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Stability Outage Analysis for LDPC Codes
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DOI：10.1109/LCOMM.2011.090611.111559.png)
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Abstract
En 中文
For a given channel instance and a fixed LDPC ensemble, a stability outage event is defined by the density evolution being unstable at the origin. The probability of such an event, referred to as Stability Outage Probability, is a useful lower bound for the word error rate. We formulate the stability outage probability for block fading channels and we introduce the stability diversity order. As a direct application, we show how the class of capacity-achieving ensembles on the erasure channel is bounded away from the outage limit on a block fading channel.
Keywords:
LDPC codes
stability condition
outage probability
block fading channels
Journal
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4.4
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