This white paper provides a technology deep dive into the architecture, protocols and physical layer of 5G NR V2X communications in line with 3GPP Release 16. The sidelink direct communication introduced with Release 16 provides a high degree of flexibility which enables future possibilities. NR V2X introduces three communications modes: broadcast, multicast and unicast, defines sophisticated physical channel and reference signal structures that cope with various automotive communications demands, and includes security aspects.
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