The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 10, 2011
Filed:
Jan. 11, 2008
Tomoya Urushihara, Chiba, JP;
Akihiko Matsuoka, Kanagawa, JP;
Gary DO, San Jose, CA (US);
Wayne Lee, San Mateo, CA (US);
Tomoya Urushihara, Chiba, JP;
Akihiko Matsuoka, Kanagawa, JP;
Gary Do, San Jose, CA (US);
Wayne Lee, San Mateo, CA (US);
Panasonic Corporation, Osaka, JP;
Abstract
As explained above, according to embodiments of the present invention, by providing averaging sectionthat detects an average power value of amplitude component signals, and controlling transmission power based on the amount of drift in the average output power value of PAand the amount of drift in the average power value of amplitude component signals, when residual drift components are included in the average output power value of PA, the influence of residual drift components can be eliminated and transmission power can be controlled, so that it is possible to improve the accuracy of transmission power control. That is, deterioration of power estimation accuracy resulting from residual drift components can be reduced, so that it is possible to satisfy the restrictive requirement that the difference between transmission power be within, for example, the range of +/−0.5 dB.