Density tapered transmit phased array
US6404404B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2000 |
| Grant date | Jun 11, 2002 |
| Priority date | — |
| Expiry date | Jul 31, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q23/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A phased antenna array (60) for use on a satellite, that employs a density tapering technique for positioning the antenna elements (62) in the array (60) to reduce co-channel interference between adjacent cells. Particularly, the spatial position of the various antenna elements (62) in the array (60) are spread out so that the center portion of the array (60) has the highest density of elements (62), and the outer portion of the array (60) has the lowest density of elements (62). Predetermined schemes are used to set the density of the elements (62) in the array (60). By providing fewer antenna elements (62) at the outer portion of the array (60), the beam side lobes are reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.