How many formats are supported with the PRACH sequence length of 139 in an NR system defined in 3GPP Release 15?

5G NR
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1

Hi Dear Experts.
How many formats are supported with the PRACH sequence length of 139 in an NR system defined in 3GPP Release 15?

2

Number of PRACH short formats.

3

9 short preamble formats a1-a3, b1-b4,c1-c2.

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