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In this paper, two techniques to compensate inphase/quadrature-phase imbalance (IQI) are investigated in the uplink-quantized massive multiple-input and multiple-output (MIMO) systems for different models of randomized IQI parameters. One is referred to as combined-signal-based channel estimation and compensation (CCEC) and the other is denoted by effective channel estimation and compensation (ECEC)...
In this study, two techniques for compensating in-phase/quadrature-phase imbalance (IQI), which are joint estimation and compensation (JEC) and separated estimation and compensation (SEC), have been investigated in the uplink quantized massive MIMO systems. Taking the impacts of both quantization and IQI into consideration, we have expressed the details of the channel estimation and IQI compensation...
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