Browsing Congressos (Departament de Tecnologies de la Informació i les Comunicacions) by Subject "Upper bound"

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A dual-domain achievability of the typical error exponent

Cocco, Giuseppe; Guillén i Fábregas, A. (Albert); Font Segura, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2021)

For random-coding ensembles with pairwise-independent codewords, we show that the probability that the exponent of a given code from the ensemble being smaller than an upper bound on the typical random-coding exponent is ...
A sphere-packing exponent for mismatched decoding

Kangarshahi, Ehsan Asadi; Guillén i Fábregas, A. (Albert) (Institute of Electrical and Electronics Engineers (IEEE), 2021)

We derive a sphere-packing error exponent for mismatched decoding over discrete memoryless channels. We find a lower bound to the probability of error of mismatched decoding that decays exponentially for coding rates smaller ...

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