CUED Publications database

Ensemble-tight error exponents for mismatched decoders

Scarlett, J and Martinez, A and Fabregas, AGI (2012) Ensemble-tight error exponents for mismatched decoders. In: UNSPECIFIED pp. 1951-1958..

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Abstract

This paper studies channel coding for discrete memoryless channels with a given (possibly suboptimal) decoding rule. Using upper and lower bounds on the random-coding error probability, the exponential behavior of three random-coding ensembles is characterized. The ensemble tightness of existing achievable error exponents is proven for the i.i.d. and constant-composition ensembles, and a new ensemble-tight error exponent is given for the cost-constrained i.i.d. ensemble. Connections are drawn between the ensembles under both mismatched decoding and maximum-likelihood decoding. © 2012 IEEE.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: UNSPECIFIED
Divisions: Div F > Signal Processing and Communications
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:32
Last Modified: 16 Nov 2017 02:19
DOI: