https://studylib.net/doc/27657431/r1-240xxxx-fl-summary-%231-on-remaining-issues-for-prach-co...
3GPP PRACH Coverage Enhancements: Technical Specification
Technical specification summarizing PRACH coverage enhancements for 5G NR, focusing on power ramping counter and multiple PRACH transmissions.
coverage enhancements3gppprachtechnicalspecification