Residual carrier and side band processing system and method

Pulse or digital communications – Transmitters – Quadrature amplitude modulation

Reexamination Certificate

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Details

C375S299000, C375S300000, C375S317000

Reexamination Certificate

active

07443924

ABSTRACT:
In a communication device, the LO leakage and opposite side band signals are measured at an output signal. Input processing signals to a modulator are adjusted in response to the measured values to minimize the LO leakage and maximize side band suppression.

REFERENCES:
patent: 5293406 (1994-03-01), Suzuki
patent: 5796783 (1998-08-01), Crawford
patent: 5862466 (1999-01-01), Erickson
patent: 6169463 (2001-01-01), Mohindra et al.
patent: 6356594 (2002-03-01), Clement et al.
patent: 6535562 (2003-03-01), Mohseni et al.
patent: 6745015 (2004-06-01), Yochem
patent: 6766157 (2004-07-01), Hunzeker et al.
patent: 6853690 (2005-02-01), Sorrells et al.
patent: 7068730 (2006-06-01), Monta
patent: 2003/0013426 (2003-01-01), Kim et al.
patent: 2004/0032913 (2004-02-01), Dinur
patent: 2005/0059361 (2005-03-01), Shi et al.
patent: 2005/0169402 (2005-08-01), Niwa et al.
Analog Devices, 0.8 GHz-2.5 GHz Quadrature Modulator, Analog Devices, Inc., 1999 (12 pages).

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