User equipment and method for transmitting message in multi-beam system
US10499349B2 · kind B2 · utility
3Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2018 |
| Grant date | Dec 3, 2019 |
| Priority date | — |
| Expiry date | Jun 12, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W72/0473
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and user equipment for transmitting a message of a random access procedure in a multi-beam system includes: transmitting and retransmitting a message 1 of the RA procedure through a first beam of a plurality of transmission beams of the UE based on power ramping; and retransmitting, if one or more Msg. 2 (RAR) is not successfully received corresponding to the message 1 transmission/retransmission, the message 1 through a second beam of the plurality of transmission beams after switching the first beam to the second beam at a second power level which is the same as or higher than a first power level of the first beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.