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EXPLOITING SPATIAL DEGREES OF FREEDOM IN MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) RADIO SYSTEMS
EXPLOITING SPATIAL DEGREES OF FREEDOM IN MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) RADIO SYSTEMS
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机译:探索多输入多输出(MIMO)无线电系统中的空间自由度
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摘要
Methods and apparatuses, including computer program products, are provided for determining the null-space for a channel between a transmitter and an unintended receiver. In one aspect there is provided a method. The method may include transmitting, by a secondary transmitter, a plurality of learning signals, determining, for each of the plurality of learning signals, a value representative of an interference caused by the transmitting to an unintended receiver, determining, based on the determined values, a null-space for a channel between the secondary transmitter and the unintended receiver and transmitting, by the secondary transmitter, a signal in accordance with the determined null-space.
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