PRACH access control method, and access method and device
US10624123B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Sep 15, 2015 |
| Grant date | Apr 14, 2020 |
| Priority date | — |
| Expiry date | Mar 10, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W74/0841
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Provided are a PRACH access control method, access method and device. The PRACH access control method includes: receiving a PRACH preamble serial number transmitted by a terminal in each subframe of a virtual access frame; obtaining a PRACH access serial number of the terminal based on the received PRACH preamble serial number according to a mapping, which is predetermined with the terminal, between PRACH preamble serial numbers and PRACH access serial numbers; and transmitting the obtained PRACH access serial number to the terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.