Invention Grant
US07664200B2 Method and system for minimizing effects of transmitter impairments in multiple input multiple output (MIMO) beamforming communication systems 有权
用于最小化多输入多输出(MIMO)波束成形通信系统中发射机损伤影响的方法和系统

Method and system for minimizing effects of transmitter impairments in multiple input multiple output (MIMO) beamforming communication systems
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.
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