User apparatus, and preamble transmission method
US10945225B2 · kind B2 · utility
2Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2018 |
| Grant date | Mar 9, 2021 |
| Priority date | — |
| Expiry date | Feb 1, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W74/0891
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A user apparatus in a radio communication system including a base station and the user apparatus, including: a reception unit configured to receive a plurality of predetermined signals transmitted from the base station by a plurality of beams; and a transmission unit configured to transmit a preamble using a resource corresponding to at least one beam of the plurality of beams, wherein the reception unit measures a reception quality for each of the plurality of beams, and the transmission unit transmits the preamble using a resource corresponding to a beam of a reception quality that satisfies a predetermined condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.