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:
Jan. 06, 2004
Filed:
Apr. 11, 2000
Mitsuhiko Yagyu, Ibaraki, JP;
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A direct comparison adaptive halting turbo decoder computes the sum of the a priori and the extrinsic information sequences at each iteration step. The sum sequences are coded so as to be simple binary sequences. New sum sequences are generated during each iteration and used to estimate the state of the convergence without resorting to use of transmitted error detection codes. The adaptive halting turbo decoder is halted when the sum sequences generated in a single iteration step produce identical binary sequences, i.e. a change in the sum sequence is observed during the iteration and when there is no more change, the iteration is halted.
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