Far end crosstalk mitigation in multiple-input...

Pulse or digital communications – Receivers – Particular pulse demodulator or detector

Reexamination Certificate

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C375S233000, C375S260000

Reexamination Certificate

active

07542528

ABSTRACT:
A partial maximum likelihood (ML) far end crosstalk (FEXT) decoder for a multiple-input multiple-output (MIMO) communications channel comprises an initial estimate generator module that generates initial decisions for X channels based on filtered outputs of received signals and feedback from prior decisions. A constellation point selector selects P constellation points for the X channels from a constellation including N points based on the initial decisions. A current estimate generator module evaluates each of the selected P constellation points for each of the X channels as feedback signals and generates final decisions based on selected ones of the constellation points for each of the X channels.

REFERENCES:
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patent: 2003/0035491 (2003-02-01), Walton et al.
patent: 2004/0120274 (2004-06-01), Petre et al.
patent: 2005/0174926 (2005-08-01), Barrass
patent: 2006/0047842 (2006-03-01), McElwain
patent: 2006/0133519 (2006-06-01), Tsatsanis et al.
Nikolic, Borivoje et al., High-Speed Electrical Interfaces, Mar. 7, 2004 (date from wayback machine, web.archive.org), Course Lecture notes from Spring 2004, p. 15, silde 29. PDF available at: http://web.archive.org/web/20060913205802/bwrc.eecs.berkeley.edu/classes/ee290c—s04/lectures/Lecture1-Intro.pdf.
Naofal Al-Dhahir and Ali H. Sayed, “The Finite-Length Multi-Input Multi-Output MMSE-DFE”, IEEE Transactions On Signal Processing, vol. 48, No. 10, Oct. 2000, pp. 2921-2936.

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