Recommended RACH parameters

Hello Experts.

What are the recommend values for RACH parameters?

Most important are:

  • RACH paramers:

    • Number of rach preambles (64)
    • Size of the rach preambles in group A
    • Preamble initial receive target power(-90to -120db)
    • Ramping step size(0,2,4,6)
    • MAC contention resolution timer
    • Preamble window size.
  • PRACH parameters

    • Preamble configuratiion index
    • Zero correlation zone
    • Root sequence index
    • Frequency offset
    • High speed flag bit.

Others can add/suggest

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