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With the rapid development of mobile communication technology, the pressure of core network from wireless traffic is explosively growing. Meanwhile, ultra-low latency and real-time user experience are urgently demanded, which gives raise to the severe challenge of traditional cellular networks. As one of the key technologies in 5G, device-to-device (D2D) communication underlaying cellular networks...
The split control and user plane is key to the future heterogeneous cellular network (HCN), where the small cells are dedicated for the most data transmission while the macrocells are mainly responsible for the control signaling. Adapting to this technology, we propose a general and tractable framework of extra cell range expansion (CRE) by introducing an additional bias factor to enlarge the range...
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