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INFOCOM
2003
IEEE
14 years 1 months ago
Unreliable Sensor Grids: Coverage, Connectivity and Diameter
Abstract— We consider an unreliable wireless sensor gridnetwork with n nodes placed in a square of unit area. We are interested in the coverage of the region and the connectivity...
Sanjay Shakkottai, R. Srikant, Ness B. Shroff
IWDC
2005
Springer
128views Communications» more  IWDC 2005»
14 years 1 months ago
Key Forwarding: A Location-Adaptive Key-Establishment Scheme for Wireless Sensor Networks
In this paper we propose an improved alternative for the path key establishment phase of bootstrapping in a sensor network. Our scheme lets the network adapt to the deployment conï...
Ashok Kumar Das, Abhijit Das, Surjyakanta Mohapatr...
VTC
2006
IEEE
223views Communications» more  VTC 2006»
14 years 1 months ago
A Range-Free Localization Algorithm for Wireless Sensor Networks
Distributed localization in wireless sensor networks has attracted significant interest in recent years. In this paper, we propose two improvements towards the DV-Hop algorithm: th...
Qiqian Huang, S. Selvakennedy
COMCOM
2008
99views more  COMCOM 2008»
13 years 8 months ago
Efficiently reconfigurable backbones for wireless sensor networks
We present the definition and performance evaluation of a protocol for building and maintaining a connected backbone among the nodes of a wireless sensor networks (WSN). Building ...
Stefano Basagni, Chiara Petrioli, Roberto Petrocci...
GLOBECOM
2009
IEEE
14 years 2 months ago
Maximizing Lifetime of Sensor-Target Surveillance in Wireless Sensor Networks
—The paper addresses the maximal lifetime problem in sensor-target surveillance networks. Given a set of sensors and targets in an Euclidean plane, each sensor can watch all targ...
Hai Liu, Xiaowen Chu, Yiu-Wing Leung, Xiaohua Jia,...