Method and system for minimizing effects of transmitter impairments in multiple input multiple output (MIMO) beamforming communication systems
US7664200B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2006 |
| Grant date | Feb 16, 2010 |
| Priority date | — |
| Expiry date | Dec 8, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L1/0631
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Aspects of a method and system for minimizing effects of transmitter impairments in multiple input multiple output (MIMO) beamforming communication systems are presented. In one aspect of a system for minimizing effects of transmitter impairments, a MIMO transmitter may enable nulling of transmitter-induced noise by adjusting at least a portion of a plurality of signals transmitted based on a transmitter error vector magnitude (EVM). The transmitter may enable transmission of the plurality of signals subsequent to the nulling. In another aspect of a system for minimizing effects of transmitter impairments a MIMO receiver may enable nulling of transmitter-induced noise contained in a plurality of received signals based on a transmitter EVM. Each of the plurality of received signals may include information contained in a plurality of spatial streams. The receiver may enable detecting estimated values for the information contained in the plurality of spatial streams based on the nulling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.