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:
Mar. 15, 2022

Filed:

May. 09, 2017
Applicant:

Ntt Docomo, Inc., Tokyo, JP;

Inventors:

Takayuki Isogawa, Tokyo, JP;

Naoto Ookubo, Tokyo, JP;

Kohei Kiyoshima, Tokyo, JP;

Takahiro Takiguchi, Tokyo, JP;

Assignee:

NTT DOCOMO, INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 74/08 (2009.01); H04W 74/02 (2009.01); H04W 76/27 (2018.01);
U.S. Cl.
CPC ...
H04W 74/0833 (2013.01); H04W 74/02 (2013.01); H04W 74/0891 (2013.01); H04W 76/27 (2018.02);
Abstract

A communication device used as a first communication device in a wireless communication system including the first communication device, a second communication device communicating with the first communication device, and a user equipment communicating with the first communication device, includes an acquisition unit configured to acquire a parameter used for performing a random access procedure from the second communication device; and a control unit configured to transmit, in the case of receiving a random access preamble from the user equipment in a random access channel indicated by the parameter, information indicating that the random access preamble indicated by the parameter is received from the user equipment to the second communication device.


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