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:
Mar. 13, 2012
Filed:
May. 09, 2008
Jiun-yo Lai, Taichung, TW;
Jen-yuan Hsu, Kinmen County, TW;
Chin-hung Chen, Tainan, TW;
Pang-an Ting, Taichung County, TW;
Jiun-Yo Lai, Taichung, TW;
Jen-Yuan Hsu, Kinmen County, TW;
Chin-Hung Chen, Tainan, TW;
Pang-An Ting, Taichung County, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
In one aspect of the invention, a carrier frequency offset (CFO) estimation method to estimate a CFO value of a received signal is provided, and the method comprises: receiving a preamble signal which includes several non-perfect repeat segments; applying an interpolation procedure to interpolate the perfect repeat point of one segment compared with the next segment or the previous segment; acquiring a delay correlation value based on the two perfect repeat signal segments and estimating the CFO value based on the delay correlation value.