D2D Communications: Technology and Prospect

Speaker:  Abhishek Roy – San Francisco, United States
Topic(s):  Networks and Communications


Next generation 5G networks contemplate to exploit millimeter Wave (mmWave) for a massive increase in data rates but its inherent characteristic of line-of-sight (LoS) brings up the challenge of directional synchronization of transmitters and receivers. Device-to-device (D2D) communication facilitates two users in close proximity to communicate directly, bypassing the Evolved Node B (eNB). It provides several advantages like increased spectral efficiency, energy efficiency, decreased transmission delay, and traffic offloading from eNBs. Native support of D2D communications in the emerging fifth generation cellular systems raises significant challenges, like interference, mode selection, resource allocation, and security. Ratification of standards and collaborative research works between industries and academia are now focusing to gradually resolve these challenges. In this lecture, we will talk about various classification schemes of major research works in D2D communications on the basis of frequency and control. Subsequently, major D2D architectures, protocols, and relevant applications will be discussed. We will also discuss and review the analysis techniques and point out open research challenges.

About this Lecture

Number of Slides:  27
Duration:  60 minutes
Languages Available:  English
Last Updated: 

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