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:
Nov. 23, 2021
Filed:
Jun. 27, 2017
Mitsubishi Electric Corporation, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
A lower base station according to the present invention includes: a CSI acquisition unit that acquires channel information indicating a channel state between the lower base station and one or more mobile terminals; a lower scheduler unit that transmits the channel information to a higher base station, and determines the number of signal streams and a modulation and coding scheme for a destination terminal that is a mobile terminal selected from among the one or more mobile terminals, based on the destination terminal and a data transmission rate for the destination terminal, sent for notification by the higher base station; and an MU-MIMO signal processing unit that performs Multi User-Multiple Input Multiple Output precoding for the mobile terminal.