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:
Jul. 22, 2003
Filed:
Dec. 10, 2001
Applicant:
Inventor:
Markku Kiviranta, Oulu, FI;
Assignee:
Nokia Corporation, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03D 3/00 ; H04L 2/706 ; H04L 2/714 ;
U.S. Cl.
CPC ...
H03D 3/00 ; H04L 2/706 ; H04L 2/714 ;
Abstract
The invention relates to a demodulator and a demodulation method for a TFM-modulated signal comprising symbols, the method comprising the steps of calculating an estimate for the symbols, determining an estimate for the phase shift, determining a modulation index estimate error using the phase shift and the symbol estimates and removing the estimated error from the modulation index estimate using the symbol estimates.