Scaling laws of sum rate using time-sharing, DPC, and beamforming for MIMO broadcast channels

@article{Sharif2004ScalingLO,
  title={Scaling laws of sum rate using time-sharing, DPC, and beamforming for MIMO broadcast channels},
  author={M. F. Mohd Sharif and Babak Hassibi},
  journal={International Symposium onInformation Theory, 2004. ISIT 2004. Proceedings.},
  year={2004},
  pages={175-}
}
This paper derives scaling laws of the sum rate throughput for MIMO Gaussian broadcast channels using time-sharing to the strongest user, dirty paper coding (DPC), and beamforming when the number of users (receivers) n is large. Assuming a fixed total average transmit power, we show that for a system with M transmit antennas and users equipped with N antennas, the sum rate scales like M log log nTV for DPC and beamforming when M is fixed and for any N (either growing to infinity or not). On the… CONTINUE READING
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Dirty paper coding vs. TDMA for MIMO broadcast channels

2004 IEEE International Conference on Communications (IEEE Cat. No.04CH37577) • 2004
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Scaling laws of sum rate of time sharing, DPC, and beamforming for MIMO BC with Many Users

M. Sharif, B. Hassibi
submitted to IEEE Trans. comm., 2004. ISIT 2004, Chicago, USA, June 27 – July 2, 2004 • 2004

Sum capacity of Gaussian vector broadcast channels

IEEE Transactions on Information Theory • 2004
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