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147
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BSL
2008
15 years 6 months ago
2008
This is an introductory survey of the emerging theory of two new classes of (discrete, countable) groups, called hyperlinear and sofic groups. They can be characterized as subgroup...
254
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CORR
2010
Springer
15 years 6 months ago
2010
Springer
An analog source is to be transmitted across a Gaussian channel in more than one channel use per source symbol. This paper derives a lower bound on the asymptotic mean squared erro...
156
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
A coded modulation system is considered in which nonbinary coded symbols are mapped directly to nonbinary modulation signals. It is proved that if the modulator-channel combination...
136
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
This paper presents new lower and upper bounds for the optimal compression of binary prefix codes in terms of the most probable input symbol, where compression efficiency is determ...
130
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
Because each golden code codeword conveys four information symbols from an -ary QAM alphabet, the complexity of an exhaustive-search decoder is proportional to 4 . In this paper we...