Efficient Spectrum Leasing via Randomized Silencing of Secondary Users

@article{Taranto2010EfficientSL,
  title={Efficient Spectrum Leasing via Randomized Silencing of Secondary Users},
  author={Rocco Di Taranto and Petar Popovski and Osvaldo Simeone and Hiroyuki Yomo},
  journal={IEEE Transactions on Wireless Communications},
  year={2010},
  volume={9},
  pages={3739-3749}
}
In this paper, a primary (licensed) user leases part of its resources to independent secondary (unlicensed) terminals in exchange for a tariff in dollars per bit, under the constraint that secondary transmissions do not cause excessive interference at the primary receiver (PRX). The PRX selects a power allocation (PA) for the secondary user that maximizes the secondary rate (and thus its revenue) and enforces it by the following mechanism: Upon violation of a predefined interference level, PRX… CONTINUE READING

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