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180
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VTC
2007
IEEE
16 years 16 days ago
2007
IEEE
—To approximate the exact peaks of continuous-time orthogonal frequency division multiplexing (OFDM) signals, four times oversampling is usually employed for discrete-time OFDM s...
176
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MOBISYS
2010
ACM
15 years 8 months ago
2010
ACM
The use of cellular data networks is increasingly popular due to the widespread deployment of 3G technologies and the rapid adoption of smartphones, such as iPhone and GPhone. Bes...
155
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ICASSP
2009
IEEE
2009
IEEE
From rule-based to statistical grammars: Continuous improvement of large-scale spoken dialog systems
15 years 10 months ago
Statistical Spoken LanguageUnderstandinggrammars (SSLUs) are often used only at the top recognition contexts of modern large-scale spoken dialog systems. We propose to use SSLUs a...
130
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ECML
2003
Springer
15 years 11 months ago
2003
Springer
In this paper we show how to learn rules to improve the performance of a machine translation system. Given a system consisting of two translation functions (one from language A to ...
173
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TWC
2008
15 years 6 months ago
2008
Abstract--Assuming imperfect channel estimation, we propose an improved detector for orthogonal frequency-division multiplexing (OFDM) systems over a frequency-selective fading cha...