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most cited3D Placement of an Unmanned Aerial Vehicle Base Station for Maximum Coverage of Users with Different QoS Requirements

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cs.IT2013

On the Coexistence of a Primary User with an Energy Harvesting Secondary User: A Case of Cognitive Cooperation

Ahmed El Shafie, Tamer Khattab, Amr El-Keyi +1

In this paper, we consider a cognitive scenario where an energy harvesting secondary user (SU) shares the spectrum with a primary user (PU). The secondary source helps the primary…