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:
Dec. 16, 2025

Filed:

Mar. 27, 2020
Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:

Qiming Li, Cupertino, CA (US);

Yi Guo, Cupertino, CA (US);

Jie Cui, Cupertino, CA (US);

Yang Tang, Cupertino, CA (US);

Hua Li, Cupertino, CA (US);

Assignee:

Apple Inc., Cupertino, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2018.01); H04L 5/00 (2006.01); H04W 24/10 (2009.01); H04W 36/00 (2009.01); H04W 36/30 (2009.01); H04W 76/10 (2018.01); H04W 74/0833 (2024.01);
U.S. Cl.
CPC ...
H04L 5/0048 (2013.01); H04W 24/10 (2013.01); H04W 36/00725 (2023.05); H04W 36/302 (2023.05); H04W 76/10 (2018.02); H04W 74/0833 (2013.01);
Abstract

This disclosure describes methods, systems, and devices for handover of a user equipment (UE) from a source node of a radio access network (RAN) to a target node of the RAN. In one example, a method involves receiving, by the UE and from the source node, a RACH-498 handover message comprising: (i) an uplink grant for establishing a connection with the target node, and (ii) an identifier of a reference signal associated with a beam of the target node. The method also involves performing, by the UE, a handover based on the RACH-less handover message.


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