Practical bit loading schemes for multiantenna multiuser wireless OFDM systems

@article{Bartolom2004PracticalBL,
  title={Practical bit loading schemes for multiantenna multiuser wireless OFDM systems},
  author={Diego Bartolom{\'e} and A. I. Perez-Neira and Christian Ibars},
  journal={Conference Record of the Thirty-Eighth Asilomar Conference on Signals, Systems and Computers, 2004.},
  year={2004},
  volume={1},
  pages={1030-1034 Vol.1}
}
This paper deals with practical multiantenna multiuser OFDM systems. With the additional degrees of freedom of multiple antennas and multiple subcarriers, the performance might be enhanced, but the scheduling complexity might increase exponentially. Since the scheduling with realistic integer signal mappings is an NP-complete combinatorial problem, suboptimum solutions based on the scalar product are good candidates to yield a fast and realizable practical implementation. We propose afterwards… CONTINUE READING

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