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» Wireless Local Loop Radio Systems
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PERCOM
2007
ACM
15 years 9 months ago
The SkyLoc Floor Localization System
When a mobile user dials 911, a key to arriving to the emergency scene promptly is knowing the location of the mobile user. This paper presents SkyLoc, a GSM fingerprinting-based ...
Alex Varshavsky, Anthony LaMarca, Jeffrey Hightowe...
108
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GLOBECOM
2010
IEEE
14 years 7 months ago
Spectrum Aware Opportunistic Routing in Cognitive Radio Networks
Cognitive radio (CR) emerges as a key technology to enhance spectrum efficiency and thus creates opportunistic transmissions over links. Supporting the routing function on top of n...
Shih-Chun Lin, Kwang-Cheng Chen
TSP
2010
14 years 4 months ago
Distributed spectrum sensing for cognitive radio networks by exploiting sparsity
Abstract--A cooperative approach to the sensing task of wireless cognitive radio (CR) networks is introduced based on a basis expansion model of the power spectral density (PSD) ma...
Juan Andrés Bazerque, Georgios B. Giannakis
ECEASST
2008
91views more  ECEASST 2008»
14 years 9 months ago
Graph Transformation Model of a Triangulated Network of Mobile Units
Abstract: A triangulated network of mobile units is modelled by means of a graph transformation system in which graph nodes are labelled with geometric coordinates and edges are la...
Stefan Gruner
MOBIWAC
2006
ACM
15 years 3 months ago
Calibration-free WLAN location system based on dynamic mapping of signal strength
In this work we present a calibration-free system for locating wireless local area network devices, based on the radio frequency characteristics of such networks. Calibration proc...
Luís Felipe M. de Moraes, Bruno Astuto A. N...