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:
Jul. 09, 2013
Filed:
Jan. 25, 2011
Chun-chieh Tseng, Gueishan Township, Taoyuan County, TW;
Chun-Chieh Tseng, Gueishan Township, Taoyuan County, TW;
Sunplus Technology Co., Ltd., , TW;
Abstract
A soft-in-soft-out (SISO) decoder for a general block code includes a source bit generator which generates k guessed source bits; a channel encoder which maps the k guessed source bits to an n-bit channel codeword; a QAM symbol mapper which generates a locally generated symbol sequence comprising m consecutive QAM symbols based on the n-bit channel codeword; a correlator which receives a symbol sequence, a channel state information sequence, and the locally generated symbol sequence to calculate a correlation associated with the received symbol sequence based on the received symbol sequence, the channel state information sequence, and the locally generated symbol sequence; and a log-likelihood ratio calculator which is connected to the source bit generator and the correlator to thereby calculate the required log-likelihood ratios associated with all coded bits corresponding to the received symbol sequence.
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