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One of the goals of 5G is to simplify the 4G core network and enable interworking across multiple Radio Access Technologies (RATs) without the addition of specialized network elements, protocols and interfaces that perform often redundant functions for each access technology. Achieving this reduces operator costs, and can improve the subscriber experience when devices can access multiple RATs. In...
Cellular communications have witnessed an exponential growth over the last few years. The challenges the industry faces for the next decade arise the need for significant changes, i.e., new paradigms away from just incremental advances in the current technologies. Network densification and high frequency communications are widely-recognized as cornerstones of this revolution. Understanding the needs...
Device to device (D2D) communication is expected to be an important aspect in future 5G communication systems. To this end, D2D has been identified as an important topic in the EU flagship project METIS, wherein commercial D2D use cases are also considered. In principle, direct D2D communication offers the double benefit of low latency and high data rate at the same time. Interference mitigation and...
Communications play an important role during public safety operations. Since the current communication technologies heavily rely on the backbone network, the failure of base stations (BSs) due to natural disasters or malevolent attacks causes communication difficulties for public safety and emergency communications. Recently, the use of unmanned aerial vehicles (UAVs) such as quadcopters and unmanned...
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