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. 08, 2025
Filed:
Apr. 22, 2024
Applicant:
Fraunhofer-gesellschaft Zur Förderung Der Angewandten Forschung E.v., Munich, DE;
Inventors:
Venkatesh Ramireddy, Erlangen, DE;
Markus Landmann, Erlangen, DE;
Marcus Großmann, Erlangen, DE;
Sutharshun Varatharaajan, Erlangen, DE;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/04 (2017.01); H04B 7/01 (2006.01); H04B 7/0417 (2017.01); H04B 7/0456 (2017.01); H04B 7/06 (2006.01);
U.S. Cl.
CPC ...
H04B 7/0417 (2013.01); H04B 7/01 (2013.01); H04B 7/0486 (2013.01); H04B 7/0626 (2013.01); H04B 7/0632 (2013.01); H04B 7/0639 (2013.01);
Abstract
A communication device providing CSI feedback in a wireless communication system includes a transceiver to receive downlink reference signals and downlink signals including a reference signal configuration. A processor estimates an explicit CSI in the frequency domain. The processor selects a Doppler-delay-beam precoder matrix for a composite Doppler-delay-beam three-stage precoder, which is based on one or more codebooks including