Capacity Limits and Multiplexing Gains of MIMO Channels with Transceiver Impairments

  title={Capacity Limits and Multiplexing Gains of MIMO Channels with Transceiver Impairments},
  author={Emil Bj{\"o}rnson and P. Zetterberg and M. Bengtsson and B. Ottersten},
  journal={IEEE Communications Letters},
  • Emil Björnson, P. Zetterberg, +1 author B. Ottersten
  • Published 2013
  • Computer Science, Mathematics
  • IEEE Communications Letters
  • The capacity of ideal MIMO channels has a high-SNR slope that equals the minimum of the number of transmit and receive antennas. This letter analyzes if this result holds when there are distortions from physical transceiver impairments. We prove analytically that such physical MIMO channels have a finite upper capacity limit, for any channel distribution and SNR. The high-SNR slope thus collapses to zero. This appears discouraging, but we prove the encouraging result that the relative capacity… CONTINUE READING
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