Hitless software upgrade for a virtualized gateway coordinating multiple small cell radio access networks
US10129805B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 14, 2016 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Jul 24, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W52/40
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for upgrading an access controller that controls and coordinates a plurality of radio nodes (RNs) each associated with a cell in a cluster of cells belonging to a radio access network includes initializing a new access controller. The new access controller is to replace a current access controller currently controlling and coordinating the plurality of RNs cell in the cluster. A most lightly loaded one of the plurality of RNs is identified. All UEs currently attached to the identified RN is caused to be handed off to a neighboring cell in the cluster. After all the UEs have been handed-off from the identified RN, the identified RN is rebooted so that it is being controlled and coordinated by the new access controller. The steps of causing the UEs to be handed-off and rebooting the identified RN are repeated for a second one of the plurality of RNs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.