Opportunistic Channel Access and RF Energy Harvesting in Cognitive Radio Networks

  title={Opportunistic Channel Access and RF Energy Harvesting in Cognitive Radio Networks},
  author={Dinh Thai Hoang and Dusit Niyato and Ping Wang and Dong In Kim},
  journal={IEEE Journal on Selected Areas in Communications},
Radio frequency (RF) energy harvesting is a promising technique to sustain operations of wireless networks. In a cognitive radio network, a secondary user can be equipped with RF energy harvesting capability. In this paper, we consider such a network where the secondary user can perform channel access to transmit a packet or to harvest RF energy when the selected channel is idle or occupied by the primary user, respectively. We present an optimization formulation to obtain the channel access… CONTINUE READING
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