Rate bounds for MIMO relay channels using precoding

  title={Rate bounds for MIMO relay channels using precoding},
  author={Caleb K. Lo and Sriram Vishwanath and Robert W. Heath},
  journal={GLOBECOM '05. IEEE Global Telecommunications Conference, 2005.},
  pages={5 pp.-}
Relay channels plays a central role in next-generation multihop wireless systems. This paper considers the MIMO relay channel where multiple antennas are employed by each terminal. New lower bounds on the capacity of a Gaussian MIMO relay channel are derived under the assumption that the transmitter employs either superposition coding or dirty-paper coding. The proposed lower bounds improve on a previously proposed lower bound that arises from a simple transmit strategy. 
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On the capacity of MIMO relay channels

  • B. Wang, J. Zhang, A. Host-Madsen
  • IEEE Trans. Inform. Theory,
  • 2005
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