Sciweavers

651 search results - page 19 / 131
» Selectivity estimation in spatial networks
Sort
View
ISCC
2006
IEEE
112views Communications» more  ISCC 2006»
14 years 1 months ago
The Precision and Energetic Cost of Snapshot Estimates in Wireless Sensor Networks
— Even for a specific application, the design space of wireless sensor networks is enormous, and traditional disciplinary boundaries are disappearing in the search for efficien...
Paul G. Flikkema
ICDE
2000
IEEE
158views Database» more  ICDE 2000»
14 years 9 months ago
Analyzing Range Queries on Spatial Data
Analysis of range queries on spatial (multidimensional) data is both important and challenging. Most previous analysis attempts have made certain simplifying assumptions about the...
Ji Jin, Ning An, Anand Sivasubramaniam
ICAS
2005
IEEE
95views Robotics» more  ICAS 2005»
14 years 1 months ago
Improving APS with Anchor Selection in Anisotropic Sensor Networks
Sensor networks are useful for environmental monitoring, military applications, disaster management, etc. In many applications, sensors are supposed to know their geographic locat...
King-Yip Cheng, Vincent Tam, King-Shan Lui
TWC
2008
133views more  TWC 2008»
13 years 7 months ago
Beam Selection Strategies for Orthogonal Random Beamforming in Sparse Networks
Abstract--Orthogonal random beamforming (ORB) constitutes a mean to exploit spatial multiplexing and multi-user diversity (MUD) gains in multi-antenna broadcast channels. To do so,...
José López Vicario, Roberto Bosisio,...
ICNSC
2007
IEEE
14 years 1 months ago
Improved estimation for object localization via sensor networks
The paper addresses object localization via a distributed sensor network. A centralized estimation approach is undertaken along with a selective node activation strategy to ensure...
Alessio Benavoli, Luigi Chisci