US 12,089,177 B2
Registering with a mobile network through another mobile network
Apostolis Salkintzis, Athens (GR); Genadi Velev, Darmdstadt (DE); Dimitrios Karampatsis, Ruislip (GB); and Roozbeh Atarius, La Jolla, CA (US)
Assigned to Lenovo (Singapore) Pte. Ltd., New Tech Park (SG)
Appl. No. 17/764,514
Filed by Lenovo (Singapore) PTE. LTD., New Tech Park (SG); Apostolis Salkintzis, Athens (GR); Genadi Velev, Darmdstadt (DE); Dimitrios Karampatsis, Ruislip (GB); and Roozbeh Atarius, La Jolla, CA (US)
PCT Filed Nov. 8, 2019, PCT No. PCT/EP2019/080744
§ 371(c)(1), (2) Date Mar. 28, 2022,
PCT Pub. No. WO2021/089177, PCT Pub. Date May 14, 2021.
Prior Publication US 2022/0346051 A1, Oct. 27, 2022
Int. Cl. H04W 60/00 (2009.01); H04W 12/06 (2021.01); H04W 76/10 (2018.01)
CPC H04W 60/00 (2013.01) [H04W 12/06 (2013.01); H04W 76/10 (2018.02)] 19 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a transceiver that communicates with a first mobile communication network, wherein the apparatus is registered with the first mobile communication network; and
a processor that:
determines to register with a second mobile communication network via the first mobile communication network;
sends a request to establish a data connection with the first mobile communication network, the request including an identifier of the second mobile communication network;
receives a command from the first mobile communication network, the command initiating an authentication procedure with the first mobile communication network and a registration procedure for registering the apparatus with the second mobile communication network;
exchanges a plurality of authentication messages with the first mobile communication network, wherein each of the plurality of authentication messages contains a signaling message for registering the apparatus with the second mobile communication network; and
completes the registration with the second mobile communication network via the data connection in response to successfully establishing the data connection.