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:
Oct. 02, 2018
Filed:
Aug. 23, 2016
Mstar Semiconductor, Inc., Hsinchu Hsien, TW;
Fang-Ming Yang, Hsinchu Hsien, TW;
MSTAR SEMICONDUCTOR, INC., Hsinchu Hsien, TW;
Abstract
A communication device includes: a computing circuit, performing a Jpower operation according to a first plurality of time-domain signals to generate a first plurality of computed signals; a transforming circuit, coupled to the computing circuit, transforming the first plurality of computed signals to a first plurality of frequency-domain signals according to a time-frequency transformation; a control circuit, coupled to the converting circuit, performing an absolute value operation on the first plurality of frequency-domain signals to generate a first plurality of output signals; a selecting circuit, coupled to the control circuit, selecting a maximum output signal satisfying a check condition from the first plurality of output signals; and a frequency estimating circuit, coupled to the selecting circuit, estimating a carrier frequency offset according to the maximum output signal.