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:
Feb. 09, 2021
Filed:
Aug. 12, 2019
Applicant:
Fujitsu Limited, Kawasaki, JP;
Inventor:
Daisuke Jitsukawa, Adachi, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/06 (2006.01); H04L 25/03 (2006.01); H04W 16/28 (2009.01); H04L 5/00 (2006.01);
U.S. Cl.
CPC ...
H04B 7/0626 (2013.01); H04B 7/0697 (2013.01); H04L 25/03343 (2013.01); H04L 25/03974 (2013.01); H04W 16/28 (2013.01); H04B 7/06 (2013.01); H04L 5/0023 (2013.01);
Abstract
A mobile station configured to perform radio communication using spatial multiplexing with a base station, the mobile station including: a controller configured to select a data unit with highest channel quality, and to select a spatial layer with highest reception quality belonging to the selected data unit; and a transmitter configured to transmit spatial coding information and first identification information to the base station, the spatial coding information corresponding to the number of spatial layers, and the first identification information identifying the spatial layer selected, and a layer indicator to determine a precoding matrix.