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:
Nov. 26, 2002
Filed:
Apr. 05, 1999
Robert K. Schweickert, Jupiter, FL (US);
Mahibur Rahman, Lake Worth, FL (US);
Christopher T. Thomas, Fort Lauderdale, FL (US);
Clinton C Powell, II, Lake Worth, FL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A full serial implementation of a M-level correlation based demodulator ( ) includes a two's complement, pass-through, zero-out complex conjugate multiplier element ( ), a boxcar filter ( ) coupled to the multiplier element, a complex magnitude approximater element ( ) coupled to the boxcar filter and a maximum value and index holding element ( ). The multiplier element reuses common products along an M-level of cross-correlation to reduce multiplication functions at a rate 2 times M faster than a sampling rate at an input of the demodulator.