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:
Nov. 16, 2021

Filed:

Mar. 25, 2016
Applicant:

Sharp Kabushiki Kaisha, Sakai, JP;

Inventors:

Katsunari Uemura, Sakai, JP;

Shohei Yamada, Sakai, JP;

Yasuyuki Kato, Sakai, JP;

Hidekazu Tsuboi, Sakai, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 76/27 (2018.01); H04W 4/70 (2018.01); H04L 1/08 (2006.01); H04W 48/16 (2009.01); H04L 1/20 (2006.01); H04W 76/10 (2018.01); H04W 72/04 (2009.01); H04W 74/08 (2009.01);
U.S. Cl.
CPC ...
H04W 76/27 (2018.02); H04L 1/08 (2013.01); H04W 4/70 (2018.02); H04W 48/16 (2013.01); H04L 1/20 (2013.01); H04W 72/04 (2013.01); H04W 74/0833 (2013.01); H04W 76/10 (2018.02);
Abstract

Provided is technology relating to: a terminal device, a base station device, a communication system, a communication method, and an integrated circuit capable of efficiently performing a radio resource control procedure. The terminal device is provided with a first sublayer and a second sublayer that is a lower sublayer than the first sublayer. The first sublayer creates an RRC message corresponding to an RRC procedure and starts a timer relating to the RRC procedure on the basis of coverage level information. The second sublayer executes a random access procedure relating to the RRC procedure on a serving cell, determines the coverage level information in the random access procedure, and selects a random access preamble group on the basis of the determined coverage level information.


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