Community antenna system in the closed loop mode and the method thereof
US8134504B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2009 |
| Grant date | Mar 13, 2012 |
| Priority date | — |
| Expiry date | Jul 21, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B7/0626
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A community antenna system in a closed loop mode and a method thereof are provided, the system includes two groups of pre-weighting processing modules, beamforming modules and antenna arrays connected in turn. The method includes the following processes: performing the pre-weighting processing on a transmission signal respectively according to the channel information corresponding to each of two antenna arrays; determining beamforming weight vectors according to two groups of steering vectors corresponding to the two antenna arrays, and performing weighting processing on the two pre-weighting processed transmission signals respectively to form two directional beams directed to the receiving antenna of a target mobile terminal; and transmitting the two directional beams via two antenna arrays with orthogonal polarization modes respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.