System and method for dynamically counteracting sway in active antenna towers
US5894291A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 5, 1996 |
| Grant date | Apr 13, 1999 |
| Priority date | — |
| Expiry date | Dec 5, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/1242
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
For use with an antenna tower, the antenna tower providing a mount for an active antenna that is subject to misdirection when the antenna tower sways, a system for, and method of, dynamically counteracting sway in the antenna tower. The system includes: (1) a rotation detector that senses a rotation, relative to a fixed reference plane, of a portion of the antenna tower proximate the active antenna and develops a sway signal indicative thereof and (2) antenna beam steering logic, coupled to the rotation detector, that receives the sway signal and modifies a drive signal provided to elements of the active antenna to redirect a beam projecting therefrom, the drive signal thereby compensated for the rotation to counteract the sway in the antenna tower. The system may form a portion of a wireless communications station.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.