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Summary: ISIT 1998, Cambridge, MA, USA, August 16 -- August 21
On the Optimistic Capacity of Arbitrary Channels \Lambda
PoNing Chen
Dept. of Commun. Engineering
National ChiaoTung University
HsinChu, Taiwan, R.O.C.
poning@cc.nctu.edu.tw
Fady Alajaji
Dept. of Mathematics & Statistics
Queen's University
Kingston, ON K7L 3N6, Canada
fady@polya.mast.queensu.ca
Abstract --- A formula for the optimistic capacity of
arbitrary channels is established. It is shown to equal
the supremum, over all input processes, of the input
output zerosupinformation rate. A general expres
sion for optimistic ''capacity is also provided.
I. Overview
The conventional definition of channel capacity C [1] requires
the existence of reliable block codes for all sufficiently large
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