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:
Dec. 28, 2020
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Patrik Salmela, Espoo, FI;
Vesa Lehtovirta, Espoo, FI;
Telefonaktiebolaget LM Ericsson (Publ), Stockholm, SE;
Abstract
Communication equipment () generates an inner subscription concealed identifier (C). Generating the inner subscription concealed identifier (C) includes concealing at least a part of a subscription identifier (S) using cryptographic key material (K) associated with a first communication network (), e.g., a non-public network. The subscription identifier (S) identifies a subscription to the first communication network (). The communication equipment () generates an outer subscription concealed identifier (C). Generating the outer subscription concealed identifier (C) includes concealing the inner subscription concealed identifier (C) using cryptographic key material (K) associated with a second communication network (), e.g., a public network. The communication equipment () transmits the outer subscription concealed identifier (C).