Handover method for reducing the amount of data forwarded to a target node
US9191870B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2009 |
| Grant date | Nov 17, 2015 |
| Priority date | — |
| Expiry date | Mar 15, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W36/02
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Method and arrangement in a source radio network node for reducing the amount of user equipment related data forwarded to a target radio network node, when performing a handover of a user equipment. The method comprises determining that the user equipment is to perform a handover from the source radio network node to the target radio network node, increasing the polling frequency of polls sent to the user equipment, transmitting a poll to the user equipment, receiving a status message from the user equipment, as a response to the transmitted poll, dropping the data which, according to the received status message have been acknowledged by the user equipment, and forwarding the data which have not been acknowledged by the user equipment according to the received status message, to the target radio network node.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.