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:
Apr. 19, 2011
Filed:
Sep. 11, 2007
Hidetoshi Kawauchi, Kanagawa, JP;
Masayuki Hattori, Kanagawa, JP;
Hidetoshi Kawauchi, Kanagawa, JP;
Masayuki Hattori, Kanagawa, JP;
Sony Corporation, , JP;
Abstract
An OFDM receiver may include OFDM-signal receiving means for receiving an orthogonal frequency division multiplexing (OFDM) signal; channel-characteristic estimating means for estimating a channel characteristic using pilot signals in the OFDM signal received by the OFDM-signal receiving means; and transmission-distortion compensating means for applying, on the basis of the channel characteristic estimated by the channel-characteristic estimating means, processing for compensating for transmission distortion to the OFDM signal received by the OFDM-signal receiving means. The channel-characteristic estimating means may include plural kinds of time-direction-channel estimating means used for the estimation of a channel characteristic, and switching control means for switching these estimating means according to a state of a channel.