Adaptive spreading factor based on power control
US6717931B2 · kind B2 · utility
2Cited by
6References
44Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 2, 2002 |
| Grant date | Apr 6, 2004 |
| Priority date | — |
| Expiry date | Mar 21, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W52/225
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Near-far effect fading is counteracted by changing the spreading factor used for uplink channel spreading. The determination that a radio uplink channel power fade exists can be made in either the radio access network or the mobile station.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.