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:
Mar. 11, 2008
Filed:
Apr. 19, 2005
Yufei W. Blankenship, Streamwood, IL (US);
T. Keith Blankenship, Streamwood, IL (US);
Brian K. Classon, Palatine, IL (US);
Yufei W. Blankenship, Streamwood, IL (US);
T. Keith Blankenship, Streamwood, IL (US);
Brian K. Classon, Palatine, IL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A structured parity-check matrix H is proposed, wherein H is an expansion of a base matrix H. Base matrix Hcomprises a section Hand a section H. Section Hcomprises column hhaving weight w>=3 and H'having a dual-diagonal structure with matrix elements at row i, column j equal to 1 for i=j, 1 for i=j+1, and 0 elsewhere. The 1's of hand Hare arranged such that one or more groups of the rows of Hcan be formed so that the rows of Hwithin each group do not intersect. Further more, the rows of base matrix Hcan be permuted such that every two consecutive rows do not intersect.