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. 23, 2011
Filed:
Oct. 26, 2007
Hyeong-sook Park, Daejeon, KR;
Jun-woo Kim, Daejeon, KR;
Kyung-yeol Sohn, Daejeon, KR;
Youn-ok Park, Daejeon, KR;
Hyeong-Sook Park, Daejeon, KR;
Jun-Woo Kim, Daejeon, KR;
Kyung-Yeol Sohn, Daejeon, KR;
Youn-Ok Park, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
The present invention relates to an apparatus and method of compensating for a frequency offset in an orthogonal frequency division multiple access system that is capable of efficiently estimating and compensating for the frequency offset. A receiver of the orthogonal frequency division multiple access system can individually estimate a fractional frequency offset and an integer frequency offset by using a downlink preamble signal. Further, the receiver can compensate for the frequency offset by adding the integer frequency offset once after completely compensating for the fractional frequency offset. Therefore, it is possible to efficiently compensate for the frequency offset.