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APPARATUS AND METHOD FOR IMPROVING COMMUNICATION BETWEEN A PLURALITY OF TRANSMITTERS AND A MULTI-ANTENNA DIGITAL RECEIVER USING LOW-ACCURACY ANALOG-TO-DIGITAL CONVERTERS
APPARATUS AND METHOD FOR IMPROVING COMMUNICATION BETWEEN A PLURALITY OF TRANSMITTERS AND A MULTI-ANTENNA DIGITAL RECEIVER USING LOW-ACCURACY ANALOG-TO-DIGITAL CONVERTERS
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机译：利用低精度模拟-数字转换器改善发射机和多天线数字接收器之间通信的装置和方法
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摘要
The present invention relates to a multi-antenna digital receiver comprising receiving antenna elements, an ADC unit which receives input signals, and a DSP unit. The ADC unit determines, for each input signal a corresponding discrete-time folded signal by applying a modulo operation to the input signal or to a function thereof, and generates a quantized signal based on the discrete-time folded signal. The DSP unit comprises a joint reconstruction block, which jointly processes the quantized signals or a subset thereof to generate output signals. Each of the output signals is a digital representation of a linear combination of the discretetime folded signals. A digital control block in the DSP unit generates a control signal for controlling the modulo operation and determines the coefficients of the linear combinations to maximize a utility function measuring a QoS of a communication between a transmitter connected to the digital receiver and the digital receiver.
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