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:
Sep. 08, 2026

Filed:

Dec. 13, 2021
Applicant:

Ntt, Inc., Tokyo, JP;

Inventors:

Masashi Iwabuchi, Musashino, JP;

Riku Omiya, Musashino, JP;

Tatsuhiko Iwakuni, Musashino, JP;

Tomoaki Ogawa, Musashino, JP;

Yasushi Takatori, Musashino, JP;

Assignee:

NTT, Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 24/02 (2009.01); H04B 7/04 (2017.01); H04B 7/06 (2006.01); H04B 7/15 (2006.01); H04L 5/00 (2006.01);
U.S. Cl.
CPC ...
H04W 24/02 (2013.01); H04B 7/0617 (2013.01); H04L 5/0051 (2013.01);
Abstract

The following processing is performed in the learning phase. The base station device transmits a control signal toward the relay device. The relay device dynamically selects a phase weight that determines the beam direction of the reflected wave according to the set value. A channel state of the CH2 is estimated from a low-frequency CH2 reference signal that has arrived at the base station device from the terminal device. The communication quality of the CH1 is measured from the high-frequency CH1 reference signal that has arrived at the base station device from the terminal device. A learning model is generated by learning the set value, the channel state, and the communication quality. In the estimation phase, the latest channel state acquired by the CH2 is applied to the learning model, and an optimum set value predicted to maximize the communication quality under the latest state is estimated.


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