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ICC
2007
IEEE
14 years 4 months ago
UWB Based Positioning in Multipath Channels: CRBs for AOA and for Hybrid TOA-AOA Based Methods
— In this paper we consider UWB (ultra wide band) based positioning. We derive the CRBs (Cramer Rao bound) for AOA (angle of arrival) and for hybrid method using both AOA and TOA...
Achraf Mallat, Jérôme Louveaux, Luc V...
KIVS
2005
Springer
14 years 3 months ago
From Location to Position Management: User Tracking for Location-based Services
: This paper compares traditional location management, which focuses on tracking mobile subscribers in the topology of a cellular network, with position management, which we defin...
Axel Küpper, Georg Treu
APPML
2010
101views more  APPML 2010»
13 years 9 months ago
Positive periodic solutions for higher order functional difference equations
In this paper, we apply a fixed point theorem to obtain sufficient conditions for the existence of positive periodic solutions for two classes of higher-order functional differenc...
Weibing Wang, Xinhong Chen
MLQ
2002
67views more  MLQ 2002»
13 years 9 months ago
Intuitionistic Fixed Point Theories for Strictly Positive Operators
In this paper it is shown that the intuitionistic fixed point theory ID i (strict) for times iterated fixed points of strictly positive operator forms is conservative for negativ...
Christian Rüede, Thomas Strahm
FLAIRS
2008
13 years 12 months ago
Reasoning about Topological and Positional Information in Dynamic Settings
Typical application fields of spatial and spatio-temporal representation formalisms and reasoning techniques include geographic information systems (GIS), mobile assistance system...
Marco Ragni, Stefan Wölfl