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:
Dec. 07, 1999
Filed:
Nov. 03, 1997
Randall Kent Bahr, Scottsdale, AZ (US);
Edward Kerry Orcutt, Chandler, AZ (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A restricted coded modulator apparatus (100, FIG. 1) is used to assign binary digits to symbols such that an error in one or more binary digits in an M-ary modulation format are the most likely. A parallel concatenated convolutional code is then applied to one or more digits of the symbol before transmitting the symbols across a communications channel (190, FIG. 1). At the receiving end, the one or more binary digits of the symbols and the associated error correction information are decoded by way of a parallel concatenated convolutional decoder (200, FIG. 4). The corrected information is then used to correct errors in other binary digits of the received symbol.