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CORR
2008
Springer
15 years 7 months ago
2008
Springer
Abstract-- We analyze the performance of low-density generator matrix (LDGM) codes for lossy source coding. We first develop a generic technique for deriving lower bounds on the ef...
190
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CORR
2008
Springer
15 years 7 months ago
2008
Springer
Depth of an object concerns a tradeoff between computation time and excess of program length over the shortest program length required to obtain the object. It gives an unconditio...
182
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CORR
2008
Springer
15 years 7 months ago
2008
Springer
In this paper, we propose a novel channel estimation technique based on 2D spread pilots. The merits of this technique are its simplicity, its flexibility regarding the transmissi...
155
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CORR
2008
Springer
15 years 7 months ago
2008
Springer
We consider a communication system with multi-access fading channel. Each user in the system requires certain rate guarantee. Our main contribution is to devise a scheduling scheme...
194
click to vote
CORR
2008
Springer
15 years 7 months ago
2008
Springer
This paper provides an explicit expression for the capacity region of the two-user broadcast Z channel and proves that the optimal boundary can be achieved by independent encoding...