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144
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WCE
2007
15 years 5 months ago
2007
—As wireless networks evolves towards the 3G and 4G architectures the mobile core networks provides a platform for all-IP convergence of mobile and fixed networks allowing for be...
121
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AMC
2010
15 years 4 months ago
2010
In this paper, we generalize the classical windowed Fourier transform (WFT) to quaternionvalued signals, called the quaternionic windowed Fourier transform (QWFT). Using the spect...
137
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TASLP
2008
15 years 3 months ago
2008
A method is described for estimating the fundamental frequencies of several concurrent sounds in polyphonic music and multiple-speaker speech signals. The method consists of a comp...
185
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MOBIHOC
2010
ACM
15 years 1 months ago
2010
ACM
We explore the problem of detecting whether a device has moved within a room. Our approach relies on comparing summaries of received signal strength measurements over time, which ...
135
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DAC
1998
ACM
16 years 5 months ago
1998
ACM
The video signal processor AxPe1280V has been developed for implementation of different video coding applications according to standards like ITU-T H.261/H.263, and ISO MPEG-1/2. ...