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ICASSP
2011
IEEE
14 years 10 months ago
I-Divergence-based dereverberation method with auxiliary function approach
This paper presents a dereverberation method based on I-divergence minimization, which is particularly suitable for music signals. Existing dereverberation methods, including one ...
Naoki Yasuraoka, Hirokazu Kameoka, Takuya Yoshioka...
ICASSP
2011
IEEE
14 years 10 months ago
Robust secondary multicast transmit beamforming for cognitive radio networks under imperfect channel state information
Consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive radio (CR) n...
Yongwei Huang, Qiang Li, Wing-Kin Ma, Shuzhong Zha...
ICASSP
2011
IEEE
14 years 10 months ago
Stochastic resource allocation for cognitive radio networks based on imperfect state information
Efficient design of cognitive radio networks calls for secondary users implementing adaptive resource allocation, which requires knowledge of the channel state information in ord...
Antonio G. Marqués, Georgios B. Giannakis, ...
ICASSP
2011
IEEE
14 years 10 months ago
Mixture Kalman filtering for joint carrier recovery and channel estimation in time-selective Rayleigh fading channels
This paper proposes a new blind algorithm, based on Mixture Kalman Filtering (MKF), for joint carrier recovery and channel estimation in time-selective Rayleigh fading channels. M...
Ali A. Nasir, Salman Durrani, Rodney A. Kennedy
ICASSP
2011
IEEE
14 years 10 months ago
Multiantenna detection under noise uncertainty and primary user's spatial structure
Spectrum sensing is a challenging key component of the Cognitive Radio paradigm, since primary signals must be detected in the face of noise uncertainty and at signal-to-noise rat...
David Ramírez, Gonzalo Vazquez-Vilar, Rober...