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:
Feb. 14, 2023
Filed:
Apr. 21, 2015
Applicant:
Ntt Docomo, Inc., Tokyo, JP;
Inventor:
Yoshihisa Kishiyama, Tokyo, JP;
Assignee:
NTT DOCOMO, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 72/04 (2009.01); H04W 16/28 (2009.01); H04W 74/08 (2009.01); H04B 7/06 (2006.01); H04W 72/12 (2023.01); H04W 88/02 (2009.01); H04W 88/08 (2009.01);
U.S. Cl.
CPC ...
H04W 72/04 (2013.01); H04W 16/28 (2013.01); H04W 74/08 (2013.01); H04W 74/0833 (2013.01); H04B 7/0617 (2013.01); H04W 72/1284 (2013.01); H04W 88/02 (2013.01); H04W 88/08 (2013.01);
Abstract
In user equipment for communicating with a base station in a radio communication system including the base station and the user equipment, the user equipment includes a receiver that measures received power of reference signals associated with a plurality of different identification information items, the reference signals being transmitted from the base station, and that selects a specific reference signal based on a measurement result; and a transmitter that transmits a random access signal including a preamble sequence, the preamble sequence corresponding to the identification information item of the reference signal selected by the receiver.