Data-Aided Channel Estimation in Large Antenna Systems

  title={Data-Aided Channel Estimation in Large Antenna Systems},
  author={Junjie Ma and Li Ping},
  journal={IEEE Transactions on Signal Processing},
This paper is concerned with a uplink scheme for multicell large antenna systems. We study a channel estimation technique where partially decoded data is used to estimate the channel. We show that there are two types of interference components in this scheme that do not vanish even when the number of antennas grows to infinity. The first type, referred to as cross-contamination, is due to the correlation among the data signals from different users. The second type, referred to as self… CONTINUE READING
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