Methods and apparatuses for random access procedure in medium access control layer
US11582807B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 6, 2020 |
| Grant date | Feb 14, 2023 |
| Priority date | — |
| Expiry date | Nov 6, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W74/0838
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method by a UE for performing a random access procedure is provided. The method comprises transmitting a MSGA, monitoring a MSGB-RNTI within a MSGB window starting from an earliest symbol of an earliest PDCCH occasion after the MSGA transmission, receiving the MSGB in a first slot, the MSGB including a success RAR that contains a HARQ Feedback Timing Indicator, a Physical Uplink Control Channel (PUCCH) Resource Indicator, and a UE Contention Resolution Identity, determining, by a MAC entity, to instruct a lower layer to transmit a HARQ feedback in a second slot in response to the reception of the success RAR, delivering, by the MAC entity, the HARQ Feedback Timing Indicator and the PUCCH Resource Indicator to the lower layer, and performing, by the lower layer, a HARQ feedback delivery on an uplink (UL) resource.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.