Low-complexity channel estimation in large-scale MIMO using polynomial expansion

  title={Low-complexity channel estimation in large-scale MIMO using polynomial expansion},
  author={Nafiseh Shariati and Emil Bj{\"o}rnson and Mats Bengtsson and M{\'e}rouane Debbah},
  journal={2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC)},
This paper considers pilot-based channel estimation in large-scale multiple-input multiple-output (MIMO) communication systems, also known as “massive MIMO”. Unlike previous works on this topic, which mainly considered the impact of inter-cell disturbance due to pilot reuse (so-called pilot contamination), we are concerned with the computational complexity… CONTINUE READING

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