US 11,792,172 B2
Privacy indicators for controlling authentication requests
Suresh P. Nair, Whippany, NJ (US); Anja Jerichow, Grafing (DE); and Annett Seefeldt, Berlin (DE)
Assigned to NOKIA TECHNOLOGIES OY, Espoo (FI)
Filed by Nokia Technologies Oy, Espoo (FI)
Filed on Oct. 26, 2017, as Appl. No. 15/794,856.
Claims priority of provisional application 62/502,266, filed on May 5, 2017.
Prior Publication US 2018/0324585 A1, Nov. 8, 2018
Int. Cl. H04L 9/40 (2022.01); H04W 12/02 (2009.01); H04W 12/033 (2021.01); H04W 12/041 (2021.01); H04W 12/069 (2021.01)
CPC H04L 63/0442 (2013.01) [H04L 63/06 (2013.01); H04L 63/083 (2013.01); H04L 63/0876 (2013.01); H04W 12/02 (2013.01); H04W 12/033 (2021.01); H04W 12/041 (2021.01); H04W 12/069 (2021.01)] 32 Claims
OG exemplary drawing
 
1. A method comprising:
determining, at a network entity in a communication network, one or more privacy features supported by the communication network, the one or more privacy features comprising an indication of whether the communication network is configured to handle privacy-protected subscription identifiers;
generating, at the network entity in the communication network, a System Information Message comprising a Master Information Block or a System Information Block, the System Information Message further comprising one or more privacy indicators selected based on the determined one or more privacy features, the one or more privacy indicators comprising a field indicating whether the communication network is configured to handle the privacy-protected subscription identifiers;
sending, from the network entity, to the plurality of user equipment, the System Information Message comprising the one or more privacy indicators;
receiving, in response to the System Information Message, at the network entity, from at least a portion of the plurality of user equipment, one or more registration requests comprising respective privacy-protected subscription identifiers;
processing the one or more registration requests to determine respective subscription identifiers; and
identifying one or more Home Subscriber Servers (HSS) or one or more User Data Management (UDM) functions to which to provide the one or more registration requests.