A STATE OF THE ART SURVEY ON 3GPP STANDARDIZATION

Abstract

Device-to-device (D2D) connectivity in a cellular network is increasingly transforming into a viable method of information exchange. This has a very low end-to-end latency and can improve a cellular network's spectral quality. The new 3GPP specification releases have given significant attention to standardising this mode of communication and incorporating it into the advanced LTE ecosystem. This will give the advancement of D2D technologies and their acceptance by mobile operators more impetus. As specified in Release 12 and subsequent releases of 3GPP specifications, this paper presents a discussion and critical review of the key features of D2D communication.