3GPP TS 36.201 Evolved Universal Terrestrial Radio Access (E-UTRA); Physical Layer – General Description.
3GPP TS 38.201 NR; Physical Layer; General Description.
3GPP TS 38.211 NR; Physical Channels and Modulation.
3GPP TS 38.212 NR; Multiplexing and channel coding.
3GPP TS 38.213 NR; Physical layer procedures.
3GPP TS 38.321 NR; Medium Access Control (MAC) protocol specification