Multiple-access multiple-input multiple-output (MIMO) communication system
US7636573B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2006 |
| Grant date | Dec 22, 2009 |
| Priority date | — |
| Expiry date | Jul 12, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L1/0693
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Techniques to achieve better utilization of the available resources and robust performance for the downlink and uplink in a multiple-access MIMO system. Techniques are provided to adaptively process data prior to transmission, based on channel state information, to more closely match the data transmission to the capacity of the channel. Various receiver processing techniques are provided to process a data transmission received via multiple antennas at a receiver unit. Adaptive reuse schemes and power back-off are also provided to operate the cells in the system in a manner to further increase the spectral efficiency of the system (e.g., reduce interference, improve coverage, and attain high throughput). Techniques are provided to efficiently schedule data transmission on the downlink and uplink. The scheduling schemes may be designed to optimize transmissions (e.g., maximize throughput) for single or multiple terminals in a manner to meet various constraints and requirements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.