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. 09, 2019
Filed:
Mar. 15, 2016
Applicant:
Ntt Docomo, Inc., Tokyo, JP;
Inventors:
Yoshihisa Kishiyama, Tokyo, JP;
Daisuke Kurita, Tokyo, JP;
Assignee:
NTT DOCOMO, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 16/28 (2009.01); H04W 56/00 (2009.01); H04W 72/04 (2009.01);
U.S. Cl.
CPC ...
H04W 72/044 (2013.01); H04W 16/28 (2013.01); H04W 56/00 (2013.01); H04W 56/001 (2013.01); H04W 72/04 (2013.01); H04W 72/0406 (2013.01);
Abstract
A user device communicates with base stations in a radio communication system including the base stations. The user device includes a receiver that receives a first downlink control signal transmitted from one of the base stations, a transmitter that transmits uplink signals using multiple antenna ports or multiple beams, and a controller that controls, for each subframe, transmission timing of the uplink signals transmitted using the multiple antenna ports or the multiple beams, based on the first downlink control signal.