ICASSP
2011
IEEE
13 years 3 months ago
2011
IEEE
We propose the energy efficient MAC algorithm in this paper. In the proposed algorithm, each node sets the contention window size with respect to the residual energy, the harvest...
ICASSP
2011
IEEE
13 years 3 months ago
2011
IEEE
—We develop sub-Nyquist sampling systems for analog signals comprised of several, possibly overlapping, finite duration pulses with unknown shapes and time positions. Efficient...
ICASSP
2011
IEEE
13 years 3 months ago
2011
IEEE
It is now well known that time invariant (TI) linear beamformers, such as the Capon’s beamformer, are only optimal for stationary Gaussian observations whose complex envelope is...
ICASSP
2011
IEEE
13 years 3 months ago
2011
IEEE
In many applications non-stationary Gaussian or stationary nonGaussian noises can be observed. In this paper we present a maximum a posteriori estimation jointly of spectral ampli...
ICASSP
2011
IEEE
13 years 3 months ago
2011
IEEE
This paper proposes a method for analyzing the direction of the arrival of sound by estimating the sound intensity vector from the pressure and energy gradients of closely-spaced ...
ICASSP
2011
IEEE
13 years 3 months ago
2011
IEEE
In this work, we propose adaptive frequency-domain biased estimation algorithms with mechanisms to automatically adjust the shrinkage factors. The proposed estimation algorithms i...
ICASSP
2011
IEEE
13 years 3 months ago
2011
IEEE
In this paper, we propose examining the participants in various meetings or communications within a social network, and using sequential inference based on these participant lists...
ICASSP
2011
IEEE
13 years 3 months ago
2011
IEEE
We applied a multiple kernel learning (MKL) method based on information-theoretic optimization to speaker recognition. Most of the kernel methods applied to speaker recognition sy...
ICASSP
2011
IEEE
13 years 3 months ago
2011
IEEE
Spectral factorization is a classical tool in signal processing and communications. It also plays a critical role in X-ray crystallography, in the context of phase retrieval. In t...
ICASSP
2011
IEEE
13 years 3 months ago
2011
IEEE
We present fundamental concepts of risk and propose two methods for risk management of a portfolio in this paper. Moreover, we introduce their novel extensions to trading in multi...