Journal Article10.1109/COMST.2014.2375934
Device-to-Device Communication in LTE-Advanced Networks: A Survey
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TL;DR: A comprehensive survey of available D2D related research works ranging from technical papers to experimental prototypes to standard activities is provided, and some open research problems which deserve further studies are outlined.
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Abstract: Among the LTE-A communication techniques, Device-to-Device (D2D) communication which is defined to directly route data traffic between spatially closely located mobile user equipments (UEs), holds great promise in improving energy efficiency, throughput, delay, as well as spectrum efficiency As a combination of ad-hoc and centralized communication mechanisms, D2D communication enables researchers to merge together the long-term development achievements in previously disjoint domains of ad-hoc networking and centralized networking To help researchers to have a systematic understanding of the emerging D2D communication, we provide in this paper a comprehensive survey of available D2D related research works ranging from technical papers to experimental prototypes to standard activities, and outline some open research problems which deserve further studies
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TL;DR: The 3GPP Long Term Evolution system is used as a baseline for D2D design, some of the key design challenges are reviewed, and solution approaches that allow cellular devices and D1D pairs to share spectrum resources and thereby increase the spectrum and energy efficiency of traditional cellular networks are proposed.
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