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:
Oct. 30, 2012
Filed:
Dec. 19, 2008
Clemens Rheinfelder, Blaustein, DE;
Werner Korte, Ulm, DE;
Ingeborg Sigrid Ilse-dore Korte-gericke, Legal Representative, Eschwege, DE;
Clemens Rheinfelder, Blaustein, DE;
Werner Korte, Ulm, DE;
Ingeborg Sigrid Ilse-Dore Korte-Gericke, legal representative, Eschwege, DE;
Ubidyne, Inc., Wilmington, DE (US);
Abstract
Digital Transceiver (DTRX) usable in a radio communications systems for transmitting and receiving digital base-band signals, wherein the DTRX () comprises: at least one digital up-converter (DUC) () for transmitting digital base-band signals and at least one digital down-converter for receiving digital base-band signals. In one aspect of the teachings disclosed herein the DUC () comprises at least two over-sampling units (), at least one quadrature modulation unit (), and at least one time-discrete sigma delta band-pass modulator (). The digital down-converter comprises at least one quadrature demodulation unit (), at least two decimator units (), and at least two sub-sampling units (). The digital base-band signal comprises an in-phase component (I-signal) and a quadrature component (Q-signal).