Message access for radio telecommunications system
US6992998B1 · kind B1 · utility
20Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 1999 |
| Grant date | Jan 31, 2006 |
| Priority date | — |
| Expiry date | Dec 10, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W74/0866
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A mobile for use in the UMTS is arranged, on activation to read the Broadcast Control Channel (BCCH) for all available preamble signatures; to store the signatures in its processor; to read the Acquisition Indication Channel (AICH) for acquisition indicators sent to other mobiles; to store usage of other mobiles against each signature; and to select when required a signature the recorded usage of which is unlikely to cause collisions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.