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:
Sep. 29, 2026
Filed:
Jun. 29, 2021
Panasonic Intellectual Property Corporation of America, Torrance, CA (US);
Yutaka Murakami, Kanagawa, JP;
Panasonic Intellectual Property Corporation of America, Torrance, CA (US);
Abstract
This wireless communication system comprises: a first wireless communication device that transmits a plurality of first reference signals having controlled directivity by the orthogonal frequency division multiple access (OFDMA) method in a first period; and a second wireless communication device that transmits a plurality of second reference signals having controlled directivity to the first wireless communication device in a second period, the second reference signals including information relating to directivity and corresponding to any one or more of the first reference signals received from the first wireless communication device.