Handover in unlicensed band
US11412422B2 · kind B2 · utility
5Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2020 |
| Grant date | Aug 9, 2022 |
| Priority date | — |
| Expiry date | Mar 22, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W74/0838
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A wireless device receives a radio resource control message from a base station that indicates a handover from a first cell of the first base station to a second cell of a second base station. During the handover, a DCI from the second base station is received that indicates a random access channel occasion. The random access channel occasion is determined and used to transmit a preamble to the second base station. Once a response to the preamble is received, the wireless device transmits a message to the second base station to indicate a completion of the handover.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.