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:
Feb. 22, 2000
Filed:
Nov. 25, 1997
Applicant:
Inventors:
Sivanand Simanapalli, Allentown, PA (US);
Larry R Tate, South Barrington, IL (US);
Assignee:
Lucent Technologies Inc., Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M / ;
U.S. Cl.
CPC ...
714795 ;
Abstract
In accordance with the invention, a method of generating a soft symbol confidence level for use in decoding a received digital signal includes calculating a difference between two potential next state accumulated costs to provide a soft symbol confidence level. Simultaneously with calculating the difference between two potential next state accumulated costs, performing a compare-select operation to identify one of the two potential next state accumulated costs as an extremum of the two present state accumulated costs.