296 search results - page 31 / 60 » Efficient channel-aware rate adaptation in dynamic environme... |
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this study, we propose increasing discriminative power on the maximum a posteriori (MAP)-based mapping function estimation for acoustic model adaptation. Based on the effective...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
This paper presents PrivacyGrid - a framework for supporting anonymous location-based queries in mobile information delivery systems. The PrivacyGrid framework offers three unique...
EUC
2006
Springer
13 years 11 months ago
2006
Springer
Context delivery is an inevitable issue for ubiquitous computing. Context-aware middlewares perform all the functions of context sensing, inferring and delivery to context-aware ap...
WOWMOM
2009
ACM
14 years 2 months ago
2009
ACM
Abstract— Spectrum-agile radios, also known as cognitive radios, have a great potential to improve spectrum utilization by enabling dynamic access to the spectrum. A key challeng...
ECCC
2007
13 years 7 months ago
2007
We study the notion of learning in an oblivious changing environment. Existing online learning algorithms which minimize regret are shown to converge to the average of all locally...