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, 2012
Filed:
Apr. 19, 2010
Timur G. Kelin, Moscow, RU;
Dmitry D. Murzinov, Moscow, RU;
Dmitry A. Pyatkov, Moscow, RU;
Topcon Positioning Systems, Inc., Livermore, CA (US);
Abstract
A multi-channel sequential Viterbi decoder includes: an input data buffer, a 'Read Single Data Word from Input Data Buffer' signal driver, a processing unit selector, a decoder channel parameters registers unit, a processing unit for the 'Reset Path Metrics' command, a processing unit for the “Set Path Metric Value for the Given Path Number” command, a processing unit for the “Get Single Bit from the Path with Given Number” command, a processing unit for the “Process Input Samples” command, a decoding paths and path metrics RAM, a unit for generating current decoder channel base address for the decoding paths and path metrics RAM, a unit for generating cell address for the decoding path and path metric RAM, and a data buffers unit for decoder channels output.