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.

Date of Patent:
May. 26, 2026

Filed:

Sep. 15, 2021
Applicants:

Ntt Docomo, Inc., Tokyo, JP;

Doco-mo Innovations, Inc., Palo Alto, CA (US);

Inventors:

Nadisanka Rupasinghe, Tokyo, JP;

Haralabos Papadopoulos, Tokyo, JP;

Yuki Matsumura, Tokyo, JP;

Assignee:

NTT DOCOMO, INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/0456 (2017.01); H04B 7/06 (2006.01); H04B 7/08 (2006.01); H04L 5/00 (2006.01);
U.S. Cl.
CPC ...
H04L 5/0051 (2013.01); H04B 7/0626 (2013.01); H04B 7/06956 (2023.05); H04B 7/088 (2013.01);
Abstract

A terminal is disclosed that includes a receiver that receives beamforming information relating to one or more beamformed Channel State Information—Reference Signals (CSI-RSs), the CSI-RSs corresponding to one or more Spatial Domains (SDs) or Frequency Domains (FDs). The terminal also includes a processor that determines a type of the one or more CSI-RSs, and when the type of the one or more CSI-RS is a Type II, performs a Type II port selection codebook with a beamformed CSI-RS of the one or more CSI-RSs in the SD and FD domains.


Find Patent Forward Citations

Rupasinghe, Nadisanka. (2026). Methods of csi-rs beamforming in angle-delay domains for type ii port selection codebook (U.S. Patent No. 12640877). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12640877

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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