Multicast techniques for hybrid RF/FSO DTNs

  title={Multicast techniques for hybrid RF/FSO DTNs},
  author={Michael Atakora and Harsha Chenji},
  journal={IEEE/OSA Journal of Optical Communications and Networking},
Increasing the contact bandwidth in delay tolerant networks (DTNs) via multicopy routing leads to a decrease in data delivery delay and an improvement in throughput. In DTNs, in which nodes have both radio frequency (RF) and free space optical (FSO) PHY layers, contact bandwidth can be increased by using the FSO PHY as the data channel and performing multicasting. As we show in this paper, due to the highly directional nature of FSO, a naïve broadcast strategy where the beam divergence includes… CONTINUE READING


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