Control plane for multi-SIM devices
US12363523B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2019 |
| Grant date | Jul 15, 2025 |
| Priority date | — |
| Expiry date | Aug 24, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/06
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A user equipment (UE) includes a first subscriber identification module (SIM) and a second SIM. The UE is configured to establish a first cellular network connection based on, at least, the first SIM and a second cellular network connection based on, at least, the second SIM. The UE sends, by the first SIM, a first registration request to the network, wherein the first registration request comprises an identification indicating the multi-SIM device is a type of multi-SIM device, receives, by the first SIM, a first registration accept message indicating the first registration request has been accepted, wherein the first registration accept message comprises a first temporary identification for the first SIM and sends, by the second SIM, an access network message comprising one of the first temporary identification or a further temporary identification based on, at least, the first temporary identification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.