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ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
— This paper considers a fading relay channel where the total transmit power used is constrained to be equal to that of the standard single-hop channel. The relay channel used op...
EDBT
2010
ACM
14 years 3 months ago
2010
ACM
Querying non-conventional data is recognized as a major issue in new environments and applications such as those occurring in pervasive computing. A key issue is the ability to qu...
DCAI
2008
13 years 10 months ago
2008
Abstract. Social assistance constitutes an increasing problem in developed countries, which can be considered from two dimensions: the home and the hospital frameworks. Anyway, mos...
IPSN
2005
Springer
14 years 2 months ago
2005
Springer
— Environmental energy is an attractive power source for low power wireless sensor networks. We present Prometheus, a system that intelligently manages energy transfer for perpet...
ICASSP
2011
IEEE
2011
IEEE
An evaluation of noise power spectral density estimation algorithms in adverse acoustic environments
13 years 19 days ago
Noise power spectral density estimation is an important component of speech enhancement systems due to its considerable effect on the quality and the intelligibility of the enhanc...