Support of CS fallback in an evolved packet system
US11553380B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Oct 3, 2013 |
| Grant date | Jan 10, 2023 |
| Priority date | — |
| Expiry date | Oct 3, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W36/00224
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An embodiment of the present invention is a method for support of Circuit Switched (CS) fallback in an Evolved Packet System (EPS), said support including moving a User Equipment (UE) from an evolved Radio Access Network (RAN) to a legacy RAN for access to CS domain services, and moving back said UE from said legacy RAN to said evolved RAN at termination of said CS domain services, said support including moving back said UE to said evolved RAN in the Public Land Mobile Network (PLMN) that was serving said UE over said evolved RAN before moving said UE to said legacy RAN.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.