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:
Jul. 31, 2012
Filed:
Jan. 09, 2008
Shuya Hosokawa, Osaka, JP;
Kenji Miyanaga, Osaka, JP;
Naganori Shirakata, Osaka, JP;
Koji Imamura, Osaka, JP;
Koichiro Tanaka, Hyogo, JP;
Shuya Hosokawa, Osaka, JP;
Kenji Miyanaga, Osaka, JP;
Naganori Shirakata, Osaka, JP;
Koji Imamura, Osaka, JP;
Koichiro Tanaka, Hyogo, JP;
Panasonic Corporation, Osaka, JP;
Abstract
The noise amount information storage unitstores noise amount information which indicates relationships between gain value of the variable gain amplification unitsandand the amount of noise included in BB signals output from the down convertersand. The AGC unitcontrols the gain value of the variable gain amplification unitsandso that the power of BB signals output from the down convertersandbecomes constant. The noise amount estimation unitestimates noise amount of noise corresponding to the controlled gain value of the variable gain amplification unitsandby referring to the noise amount information stored in the noise amount information storage unit. The weight generation unitgenerates weight matrix based on results of estimations performed by the channel characteristic estimation unitand the noise estimation unit