5G NR, 2nd Edition

Chapter 23: Sidelink Communication

Abstract

Sidelink communication, also referred to as direct device-to-device communication, implies communication directly between devices. Release 16 introduced support for sidelink communication with specific focus on the vehicle-to-vehicle communication. The chapter describes the current state of the NR sidelink specification.

Keywords

Sidelink communication; Device-to-device communication, D2D; Vehicular-to-vehicular communication, V2V; Vehicle-to-everything, V2X

The possibility for direct device-to-device (D2D) communication, that is, direct communication between devices, also referred to as sidelink communication, was first introduced for LTE as part of 3GPP release 12 [98]. Later releases then ...