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On the Input-Degradedness and Input-Equivalence Between Channels

Publications associées (44)

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Rateless coding with partial CSI at the decoder

Michael Christoph Gastpar

A channel model for channels with unknown state and partial state information available causally at the decoder is proposed. The model is based on arbitrarily varying channels (AVCs), and the partial state information is characterized by allowing the decod ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2007

Secretive Birds: Privacy in Population Protocols

Rachid Guerraoui, Eric Ruppert

We study private computations in a system of tiny mobile agents. We consider the mobile population protocol model of Angluin et al. [2] and ask what can be computed without ever revealing any input to a curious adversary. We show that any computable predic ...

2007

Variable length coding over an unknown channel

Emre Telatar, Aslan Tchamkerten

Burnashev in 1976 gave an exact expression for the reliability function of a discrete memoryless channel (DMC) with noiseless feedback. A coding scheme that achieves this exponent needs, in general, to know the statistics of the channel. Suppose now that t ...

2006

Mechanical control of fluids in micro-analytical devices

Hubert Girault, Joël Rossier, Xiaoxia Bai

An apparatus for manipulating fluid samples comprises a micro-chip device having first and second covered channels, each channel having openings at both ends. The channels intersect to form a common intersection. Three of the openings of the channels are c ...

2006

Identification of a Two-Input System: Variance Analysis

Dominique Bonvin, Alireza Karimi, Ljubisa Miskovic

This paper examines the identification of a single-output two-input system. Motivated by an experiment design problem(should one excite the two inputs simultaneously or separately), we examine the effect of the (second) input signal on the variance of the ...

2005

Optimal feedback schemes over unknown channels

Emre Telatar

Communication over unknown discrete memoryless channels with instantaneous and perfect feedback is considered. For a given set of channels we define a notion of optimal coding schemes in terms of achievable rate and error exponent, and prove the existence ...

2004

Optimal feedback schemes over unknown channels

Emre Telatar, Aslan Tchamkerten

2004

Polyelectrolyte-modified short microchannel for cation separation

Hubert Girault, Christophe Roussel, Xiaoxia Bai

Three alkali cations, potassium, sodium, and lithium, have been separated within 15 s in a 1 cm long polymer microchip. The separation microchannel is modified by a polycation, poly(allylammonium chloride), which makes the channel surfaces positively charg ...

2004

Modelling the electrophysiological endothelial cell response to bradykinin

Jean-Jacques Meister, Jean-Louis Bény, Alexander Schuster

The goal of the present study is to construct a biophysical model of the coronary artery endothelial cell response to bradykinin. This model takes into account intracellular Ca2+ dynamics, membrane potential, a non-selective cation channel, and two Ca(2+)- ...

Springer-Verlag2003

Dispersion in a multitube microreactor: Experimental and modeling study

Albert Renken, André Rouge

The hydrodynamics were examd. of a multichannel (340 channels) tubular microreactor by exptl. detn. of the residence time distribution (RTD) using Ar or He in N2 and by theor. modeling. The dispersion was caused primarily by the laminar velocity profile an ...

2001