Optimizing power efficiency of OFDM using quantized channel state information

@article{Marques2006OptimizingPE,
  title={Optimizing power efficiency of OFDM using quantized channel state information},
  author={Antonio Garcia Marques and Fadel F. Digham and Georgios B. Giannakis},
  journal={IEEE Journal on Selected Areas in Communications},
  year={2006},
  volume={24},
  pages={1581-1592}
}
Emerging applications involving low-cost wireless sensor networks motivate well optimization of orthogonal frequency-division multiplexing (OFDM) in the power-limited regime. To this end, the present paper develops loading algorithms to minimize transmit-power under rate and error probability constraints, using three types of channel state information at the transmitter (CSIT): deterministic (per channel realization) for slow fading links, statistical (channel mean) for fast fading links, and… CONTINUE READING
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