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» Wireless Local Loop Radio Systems
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PERCOM
2007
ACM
14 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...
GLOBECOM
2010
IEEE
13 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
13 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»
13 years 10 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
14 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...