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:
Jul. 07, 2026
Filed:
May. 12, 2023
Applicant:
Arrcus Inc., San Jose, CA (US);
Inventors:
Tetsuya Murakami, Sunnyvale, CA (US);
Keyur Patel, San Jose, CA (US);
Assignee:
Arrcus Inc., San Jose, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04W 12/122 (2021.01);
U.S. Cl.
CPC ...
H04W 12/122 (2021.01);
Abstract
Prevention of SIM spoofing in mobile user plane. A system includes a session management function (SMF) within a radio access network and a user plane function (UPF) within the radio access network, wherein the UPF communicates with the SMF. The system includes a packet forwarding control protocol (PFCP) proxy between the SMF and the UPF, wherein the PFCP proxy snoops PFCP messages between the SMF and the UPF.