QAM symbol slicing method and apparatus

Details QAM symbol slicing method and apparatus QAM symbol slicing method and apparatus

2011-04-26

2011-04-26

Bocure, Tesfaldet (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

Reexamination Certificate

active

07933364

ABSTRACT:
A method for slicing a symbol in a QAM digital demodulator, includes acquiring a digital integer value by sampling a symbol signal in an in-phase coordinate or a quadrature-phase coordinate; and extracting a symbol bit sequence in the in-phase coordinate or the quadrature-phase coordinate from a whole bit sequence of the digital integer value by using an LSB thereof. Further, a symbol slicer for detecting a QAM symbol, includes digital sampling units, each of which acquires a digital integer value by sampling a symbol signal in an in-phase coordinate or a quadrature-phase coordinate; and a symbol bit sequence extracting unit that extracts a symbol bit sequence in the in-phase coordinate or the quadrature-phase coordinate from a whole bit sequence of the digital integer value by using an LSB thereof.

REFERENCES:
patent: 5263018 (1993-11-01), Christopher
patent: 5471508 (1995-11-01), Koslov
patent: 6661849 (2003-12-01), Guo et al.
patent: 2007/0189231 (2007-08-01), Chang et al.

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