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:
Aug. 13, 2002
Filed:
Mar. 31, 1999
Applicant:
Inventor:
Steven J. Halter, San Diego, CA (US);
Assignee:
Qualcomm, Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03D 1/00 ; H04L 2/706 ;
U.S. Cl.
CPC ...
H03D 1/00 ; H04L 2/706 ;
Abstract
The present invention is a novel and improved technique for decoding technique with particular application to turbo, or iterative, coding techniques. In accordance with one embodiment of the invention, a system for decoding includes a channel deinterleaver RAM for storing a block of symbol estimates, a set of S state metric calculators. Each state metric calculator is for generating a set of state metric calculations and a set of S+1 window RAMs, wherein, S of said S+1 window RAMs provide symbol estimates to said S state metric calculators. A remaining window RAM receives symbol estimates from said channel deinterleaver RAM.