Apparatus and method for interference cancellation in...

Pulse or digital communications – Receivers

Reexamination Certificate

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C375S346000

Reexamination Certificate

active

08036313

ABSTRACT:
Provided are an apparatus and method for interference cancellation in a BWA communication system. In a receiving apparatus for the interference cancellation, a preamble correlation measurer measures a preamble correlation coefficient from a preamble of a signal received signal. A data rearranger determines a block size to divide the received signal from the preamble correlation coefficient, divides the signal according to the determined block size, and rearranges the divided signals in a Space-Time coding (STC) mode. An estimate weight calculator cross-correlates the output signals of the data rearranger, rearranges the cross-correlated signals, auto-correlates the rearranged signals, and calculates an estimate weight to perform an interpolation operation. An estimate signal decoding/combining unit detects desired signals from signals estimated by the estimate weight calculator and combines the detected signals.

REFERENCES:
patent: 2006/0012520 (2006-01-01), Tsai et al.
patent: 2006/0140293 (2006-06-01), Lai et al.
patent: 1020020095024 (2002-12-01), None
patent: 1020060036086 (2006-04-01), None
patent: 1020070007029 (2007-01-01), None

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