Node and method for generating beamformed for downlink communications
US9236916B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2012 |
| Grant date | Jan 12, 2016 |
| Priority date | — |
| Expiry date | Dec 3, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L5/0023
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Example embodiments presented herein are directed towards an eNodeB, and method therein, for generating downlink communications in a multiple antenna system. The method comprises transmitting, to a number of user equipments, a plurality of reference signals, where each signal is beamformed in a distinct direction within at least one correlated domain (e.g., elevation and/or azimuth). The eNodeB receives at least one CSI report from a specific user equipment and determines a primary reference signal based on, for example, the at least one CSI report. The eNodeB may thereafter generate downlink communication signals for antenna element(s) and/or subelements of the multiple antenna system. The downlink communication signals are beamformed into a transmitting direction that aligns most closely with a beamforming direction of the at least one primary reference signal, as compared to any other beamforming direction of the reference signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.