Data forwarding method and device
US9872208B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2013 |
| Grant date | Jan 16, 2018 |
| Priority date | — |
| Expiry date | Jul 31, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W36/04
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Disclosed are a data forwarding method and device, used for solving the problem that a communication interruption risk is generated when a user equipment (UE) is handed over in an existing hierarchical network. The method comprises: a source macro base station obtaining serial number sending state information of PDCP data packets, in uplink and downlink directions, of a local base station currently accessed by a UE, a control plane of the UE being connected to the source macro base station, and a user plane being connected to the local base station; and the source macro base station sending the serial number sending state information to a target base station that the UE is to be handed over to, and the target base station establishing a user plane connection to the UE according to the serial number sending state information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.