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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.:

US 12777378 B1

PDFFull Text
Date of Patent:
Oct. 27, 2026

Filed:

Jun. 28, 2024

Method for handover key management with next generation networks and a system thereof

Applicant:

Interdigital Patent Holdings, Inc., Wilmington, DE (US);

Inventors:

Zhibi Wang, Woodridge, IL (US);

Samir Ferdi, Kirkland, CA;

Taimoor Abbas, Sainte-Julie, CA;

Rocco Di Girolamo, Laval, CA;

Mohamad Kenan Al-Hares, Canterbury, GB;

Ulises Olvera-Hernandez, Saint-Lazare, CA;

Assignee:

InterDigital Patent Holdings, Inc., Wilmington, DE (US);

Attorney:

Volpe Koenig

Primary Examiner:

Duc C Ho

Int. Cl.
CPC ...
H04W 36/00 (2009.01); H04W 12/043 (2021.01); H04W 76/20 (2018.01);
U.S. Cl.
CPC ...
H04W 36/0038 (2013.01); H04W 12/043 (2021.01); H04W 36/008355 (2023.05); H04W 76/20 (2018.02);
Abstract

Methods and apparatuses for handover key management are provided according to one or more embodiments. A wireless transmit/receive unit (WTRU) may be handed over from a source base station to a target base station. The source base station may request a handover to a WTRU context management function (UCF). The UCF may generate a freshness parameter associated with the target base station. The UCF may utilize the freshness parameter to generate one or more access stratum (AS) keys. The freshness parameter may be provided to the WTRU by the UCF via the source base station. The WTRU may also utilize the freshness parameter to generate the one or more AS keys. The one or more AS keys may be securely shared with the target base station. The one or more AS keys may be utilized for securing an AS communication between the WTRU and the target base station.

Find Patent Forward Citations

Wang, Zhibi. (2026). Method for handover key management with next generation networks and a system thereof (U.S. Patent No. 12777378). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12777378

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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