Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train
Reexamination Certificate
2005-08-26
2010-06-15
Payne, David C (Department: 2611)
Pulse or digital communications
Systems using alternating or pulsating current
Plural channels for transmission of a single pulse train
C375S336000, C375S346000
Reexamination Certificate
active
07738572
ABSTRACT:
An OFDM receiver includes a demodulator unit being coupled to a received signal for demodulating both an in-phase (I) component and a quadrature-phase (Q) component of the received signal; a serial to parallel unit for converting the output of the demodulator to a plurality of parallel paths, each path corresponding to a particular tone and having a plurality of time-domain samples; a fast Fourier transform circuit for generating frequency domain samples from the time-domain samples; and a equalization and I-Q mismatch correction circuit being coupled to the fast Fourier transform circuit for performing both frequency domain equalization and I-Q mismatch correction on at least one frequency domain sample being output by the fast Fourier transform circuit.
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Payne David C
Realtek Semiconductor Corp.
Shah Tanmay K
Thomas Kayden Horstemeyer & Risley
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