The wireless physical (PHY) layer has enabled successive generations of cellular systems through advances in modulation, coding, waveforms, and multiple-input multiple-output (MIMO) transmission. This article assesses whether these techniques are now approaching maturity and where substantial further gains remain possi...
M. Shafi, Chang-Long Xu, Xing-Qin Lin et al.· 0 citations
A unified technical perspective is provided on current standardization choices, their implementation tradeoffs, and the open challenges shaping network-grade sensing by connecting the evolving 3GPP architecture and radio studies across 5G-Advanced and 6G.
The emerging 3GPP 6G RAN architecture with emphasis on boundary selection is reviewed, which discusses central unit and distributed unit split enhancements, recognition of radio unit as a distinct logical unit, and the RAN-core network interface study, where point-to-point signaling is favored over service-based interf...
Xingqin Lin· arXiv.org· 0 citations
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