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. 20, 2025

Filed:

Jan. 14, 2020
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventors:

Riku Omiya, Musashino, JP;

Yasushi Takatori, Musashino, JP;

Takafumi Hayashi, Musashino, JP;

Koichi Ishihara, Musashino, JP;

Tomoki Murakami, Musashino, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 74/0808 (2024.01); H04W 72/0453 (2023.01); H04W 84/12 (2009.01);
U.S. Cl.
CPC ...
H04W 74/0808 (2013.01); H04W 72/0453 (2013.01); H04W 84/12 (2013.01);
Abstract

A wireless communication device that detects a vacant channel by carrier sensing from among a plurality of channels and performs communication using the vacant channel includes a carrier sensing unit configured to divide channels to be carrier sensed between a wireless station and a surrounding wireless station, acquire a result of carrier sensing from the surrounding wireless station, and share results of carrier sensing from the wireless station and the surrounding wireless station to detect the vacant channel.


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