Three-dimensional beamforming in a mobile communications network
US9369849B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2012 |
| Grant date | Jun 14, 2016 |
| Priority date | — |
| Expiry date | Apr 12, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B7/0452
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Radio conditions of a user equipment in a sector of a mobile communications network are detected and the user equipment is allocated to a group of several groups of user equipments based on the radio conditions of the user equipment. The several groups include a first group of user equipments applying user equipment-specific horizontal beamforming and sector-specific vertical beamforming, a second group of user equipments applying user equipment-specific vertical beamforming and sector-specific horizontal beamforming, and a third group of user equipments applying user equipment-specific vertical beamforming and user equipment-specific horizontal beamforming. When the user equipment acquires a signaling message including a measurement set of reference signal ports for obtaining channel state information from the user equipment, it identifies an allocation scheme of the reference signal ports in the measurement set and generates the channel state information based on the measurement set using the allocation scheme.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.