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:
Nov. 20, 2018
Filed:
Feb. 06, 2018
Mstar Semiconductor, Inc., Hsinchu Hsien, TW;
Ting-Nan Cho, Hsinchu Hsien, TW;
Yi-Ying Liao, Hsinchu Hsien, TW;
Ko-Yin Lai, Hsinchu Hsien, TW;
Tai-Lai Tung, Hsinchu Hsien, TW;
MSTAR SEMICONDUCTOR, INC., Hsinchu Hsien, TW;
Abstract
A carrier frequency offset (CFO) tracking circuit includes: a CFO estimation circuit, generating an estimated CFO signal; a loop filter, coupled to the CFO estimation circuit, performing a loop filter operation on the estimated CFO signal according to an initial value to generate a loop filtered result; and an averaging circuit, coupled to the CFO estimation circuit and the loop filter, performing an average operation on the estimated CFO signal to generate the initial value as an average of the estimated CFO signal.