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.

Date of Patent:
Jul. 18, 2023

Filed:

Nov. 30, 2017
Applicant:

Ntt Docomo, Inc., Tokyo, JP;

Inventors:

Yousuke Sano, Tokyo, JP;

Kazuki Takeda, Tokyo, JP;

Satoshi Nagata, Tokyo, JP;

Shaozhen Guo, Beijing, CN;

Xin Wang, Beijing, CN;

Xiaolin Hou, Beijing, CN;

Huiling Jiang, Beijing, CN;

Assignee:

NTT DOCOMO, INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 72/0446 (2023.01); H04W 72/20 (2023.01); H04W 72/04 (2023.01); H04L 5/00 (2006.01); H04L 5/10 (2006.01);
U.S. Cl.
CPC ...
H04L 5/0051 (2013.01); H04L 5/10 (2013.01); H04W 72/04 (2013.01); H04W 72/0446 (2013.01); H04W 72/20 (2023.01);
Abstract

A user equipment apparatus in a radio communication system in which uplink communication and downlink communication are dynamically changed includes a reception unit configured to receive, from a base station, control information indicating a resource for an uplink demodulation reference signal in a subframe used for transmitting uplink data; and a transmitting unit configured to transmit the uplink demodulation reference signal according to the control information; wherein the resource for the uplink demodulation reference signal is multiplexed into a part of resources corresponding to one or more symbols at a beginning of a data segment in the subframe used for transmitting the uplink data.


Find Patent Forward Citations

Loading…