Decision feedback equalization with fractionally-spaced...

Details Decision feedback equalization with fractionally-spaced... Decision feedback equalization with fractionally-spaced...

2008-03-18

2009-08-25

Wang, Ted (Department: 2611)

Pulse or digital communications

Equalizers

Automatic

C375S229000, C375S230000, C375S232000, C375S350000

Reexamination Certificate

active

07580455

ABSTRACT:
A decision feedback equalizer (DFE) architecture uses feedback samples that are over-sampled with respect to the symbol rate. On-baud feedback samples are quantized with a slicer, while off-baud samples are linear, IIR samples. Both forward and feedback filters are fractionally-spaced, but adapted only at the baud instances.

REFERENCES:
patent: 6668014 (2003-12-01), Endres et al.
patent: 6690739 (2004-02-01), Mui
patent: 6704059 (2004-03-01), Kim
patent: 6819630 (2004-11-01), Blackmon et al.
patent: 6850563 (2005-02-01), Hulyalkar et al.

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