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:
Aug. 04, 2009
Filed:
Nov. 23, 2005
Shinsuke Tashiro, Kanagawa, JP;
Shinsuke Tashiro, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
Disclosed herein is a wireless communication device which includes an RF processing unit and a baseband unit that carries out carrier tracking based on a signal after RF processing, in which the device includes: a phase error measuring means that measures a phase error estimation value composed of the phase error value of a carrier and the direction thereof; and a phase error correcting means that compares a phase error estimation value with a first threshold value and a second threshold value larger than the first threshold value, and carries out a first or a second phase error correcting process in response to that a phase error estimation value has exceeded the first or second threshold value.