Analysis and Augmented Spatial Processing for Uplink OFDMA MU-MIMO Receiver With Transceiver I/Q Imbalance and External Interference

@article{Hakkarainen2016AnalysisAA,
  title={Analysis and Augmented Spatial Processing for Uplink OFDMA MU-MIMO Receiver With Transceiver I/Q Imbalance and External Interference},
  author={Aki Hakkarainen and J. Werner and K. Dandekar and M. Valkama},
  journal={IEEE Transactions on Wireless Communications},
  year={2016},
  volume={15},
  pages={3422-3439}
}
  • Aki Hakkarainen, J. Werner, +1 author M. Valkama
  • Published 2016
  • Computer Science, Mathematics
  • IEEE Transactions on Wireless Communications
  • This paper addresses receiver (RX) signal processing in multiuser multiple-input multiple-output (MU-MIMO) systems. We focus on uplink orthogonal frequency-division multiple access (OFDMA)-based MU-MIMO communications under in-phase/quadrature (I/Q) imbalance in the associated radio frequency electronics. It is shown in the existing literature that transceiver I/Q imbalances cause cross-talk of mirror-subcarriers in OFDM systems. As opposed to typically reported single-user studies, we extend… CONTINUE READING
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