Adaptive OFDM for underwater acoustic channels with limited feedback

@article{Radosevic2011AdaptiveOF,
  title={Adaptive OFDM for underwater acoustic channels with limited feedback},
  author={Andreja Radosevic and Tolga M. Duman and John G. Proakis and Milica Stojanovic},
  journal={2011 Conference Record of the Forty Fifth Asilomar Conference on Signals, Systems and Computers (ASILOMAR)},
  year={2011},
  pages={975-980}
}
In this paper we analyze the performance of adaptive orthogonal frequency division multiplexing (OFDM) for underwater acoustic (UWA) communications. Our goal is to maximize the system throughput under a target average bit error rate (BER). We consider two different schemes based on the level of adaptivity: in the first scheme only the modulation levels are adjusted while the power is allocated uniformly across the sub-carriers, whereas in the second scheme, both the modulation levels and the… CONTINUE READING

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