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2010

On the Relationship Between Belief Propagation Decoding and Joint Maximum Likelihood Detection

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On the Relationship Between Belief Propagation Decoding and Joint Maximum Likelihood Detection
—Belief propagation, via a novel reinterpretation of the Bethe free energy’s pseudo-dual, is shown to be related to a novel relaxation of maximum likelihood detection via a constrained optimization. The conventional maximum likelihood detection falls out for a zero constraint, and belief propagation’s fixed points are obtained for other constraint values.
John MacLaren Walsh, Phillip A. Regalia
Added 30 Jan 2011
Updated 30 Jan 2011
Type Journal
Year 2010
Where TCOM
Authors John MacLaren Walsh, Phillip A. Regalia
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