VoWLAN call handover method, UE and core network node
US10057829B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 24, 2014 |
| Grant date | Aug 21, 2018 |
| Priority date | — |
| Expiry date | Apr 9, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/12
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to VoWLAN call handover solutions. In one embodiment the method comprising: making a voice call through a Wireless Local Area Network (WLAN) under whose coverage the UE is located, with a Packet Data Network (PDN) address obtained from a PDN to which the WLAN is connected; determining that a signal quality of the WLAN is not suitable for the voice call anymore; and sending the PDN address to a base station of a mobile communication network covering the UE, for facilitating a core network node of the mobile communication network to perform voice call handover from WLAN to the mobile communication network. The present disclosure also provides a UE and a core network node for implementing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.