5G NR — Physical random-access channel in bullet points

Just being lazy here, I hope it is readable. Please let me know in case of any queries.

Preamble sequence generation

Preamble formats

Preamble transmission occasions mapping

RACH occasions mapping

RACH occasion, SSB, Preamble mapping for duration of 160ms

Mapping between SSB and RA preambles

Mapping between SSB and RA preambles

RRC IE/message for CB — RACH configuration

RRC IE/message for CF — RACH configuration

Log snippet for homework.

For ENDC and SI-based RACH, RRC message is not needed for msg-4, thus NO PDSCH, only uplink grant.