Opportunistic Spectrum Sharing Based on Full-Duplex Cooperative OFDM Relaying

  title={Opportunistic Spectrum Sharing Based on Full-Duplex Cooperative OFDM Relaying},
  author={Weidang Lu and Jing Wang},
  journal={IEEE Communications Letters},
In this paper, we propose an opportunistic spectrum sharing protocol where the secondary system can access to the licensed spectrum of the primary system based on full-duplex (FD) cooperative OFDM relaying. The secondary transmitter STb which provides the best primary performance is selected to forward the primary signal. Specifically, in the first phase, STb receives primary signal on some particular subcarriers. In the second phase, STb serves as a decode-and-forward (DF) relay by using a… CONTINUE READING
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