Complex signal scaling for phase and/or amplitude modulated...

Details Complex signal scaling for phase and/or amplitude modulated... Complex signal scaling for phase and/or amplitude modulated...

2011-08-02

2011-08-02

Payne, David C (Department: 2611)

Pulse or digital communications

Transmitters

Amplitude modulation

C375S295000, C375S296000, C375S297000, C455S091000, C455S108000, C455S114300, C455S127200, C330S149000

Reexamination Certificate

active

07991076

ABSTRACT:
A signal scaling device (D), for a transmission path of a wireless communication equipment, comprises a processing means (PM) adapted to receive a phase and/or amplitude modulated signal (I/Q) to transmit, and arranged to multiply said phase and/or amplitude modulated signal with a chosen complex gain in order to output said phase and/or amplitude modulated signal with a chosen scaled amplitude and a chosen phase offset.

REFERENCES:
patent: 5111155 (1992-05-01), Keate et al.
patent: 6275685 (2001-08-01), Wessel et al.
patent: 6411979 (2002-06-01), Greenberger
patent: 6956433 (2005-10-01), Kim et al.
patent: 7062233 (2006-06-01), Huttunen
patent: 0 764 915 (1999-01-01), None
patent: 02/17586 (2002-02-01), None
patent: WO0217586 (2002-02-01), None
Behzad Razavi,Design of Analog CMOS Integrated Circuits, (McGraw-Hill, 2001).

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