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:
Dec. 19, 2023
Filed:
Apr. 23, 2020
Applicant:
Sharp Kabushiki Kaisha, Sakai, JP;
Inventors:
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 36/08 (2009.01); H04W 76/12 (2018.01); H04W 76/15 (2018.01); H04W 36/18 (2009.01);
U.S. Cl.
CPC ...
H04W 36/08 (2013.01); H04W 36/18 (2013.01); H04W 76/12 (2018.02); H04W 76/15 (2018.02);
Abstract
In a case of using one PDCP entity to communicate with a source cell and a target cell, a terminal apparatus associates, with the PDCP, a radio bearer of the source cell and a radio bearer of the target cell that are associated with an identical EPS bearer identity, and the PDCP manages two keys.