141
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TSP
2010
15 years 2 months ago
2010
A novel evaluation of filtering and quantisation losses for weak DS-CDMA receivers is presented. Using this method, joint optimisation of filter center frequency and bandwidth is c...
178
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TSP
2010
15 years 2 months ago
2010
We address the issue of noise robustness of reconstruction techniques for frequency-domain optical-coherence tomography. We consider three reconstruction techniques: Fourier, iter...
212
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TSP
2010
15 years 2 months ago
2010
Information theory, and particularly the mutual information (MI), has provided fundamental guidance for communications research. In Bell's 1993 paper, the MI was first applied...
232
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TSP
2010
15 years 2 months ago
2010
The dual-tree complex wavelet transform (DT- WT) is known to exhibit better shift-invariance than the conventional discrete wavelet transform. We propose an amplitude-phase represe...
238
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TSP
2010
15 years 2 months ago
2010
Sparse graphical models have proven to be a flexible class of multivariate probability models for approximating high-dimensional distributions. In this paper, we propose techniques...
172
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TSP
2010
15 years 2 months ago
2010
We consider the robust precoder design for Multi-User Multiple Input Single Output (MU-MISO) systems where the Channel State Information (CSI) is fed back from the single antenna ...
211
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TSP
2010
15 years 2 months ago
2010
A novel (differential) entropy estimator is introduced where the maximum entropy bound is used to approximate the entropy given the observations, and is computed using a numerical ...
201
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TSP
2010
15 years 2 months ago
2010
The problem of recovering a signal from its low frequency components occurs often in practical applications due to the lowpass behavior of many physical systems. Here we study in d...
187
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TSP
2010
15 years 2 months ago
2010
In this paper, we consider a low-complexity detection technique referred to as a reduced dimension maximum-likelihood search (RD-MLS). RD-MLS is based on a partitioned search which...
213
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TSP
2010
15 years 2 months ago
2010
We formulate and study a decentralized multi-armed bandit (MAB) problem. There are distributed players competing for independent arms. Each arm, when played, offers i.i.d. reward a...