Variable sectorization tower top applique for base stations
US6504517B1 · kind B1 · utility
13Cited by
12References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2000 |
| Grant date | Jan 7, 2003 |
| Priority date | — |
| Expiry date | Sep 12, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q3/30
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An apparatus and method of adaptive sectorization that is amiable to CDMA environments using an antenna configuration and a phase shifter network that can form a variable width beam over which a pilot signal and other downlink signals may be transmitted. The antenna configuration having at least an antenna sub-array with two or more antenna elements. The phase shifter network having a plurality of switches for adjusting beam width by directing signals to be transmitted over one or more of the antenna elements, and phase shifters for shifting phases of the signals to be transmitted over the one or more antenna elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.