TR2013-047

Opportunistic Relaying for Cognitive Network with Multiple Primary Users over Nakagami-m Fading


    •  Duong, T.Q., Kim, K.J., Zepernick, H.-J., Tellambura, C., "Opportunistic Relaying for Cognitive Network with Multiple Primary Users over Nakagami-m Fading", IEEE International Conference on Communications (ICC), June 2013.
      BibTeX TR2013-047 PDF
      • @inproceedings{Duong2013jun,
      • author = {Duong, T.Q. and Kim, K.J. and Zepernick, H.-J. and Tellambura, C.},
      • title = {Opportunistic Relaying for Cognitive Network with Multiple Primary Users over Nakagami-m Fading},
      • booktitle = {IEEE International Conference on Communications (ICC)},
      • year = 2013,
      • month = jun,
      • url = {https://www.merl.com/publications/TR2013-047}
      • }
  • Research Area:

    Communications

Abstract:

The performance of cognitive spectrum sharing systems with opportunistic relay selection over Nakagami-m fading is analyzed in the presence of multiple primary users (PUs). In particular, we derive an exact closed-form expression for the outage probability (OP) of the considered cognitive relay systems under the joint impact of maximal transmit power Pt at secondary transmitter and peak interference power Ip at the primary user. Our general formulas cover several specific practical scenarios, e.g., where the maximal transmit power can be neglected compared to the peak interference power. In addition, a tractable expression for the asymptotic OP is also derived and reveals important insights into the system performance. We show that the number of PUs only affects the coding gain but not the diversity gain.

 

  • Related News & Events

    •  NEWS    ICC 2013: 3 publications by Chunjie Duan, Philip V. Orlik, Kyeong Jin Kim and others
      Date: June 9, 2013
      Where: IEEE International Conference on Communications (ICC)
      MERL Contact: Philip V. Orlik
      Brief
      • The papers "Cognitive Multihop Networks in Spectrum Sharing Environment with Multiple Licensed Users" by Kim, K.J., Duong, T.Q., Tsiftsis, T.A. and Bao, V.N.Q., "Opportunistic Relaying for Cognitive Network with Multiple Primary Users over Nakagami-m Fading" by Duong, T.Q., Kim, K.J., Zepernick, H-J and Tellambura, C. and "On Probabilistic Data Association for Achieving Near-Exponential Diversity over Fading Channels" by Yellepeddi, A., Kim, K.J., Duan, C. and Orlik, P. were presented at the IEEE International Conference on Communications (ICC).
    •