Fast WiFi to LTE handover
US9497667B2 · kind B2 · utility
1Cited by
0References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2014 |
| Grant date | Nov 15, 2016 |
| Priority date | — |
| Expiry date | Sep 11, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W36/1446
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A network node, and a method at the network node, for handing over a mobile terminal between a first RAT and a second RAT in a wireless communications network. In some embodiments, the method comprises establishing a PDN connection with the mobile terminal via the first RAT, receiving a request for handover of the mobile terminal from the first RAT to the second RAT, performing the requested handover, maintaining PDN connection context for the PDN connection established via the first RAT for a time period, and releasing the PDN connection context at expiry of the time period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.