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==Theory==
For an optimized detector for digital signals the priority is not to reconstruct the transmitter signal, but it should do a best estimation of the transmitted data with the least possible number of errors. The receiver emulates the distorted channel. All possible transmitted data streams are fed into this distorted channel model. The receiver compares the time response with the actual received signal and determines the most likely signal.
In cases that are most computationally straightforward, [[root mean square deviation]] can be used as the decision criterion<ref>G. Bosco, P. Poggiolini, and M. Visintin, "Performance Analysis of MLSE Receivers Based on the Square-Root Metric," J. Lightwave Technol. 26, 2098–2109 (2008)</ref> for the lowest error probability.
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==See also==
* [[Maximum-likelihood estimation]]
* [[Partial
==References==
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* {{Cite book|title=Wireless Communications|author=Andrea Goldsmith|chapter=Maximum Likelihood Sequence Estimation|pages=362–364|publisher=Cambridge University Press|year=2005|isbn=9780521837163}}
* {{Cite book|pages=319–321|title=Fundamentals of DSL Technology|author1=Philip Golden |author2=Hervé Dedieu |author3=Krista S. Jacobsen |name-list-style=amp |publisher=CRC Press|year=2006|isbn=9780849319136}}
* Crivelli, D. E.; Carrer, H. S., Hueda, M. R. (2005) [http://www.scielo.org.ar/pdf/laar/v35n2/v35n2a04.pdf "Performance evaluation of maximum likelihood sequence estimation receivers in lightwave systems with optical amplifiers"], Latin American Applied Research'', 35 (2), 95–98.
* Katz, G., Sadot, D., Mahlab, U., and Levy, A.(2008) "Channel estimators for maximum-likelihood sequence estimation in direct-detection optical communications", ''Optical Engineering'' 47 (4), 045003. {{DOI|10.1117/1.2904827}}
==External links==
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