High rate packet data spatial division multiple access (SDMA)
US7894402B2 · kind B2 · utility
1Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 2005 |
| Grant date | Feb 22, 2011 |
| Priority date | — |
| Expiry date | Apr 17, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W52/40
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Spatial Division Multiple Access (SDMA) may be implemented in both the forward and reverse link directions through the use of, for example, a sector-wide primary pilot channel and one or more beamformed secondary pilot channels (secondary pilot channel).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.