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:
Aug. 21, 2007
Filed:
Jun. 26, 2001
Dragan Krupezevic, Stuttgart, DE;
Robert Morelos Zaragoza, Tokyo, JP;
Veselin Brankovic, Esslingen, DE;
Mohamed Ratni, Esslingen, DE;
Dragan Krupezevic, Stuttgart, DE;
Robert Morelos Zaragoza, Tokyo, JP;
Veselin Brankovic, Esslingen, DE;
Mohamed Ratni, Esslingen, DE;
Sony Corporation, Tokyo, JP;
Sony Deutschland GmbH, Cologne, DE;
Abstract
A modulation identification device can be used for detecting the modulation type of a wirelessly transmitted and modulated RF signal without a-priori information on the kind of modulation used. The modulation identification device () comprises a n-port junction (), n being an integer equal to or larger than three. The n-port junction () is supplied with the modulated RF signal () and a second RF signal () from a local oscillator. The n-port junction () outputs at least one third RF signal to at least one power detector (). A signal processing unit () processes the power detected output of the n-port junction () to generate at least one flag () indicating the identified modulation type.