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. 15, 2011
Filed:
May. 16, 2007
Yu-tao Hsieh, Hsinchu, TW;
Chao-kai Wen, Taipei, TW;
Jia-hao Wu, Taoyuan County, TW;
Pang-an Ting, Taichung County, TW;
Yu-Tao Hsieh, Hsinchu, TW;
Chao-Kai Wen, Taipei, TW;
Jia-Hao Wu, Taoyuan County, TW;
Pang-An Ting, Taichung County, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
An adaptive channel estimator for estimating channel frequency responses when receiving OFDM symbols. The adaptive channel estimator comprises a channel estimator and a channel tracking module. The channel estimator generates one first channel frequency response for each OFDM symbol when operated in the first mode, and generates the channel frequency responses of a second channel frequency response for every N-th OFDM symbols when operated in the second mode, wherein N is a constant integer exceeding one and j is a non-negative integer. The channel tracking module indicates a channel status, and controls the channel estimator to operate in a first mode or a second mode according to the channel status.