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. 04, 2023

Filed:

Aug. 06, 2019
Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:

Alexander Sirotkin, Hod Hasharon, IL;

Jaemin Han, Portland, OR (US);

Feng Yang, Beijing, CN;

Assignee:

Apple Inc., Cupertino, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/801 (2013.01); H04W 76/12 (2018.01); H04W 76/22 (2018.01); H04W 76/27 (2018.01); H04L 1/1829 (2023.01); H04W 36/00 (2009.01);
U.S. Cl.
CPC ...
H04W 76/12 (2018.02); H04L 1/1864 (2013.01); H04W 36/0033 (2013.01); H04W 76/22 (2018.02); H04W 76/27 (2018.02);
Abstract

An apparatus of a next generation NodeB (gNB) comprises one or more baseband processors to interconnect a gNB Central Unit control-plane entity (gNB-CU-CP) with a gNB Central Unit user-plane entity (gNB-CU-UP) via an E1 control plane interface and a gNB Distributed Unit (gNB-DU) via an F1 control plane interface. Rather than relying on multiple class-1 procedures initiated by gNB-CU-CP toward gNB-CU-UP and gNB-DU, the one or more baseband processors are configured to establish or modify a bearer context and to communicate data transport tunneling and/or packet data convergence protocol (PDCP) preservation status information for a specific user equipment (UE), utilizing the direct F1 user plane interface between gNB-DU and gNB-CU-UP to avoid relaying delay. The gNB can include a memory to store the bearer context and data transport tunneling information.


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