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An Overview on 3GPP Device-to-Device Proximity Services

Device-to-device (D2D) communication will likely be added to LTE in 3GPP Release 12. In principle, exploiting direct communication between nearby mobile devices will improve spectrum utilization, overall throughput, and energy consumption, while enabling new peer-to-peer and location-based applications and services. D2D-enabled LTE devices can also become competitive for fallback public safety networks, that must function when cellular networks are not available, or fail. Introducing D2D poses many challenges and risks to the long-standing cellular architecture, which is centered around the base station. We provide an overview on D2D standardization activities in 3GPP, identify outstanding technical challenges, draw lessons from initial evaluation studies, and summarize "best practices" in the design of a D2D-enabled air interface for LTE-based cellular networks.

preprint2013arXivOpen access
Xingqin LinJeffrey G. AndrewsAmitava GhoshRapeepat Ratasuk
Networking and Internet Architecture
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Xingqin LinJeffrey G. AndrewsAmitava GhoshRapeepat Ratasuk

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