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:
Oct. 16, 2018
Filed:
Feb. 22, 2017
National Chiao Tung University, Hsinchu, TW;
Hsie-Chia Chang, Hsinchu, TW;
Chen-Yang Lin, Hsinchu, TW;
National Chiao Tung University, Hsinchu, TW;
Abstract
A turbo decoder system decodes L-length digital data consisting of a systematic code and 1and 2parity check codes, and includes a trellis controller obtaining the ratio of the bit-number Ep of the 1/2parity check code to the bit-number D of an original systematic code and generating, based on the code rate of the digital data, a trellis control output indicating a target decoding trellis, which is selected by a turbo decoder to perform decoding operations. A zero-patch module patches zeros into the systematic code, and patches, based on the value of Ep/D, one or more zeros into the 1/2parity check code so that parity check bits of the 1/2parity check code and the zero-bit(s) form a periodically depunctured parity check code.