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:
Jul. 10, 2018
Filed:
Feb. 23, 2016
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventor:
Masahiko Shimizu, Kawasaki, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 5/06 (2006.01); H04B 7/06 (2006.01); G01S 3/74 (2006.01);
U.S. Cl.
CPC ...
G01S 5/06 (2013.01); H04B 7/0617 (2013.01); G01S 3/74 (2013.01);
Abstract
A radio communication apparatus includes an estimating unit that estimates directions of arrival of signals transmitted by a plurality of respective users, a calculating unit that calculates a map as a trigonometric function of an angle representing each of the directions of arrival estimated by the estimating unit, a grouping unit that groups the users based on the maps calculated by the calculating unit, and a determining unit that determines a weight coefficient for forming a directional beam steered to a user belonging to a group, for each group resultant of grouping performed by the grouping unit.