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:
Apr. 18, 2023

Filed:

Feb. 03, 2017
Applicant:

Ntt Docomo, Inc., Tokyo, JP;

Inventors:

Shimpei Yasukawa, Tokyo, JP;

Kazuki Takeda, Tokyo, JP;

Kazuaki Takeda, Tokyo, JP;

Hiroki Harada, Tokyo, JP;

Satoshi Nagata, Tokyo, JP;

Assignee:

NTT DOCOMO, INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 74/08 (2009.01); H04W 52/36 (2009.01); H04W 56/00 (2009.01); H04W 74/00 (2009.01); H04W 72/04 (2009.01); H04W 72/044 (2023.01);
U.S. Cl.
CPC ...
H04W 74/0833 (2013.01); H04W 52/36 (2013.01); H04W 56/001 (2013.01); H04W 72/044 (2013.01); H04W 74/004 (2013.01);
Abstract

A user equipment communicating with a base station in a wireless communication system including the base station and the user equipment, the user equipment including: a storage unit configured to store correspondence information where an identifier of a beam formed by the base station and configuration information used for transmission of a random access signal are associated with each other; a selection unit configured to select a specific beam on the basis of reception quality of signals transmitted from the base station by using a plurality of different beams and select configuration information corresponding to the specific beam on the basis of the correspondence information; and a transmission unit configured to transmit the random access signal to the base station by using the configuration information selected by the selection unit.


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