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EJWCN
2011
197views more  EJWCN 2011»
14 years 4 months ago
Comparison among Cognitive Radio Architectures for Spectrum Sensing
Recently, the growing success of new wireless applications and services has led to overcrowded licensed bands, inducing the governmental regulatory agencies to consider more flex...
Luca Bixio, Marina Ottonello, Mirco Raffetto, Carl...
MOBISYS
2010
ACM
14 years 12 months ago
Improving energy efficiency of location sensing on smartphones
Location-based applications have become increasingly popular on smartphones over the past years. The active use of these applications can however cause device battery drain owing ...
Zhenyun Zhuang, Kyu-Han Kim, Jatinder Pal Singh
CLEF
2009
Springer
14 years 10 months ago
Using Semantic Relatedness and Word Sense Disambiguation for (CL)IR
In this paper we report the experiments for the CLEF 2009 Robust-WSD task, both for the monolingual (English) and the bilingual (Spanish to English) subtasks. Our main experimenta...
Eneko Agirre, Arantxa Otegi, Hugo Zaragoza
CORR
2008
Springer
131views Education» more  CORR 2008»
14 years 9 months ago
Towards a More Accurate Carrier Sensing Model for CSMA Wireless Networks
Abstract--In the majority of studies on CSMA wireless networks, a contention graph is used to model the carrier sensing relationships among links. This is a 0-1 model in which two ...
Caihong Kai, Soung Chang Liew
GLOBECOM
2007
IEEE
15 years 4 months ago
Gaussian Approximations for Carrier Sense Modeling in Wireless Ad Hoc Networks
— Physical carrier sense for wireless multihop networks has attracted a certain degree of attention since it is a simple yet important mechanism for distributed channel access. S...
Francesco Rossetto, Michele Zorzi