements are perturbed by random errors around their corresponding gr...
Glen Takahara, Kenan Xu, Hossam S. Hassanein
SUTC
2006
IEEE
13 years 11 months ago
Power-aware Node Deployment in Wireless Sensor Networks
Sensor networks have attracted intensive interests due to its extendable capability. In this paper, we attempt to answer a fundamental but practical question:” how should we dep...
Yunhuai Liu, Hoilun Ngan, Lionel M. Ni