Transmission power control method and apparatus, and...

Details Transmission power control method and apparatus, and... Transmission power control method and apparatus, and...

2005-04-26

2005-04-26

Vuong, Quochien B. (Department: 2684)

Telecommunications

Transmitter

Measuring, testing, or monitoring of transmitter

C455S114100, C455S114300, C455S127100, C375S296000

Reexamination Certificate

active

06885850

ABSTRACT:
A transmission power control apparatus for outputting a transmission data to be filtered by a band-limiting filter (9), includes: a branching unit (81) for branching transmission data before being entered into the band-limiting filter (9); a peak detecting filter (84) having the same structure as that of the band-limiting filter (9), for entering thereinto one of the transmission data branched by this branching unit (81); units (85to89) for calculating a correction value capable of suppressing a power peak of the transmission data by being filtered by this peak detecting filter (84); a delaying unit for delaying the other data of the branched transmission data by time required to calculate the correction value; and a correcting unit (83) for correcting the transmission data delayed by this delaying unit (82) based upon the correction value, and thereafter, for entering the corrected transmission data into the band-limiting filter (9).

REFERENCES:
patent: 5623486 (1997-04-01), Dohi et al.
patent: 5638403 (1997-06-01), Birchler et al.
patent: 6504862 (2003-01-01), Yang
patent: 6687511 (2004-02-01), McGowan et al.
patent: 0977355 (2000-02-01), None
patent: 9-139679 (1997-05-01), None
patent: 10-126309 (1998-05-01), None
patent: 11-136210 (1999-05-01), None
patent: 2000-106548 (2000-04-01), None
patent: WO 0033477 (2000-06-01), None
patent: WO 0054428 (2000-09-01), None

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