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:
May. 20, 2025
Filed:
Aug. 15, 2023
Applicant:
Fujitsu Limited, Kawasaki, JP;
Inventors:
Kazuto Sato, Yokohama, JP;
Daisuke Jitsukawa, Adachi, JP;
Shin Hosokawa, Yokosuka, JP;
Takato Ezaki, Yokohama, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/08 (2006.01); H04B 7/0456 (2017.01);
U.S. Cl.
CPC ...
H04B 7/0857 (2013.01); H04B 7/0486 (2013.01);
Abstract
A communication apparatus that communicates with a terminal device using a multi-input multi-output (MIMO) data transfer method includes: a memory; and a processor coupled to the memory and configured to: estimate a reception signal to interference ratio (SIR) of a wireless propagation path between the communication apparatus and the terminal device; acquire an SIR offset value for a transmission rank based on a state of occurrence of transfer errors; and switch the transmission rank based on the reception SIR and an SIR offset value for the transmission rank.