Base station apparatus, user equipment, and communication control method in mobile communication system
US8811506B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2013 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Feb 14, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B7/0665
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A disclosed base station apparatus is capable of communicating with a user equipment terminal in a multi-input multi-output (MIMO) mobile communication system using Pre-coding. The base station apparatus includes a receiving unit receiving a Pre-coding Matrix Indicator (PMI) indicating a specific Pre-coding matrix, a determination unit determining a value of a flag indicator indicating whether the Pre-coding matrix specified in the PMI is to be used for downlink communications, a control signal generation unit generating a downlink control signal including at least the flag indicator, and a transmission unit transmitting a signal including the downlink control signal in downlink.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.