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ICASSP
2011
IEEE
14 years 10 months ago
Power allocation optimization in OFDM-based cognitive radios based on sensing information
Owing to the non-zero probability of the missed detection and false alarm of active primary transmission, a certain degree of performance degradation of the primary user (PU) from...
Xiaoge Huang, Baltasar Beferull-Lozano
ICASSP
2011
IEEE
14 years 10 months ago
Sub-Nyquist sampling of short pulses
—We develop sub-Nyquist sampling systems for analog signals comprised of several, possibly overlapping, finite duration pulses with unknown shapes and time positions. Efficient...
Ewa Matusiak, Yonina C. Eldar
ICASSP
2011
IEEE
14 years 10 months ago
MIMO radar for direction finding with exploitation of time-frequency representations
In this paper we consider the exploitation of spatial timefrequency distribution (STFD) in multiple-input multipleoutput (MIMO) radar systems. STFD has been found useful in solvin...
Yimin Zhang, Moeness G. Amin
ICASSP
2011
IEEE
14 years 10 months ago
Training of error-corrective model for ASR without using audio data
This paper introduces a method to train an error-corrective model for Automatic Speech Recognition (ASR) without using audio data. In existing techniques, it is assumed that suf...
Gakuto Kurata, Nobuyasu Itoh, Masafumi Nishimura
ICASSP
2011
IEEE
14 years 10 months ago
Nonlinear properties of snoring sounds
In this paper, the Gaussianity and linearity of the snoring sound (SS) segments extracted from respiratory sounds are discussed. The respiratory sound signals were recorded from 3...
Ali Azarbarzin, Zahra Moussavi