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:
Mar. 08, 2016
Filed:
Aug. 13, 2012
Alvaro Ruiz Delgado, Osaka, JP;
Takashi Onodera, Osaka, JP;
Hiromichi Tomeba, Osaka, JP;
Hiroshi Nakano, Osaka, JP;
Minoru Kubota, Osaka, JP;
Alvaro Ruiz Delgado, Osaka, JP;
Takashi Onodera, Osaka, JP;
Hiromichi Tomeba, Osaka, JP;
Hiroshi Nakano, Osaka, JP;
Minoru Kubota, Osaka, JP;
SHARP KABUSHIKI KAISHA, Osaka, JP;
Abstract
A wireless reception device is notified of whether a multi-user MIMO signal transmitted from a wireless transmission device has undergone linear precoding or non-linear precoding without increasing the amount of control information. A wireless transmission device having a plurality of transmit antennas, for transmitting spatially multiplexed signals to a plurality of wireless reception devices includes a group construction unitconfigured to classify the wireless reception devices into a plurality of groups and to determine a precoding scheme for each of the groups, a selection unitconfigured to select one group from among the groups, and a precoding unitconfigured to precode transmit data addressed to each of wireless reception devices belonging to the selected group, using a precoding scheme determined for the selected group.