2007 search results - page 187 / 402 » SPECTRUM |
138
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GLOBECOM
2008
IEEE
15 years 10 months ago
2008
IEEE
—In this paper, we propose a novel channel estimation scheme for the broadcast phase of the newly invented twoway relaying technique. Instead of using pilot sequences, we exploit...
131
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GLOBECOM
2008
IEEE
15 years 10 months ago
2008
IEEE
— Accurate detection of spectrum opportunities within the frequency band of an orthogonal frequency division multiple access (OFDMA) system is a critical requirement for the real...
129
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ICASSP
2008
IEEE
15 years 10 months ago
2008
IEEE
Polyphonic pitch transcription consists of estimating the onset time, duration and pitch of each note in a music signal. This task is difficult in general, due to the wide range ...
105
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ICASSP
2008
IEEE
15 years 10 months ago
2008
IEEE
Researches in psychology, perception and related fields show that there may be a two-stage process involved in human vision. In this paper, we propose an approach by following a t...
128
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ICASSP
2008
IEEE
15 years 10 months ago
2008
IEEE
The restoration of melody perception is a key remaining challenge in cochlear implants. We propose a new sound coding strategy that converts an audio signal into time-varying elec...