Precoding and power allocation in Cognitive Radio networks
Dongmei Jiang, Haixia Zhang, Dongfeng Yuan, Feng Zhao · 2010
Cognitive Radio (CR) has attracted much attention for its ability allowing secondary users (SUs) to share the spectrum with licensed users (PUs). The precondition that PUs bear the coexistence of SUs is that the interference caused by SUs should be under a given threshold. Therefore the main challen