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. 21, 2021
Filed:
Apr. 29, 2019
Sony Group Corporation, Tokyo, JP;
Sony Group Corporation, Tokyo, JP;
Abstract
The present application relates to methods for calibrating an array antenna () of a terminal () in a MIMO communication system (). The method comprises: communicating, to a base station () of the MIMO communication system (), a calibration capability indication from the terminal () indicative of a capability of the terminal () of calibrating receivers and transmitters for beam correspondence; communicating, from the base station () of the MIMO communication system () to the terminal (), a control message indicative of radio resources; using the radio resources: calibrating receivers and transmitters of the terminal () for beam correspondence by performing over-the-air measurements of mutual coupling between antennas (-) of the array antenna ().