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:
Jul. 19, 2022

Filed:

Nov. 20, 2020
Applicant:

Sharp Kabushiki Kaisha, Sakai, JP;

Inventors:

Hiromichi Tomeba, Sakai, JP;

Tomoki Yoshimura, Sakai, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 28/06 (2009.01); H04W 84/12 (2009.01); H04L 5/00 (2006.01); H04W 72/12 (2009.01); H04W 76/10 (2018.01); H04W 76/28 (2018.01); H04W 74/08 (2009.01); H04W 74/00 (2009.01);
U.S. Cl.
CPC ...
H04W 28/06 (2013.01); H04L 5/0037 (2013.01); H04L 5/0053 (2013.01); H04W 72/1263 (2013.01); H04W 74/0816 (2013.01); H04W 76/10 (2018.02); H04W 76/28 (2018.02); H04W 84/12 (2013.01); H04L 5/0007 (2013.01); H04W 74/006 (2013.01);
Abstract

Provided are a radio transmission apparatus, a radio receiving apparatus, a radio communication system, and a communication method that make it possible for the radio transmission apparatus performing OFDMA transmission to highly efficiently determine a radio receiving apparatus that is caused to participate in the OFDMA transmission. The radio transmission apparatus that performs OFDMA transmission with a plurality of radio receiving apparatuses includes a reception unit that has a function of performing carrier sense and a function of receiving a function information response frame including function response information indicating that a function of performing the OFDMA transmission is included, and a transmission unit that has a function of switching whether or not to transmit a frame to at least one of the plurality of radio receiving apparatuses on a basis of the carrier sense.


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