Method and arrangement for improving null depths
US6236364A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1999 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Sep 29, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q3/2611
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
To improve null depths in an antenna pattern of a first polarization, formed with nulls in at least one angular region, a further antenna pattern of a second polarization, substantially orthogonal to the first polarization, is concurrently formed. In the angular region, the amplitudes of the copolar components of the further antenna pattern are substantially equal to the amplitudes of the crosspolar components of the antenna pattern of the first polarization, and the phases of the copolar components of the further antenna pattern of the second polarization are substantially opposite to the phases of the crosspolar component of the first polarization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.