Radio communication apparatus

Details Radio communication apparatus Radio communication apparatus

2008-07-01

2008-07-01

Nguyen, Tony T. (Department: 2618)

Telecommunications

Transmitter

Noise or interference elimination

C455S127100, C455S418000, C370S345000, C375S219000

Reexamination Certificate

active

11085080

ABSTRACT:
A plurality of carriers are divided into two systems, one on a low-frequency side and the other on a high-frequency side, a transmitting unit that executes processing for transmitting a signal wirelessly is provided in each of the two systems, and output lines of transmit amplifiers of each of the transmitting units are directly coupled and input to an antenna. A feedback unit on the low-frequency side feeds a low-frequency carrier signal portion contained in the transmit signal back to a distortion compensating unit on the low-frequency side, and a feedback unit on the high-frequency side feeds a high-frequency carrier signal portion contained in the transmit signal back to a distortion compensating unit on the high-frequency side. The distortion compensating units compensate for distortion on the low- and high-frequency sides.

REFERENCES:
patent: 6014374 (2000-01-01), Paneth et al.
patent: 6792252 (2004-09-01), Kimball et al.
patent: 2002-064340 (2002-02-01), None
patent: 2002-135063 (2002-05-01), None
patent: 2002-223131 (2002-08-01), None
patent: 02/17586 (2002-02-01), None

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