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:
Feb. 28, 2023

Filed:

Sep. 23, 2016
Applicant:

Ntt Docomo, Inc., Tokyo, JP;

Inventors:

Hideyuki Moroga, Tokyo, JP;

Kazuaki Takeda, Tokyo, JP;

Huiling Jiang, Beijing, CN;

Liu Liu, Beijing, CN;

Qin Mu, Beijing, CN;

Assignee:

NTT DOCOMO, INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 74/08 (2009.01); H04W 72/14 (2009.01); H04W 72/04 (2009.01); H04L 1/18 (2006.01); H04L 1/1867 (2023.01); H04L 1/1812 (2023.01); H04W 72/0453 (2023.01);
U.S. Cl.
CPC ...
H04W 74/0833 (2013.01); H04L 1/189 (2013.01); H04L 1/1812 (2013.01); H04W 72/04 (2013.01); H04W 72/14 (2013.01); H04W 74/08 (2013.01); H04W 72/0453 (2013.01);
Abstract

A user terminal is disclosed, where a band to use is limited to a partial narrow band in a system band. The user terminal includes a transmitter that transmits and/or a receiver that receives a signal, and a controller that controls repetitious reception and/or repetitious transmission of a control channel in a random access procedure based on a coverage enhancement level for a random access channel. A radio base station that communicates with a user terminal is also disclosed, where a band to use is limited to a partial narrow band in a system band. The radio base station includes a transmitter that transmits and/or a receiver that receives a signal, and a controller that controls to transmit information to make the user terminal control repetitious reception and/or repetitious transmission of a control channel in a random access procedure based on a coverage enhancement level for a random access channel.


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