Terminal apparatus, base station apparatus, communication method, and integrated circuit
US10979951B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 8, 2017 |
| Grant date | Apr 13, 2021 |
| Priority date | — |
| Expiry date | Dec 15, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W36/08
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A terminal apparatus applies, in a case that a handover command is received, and the handover command includes skip information (rach-Skip) for indicating that a random access procedure for a target primary cell is skipped, a value of NTA indicated by target TA information (targetTA) included in the skip information (rach-Skip) to a target primary Timing Advance Group (TAG) after synchronization with a downlink of the target primary cell is initiated, and starts a Time Alignment (TA) timer associated with the target primary TAG.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.